Resistors (results: 2443)

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Resistance
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Body dimensions
Temperature coefficient
Dimensions
Leads dimensions
Max. operating voltage
Case
Case
Manufacturer
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Operating temperature (range)
Number of resistors
Resistor type
Terminal pitch
Metal oxide resistor; 390R Metal oxide resistor; 390R; 5%; 1W; 0309; 300V; 350ppm/°C; THT; body dimensions: 3,2x9mm; leads dimensions: 0,5x25mm
MOF 1WS 390R J RoHS || Metal oxide resistor; 390R Rys.REZ0309
Manufacturer:
TCO
Manufacturer part number:
MOF 1WS 390R J RoHS
Case style:
Rys.REZ0309
 
In stock:
6000 pcs.
Quantity of pieces 10+ 50+ 300+ 2000+ 8000+
Net price (EUR) 0,0641 0,0246 0,0128 0,0098 0,0092
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Packaging:
2000/8000
Quantity (multiple 10)
390 Ohm 1W 3,2x9mm 350ppm/°C 0,5x25mm 300V 5% THT
Wire wound resistor; 4.7kR Wire wound resistor; 4,7kR; 5%; 10W; with heatsink; screwed; dimensions: 20x23x10.5mm
AH 10W 4.7kR J RoHS || Wire wound resistor; 4.7kR Rys.REZDr010WRad
Manufacturer:
TCO
Manufacturer part number:
AH 10W 4.7kR J RoHS
Case style:
Rys.REZDr010WRad
 
In stock:
70 pcs.
Quantity of pieces 1+ 3+ 10+ 50+ 200+
Net price (EUR) 1,0553 0,7753 0,6221 0,5336 0,5025
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Packaging:
50
Quantity (multiple 1)
4,7 kOhm 10W 20x23x10.5mm 5% Screw Wire-wound
Resistor network; 4x47R Resistor network; 4x47R; 4xsmd0402; 5%; 63mW; 200ppm/°C; operating temperature: -55°C~155°C; max. working voltage: 50V
EXB28V470JX Pbf || Resistor network; 4x47R smd4x0402
Manufacturer:
Panasonic
Manufacturer part number:
EXB28V470JX Pbf
Case style:
smd4x0402
 
In stock:
24 pcs.
Quantity of pieces 5+ 24+ 120+ 600+ 3000+
Net price (EUR) 0,1737 0,0761 0,0445 0,0347 0,0316
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Stock available
While the stock lasts
Packaging:
24
Quantity (multiple 1)
47 Ohm 0,063W 200ppm/°C 50V N/A 5% SMD -55°C ~ 125°C 4
Resistor network; 4x0R Resistor network; 4x0R; 4xsmd0603(smd 1206); 5%; 1/16W; 200ppm/°C; operating temperature: -55°C~155°C; max. working voltage: 50V
YC164-JR-070RL RoHS || Resistor network; 4x0R smd4x0603
Manufacturer:
YAGEO
Manufacturer part number:
YC164-JR-070RL RoHS
Case style:
smd4x0603
Datasheet
In stock:
19900 pcs.
Quantity of pieces 20+ 150+ 1000+ 5000+ 20000+
Net price (EUR) 0,0414 0,0123 0,0069 0,0058 0,0055
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Packaging:
5000/50000/150000
Quantity (multiple 10)
0 Ohm 62,5mW 200ppm/°C 50V N/A 5% SMD -55°C ~ 125°C 4
Metal oxide resistor; 470R Metal oxide resistor; 470R; 5%; 1W; 0309; 300V; 350ppm/°C; THT; body dimensions: 3,2x9mm; leads dimensions: 0,5x25mm
MOF 1WS 470R J RoHS || Metal oxide resistor; 470R Rys.REZ0309
Manufacturer:
TCO
Manufacturer part number:
MOF 1WS 470R J RoHS
Case style:
Rys.REZ0309
 
