Resistors (results: 2443)

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Resistance
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Operating temperature (range)
Number of resistors
Resistor type
Terminal pitch
Carbon film resistor; 200R Carbon film resistor; 200R; 5%; 0.125W; 0204; body dimensions: 1,8x3,2mm; leads dimensions: 0,45x28mm
CF 1/8W 200R J RoHS || Carbon film resistor; 200R Rys.REZ0204
Manufacturer:
TCO
Manufacturer part number:
CF 1/8W 200R J RoHS
Case style:
Rys.REZ0204
Datasheet
In stock:
7397 pcs.
Quantity of pieces 50+ 200+ 1000+ 5000+ 30000+
Net price (EUR) 0,0147 0,0058 0,0028 0,0021 0,0018
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Packaging:
5000/30000
Quantity (multiple 50)
200 Ohm 125mW 1,8x3,2mm 0,45x28mm 5% THT
Metal film resistor; 100kR Metal film resistor; MELF; SMD; 0207; 100kR; 1W; 1%; body dimensions: 2,2x5,7mm; operating temperature: -55°C ~125°C
MFM 1W 100KR 1% RoHS || Metal film resistor; 100kR Rys.rez.MELF
Manufacturer:
TCO
Manufacturer part number:
MFM 1W 100KR 1% RoHS
Case style:
Rys.rez.MELF
 
In stock:
1300 pcs.
Quantity of pieces 5+ 20+ 100+ 500+ 1900+
Net price (EUR) 0,1895 0,0897 0,0502 0,0380 0,0345
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Packaging:
1900
Quantity (multiple 1)
100 kOhm 1W 2,2x5,7mm 300V 1% SMD -55°C ~ 125°C
Thick film chip resistor smd; 0603; 2.2R; Thick film chip resistor smd; 0603; 2.2R; 1%; 0.1W; operating temperature: -55°C~125°C
RC0603FR-072R2L RoHS || Thick film chip resistor smd; 0603; 2.2R; smd0603
Manufacturer:
THUNDER
Manufacturer part number:
RC0603FR-072R2L RoHS
Case style:
smd0603
 
In stock:
0 pcs.
Quantity of pieces 100+ 300+ 1000+ 5000+ 20000+
Net price (EUR) 0,0130 0,0059 0,0030 0,0018 0,0015
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Packaging:
5000/50000
Quantity (multiple 100)
2,2 Ohm 0,1W 0603 cal 1608 mm 1% SMD -55°C ~ 125°C
                                     
Item in delivery
Estimated time: 2025-07-01
Quantity of pieces: 50000
                               
Wire wound resistor; 33R Wire wound resistor; 33R; 5%; 10W; with heatsink; screwed; dimensions: 20x23x10.5mm
AH 10W 33R J RoHS || Wire wound resistor; 33R Rys.REZDr010WRad
Manufacturer:
TCO
Manufacturer part number:
AH 10W 33R J RoHS
Case style:
Rys.REZDr010WRad
 
In stock:
30 pcs.
Quantity of pieces 1+ 3+ 10+ 50+ 200+
Net price (EUR) 1,0552 0,7752 0,6221 0,5336 0,5025
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Packaging:
50
Quantity (multiple 1)
33 Ohm 10W 20x23x10.5mm 5% Screw Wire-wound
Metal oxide resistor; 82R Metal oxide resistor; 82R; 5%; 1W; 0309; 300V; 350ppm/°C; THT; body dimensions: 3,2x9mm; leads dimensions: 0,5x25mm
MOF 1WS 82R J RoHS || Metal oxide resistor; 82R Rys.REZ0309
Manufacturer:
TCO
Manufacturer part number:
MOF 1WS 82R J RoHS
Case style:
Rys.REZ0309
 
