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) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
5 ohm |
50 W |
5 % |
WIRE WOUND |
RECTANGULAR PACKAGE |
BULK, TRAY |
2 |
LUG |
72.5mm x 30mm x 17mm |
50 |
RATED AC VOLTAGE (V): 1250 |
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|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
47 ohm |
50 W |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
LUG |
FIXED RESISTOR |
72.5mm x 17mm x 30mm |
50 |
17 mm |
1250 V |
RATED POWER WITH HEATSINK: 50 |
51 mm |
30 mm |
|||||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
50 ohm |
50 W |
5 % |
WIRE WOUND |
RECTANGULAR PACKAGE |
BULK, TRAY |
2 |
LUG |
72.5mm x 17mm x 30mm |
50 |
1250 V |
|||||||||||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
33 ohm |
50 W |
200 Cel |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
2 |
LUG |
100 |
1250 V |
FREE AIR POWER: 14W |
||||||||||||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
2200 ohm |
50 W |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
LUG |
72.5mm x 30mm x 17mm |
30 |
17 mm |
1250 V |
RATED POWER DISSIPATED USING HEAT SINK: 50W, RATED AC VOLTAGE (V): 1250 |
51 mm |
30 mm |
||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
4.7 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 |
|||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
3.3 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 |
|||||||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
220 ohm |
50 W |
250 Cel |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
LUG |
72.5mm x 30mm x 17mm |
30 |
17 mm |
1250 V |
51 mm |
30 mm |
||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
100 ohm |
50 W |
150 Cel |
5 % |
5.08 mm |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TUBE |
2 |
TO-220 |
FLAT |
FIXED RESISTOR |
-55 Cel |
150 |
MATTE TIN |
12.7 mm |
16.2 mm |
500 V |
FREE AIR POWER : 2.5W, NON INDUCTIVE |
10.4 mm |
e3 |
3.2 mm |
||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
8000 ohm |
50 W |
250 Cel |
1 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
BULK |
2 |
LUG |
-55 Cel |
20 |
Nickel/Palladium/Gold (Ni/Pd/Au) |
e4 |
||||||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
47 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 |
13.7 mm |
15 mm |
500 V |
FREE AIR POWER: 2.25W |
10.1 mm |
4.5 mm |
|||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
250 ohm |
50 W |
200 Cel |
1 % |
25 Cel |
WIRE WOUND |
Aluminum Housing |
2 |
Chassis Mount |
LUG |
100 |
14.8 mm |
1250 V |
FREE AIR POWER: 14W |
49.1 mm |
28 mm |
||||||||||||||||||||
|
Yageo |
FIXED RESISTOR |
.28 ohm |
50 W |
250 Cel |
1 % |
WIRE WOUND |
Aluminum Housing |
Bulk |
2 |
Chassis Mount |
Fixed Resistors |
-55 Cel |
10 mm |
15.5 mm |
2000 V |
50 mm |
AHA |
29 mm |
||||||||||||||||||||
|
Caddock Electronics |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
3.3 ohm |
50 W |
150 Cel |
1 % |
5.08 mm |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TUBE |
2 |
Radial |
FLAT |
FIXED RESISTOR |
-55 Cel |
-20,80 |
MATTE TIN OVER NICKEL |
12.7 mm |
16.26 mm |
300 V |
FREE AIR POWER : 2.25W |
10.41 mm |
e3 |
3.18 mm |
||||||||||||
|
Caddock Electronics |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
33 ohm |
50 W |
150 Cel |
1 % |
5.08 mm |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TUBE |
2 |
Radial |
FLAT |
FIXED RESISTOR |
-55 Cel |
-20,50 |
MATTE TIN OVER NICKEL |
12.7 mm |
16.26 mm |
300 V |
FREE AIR POWER : 2.25W |
10.41 mm |
e3 |
3.18 mm |
||||||||||||
|
Caddock Electronics |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
330 ohm |
50 W |
150 Cel |
1 % |
5.08 mm |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TUBE |
2 |
Radial |
FLAT |
FIXED RESISTOR |
-55 Cel |
-20,50 |
MATTE TIN OVER NICKEL |
12.7 mm |
16.26 mm |
300 V |
FREE AIR POWER : 2.25W |
10.41 mm |
e3 |
3.18 mm |
||||||||||||
