| Part | RoHS | Manufacturer | Resistor Type | Mounting Type | Resistance | Rated Power Dissipation (P) | Maximum Operating Temperature | Tolerance | Diameter (Lead) | Spacing (Lead) | Rated Temperature | No. of Functions | Technology | Shape (Package) | No. of Elements | Construction | Packing Method | Size Code | Network Type | No. of Terminals | Package Style (Meter) | Terminal Shape | Sub-Category | Dimensions | First Element Resistance | Minimum Operating Temperature | Temperature Coef (ppm/Cel) | Terminal Finish | Length (Lead) | Height (Package) | Manufacturer Series | Operating Voltage | Additional Features | Length (Package) | JESD-609 Code | Series | Diameter (Package) | Reference Standard | Width (Package) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
2000000 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
2050 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
2320 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
2430 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
2740 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
2870 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
3010 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
30100 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
3400 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
34800 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
383000 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
4020 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
4750 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
TR, 7.5 INCH |
2 |
Axial |
WIRE |
-65 Cel |
100 |
TIN LEAD |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
|||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
4750000 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
4990 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
4990000 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
511000 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
68100 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
6980 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
750 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
82500 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
90900 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
9090000 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
9090000 ohm |
.25 W |
150 Cel |
1 % |
.64 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
250 V |
6.35 mm |
e0 |
2.29 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
100 ohm |
.5 W |
150 Cel |
1 % |
.81 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
350 V |
9.53 mm |
e0 |
3.51 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
150000 ohm |
1 W |
150 Cel |
1 % |
.81 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
500 V |
14.27 mm |
e0 |
4.83 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
182000 ohm |
1 W |
150 Cel |
1 % |
.81 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
500 V |
14.27 mm |
e0 |
4.83 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
182000 ohm |
1 W |
150 Cel |
1 % |
.81 mm |
70 Cel |
METAL FILM |
Tubular |
TR, 11.5 INCH |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
500 V |
14.27 mm |
e0 |
4.83 mm |
MIL-PRF-39017 |
|||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
182000 ohm |
1 W |
150 Cel |
1 % |
.81 mm |
70 Cel |
METAL FILM |
Tubular |
TR, 7.5 INCH |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
500 V |
14.27 mm |
e0 |
4.83 mm |
MIL-PRF-39017 |
|||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
221000 ohm |
1 W |
150 Cel |
1 % |
.81 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
500 V |
14.27 mm |
e0 |
4.83 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
221000 ohm |
1 W |
150 Cel |
1 % |
.81 mm |
70 Cel |
METAL FILM |
Tubular |
TR, 11.5 INCH |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
500 V |
14.27 mm |
e0 |
4.83 mm |
MIL-PRF-39017 |
|||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
221000 ohm |
1 W |
150 Cel |
1 % |
.81 mm |
70 Cel |
METAL FILM |
Tubular |
TR, 7.5 INCH |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
500 V |
14.27 mm |
e0 |
4.83 mm |
MIL-PRF-39017 |
|||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
221000 ohm |
1 W |
150 Cel |
1 % |
.81 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
500 V |
14.27 mm |
e0 |
4.83 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
221000 ohm |
1 W |
150 Cel |
1 % |
.81 mm |
70 Cel |
METAL FILM |
Tubular |
TR, 7.5 INCH |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
500 V |
14.27 mm |
e0 |
4.83 mm |
MIL-PRF-39017 |
|||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
221000 ohm |
1 W |
150 Cel |
1 % |
.81 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
500 V |
14.27 mm |
e0 |
4.83 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
221000 ohm |
1 W |
150 Cel |
1 % |
.81 mm |
70 Cel |