In stock:
129 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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Stock available
While the stock lasts
Packaging:
2000
Quantity (multiple 10)
82 Ohm 1W 3,2x9mm 350ppm/°C 0,5x25mm 300V 5% THT
Carbon film resistor; 22R Carbon film resistor; 22R; 5%; 0.25W; 0204; body dimensions: 1.8x3.2mm; leads dimensions: 0,45x28mm
CF 1/4WS 22R J RoHS || Carbon film resistor; 22R Rys.REZ0204
Manufacturer:
TCO
Manufacturer part number:
CF 1/4WS 22R J RoHS
Case style:
Rys.REZ0204
Datasheet
In stock:
6350 pcs.
Quantity of pieces 50+ 200+ 1000+ 5000+ 20000+
Net price (EUR) 0,0155 0,0061 0,0029 0,0021 0,0019
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Packaging:
5000/50000
Quantity (multiple 50)
22 Ohm 0,25W 1.8x3.2mm 0,45x28mm 5% THT
Resistor network; 47kR Resistor network; SIL; 9 pins; 8 resistors; 47kR 2%; 0.125W; 200ppm/°C; operating temperature: -55°C~155°C; max. working voltage: 100V
RNLA09G0473B0E RoHS || Resistor network; 47kR Rys23.1e
Manufacturer:
ROYAL OHM
Manufacturer part number:
RNLA09G0473B0E RoHS
Case style:
Rys23.1e
 
In stock:
140 pcs.
Quantity of pieces 3+ 10+ 50+ 200+ 800+
Net price (EUR) 0,3254 0,2125 0,1517 0,1326 0,1249
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Packaging:
200/800
Quantity (multiple 1)
47 kOhm 125mW 200ppm/°C 100V N/A 2% THT -55°C ~ 125°C 8
Carbon film resistor; 220R Carbon film resistor; 220R; 5%; 0.125W; 0204; body dimensions: 1,8x3,2mm; leads dimensions: 0,45x28mm
CF 1/8W 220R J RoHS || Carbon film resistor; 220R Rys.REZ0204
Manufacturer:
TCO
Manufacturer part number:
CF 1/8W 220R J RoHS
Case style:
Rys.REZ0204
Datasheet
In stock:
23595 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:
5000/100000
Quantity (multiple 50)
220 Ohm 125mW 1,8x3,2mm 0,45x28mm 5% THT
Thick film chip resistor; smd; 0805; 1.0R Thick film chip resistor; smd; 0805; 1.0R; 1%; 0.125W; operating temperature: -55°C~125°C
RC0805FR-07 1R RoHS || RC0805FR-071RL RoHS || Thick film chip resistor; smd; 0805; 1.0R smd0805
Manufacturer:
THUNDER
Manufacturer part number:
RC0805FR-07 1R RoHS
Case style:
smd0805
 
In stock:
100 pcs.
Quantity of pieces 50+ 200+ 1000+ 5000+ 20000+
Net price (EUR) 0,0258 0,0103 0,0050 0,0037 0,0033
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Packaging:
5000/50000
Quantity (multiple 10)
1 Ohm 125mW 0805 cal 2012 mm 1% SMD -55°C ~ 125°C
 
Manufacturer:
THUNDER
Manufacturer part number:
RC0805FR-071RL RoHS
Case style:
smd0805
 
In stock:
27500 pcs.
Quantity of pieces 50+ 200+ 1000+ 5000+ 20000+
Net price (EUR) 0,0258 0,0103 0,0050 0,0037 0,0033
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Packaging:
5000/50000
Quantity (multiple 10)
1 Ohm 125mW 0805 cal 2012 mm 1% SMD -55°C ~ 125°C
Thick film chip resistor smd; 0603; 2.2R; Thick film chip resistor smd; 0603; 2.2R; 5%; 0.1W; operating temperature: -55°C~125°C
RC0603JR-072R2L RoHS || Thick film chip resistor smd; 0603; 2.2R; smd0603
Manufacturer:
THUNDER
Manufacturer part number:
RC0603JR-072R2L RoHS
Case style:
smd0603
 