In stock:
3976 pcs.
Quantity of pieces 10+ 50+ 300+ 2000+ 10000+
Net price (EUR) 0,0641 0,0246 0,0128 0,0098 0,0092
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Packaging:
2000
Quantity (multiple 10)
470 Ohm 1W 3,2x9mm 350ppm/°C 0,5x25mm 300V 5% THT
Thick film chip resistor; smd; 1206; 0.15R Thick film chip resistor; smd; 1206; 0.15R; 1%; 0.25W; operating temperature: -55°C~125°C
RC1206FR-07 0R15 RoHS || RC1206FR-070R15L RoHS || Thick film chip resistor; smd; 1206; 0.15R smd1206
Manufacturer:
THUNDER
Manufacturer part number:
RC1206FR-07 0R15 RoHS
Case style:
smd1206
Datasheet
In stock:
175 pcs.
Quantity of pieces 20+ 100+ 300+ 1000+ 5000+
Net price (EUR) 0,0512 0,0192 0,0120 0,0089 0,0074
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Packaging:
5000/50000
Quantity (multiple 10)
0,15 Ohm 0,25W 1206 cal 3216 mm 1% SMD -55°C ~ 125°C
 
Manufacturer:
THUNDER
Manufacturer part number:
RC1206FR-070R15L RoHS
Case style:
smd1206
Datasheet
In stock:
29680 pcs.
Quantity of pieces 20+ 100+ 300+ 1000+ 5000+
Net price (EUR) 0,0512 0,0189 0,0117 0,0085 0,0071
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Packaging:
5000
Quantity (multiple 10)
0,15 Ohm 0,25W 1206 cal 3216 mm 1% SMD -55°C ~ 125°C
Metal film resistor; 33kR Metal film resistor; 33kR; 1%; 0.4W; 0204; 250V; THT; body dimensions: 1,9x3,7mm; leads dimensions: 0,45x28mm
MF 0,4W 33kR F RoHS || MF 33kR 1% 0,4W RoHS || Metal film resistor; 33kR Rys.REZ0204
Manufacturer:
TCO
Manufacturer part number:
MF 0,4W 33kR F RoHS
Case style:
Rys.REZ0204
 
In stock:
10000 pcs.
Quantity of pieces 10+ 50+ 200+ 1000+ 5000+
Net price (EUR) 0,0646 0,0246 0,0142 0,0103 0,0092
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Packaging:
5000
Quantity (multiple 10)
33 kOhm 0,4W 1,9x3,7mm 0,45x28mm 250V 1% THT
 
Manufacturer:
TCO
Manufacturer part number:
MF 33kR 1% 0,4W RoHS
Case style:
Rys.REZ0204
 
In stock:
4480 pcs.
Quantity of pieces 10+ 50+ 200+ 1000+ 5000+
Net price (EUR) 0,0646 0,0246 0,0142 0,0103 0,0092
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Packaging:
5000
Quantity (multiple 10)
33 kOhm 0,4W 1,9x3,7mm 0,45x28mm 250V 1% THT
Thick film chip resistor; smd; 2512; 0.10R Thick film chip resistor; smd; 2512; 0.10R; 1%; 1W; operating temperature: -55°C~125°C
WSL2512R1000FEA RoHS || Thick film chip resistor; smd; 2512; 0.10R smd2512
Manufacturer:
Vishay
Manufacturer part number:
WSL2512R1000FEA RoHS
Case style:
smd2512
Datasheet
In stock:
460 pcs.
Quantity of pieces 3+ 20+ 100+ 500+ 2000+
Net price (EUR) 0,4092 0,2273 0,1795 0,1630 0,1577
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Packaging:
2000
Quantity (multiple 1)
0,1 Ohm 1W 2512 cal 6432 mm 1% SMD -55°C ~ 125°C
Cement resistor; axial; 22R Cement resistor; axial type; 22R; 5%; 5W; THT; dimensions: 22x10x9mm
CR-L 5W 5% 22R RoHS || Cement resistor; axial; 22R Rys.REZCE5W
Manufacturer:
TCO
Manufacturer part number:
CR-L 5W 5% 22R RoHS
Case style:
Rys.REZCE5W
 