METAL FILM |
Tubular |
TR, 7.5 INCH |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
500 V |
14.27 mm |
e0 |
4.83 mm |
MIL-PRF-39017 |
|||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
59 ohm |
1 W |
150 Cel |
1 % |
.81 mm |
70 Cel |
METAL FILM |
Tubular |
BULK |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
38.1 mm |
500 V |
14.27 mm |
e0 |
4.83 mm |
MIL-PRF-39017 |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
6040 ohm |
1 W |
150 Cel |
1 % |
.81 mm |
70 Cel |
METAL FILM |
Tubular |
TR, 11.5 INCH |
2 |
Axial |
WIRE |
-65 Cel |
100 |
Tin/Lead (Sn/Pb) |
500 V |
14.27 mm |
e0 |
4.83 mm |
MIL-PRF-39017 |
|||||||||||||||||
|
|
Ohmite Manufacturing |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
10000000 ohm |
.75 W |
110 Cel |
1 % |
.508 mm |
25 Cel |
METAL GLAZE/THICK FILM |
TUBULAR PACKAGE |
Tubular |
2 |
Axial |
WIRE |
FIXED RESISTOR |
-55 Cel |
25 |
Tin/Silver/Copper (Sn96.0Ag3.5Cu0.5) |
38.1 mm |
2500 V |
PRECISION |
14.78 mm |
e1 |
4.19 mm |
||||||||||||||
|
|
Ohmite Manufacturing |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
100000000 ohm |
.75 W |
110 Cel |
1 % |
.508 mm |
25 Cel |
METAL GLAZE/THICK FILM |
TUBULAR PACKAGE |
Tubular |
2 |
Axial |
WIRE |
FIXED RESISTOR |
-55 Cel |
50 |
Tin/Silver/Copper (Sn96.0Ag3.5Cu0.5) |
38.1 mm |
2500 V |
PRECISION |
14.78 mm |
e1 |
4.19 mm |
||||||||||||||
|
|
ROHM |
FIXED RESISTOR |
SURFACE MOUNT |
10 ohm |
.063 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR, PAPER, 7 INCH |
0402 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
TIN OVER NICKEL |
.35 mm |
50 V |
1 mm |
e3 |
.5 mm |
|||||||||||||||
|
|
ROHM |
FIXED RESISTOR |
SURFACE MOUNT |
34000 ohm |
.063 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR, Paper, 7 Inch |
0402 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
TIN OVER NICKEL |
.35 mm |
50 V |
1 mm |
e3 |
.5 mm |
|||||||||||||||
|
|
ROHM |
FIXED RESISTOR |
SURFACE MOUNT |
39 ohm |
.063 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR, PAPER, 7 INCH |
0402 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
TIN OVER NICKEL |
.35 mm |
50 V |
1 mm |
e3 |
.5 mm |
|||||||||||||||
|
|
ROHM |
FIXED RESISTOR |
SURFACE MOUNT |
499 ohm |
.063 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR, Paper, 7 Inch |
0402 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
TIN OVER NICKEL |
.35 mm |
50 V |
1 mm |
e3 |
.5 mm |
|||||||||||||||
|
|
ROHM |
FIXED RESISTOR |
SURFACE MOUNT |
49900 ohm |
.063 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR, Paper, 7 Inch |
0402 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
TIN OVER NICKEL |
.35 mm |
50 V |
1 mm |
e3 |
.5 mm |
|||||||||||||||
|
|
ROHM |
FIXED RESISTOR |
SURFACE MOUNT |
49.9 ohm |
.063 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR, Paper, 7 Inch |
0402 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
TIN OVER NICKEL |
.35 mm |
50 V |
1 mm |
e3 |
.5 mm |
|||||||||||||||
|
|
Yageo |
FIXED RESISTOR |
SURFACE MOUNT |
1.82 ohm |
.0625 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, PAPER, 7 INCH |
0402 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
200 |
Matte Tin (Sn) - with Nickel (Ni) barrier |
.35 mm |
50 V |
LASER TRIMMABLE |
1 mm |
e3 |
.5 mm |
|||||||||||||||
|
|
Yageo |
FIXED RESISTOR |
SURFACE MOUNT |
1.87 ohm |
.0625 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, PAPER, 7 INCH |
0402 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
200 |
Matte Tin (Sn) - with Nickel (Ni) barrier |
.35 mm |
50 V |
LASER TRIMMABLE |
1 mm |
e3 |
.5 mm |
Fixed resistors are passive electronic components that are used to resist the flow of electric current in a circuit. They have a fixed value of resistance, meaning their resistance cannot be adjusted once they are manufactured. They are commonly used to set the bias of transistors, control the gain of amplifiers, or limit the current flowing through an LED. Fixed resistors come in various sizes, power ratings, and tolerances.
There are two types of fixed resistors: through-hole and surface mount. Through-hole resistors have leads that are inserted into holes on the printed circuit board (PCB), while surface mount resistors have terminals that are soldered directly to the surface of the PCB. Through-hole resistors are larger and easier to work with, but surface mount resistors are smaller and more suitable for miniaturized electronic devices.
Fixed resistors can be made from a variety of materials, including carbon, metal, and wire-wound. Carbon resistors are inexpensive and widely used, but they have a lower tolerance and are more susceptible to noise than other types. Metal film resistors have a higher tolerance and better stability, making them ideal for use in precision circuits. Wire-wound resistors have a higher power rating and are used in high power applications, such as power supplies and amplifiers.