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) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Stackpole Electronics |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
2 W |
275 Cel |
5 % |
70 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
TR, PLASTIC, 13 INCH |
4124 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
20 |
Matte Tin (Sn) |
4.57 mm |
4.899 V |
10.41 mm |
e3 |
6.1 mm |
|||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
12 ohm |
50 W |
155 Cel |
5 % |
50 Cel |
WIRE WOUND |
TUBULAR PACKAGE |
BULK, BOX |
2 |
LUG |
146mm x 28mm x 61mm |
-55 Cel |
440 |
FLAME PROOF |
||||||||||||||||||||||
|
Panasonic |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
.063 W |
155 Cel |
.5 % |
85 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR, PUNCHED, 7 INCH |
0402 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
MATTE TIN OVER NICKEL |
.35 mm |
50 V |
IEC60115-8 |
1 mm |
e3 |
AEC-Q200 |
.5 mm |
|||||||||||||
|
Yageo |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
12 ohm |
7 W |
275 Cel |
5 % |
.8 mm |
40 Cel |
WIRE WOUND |
CYLINDRICAL PACKAGE |
Tubular |
AMMO PACK |
2 |
Axial |
WIRE |
Fixed Resistors |
-40 Cel |
300 |
Matte Tin (Sn) |
9.1652 V |
FLAME PROOF |
24.5 mm |
e3 |
8.2 mm |
||||||||||||||
|
Tt Electronics Plc |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
12 ohm |
2 W |
200 Cel |
5 % |
.8 mm |
25 Cel |
WIRE WOUND |
TUBULAR PACKAGE |
Tubular |
AMMO PACK |
2 |
Axial |
WIRE |
Fixed Resistors |
-55 Cel |
200 |
Tin (Sn) - hot dipped |
19.8 mm |
50 V |
FALME PROOF |
9 mm |
e3 |
3.6 mm |
|||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
.1 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, PAPER, 10 INCH |
0603 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
MATTE TIN OVER NICKEL |
.45 mm |
75 V |
RATED AC COLTAGE(V): 75 |
1.6 mm |
e3 |
.8 mm |
|||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
2 W |
155 Cel |
1 % |
70 Cel |
THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
2512 |
2 |
SMT |
WRAPAROUND |
6.35mm x 3.2mm x .55mm |
-55 Cel |
100 |
.55 mm |
500 V |
6.35 mm |
AEC-Q200 |
3.2 mm |
|||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
12 ohm |
16 W |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
LUG |
36.5mm x 21mm x 11mm |
50 |
11 mm |
265 V |
RATED POWER DISSIPATED USING HEAT SINK: 16W, RATED AC VOLTAGE (V): 265 |
21 mm |
21 mm |
||||||||||||||||||
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
12 ohm |
12 W |
350 Cel |
5 % |
25 Cel |
WIRE WOUND |
TUBULAR PACKAGE |
2 |
LUG |
400 |
Tin/Lead (Sn/Pb) |
270 |
565 V |
FLAMEPROOF |
e0 |
||||||||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
12 ohm |
12 W |
350 Cel |
5 % |
25 Cel |
WIRE WOUND |
TUBULAR PACKAGE |
Tubular |
2 |
Chassis Mount |
LUG |
Fixed Resistors |
400 |
TIN SILVER COPPER |
565 V |
44.4 mm |
e1 |
7.94 mm |
||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
12 ohm |
50 W |
155 Cel |
5 % |
.8 mm |
5.08 mm |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TUBE |
2 |
Radial |
WIRE |
-55 Cel |
150 |
Tin/Copper/Silver (Sn/Cu/Ag) |
13.7 mm |
15 mm |
500 V |
FREE AIR POWER: 2.25W |
10.1 mm |
4.5 mm |
|||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
12 ohm |
1500 W |
155 Cel |
5 % |
WIRE WOUND |
TUBULAR PACKAGE |
BULK, BOX |
2 |
LUG |
465mm x 60mm x 119mm |
-55 Cel |
440 |
2500 V |
|||||||||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
12 ohm |
100 W |
175 Cel |
5 % |
25 Cel |
RECTANGULAR PACKAGE |
2 |
FLAT |
-65 Cel |
100 |
700 V |
NON INDUCTIVE, FREE AIR POWER: 3.5W |
||||||||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
.1 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, PAPER, 11.25 INCH |
0603 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
MATTE TIN OVER NICKEL |
.45 mm |
75 V |
LASER TRIMMABLE, RATED AC VOLTAGE (V): 75 |
1.55 mm |
e3 |
AEC-Q200 |
.85 mm |
||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
.1 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, PAPER, 13 INCH |
0603 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
MATTE TIN OVER NICKEL |
.45 mm |
75 V |
LASER TRIMMABLE, RATED AC VOLTAGE (V): 75 |
1.55 mm |
e3 |
AEC-Q200 |
.85 mm |
||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
12 ohm |
.1 W |
155 Cel |
1 % |
METAL GLAZE/THICK FILM |
Chip |
TR, Paper, 7 Inch |
0603 |
2 |
SMT |
Fixed Resistors |
-55 Cel |
100 |