In stock:
1080 pcs.
Quantity of pieces 5+ 10+ 70+ 500+ 3000+
Net price (EUR) 0,2067 0,1436 0,0692 0,0505 0,0459
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Packaging:
10/500/1500
Quantity (multiple 1)
22 Ohm 5W 22x10x9mm 5% THT
Carbon film resistor; 1.5kR Carbon film resistor; 1.5kR; 5%; 0.125W; 0204; body dimensions: 1,8x3,2mm; leads dimensions: 0,45x28mm
CF 1/8W 1.5kR J RoHS || Carbon film resistor; 1.5kR Rys.REZ0204
Manufacturer:
TCO
Manufacturer part number:
CF 1/8W 1.5kR J RoHS
Case style:
Rys.REZ0204
Datasheet
In stock:
43200 pcs.
Quantity of pieces 50+ 200+ 1000+ 5000+ 20000+
Net price (EUR) 0,0147 0,0058 0,0028 0,0020 0,0018
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Packaging:
5000/50000
Quantity (multiple 50)
1,5 kOhm 125mW 1,8x3,2mm 0,45x28mm 5% THT
Thick film chip resistor; smd; 0805; 1.8R Thick film chip resistor; smd; 0805; 1.8R; 5%; 0.125W; operating temperature: -55°C~125°C
RC0805JR-07 1R8 RoHS || Thick film chip resistor; smd; 0805; 1.8R smd0805
Manufacturer:
THUNDER
Manufacturer part number:
RC0805JR-07 1R8 RoHS
Case style:
smd0805
 
In stock:
8260 pcs.
Quantity of pieces 100+ 300+ 1000+ 5000+ 25000+
Net price (EUR) 0,0097 0,0043 0,0022 0,0013 0,0011
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Packaging:
5000/50000
Quantity (multiple 100)
1,8 Ohm 125mW 0805 cal 2012 mm 5% SMD -55°C ~ 125°C
Thick film chip resistor; smd; 0402; 49.9R Thick film chip resistor; smd; 0402; 49.9R; 1%; 0.063W; operating temperature: -55°C~125°C
RC0402FR-0749R9L RoHS || Thick film chip resistor; smd; 0402; 49.9R smd0402
Manufacturer:
THUNDER
Manufacturer part number:
RC0402FR-0749R9L RoHS
Case style:
smd0402
Datasheet
In stock:
62120 pcs.
Quantity of pieces 200+ 1000+ 4000+ 10000+ 50000+
Net price (EUR) 0,0049 0,0014 0,0006 0,0005 0,0004
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Packaging:
10000/50000
Quantity (multiple 100)
49,9 Ohm 0,063W 0402 cal 1005 mm 1% SMD -55°C ~ 125°C
Metal oxide resistor; 510R Metal oxide resistor; 510R; 5%; 1W; 0309; 300V; 350ppm/°C; THT; body dimensions: 3,2x9mm; leads dimensions: 0,5x25mm
MOF 1WS 510R J RoHS || Metal oxide resistor; 510R Rys.REZ0309
Manufacturer:
TCO
Manufacturer part number:
MOF 1WS 510R J RoHS
Case style:
Rys.REZ0309
 
In stock:
7950 pcs.
Quantity of pieces 10+ 50+ 300+ 2000+ 10000+
Net price (EUR) 0,0641 0,0246 0,0128 0,0098 0,0092
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Packaging:
2000
Quantity (multiple 10)
510 Ohm 1W 3,2x9mm 350ppm/°C 0,5x25mm 300V 5% THT
Carbon film resistor; 68R Carbon film resistor; 68R; 5%; 0.25W; 0207; body dimensions: 2,3x6,5mm; leads dimensions: 0,43x25mm
CF 1/4W 68R J RoHS || Carbon film resistor; 68R Rys.REZ0207
Manufacturer:
TCO
Manufacturer part number:
CF 1/4W 68R J RoHS
Case style:
Rys.REZ0207
Datasheet
In stock:
32840 pcs.
Quantity of pieces 50+ 200+ 1000+ 5000+ 20000+
Net price (EUR) 0,0157 0,0062 0,0030 0,0022 0,0020
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Packaging:
5000
Quantity (multiple 50)
68 Ohm 0,25W 2,3x6,5mm 0,43x25mm 5% THT
Cement resistor; radial; 22R Cement resistor; radial type; 22R; 5%; 5W; THT; dimensions: 25x13x9mm
CR-M 22R 5W 5% RoHS || Cement resistor; radial; 22R Rys.REZCE5Wv
Manufacturer:
TCO
Manufacturer part number:
CR-M 22R 5W 5% RoHS
Case style:
Rys.REZCE5Wv
 