In stock:
15600 pcs.
Quantity of pieces 100+ 300+ 1000+ 5000+ 30000+
Net price (EUR) 0,0060 0,0026 0,0012 0,0007 0,0006
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Packaging:
5000/50000
Quantity (multiple 100)
2,2 Ohm 0,1W 0603 cal 1608 mm 5% SMD -55°C ~ 125°C
Thick film chip resistor; smd; 1206; 0.05R Thick film chip resistor; smd; 1206; 0.05R; 1%; 0.5W; operating temperature: -55°C~125°C
RL1206FR-07 0R05 RoHS || RL1206FR-7W0R05L RoHS || Thick film chip resistor; smd; 1206; 0.05R smd1206
Manufacturer:
THUNDER
Manufacturer part number:
RL1206FR-07 0R05 RoHS
Case style:
smd1206
Datasheet
In stock:
141 pcs.
Quantity of pieces 5+ 20+ 100+ 300+ 1000+
Net price (EUR) 0,2283 0,1144 0,0682 0,0565 0,0507
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Packaging:
5000
Quantity (multiple 1)
0,05 Ohm 0,5W 1206 cal 3216 mm 1% SMD -55°C ~ 125°C
 
Manufacturer:
THUNDER
Manufacturer part number:
RL1206FR-7W0R05L RoHS
Case style:
smd1206
Datasheet
In stock:
5000 pcs.
Quantity of pieces 5+ 20+ 100+ 300+ 1000+
Net price (EUR) 0,2283 0,1144 0,0682 0,0565 0,0507
Add to comparison tool
Packaging:
5000
Quantity (multiple 1)
0,05 Ohm 0,5W 1206 cal 3216 mm 1% SMD -55°C ~ 125°C
Metal film resistor; 4.7kR Metal film resistor; 4.7kR; 1%; 0.4W; 0204; 250V; THT; body dimensions: 1,9x3,7mm; leads dimensions: 0,45x28mm
MF0204FTE52-4K7 RoHS || Metal film resistor; 4.7kR Rys.REZ0204
Manufacturer:
YAGEO
Manufacturer part number:
MF0204FTE52-4K7 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)
4,7 kOhm 0,4W 1,9x3,7mm 0,45x28mm 250V 1% THT
Wire wound resistor; 47R Wire wound resistor; 47R; 5%; 10W; with heatsink; screwed; dimensions: 20x23x10.5mm
AH 10W 47R J RoHS || Wire wound resistor; 47R Rys.REZDr010WRad
Manufacturer:
TCO
Manufacturer part number:
AH 10W 47R J RoHS
Case style:
Rys.REZDr010WRad
 
In stock:
60 pcs.
Quantity of pieces 1+ 3+ 10+ 50+ 200+
Net price (EUR) 1,1652 0,8566 0,6867 0,5886 0,5551
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Packaging:
50
Quantity (multiple 1)
47 Ohm 10W 20x23x10.5mm 5% Screw Wire-wound
Carbon film resistor; 24R Carbon film resistor; 24R; 5%; 0.25W; 0207; body dimensions: 2,3x6,5mm; leads dimensions: 0,43x25mm
CF 1/4W 24R J RoHS || Carbon film resistor; 24R Rys.REZ0207
Manufacturer:
TCO
Manufacturer part number:
CF 1/4W 24R J RoHS
Case style:
Rys.REZ0207
Datasheet
In stock:
34298 pcs.
Quantity of pieces 50+ 200+ 1000+ 5000+ 20000+
Net price (EUR) 0,0157 0,0061 0,0030 0,0022 0,0020
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Packaging:
5000/50000
Quantity (multiple 50)
24 Ohm 0,25W 2,3x6,5mm 0,43x25mm 5% THT
Cement resistor; axial; 5.1R Cement resistor; axial type; 5.1R; 5%; 5W; THT; dimensions: 22x10x9mm
CR-L 5W 5% 5.1R RoHS || Cement resistor; axial; 5.1R Rys.REZCE5W
Manufacturer:
TCO
Manufacturer part number:
CR-L 5W 5% 5.1R RoHS
Case style:
Rys.REZCE5W
 