Stackpole Electronics |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
3 ohm |
50 W |
150 Cel |
1 % |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
BULK |
2 |
TO-220 |
FLAT |
-65 Cel |
200 |
16.26 mm |
350 V |
FREE AIR POWER: 3W |
10.41 mm |
3.18 mm |
|||||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
15 ohm |
50 W |
150 Cel |
1 % |
25 Cel |
WIRE WOUND |
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 |
15 ohm |
50 W |
200 Cel |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
RECTANGULAR PACKAGE |
2 |
Chassis Mount |
LUG |
100 |
14.8 mm |
1250 V |
FREE AIR POWER: 14W |
49.1 mm |
28 mm |
|||||||||||||||||||
|
Tt Electronics Plc |
FIXED RESISTOR |
CHASSIS MOUNT |
30 ohm |
50 W |
200 Cel |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK |
2 |
Chassis Mount |
LUG |
FIXED RESISTOR |
-55 Cel |
50 |
Tin/Silver/Copper (Sn/Ag/Cu) |
16 mm |
1250 V |
RATED AC VOLTAGE (V): 1250 |
51 mm |
e1 |
30 mm |
||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
2500 ohm |
50 W |
200 Cel |
1 % |
25 Cel |
WIRE WOUND |
Aluminum Housing |
2 |
Chassis Mount |
LUG |
25 |
14.8 mm |
1250 V |
FREE AIR POWER: 14W |
49.1 mm |
28 mm |
||||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
2.2 ohm |
50 W |
150 Cel |
5 % |
5.08 mm |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TUBE |
2 |
TO-220 |
FLAT |
FIXED RESISTOR |
-55 Cel |
150 |
MATTE TIN |
12.7 mm |
16.2 mm |
500 V |
FREE AIR POWER : 2.5W, NON INDUCTIVE |
10.4 mm |
e3 |
3.2 mm |
||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
2.2 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 |
|||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
16 ohm |
50 W |
200 Cel |
1 % |
25 Cel |
WIRE WOUND |
Aluminum Housing |
2 |
Chassis Mount |
LUG |
100 |
14.8 mm |
1250 V |
FREE AIR POWER: 14W |
49.1 mm |
28 mm |
||||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
470 ohm |
50 W |
125 Cel |
5 % |
25 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
BULK |
2 |
Chassis Mount |
LUG |
Fixed Resistors |
-55 Cel |
150 |
Matte Tin (Sn) |
9 mm |
FREE AIR POWER: 5.5W |
47.8 mm |
e3 |
15.5 mm |
||||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
.5 ohm |
50 W |
5 % |
WIRE WOUND |
RECTANGULAR PACKAGE |
BULK, TRAY |
2 |
LUG |
72.5mm x 17mm x 30mm |
50 |
1250 V |
|||||||||||||||||||||||||
|
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 |
||||||||||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
1000 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 |
||||||||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
20 ohm |
50 W |
200 Cel |
1 % |
25 Cel |
WIRE WOUND |
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 |
20 ohm |
50 W |
200 Cel |
5 % |
25 Cel |
WIRE WOUND |
Aluminum Housing |
2 |
Chassis Mount |
LUG |
100 |
Silver (Ag) |
14.8 mm |
1250 V |
FREE AIR POWER: 14W |
49.1 mm |
e4 |
28 mm |
||||||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
15000 ohm |
50 W |
3 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
LUG |
72.5mm x 30mm x 17mm |
30 |
17 mm |
1250 V |
RATED AC VOLTAGE (V): 1250 |
51 mm |
30 mm |
||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
30 ohm |
50 W |
150 Cel |
5 % |
5.08 mm |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TUBE |
2 |
TO-220 |
FLAT |
FIXED RESISTOR |
-55 Cel |
150 |
Matte Tin (Sn) |
12.7 mm |
16.2 mm |
500 V |
FREE AIR POWER : 2.5W, NON INDUCTIVE |
10.4 mm |
e3 |
3.2 mm |
||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
10 ohm |
50 W |
250 Cel |
1 % |
25 Cel |
WIRE WOUND |
Aluminum Housing |
BULK |
2 |
Chassis Mount |
LUG |
-55 Cel |
20 |
Tin/Lead (Sn60Pb40) - with Nickel (Ni) barrier |
15.49 mm |
FREE AIR POWER: 20W |
49.99 mm |
e0 |
16 mm |
||||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
560 ohm |
50 W |
200 Cel |
5 % |
25 Cel |
WIRE WOUND |
Aluminum Housing |
2 |
Chassis Mount |
LUG |
100 |
14.8 mm |