In stock:
2520 pcs.
Quantity of pieces 5+ 40+ 250+ 1000+ 5000+
Net price (EUR) 0,2304 0,0823 0,0517 0,0447 0,0419
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Packaging:
250
Quantity (multiple 1)
22 Ohm 5W 25x13x9mm 5% THT
Thick film chip resistor; smd; 2512; 0.10R Thick film chip resistor; smd; 2512; 0.10R; 5%; 1W; operating temperature: -55°C~125°C
RC2512JK-070R1L RoHS || Thick film chip resistor; smd; 2512; 0.10R smd2512
Manufacturer:
THUNDER
Manufacturer part number:
RC2512JK-070R1L RoHS
Case style:
smd2512
 
In stock:
11880 pcs.
Quantity of pieces 5+ 30+ 200+ 1000+ 4000+
Net price (EUR) 0,1287 0,0491 0,0278 0,0228 0,0215
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Packaging:
4000/20000
Quantity (multiple 1)
0,1 Ohm 1W 2512 cal 6432 mm 5% SMD -55°C ~ 125°C
Thick film chip resistor; smd; 0805; 2.0R Thick film chip resistor; smd; 0805; 2.0R; 1%; 0.125W; operating temperature: -55°C~125°C
RC0805FR-07 2R RoHS || Thick film chip resistor; smd; 0805; 2.0R smd0805
Manufacturer:
THUNDER
Manufacturer part number:
RC0805FR-07 2R RoHS
Case style:
smd0805
Datasheet
In stock:
8145 pcs.
Quantity of pieces 100+ 300+ 1000+ 5000+ 20000+
Net price (EUR) 0,0122 0,0055 0,0028 0,0017 0,0014
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Packaging:
5000/50000
Quantity (multiple 100)
2 Ohm 125mW 0805 cal 2012 mm 1% SMD -55°C ~ 125°C
Thick film chip resistor; smd; 1206; 0.18R Thick film chip resistor; smd; 1206; 0.18R; 1%; 0.25W; operating temperature: -55°C~125°C
RC1206FR-070R18L RoHS || Thick film chip resistor; smd; 1206; 0.18R smd1206
Manufacturer:
THUNDER
Manufacturer part number:
RC1206FR-070R18L RoHS
Case style:
smd1206
Datasheet
In stock:
10000 pcs.
Quantity of pieces 20+ 150+ 1000+ 5000+ 10000+
Net price (EUR) 0,0512 0,0157 0,0087 0,0073 0,0071
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Packaging:
5000/10000
Quantity (multiple 10)
0,18 Ohm 0,25W 1206 cal 3216 mm 1% SMD -55°C ~ 125°C
Metal oxide resistor; 680R Metal oxide resistor; 680R; 5%; 1W; 0309; 300V; 350ppm/°C; THT; body dimensions: 3,2x9mm; leads dimensions: 0,5x25mm
MOF 1WS 680R J RoHS || Metal oxide resistor; 680R Rys.REZ0309
Manufacturer:
TCO
Manufacturer part number:
MOF 1WS 680R J RoHS
Case style:
Rys.REZ0309
 
In stock:
11800 pcs.
Quantity of pieces 10+ 50+ 300+ 2000+ 10000+
Net price (EUR) 0,0641 0,0246 0,0128 0,0098 0,0092
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Packaging:
2000/20000
Quantity (multiple 10)
680 Ohm 1W 3,2x9mm 350ppm/°C 0,5x25mm 300V 5% THT
                                     