In stock:
255 pcs.
Quantity of pieces 5+ 10+ 70+ 500+ 3000+
Net price (EUR) 0,2067 0,1436 0,0691 0,0505 0,0459
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Packaging:
10/500/1500
Quantity (multiple 1)
5,1 Ohm 5W 22x10x9mm 5% THT
Carbon film resistor; 270R Carbon film resistor; 270R; 5%; 0.125W; 0204; body dimensions: 1,8x3,2mm; leads dimensions: 0,45x28mm
CF 1/8W 270R J RoHS || Carbon film resistor; 270R Rys.REZ0204
Manufacturer:
TCO
Manufacturer part number:
CF 1/8W 270R J RoHS
Case style:
Rys.REZ0204
Datasheet
In stock:
29900 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)
270 Ohm 125mW 1,8x3,2mm 0,45x28mm 5% THT
Cement resistor; axial; 5.6R Cement resistor; axial type; 5.6R; 5%; 5W; THT; dimensions: 22x10x9mm
CR-L 5.6R 5% 5W RoHS || Cement resistor; axial; 5.6R Rys.REZCE5W
Manufacturer:
TCO
Manufacturer part number:
CR-L 5.6R 5% 5W RoHS
Case style:
Rys.REZCE5W
 
In stock:
1890 pcs.
Quantity of pieces 5+ 10+ 70+ 500+ 2500+
Net price (EUR) 0,2067 0,1433 0,0689 0,0502 0,0459
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Packaging:
10/500/2500
Quantity (multiple 1)
5,6 Ohm 5W 22x10x9mm 5% THT
Metal film resistor; 5.1kR Metal film resistor; 5.1kR; 1%; 0.4W; 0204; 250V; THT; body dimensions: 1,9x3,7mm; leads dimensions: 0,45x28mm
MF0204FTE52-5K1 RoHS || Metal film resistor; 5.1kR Rys.REZ0204
Manufacturer:
YAGEO
Manufacturer part number:
MF0204FTE52-5K1 RoHS
Case style:
Rys.REZ0204
Datasheet
In stock:
2800 pcs.
Quantity of pieces 20+ 100+ 300+ 1000+ 3000+
Net price (EUR) 0,0636 0,0233 0,0142 0,0102 0,0088
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Stock available
While the stock lasts
Packaging:
3000
Quantity (multiple 10)
5,1 kOhm 0,4W 1,9x3,7mm 0,45x28mm 250V 1% THT
Fusible resistor; 1R Fusible resistor; 1R 5%; 1W; 0309; 250V; 200ppm/°C; THT; body dimensions: 3,2x9mm; leads dimensions 0,5x25mm
FRN 1WS 1R J RoHS || Fusible resistor; 1R Rys.REZ0309
Manufacturer:
TCO
Manufacturer part number:
FRN 1WS 1R J RoHS
Case style:
Rys.REZ0309
 
In stock:
550 pcs.
Quantity of pieces 10+ 50+ 300+ 2000+ 10000+
Net price (EUR) 0,0701 0,0270 0,0140 0,0107 0,0100
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Packaging:
2000
Quantity (multiple 10)
1 Ohm 1W 3,2x9mm 200ppm/°C 3.2x9.5mm 0,5x25mm 250V 5% THT
                                     