TIN OVER NICKEL |
.45 mm |
75 V |
1.55 mm |
e3 |
CRCW-BCE3 |
.85 mm |
|||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
.75 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR, PAPER, 7 INCH |
1206 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
MATTE TIN OVER NICKEL |
.5 mm |
200 V |
RATED AC VOLTAGE: 200V |
3.1 mm |
e3 |
AEC-Q200 |
1.6 mm |
|||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
12 ohm |
100 W |
200 Cel |
5 % |
25 Cel |
WIRE WOUND |
Aluminum Housing |
2 |
Chassis Mount |
LUG |
100 |
24.1 mm |
1900 V |
65.2 mm |
47.5 mm |
|||||||||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
12 ohm |
25 W |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
LUG |
51mm x 28mm x 15mm |
50 |
15 mm |
500 V |
RATED AC VOLTAGE (V): 550, FREE AIR POWER: 12.5W |
29 mm |
28 mm |
||||||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
12 ohm |
200 W |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
STUD |
143mm x 73mm x 42mm |
50 |
42 mm |
1900 V |
RATED AC VOLTAGE (V): 1900 |
90 mm |
73 mm |
||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
12 ohm |
25 W |
250 Cel |
1 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK |
2 |
Chassis Mount |
LUG |
FIXED RESISTOR |
-55 Cel |
20 |
Nickel/Palladium/Gold (Ni/Pd/Au) |
11.13 mm |
13.87 mm |
26.97 mm |
e4 |
MIL-PRF-18546 |
27.43 mm |
||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
12 ohm |
200 W |
155 Cel |
5 % |
WIRE WOUND |
TUBULAR PACKAGE |
BULK, BOX |
2 |
LUG |
239mm x 40mm x 81mm |
-55 Cel |
440 |
||||||||||||||||||||||||
|
Tt Electronics Plc |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
12 ohm |
10.5 W |
200 Cel |
5 % |
.8 mm |
25 Cel |
WIRE WOUND |
TUBULAR PACKAGE |
Tubular |
BULK |
2 |
Axial |
WIRE |
-55 Cel |
200 |
TIN SILVER COPPER OVER NICKEL |
30 mm |
500 V |
38 mm |
8 mm |
||||||||||||||||
|
Stackpole Electronics |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
12 ohm |
2 W |
275 Cel |
5 % |
.8 mm |
70 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Tubular |
BULK |
2 |
Axial |
WIRE |
-55 Cel |
200 |
MATTE TIN |
25.4 mm |
6.4 mm |
250 V |
FLAME PROOF |
18 mm |
e3 |
6.4 mm |
|||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
12 ohm |
50 W |
200 Cel |
1 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Aluminum Housing |
2 |
Chassis Mount |
LUG |
100 |
14.8 mm |
1250 V |
FREE AIR POWER: 14W |
49.1 mm |
28 mm |
|||||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
12 ohm |
50 W |
200 Cel |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
RECTANGULAR PACKAGE |
2 |
Chassis Mount |
LUG |
100 |
14.8 mm |
1250 V |
STANDARD: MIL-PRF-18546, FREE AIR POWER: 14W |
49.1 mm |
28 mm |
|||||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
12 ohm |
2 W |
220 Cel |
10 % |
70 Cel |
CERAMIC COMPOSITION |
TUBULAR PACKAGE |
Tubular |
TR, 13 INCH |
2 |
Axial |
WIRE |
FIXED RESISTOR |
-40 Cel |
-1300,300 |
TIN COPPER |
400 V |
22.5 mm |
e2 |
7 mm |
||||||||||||||||
|
Yageo |
FIXED RESISTOR |
12 ohm |
3 W |
200 Cel |
5 % |
.8 mm |
WIRE WOUND |
CYLINDRICAL PACKAGE |
Cylindrical |
TR |
2 |
Axial |
Fixed Resistors |
-40 Cel |
35 mm |
PNP |
300 V |
11.5 mm |
PNP |
4.5 mm |
||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
12 ohm |
1 W |
200 Cel |
5 % |
.58 mm |
70 Cel |
METAL FILM |
TUBULAR PACKAGE |
Tubular |
TR |
2 |
Axial |
WIRE |
FIXED RESISTOR |
-55 Cel |
250 |
MATTE TIN |
350 V |
6.5 mm |
e3 |
2.5 mm |
AEC-Q200 |
||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
12 ohm |
20 W |
250 Cel |
5 % |
42 mm |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK, BOX |
2 |
Radial |
SNAP-IN |
FIXED RESISTOR |
60mm x 15mm x 13mm |
-55 Cel |
300 |
13 mm |
60 mm |
15 mm |
|||||||||||||||||
|
Stackpole Electronics |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
12 ohm |
10 W |
275 Cel |
1 % |
.91 mm |
7.59 mm |
70 Cel |
WIRE WOUND |
Rectangular |
BULK |
2 |
Radial |
WIRE |
-55 Cel |
20 |
3.51 mm |
34.9 mm |
700 V |
FLAMEPROOF |
16.1 mm |
12.19 mm |
|||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
1.5 W |
155 Cel |
5 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, EMBOSSED, 7 INCH |
2512 |
2 |
SMT |
WRAPAROUND |
FIXED RESISTOR |
-55 Cel |
100 |
MATTE TIN OVER NICKEL |
.55 mm |
500 V |
6.35 mm |
e3 |
3.1 mm |
|||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
12 ohm |
20 W |
275 Cel |
5 % |
47.5 mm |