Item in delivery
Estimated time: 2025-07-01
Quantity of pieces: 10000
                               
Thick film chip resistor; smd; 2512; 0.10R Thick film chip resistor; smd; 2512; 0.10R; 5%; 2W; operating temperature: -55°C~125°C
RL2512JR-07 0R1 RoHS || Thick film chip resistor; smd; 2512; 0.10R smd2512
Manufacturer:
THUNDER
Manufacturer part number:
RL2512JR-07 0R1 RoHS
Case style:
smd2512
Datasheet
In stock:
15 pcs.
Quantity of pieces 5+ 30+ 200+ 1000+ 4000+
Net price (EUR) 0,2304 0,0919 0,0534 0,0445 0,0419
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Stock available
While the stock lasts
Packaging:
4000
Quantity (multiple 1)
0,1 Ohm 2,0W 2512 cal 6432 mm 5% SMD -55°C ~ 125°C
SMM02040C887FB300 Vishay Resistor High precision resistor coated type minimelf; SMD; 0204; 887kR; 0.25W; 1%; 50ppm/°C; body dimensions: 1,4x3,6mm; operating temperature: -55°C ~125°C
SMM02040C887FB300RoHS || SMM02040C887FB300 Vishay Resistor Rys.minimelf0204
Manufacturer:
Vishay
Manufacturer part number:
SMM02040C887FB300RoHS
Case style:
Rys.minimelf0204
Datasheet
In stock:
10000 pcs.
Quantity of pieces 10+ 50+ 400+ 3000+ 12000+
Net price (EUR) 0,0637 0,0244 0,0120 0,0095 0,0091
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Stock available
While the stock lasts
Packaging:
3000/15000
Quantity (multiple 10)
887kOhm 0,25W 1,4x3,6mm 50ppm/°C 200V VISHAY 1% SMD -55°C ~ 125°C
Cement resistor; axial; 27R Cement resistor; axial type; 27R; 5%; 5W; THT; dimensions: 22x10x9mm
CR-L 5W 5% 27R RoHS || Cement resistor; axial; 27R Rys.REZCE5W
Manufacturer:
TCO
Manufacturer part number:
CR-L 5W 5% 27R RoHS
Case style:
Rys.REZCE5W
 
In stock:
400 pcs.
Quantity of pieces 5+ 10+ 70+ 500+ 3000+
Net price (EUR) 0,2067 0,1436 0,0692 0,0505 0,0459
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Packaging:
10/500
Quantity (multiple 1)
27 Ohm 5W 22x10x9mm 5% THT
Resistor network; 4x22R Resistor network; 4x22R; 4xsmd0603(smd 1206); 5%; 1/16W; 200ppm/°C; operating temperature: -55°C~155°C; max. working voltage: 50V
YC164JR-07 22RL RoHS || Resistor network; 4x22R smd4x0603
Manufacturer:
THUNDER
Manufacturer part number:
YC164JR-07 22RL RoHS
Case style:
smd4x0603
 
In stock:
640 pcs.
Quantity of pieces 20+ 150+ 1000+ 5000+ 20000+
Net price (EUR) 0,0400 0,0120 0,0067 0,0056 0,0053
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Packaging:
5000/50000
Quantity (multiple 10)
22 Ohm 62,5mW 200ppm/°C 50V N/A 5% SMD -55°C ~ 125°C 4
 
Manufacturer:
YAGEO
Manufacturer part number:
YC164JR-07 22RL RoHS
Case style:
smd4x0603
Datasheet
In stock:
3000 pcs.
Quantity of pieces 20+ 150+ 1000+ 5000+ 20000+
Net price (EUR) 0,0414 0,0123 0,0069 0,0058 0,0055
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Packaging:
5000/50000
Quantity (multiple 10)
22 Ohm 62,5mW 200ppm/°C 50V N/A 5% SMD -55°C ~ 125°C 4
Thick film chip resistor; SMD; 1210; 0,62R Thick film chip resistor; SMD; 1210; 0,62R; 1%; 1W; operating temperature: -55°C~155°C
RL1210FR-07 0R62 RoHS || Thick film chip resistor; SMD; 1210; 0,62R smd1210
Manufacturer:
THUNDER
Manufacturer part number:
RL1210FR-07 0R62 RoHS
Case style:
smd1210
Datasheet
In stock:
2800 pcs.
Quantity of pieces 10+ 50+ 200+ 1000+ 5000+
Net price (EUR) 0,0663 0,0254 0,0146 0,0106 0,0095
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Stock available
While the stock lasts
Packaging:
5000
Quantity (multiple 10)
0,620 Ohm 1W 1% -55°C ~ 155°C
Thick film chip resistor smd; 0603; 5.6R; Thick film chip resistor smd; 0603; 5.6R; 5%; 0.1W; operating temperature: -55°C~125°C
RC0603JR-07 5R6 RoHS || Thick film chip resistor smd; 0603; 5.6R; smd0603
Manufacturer:
THUNDER
Manufacturer part number:
RC0603JR-07 5R6 RoHS
Case style:
smd0603
 