Item in delivery
Estimated time: 2025-07-01
Quantity of pieces: 6000
                               
Thick film chip resistor; smd; 0402; 27R Thick film chip resistor; smd; 0402; 27R; 1%; 0.063W; operating temperature: -55°C~125°C
RC0402FR-0727RL RoHS || Thick film chip resistor; smd; 0402; 27R smd0402
Manufacturer:
THUNDER
Manufacturer part number:
RC0402FR-0727RL RoHS
Case style:
smd0402
Datasheet
In stock:
29800 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)
27 Ohm 0,063W 0402 cal 1005 mm 1% SMD -55°C ~ 125°C
Carbon film resistor; 27R Carbon film resistor; 27R; 5%; 0.25W; 0207; body dimensions: 2,3x6,5mm; leads dimensions: 0,43x25mm
CF 1/4W 27R J RoHS || Carbon film resistor; 27R Rys.REZ0207
Manufacturer:
TCO
Manufacturer part number:
CF 1/4W 27R J RoHS
Case style:
Rys.REZ0207
Datasheet
In stock:
81395 pcs.
Quantity of pieces 50+ 200+ 1000+ 5000+ 20000+
Net price (EUR) 0,0157 0,0061 0,0030 0,0022 0,0020
Add to comparison tool
Packaging:
5000/50000
Quantity (multiple 50)
27 Ohm 0,25W 2,3x6,5mm 0,43x25mm 5% THT
Wire wound resistor; 68R Wire wound resistor; 68R; 5%; 10W; with heatsink; screwed; dimensions: 20x23x10.5mm
AH 10W 68R J RoHS || Wire wound resistor; 68R Rys.REZDr010WRad
Manufacturer:
TCO
Manufacturer part number:
AH 10W 68R J RoHS
Case style:
Rys.REZDr010WRad
 
In stock:
40 pcs.
Quantity of pieces 1+ 3+ 10+ 50+ 200+
Net price (EUR) 1,0552 0,7752 0,6221 0,5336 0,5025
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Packaging:
50
Quantity (multiple 1)
68 Ohm 10W 20x23x10.5mm 5% Screw Wire-wound
Thick film chip resistor; smd; 0805; 1.0R Thick film chip resistor; smd; 0805; 1.0R; 5%; 0.125W; operating temperature: -55°C~125°C
RC0805JR-07 1R RoHS || Thick film chip resistor; smd; 0805; 1.0R smd0805
Manufacturer:
THUNDER
Manufacturer part number:
RC0805JR-07 1R RoHS
Case style:
smd0805
 
In stock:
211200 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:
5000/50000/400000
Quantity (multiple 100)
1 Ohm 125mW 0805 cal 2012 mm 5% SMD -55°C ~ 125°C
Fusible resistor; 2.2R Fusible resistor; 2.2R; 5%; 1W; 0309; 250V; 200ppm/°C; THT; body dimensions: 3,2x9mm; leads dimensions 0,5x25mm
FRN 1WS 2.2R J RoHS || Fusible resistor; 2.2R Rys.REZ0309
Manufacturer:
TCO
Manufacturer part number:
FRN 1WS 2.2R J RoHS
Case style:
Rys.REZ0309
 
In stock:
1690 pcs.
Quantity of pieces 10+ 50+ 300+ 2000+ 10000+
Net price (EUR) 0,0701 0,0270 0,0140 0,0107 0,0100
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Packaging:
2000
Quantity (multiple 10)
2,2 Ohm 1W 3,2x9mm 200ppm/°C 3.2x9.5mm 0,5x25mm 250V 5% THT
Wire wound resistor; 100R Wire wound resistor; 100R; 5%; 10W; with heatsink; screwed; dimensions: 20x23x10.5mm
AH 10W 100R J RoHS || Wire wound resistor; 100R Rys.REZDr010WRad
Manufacturer:
TCO
Manufacturer part number:
AH 10W 100R J RoHS
Case style:
Rys.REZDr010WRad
 
In stock:
50 pcs.
Quantity of pieces 1+ 3+ 10+ 50+ 200+
Net price (EUR) 1,0552 0,7752 0,6221 0,5336 0,5025
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Packaging:
50
Quantity (multiple 1)
100 Ohm 10W 20x23x10.5mm 5% Screw Wire-wound
Resistor network; 100kR Resistor network; SIL; 9 pins; 8 resistors; 100kR; 2%; 1W; 100ppm/°C; operating temperature: -55°C~155°C; max. working voltage: 100V
RAA09104GFN RoHS || Resistor network; 100kR Rys23.1e
Manufacturer:
TCO
Manufacturer part number:
RAA09104GFN RoHS
Case style:
Rys23.1e
 