1250 V |
STANDARD: MIL-PRF-18546 |
49.1 mm |
28 mm |
||||||||||||||||||||
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
1 ohm |
50 W |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
LUG |
72.5mm x 30mm x 17mm |
50 |
17 mm |
1250 V |
RATED POWER DISSIPATED USING HEAT SINK: 50W, RATED AC VOLTAGE (V): 1250 |
51 mm |
30 mm |
||||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
15000 ohm |
50 W |
350 Cel |
5 % |
25 Cel |
WIRE WOUND |
TUBULAR PACKAGE |
Tubular |
2 |
Chassis Mount |
LUG |
Fixed Resistors |
260 |
TIN SILVER COPPER |
1625 V |
FLAME PROOF |
101.6 mm |
e1 |
14.3 mm |
|||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
250000 ohm |
50 W |
350 Cel |
5 % |
25 Cel |
WIRE WOUND |
TUBULAR PACKAGE |
Tubular |
2 |
Chassis Mount |
LUG |
Fixed Resistors |
260 |
TIN SILVER COPPER |
1625 V |
FLAME PROOF |
101.6 mm |
e1 |
14.3 mm |
|||||||||||||||||
|
Caddock Electronics |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
2 ohm |
50 W |
150 Cel |
1 % |
5.08 mm |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TUBE |
2 |
Radial |
FLAT |
FIXED RESISTOR |
-55 Cel |
-20,80 |
MATTE TIN OVER NICKEL |
12.7 mm |
16.26 mm |
300 V |
FREE AIR POWER : 2.25W |
10.41 mm |
e3 |
3.18 mm |
||||||||||||
|
Caddock Electronics |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
200 ohm |
50 W |
150 Cel |
1 % |
5.08 mm |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TUBE |
2 |
Radial |
FLAT |
FIXED RESISTOR |
-55 Cel |
-20,50 |
MATTE TIN OVER NICKEL |
12.7 mm |
16.26 mm |
300 V |
FREE AIR POWER : 2.25W |
10.41 mm |
e3 |
3.18 mm |
||||||||||||
|
Caddock Electronics |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
20 ohm |
50 W |
150 Cel |
1 % |
5.08 mm |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TUBE |
2 |
Radial |
FLAT |
FIXED RESISTOR |
-55 Cel |
-20,50 |
MATTE TIN OVER NICKEL |
12.7 mm |
16.26 mm |
300 V |
FREE AIR POWER : 2.25W |
10.41 mm |
e3 |
3.18 mm |
||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
3.3 ohm |
50 W |
250 Cel |
1 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
BULK |
2 |
LUG |
-55 Cel |
50 |
Nickel/Palladium/Gold (Ni/Pd/Au) |
NON-INDUCTIVE |
e4 |
|||||||||||||||||||||
|
Riedon |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
2.7 ohm |
50 W |
175 Cel |
1 % |
5.08 mm |
25 Cel |
THIN FILM |
Rectangular |
2 |
TO-220 |
FLAT |
-55 Cel |
100 |
Tin (Sn) |
15.5 mm |
15 mm |
500 V |
FREE AIR POWER : 1W |
10.1 mm |
e3 |
4.5 mm |
|||||||||||||||
|
Bourns |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
1000 ohm |
50 W |
150 Cel |
5 % |
.72 mm |
5.08 mm |
25 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
Tube |
2 |
Radial |
WIRE |
-55 Cel |
100 |
12.7 mm |
16.26 mm |
250 V |
FREE AIR POWER : 2.25W |
10.41 mm |
3.18 mm |
|||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
10 ohm |
50 W |
125 Cel |
5 % |
25 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
BULK |
2 |
Chassis Mount |
LUG |
Fixed Resistors |
-55 Cel |
150 |
Matte Tin (Sn) |
9 mm |
FREE AIR POWER: 5.5W |
47.8 mm |
e3 |
15.5 mm |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
3.3 ohm |
50 W |
250 Cel |
1 % |
25 Cel |
WIRE WOUND |
Rectangular |
BULK |
2 |
Chassis Mount |
LUG |
-55 Cel |
50 |
Matte Tin (Sn) |
15.49 mm |
12.8452 V |
49.99 mm |
e3 |
28.96 mm |
|||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
3.3 ohm |
50 W |
275 Cel |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK |
2 |
Chassis Mount |
LUG |
FIXED RESISTOR |
-55 Cel |
100 |
Tin/Silver/Copper (Sn/Ag/Cu) |
15 mm |
FREE AIR POWER: 12W, RATED AC VOLTAGE (V): 1285 |
50 mm |
e1 |
14 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 |
1 ohm |
50 W |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
LUG |
FIXED RESISTOR |
72.5mm x 17mm x 30mm |
50 |
17 mm |
1250 V |
RATED AC VOLTAGE (V): 1250 |
51 mm |
30 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.