40 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Fireproof |
BULK |
2 |
Radial |
SNAP-IN |
Fixed Resistors |
-65 Cel |
300 |
Tin/Lead (Sn/Pb) |
12.7 mm |
CPR |
FLAME PROOF |
63.45 mm |
e0 |
CPR |
12.7 mm |
|||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
.1 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, PAPER, 7 INCH |
0603 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier |
.45 mm |
75 V |
LASER TRIMMABLE, RATED AC VOLTAGE (V): 75 |
1.55 mm |
e0 |
AEC-Q200 |
.85 mm |
|||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
.1 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, PAPER, 13 INCH |
0603 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier |
.45 mm |
75 V |
LASER TRIMMABLE, RATED AC VOLTAGE (V): 75 |
1.55 mm |
e0 |
AEC-Q200 |
.85 mm |
|||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
.25 W |
1 % |
THICK FILM |
RECTANGULAR PACKAGE |
TR |
1206 |
2 |
WRAPAROUND |
3.1mm x 1.55mm x .55mm |
200 |
200 V |
||||||||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
1.5 W |
155 Cel |
5 % |
25 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, 7 INCH |
0603 |
2 |
SMT |
WRAPAROUND |
-65 Cel |
150 |
.46 mm |
4.2426 V |
1.6 mm |
.81 mm |
||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
1.5 W |
155 Cel |
5 % |
25 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, 7 INCH |
0603 |
2 |
SMT |
WRAPAROUND |
-65 Cel |
150 |
.46 mm |
4.2426 V |
1.6 mm |
.81 mm |
||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
1.5 W |
155 Cel |
5 % |
25 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TRAY |
0603 |
2 |
SMT |
WRAPAROUND |
-65 Cel |
150 |
.46 mm |
4.2426 V |
1.6 mm |
.81 mm |
||||||||||||||||||
|
Tt Electronics Plc |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
12 ohm |
3 W |
200 Cel |
5 % |
.8 mm |
25 Cel |
WIRE WOUND |
TUBULAR PACKAGE |
Tubular |
AMMO PACK |
2 |
Axial |
WIRE |
-55 Cel |
200 |
TIN SILVER COPPER OVER NICKEL |
100 V |
12.7 mm |
5.6 mm |
|||||||||||||||||
|
Tt Electronics Plc |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
12 ohm |
7 W |
200 Cel |
5 % |
.8 mm |
25 Cel |
WIRE WOUND |
TUBULAR PACKAGE |
Tubular |
TR |
2 |
Axial |
WIRE |
-55 Cel |
200 |
TIN SILVER COPPER OVER NICKEL |
200 V |
22 mm |
8 mm |
|||||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
.125 W |
155 Cel |
1 % |
70 Cel |
THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0805 |
2 |
SMT |
WRAPAROUND |
2mm x 1.25mm x .55mm |
-55 Cel |
200 |
MATTE TIN OVER NICKEL |
.55 mm |
150 V |
LASER TRIMMABLE |
2 mm |
e3 |
1.25 mm |
|||||||||||||
|
Panasonic |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
.5 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR, PUNCHED |
0805 |
2 |
SMT |
WRAPAROUND |
FIXED RESISTOR |
-55 Cel |
200 |
MATTE TIN OVER NICKEL |
.65 mm |
150 V |
2 mm |
e3 |
1.25 mm |
||||||||||||||
|
Koa Speer Electronics |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
1 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR, EMBOSSED PLASTIC, 7 INCH |
2512 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
MATTE TIN OVER NICKEL |
.6 mm |
200 V |
PRECISION |
6.3 mm |
e3 |
AEC-Q200 |
3.1 mm |
|||||||||||||
|
Yageo |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
.25 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, PAPER, 7 INCH |
1206 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
Matte Tin (Sn) - with Nickel (Ni) barrier |
.55 mm |
200 V |
LASER TRIMMABLE |
3.1 mm |
e3 |
AEC-Q200 |
1.6 mm |
||||||||||||||
|
Yageo |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
.125 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, PAPER, 7 INCH |
0805 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
Matte Tin (Sn) - with Nickel (Ni) barrier |
.5 mm |
150 V |
LASER TRIMMABLE |
2 mm |
e3 |
AEC-Q200 |
1.25 mm |
||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
1 W |
155 Cel |
5 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, BLISTER, 7 INCH |
2512 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
200 |
MATTE TIN OVER NICKEL |
.6 mm |
500 V |
LASER TRIMMABLE, RATED AC VOLTAGE (V): 500 |
6.3 mm |
e3 |
AEC-Q200 |
3.15 mm |
||||||||||||||
|
Yageo |
FIXED RESISTOR |
SURFACE MOUNT |
12 ohm |
.0625 W |
155 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, PAPER, 7 INCH |
0402 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
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.