In stock:
1105 pcs.
Quantity of pieces 5+ 30+ 200+ 1000+ 5000+
Net price (EUR) 0,1909 0,0763 0,0443 0,0371 0,0347
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Packaging:
200/1000
Quantity (multiple 1)
100 kOhm 1W 100ppm/°C 100V N/A 2% THT -55°C ~ 125°C 8
Cement resistor; axial; 6.2R Cement resistor; axial type; 6.2R; 5%; 5W; THT; dimensions: 22x10x9mm
CR-L5W5% 6.2R RoHS || Cement resistor; axial; 6.2R Rys.REZCE5W
Manufacturer:
TCO
Manufacturer part number:
CR-L5W5% 6.2R RoHS
Case style:
Rys.REZCE5W
 
In stock:
1330 pcs.
Quantity of pieces 5+ 10+ 50+ 300+ 1500+
Net price (EUR) 0,2067 0,1431 0,0749 0,0519 0,0459
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Packaging:
10/300
Quantity (multiple 1)
6,2 Ohm 5W 22x10x9mm 5% THT
Metal oxide resistor; 150R Metal oxide resistor; 150R; 5%; 1W; 0309; 300V; 350ppm/°C; THT; body dimensions: 3,2x9mm; leads dimensions: 0,5x25mm
MOF 1WS 150R J RoHS || Metal oxide resistor; 150R Rys.REZ0309
Manufacturer:
TCO
Manufacturer part number:
MOF 1WS 150R J RoHS
Case style:
Rys.REZ0309
 
In stock:
4000 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)
150 Ohm 1W 3,2x9mm 350ppm/°C 0,5x25mm 300V 5% THT
Carbon film resistor; 27R Carbon film resistor; 27R; 5%; 0.25W; 0204; body dimensions: 1.8x3.2mm; leads dimensions: 0,45x28mm
CF1/4WS-27R RoHS || Carbon film resistor; 27R Rys.REZ0204
Manufacturer:
SR PASSIVES
Manufacturer part number:
CF1/4WS-27R RoHS
Case style:
Rys.REZ0204
 
In stock:
4300 pcs.
Quantity of pieces 50+ 100+ 300+ 1000+ 4300+
Net price (EUR) 0,0147 0,0089 0,0044 0,0026 0,0018
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Stock available
While the stock lasts
Packaging:
4300
Quantity (multiple 50)
27 Ohm 0,25W 1.8x3.2mm 0,45x28mm 5% THT
 
Manufacturer:
SR PASSIVES
Manufacturer part number:
CF1/4WS-27R RoHS
Case style:
Rys.REZ0204
 
In stock:
30000 pcs.
Quantity of pieces 50+ 100+ 300+ 1000+ 5000+
Net price (EUR) 0,0147 0,0089 0,0045 0,0026 0,0018
Add to comparison tool
Stock available
While the stock lasts
Packaging:
5000
Quantity (multiple 50)
27 Ohm 0,25W 1.8x3.2mm 0,45x28mm 5% THT
Thick film chip resistor; smd; 0805; 1.1R Thick film chip resistor; smd; 0805; 1.1R; 5%; 0.125W; operating temperature: -55°C~125°C
RC0805JR-07 1R1 RoHS || Thick film chip resistor; smd; 0805; 1.1R smd0805
Manufacturer:
TCO
Manufacturer part number:
RC0805JR-07 1R1 RoHS
Case style:
smd0805
 
In stock:
13000 pcs.
Quantity of pieces 100+ 300+ 1000+ 5000+ 30000+
Net price (EUR) 0,0077 0,0033 0,0016 0,0009 0,0008
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Packaging:
5000/50000
Quantity (multiple 100)
1,1 Ohm 125mW 0805 cal 2012 mm 5% SMD -55°C ~ 125°C
1    4  5  6  7  8  9  10  11  12    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.