In stock:
9900 pcs.
Quantity of pieces 100+ 300+ 1000+ 5000+ 30000+
Net price (EUR) 0,0081 0,0035 0,0017 0,0010 0,0008
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Packaging:
5000/50000
Quantity (multiple 100)
5,6 Ohm 0,1W 0603 cal 1608 mm 5% SMD -55°C ~ 125°C
Carbon film resistor; 1.8kR Carbon film resistor; 1.8kR; 5%; 0.125W; 0204; body dimensions: 1,8x3,2mm; leads dimensions: 0,45x28mm
CF 1/8W 1.8kR J RoHS || Carbon film resistor; 1.8kR Rys.REZ0204
Manufacturer:
TCO
Manufacturer part number:
CF 1/8W 1.8kR J RoHS
Case style:
Rys.REZ0204
Datasheet
In stock:
12900 pcs.
Quantity of pieces 50+ 200+ 1000+ 5000+ 30000+
Net price (EUR) 0,0147 0,0058 0,0028 0,0021 0,0018
Add to comparison tool
Packaging:
5000/30000
Quantity (multiple 50)
1,8 kOhm 125mW 1,8x3,2mm 0,45x28mm 5% THT
Thick film chip resistor; smd; 1206; 0.20R Thick film chip resistor; smd; 1206; 0.20R; 1%; 0.25W; operating temperature: -55°C~125°C
RC1206FR-07 0R2 RoHS || Thick film chip resistor; smd; 1206; 0.20R smd1206
Manufacturer:
THUNDER
Manufacturer part number:
RC1206FR-07 0R2 RoHS
Case style:
smd1206
Datasheet
In stock:
1900 pcs.
Quantity of pieces 20+ 100+ 300+ 1000+ 5000+
Net price (EUR) 0,0512 0,0189 0,0117 0,0085 0,0071
Add to comparison tool
Packaging:
5000/50000
Quantity (multiple 10)
0,2 Ohm 0,25W 1206 cal 3216 mm 1% SMD -55°C ~ 125°C
                                     
Item in delivery
Estimated time: 2025-07-01
Quantity of pieces: 5000
                               
Carbon film resistor; 75R Carbon film resistor; 75R; 5%; 0.25W; 0207; body dimensions: 2,3x6,5mm; leads dimensions: 0,43x25mm
CF 1/4W 75R J RoHS || Carbon film resistor; 75R Rys.REZ0207
Manufacturer:
TCO
Manufacturer part number:
CF 1/4W 75R J RoHS
Case style:
Rys.REZ0207
Datasheet
In stock:
31835 pcs.
Quantity of pieces 50+ 200+ 1000+ 5000+ 20000+
Net price (EUR) 0,0157 0,0062 0,0030 0,0022 0,0020
Add to comparison tool
Packaging:
5000/50000
Quantity (multiple 50)
75 Ohm 0,25W 2,3x6,5mm 0,43x25mm 5% THT
Metal oxide resistor; 1kR Metal oxide resistor; 1kR; 5%; 1W; 0309; 300V; 350ppm/°C; THT; body dimensions: 3,2x9mm; leads dimensions: 0,5x25mm
MOF 1WS 1kR J RoHS || Metal oxide resistor; 1kR Rys.REZ0309
Manufacturer:
TCO
Manufacturer part number:
MOF 1WS 1kR J RoHS
Case style:
Rys.REZ0309
 
In stock:
12400 pcs.
Quantity of pieces 10+ 50+ 300+ 2000+ 10000+
Net price (EUR) 0,0641 0,0246 0,0128 0,0098 0,0092
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Packaging:
2000/30000
Quantity (multiple 10)
1,0 kOhm 1W 3,2x9mm 350ppm/°C 0,5x25mm 300V 5% THT
Wire wound resistor; 0.22R Wire wound resistor; 0.22R; 5%; 25W; with heatsink; screwed; dimensions: 28x27x14mm
AH 25W 0.22R J RoHS || Wire wound resistor; 0.22R Rys.REZdr25W
Manufacturer:
TCO
Manufacturer part number:
AH 25W 0.22R J RoHS
Case style:
Rys.REZdr25W
 
In stock:
56 pcs.
Quantity of pieces 1+ 3+ 10+ 40+ 200+
Net price (EUR) 1,6032 1,2778 1,0935 0,9930 0,9428
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Packaging:
40
Quantity (multiple 1)
220 mOhm 25W 28x27x14mm 5% Screw Wire-wound
1    7  8  9  10  11  12  13  14  15    82

Resistors - their functions and parameters

Resistors play a key role in electrical circuits. Firstly, they provide protection, and secondly, are responsible for various functionalities of devices. In our offer, single resistors as well as sets of them can be found. We have products made of various materials. However one thing connects them all, that is the quality, which is guaranteed by the reputation of a manufacturer. Now, let's focus on what resistors are and what they are used for. What are the colours of resistors and what do they mean? This and many more questions will be addressed in the text below. 

What is a resistor?

Basically, resistors are really diverse devices which are distinguished by their construction and parameters. Nevertheless, the task of a resistor is always to limit the flow of the current, that is decreasing the electrical current and voltage. It is worth noting that when it comes to resistors, their application, as a rule, applies to limiting the current and not stopping it completely. However, some resistors in relevant conditions can in fact lead to termination of the current flow in an electrical circuit. 

Classic resistor consist of a resistive material and an insulating layer. Key role in a flow regulation plays of course the resistive material which is mostly responsible for individual parameters of a resistor. What materials are responsible for the resistance? That could be carbon, some kinds of metal, rarely special foil. In our offer you will find resistors with every kind of a resistive material. We offer qualitative wirewound models from, among others, Bochen company, as well as carbon models from TCO company and many more. 

Although the general function that resistor serves in the electrical circuit is always the same, precise actions are various. As a potentiometer it can be used to slightly limit or increase the power in order to e.g. turn down the volume of a television or radio. However as a LED resistor, it can be used to regulate the light intensity, and also prevents the diode from damage caused by too high electrical current and voltage.

How to choose a resistor according to their colours?

We briefly explained what resistor is used for, however the question is how to choose the appropriate one according to the given application?  The key aspect is to learn about parameters of the device. This is the base on which one has to choose a resistor. We offer a wide selection of resistors with diverse parameters in order to meet the expectations of every customer. However we do realise that this may cause problems when it comes to the selection of a relevant device. It is worth noticing here that there are different colours of resistors. More specifically, not of the whole devices but bands that appear on them. The number of bands ranges from 3 to 6, depending on the type of a resistor. Colours of resistors correspond to their values:

  • Resistance
  • Multiplication
  • Tolerance
  • Temperature coefficient of resistance

The most important indicator is without a doubt the resistance. It defines what resistance against the current a given electronic or electrical resistor has. Both too low or too high electrical current and voltage are a problem. When it's too low, the device is not able to function properly. In case of too high values on the other hand, the resistor may be damaged or may result in a malfunction of the device where it is mounted. Choosing an individual device or a set of resistors, one has to take into consideration the tolerance, that is the highest possible deviation of the real value of resistance from the nominal value. Another parameter is the temperature coefficient of resistance, referring to resistance changes affected by the temperature change.

What are the symbols of resistors?

When it comes to resistors, they have both schematic symbols and letter codes. In schematic symbols, the resistor is referred to as a horizontally placed rectangle with two horizontal lines coming from the centre of the left and right side. On the other hand, the code letter for the resistor is “R”. It is worth pointing out that symbols of resistors are always the same, regardless of the parameters and type of a resistor. Should you have any doubts, we encourage you to contact us. We will eagerly help to choose an optimal resistor.