| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
Panasonic |
FIXED RESISTOR |
SURFACE MOUNT |
.002 ohm |
1 W |
170 Cel |
1 % |
70 Cel |
METAL STRIP |
RECTANGULAR PACKAGE |
Rectangular |
TR, Embossed, 7 Inch |
2512 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
150 |
Tin (Sn) |
.8 mm |
HIGH PRECISION |
6.4 mm |
e3 |
3.2 mm |
|||||||||||||||
|
|
Panasonic |
FIXED RESISTOR |
SURFACE MOUNT |
.004 ohm |
1 W |
170 Cel |
1 % |
70 Cel |
METAL STRIP |
RECTANGULAR PACKAGE |
Rectangular |
TR, Embossed, 7 Inch |
2512 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
150 |
Tin (Sn) |
.8 mm |
HIGH PRECISION |
6.4 mm |
e3 |
3.2 mm |
|||||||||||||||
|
|
Yageo |
FIXED RESISTOR |
SURFACE MOUNT |
10000 ohm |
.125 W |
125 Cel |
5 % |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Aluminum Oxide |
TR, PAPER, 7 INCH |
0805 |
2 |
SMT |
WRAPAROUND |
Fixed Resistors |
-55 Cel |
200 |
Matte Tin (Sn) - with Nickel (Ni) barrier |
.55 mm |
150 V |
2 mm |
e3 |
1.25 mm |
|||||||||||||||
|
|
Yageo |
FIXED RESISTOR |
SURFACE MOUNT |
100000 ohm |
.125 W |
125 Cel |
5 % |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Aluminum Oxide |
TR, PAPER, 7 INCH |
0805 |
2 |
SMT |
WRAPAROUND |
Fixed Resistors |
-55 Cel |
200 |
Matte Tin (Sn) - with Nickel (Ni) barrier |
.55 mm |
150 V |
2 mm |
e3 |
9C08052A |
1.25 mm |
||||||||||||||
|
|
Ohmite Manufacturing |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
10000 ohm |
.125 W |
155 Cel |
5 % |
.51 mm |
70 Cel |
CARBON FILM |
TUBULAR PACKAGE |
Cylindrical |
TR |
2 |
Axial |
WIRE |
Fixed Resistors |
450 |
Matte Tin (Sn) |
28 mm |
200 V |
3.5 mm |
e3 |
1.85 mm |
|||||||||||||||
|
|
Ohmite Manufacturing |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
620 ohm |
.25 W |
155 Cel |
5 % |
.65 mm |
70 Cel |
CARBON FILM |
TUBULAR PACKAGE |
Cylindrical |
TR |
2 |
Axial |
WIRE |
Fixed Resistors |
450 |
Matte Tin (Sn) |
28 mm |
250 V |
6.8 mm |
e3 |
2.5 mm |
|||||||||||||||
|
|
Ohmite Manufacturing |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
62000 ohm |
.5 W |
155 Cel |
5 % |
.65 mm |
70 Cel |
CARBON FILM |
TUBULAR PACKAGE |
Cylindrical |
TR |
2 |
Axial |
WIRE |
Fixed Resistors |
450 |
Matte Tin (Sn) |
28 mm |
350 V |
9 mm |
e3 |
3 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
15 ohm |
100 W |
125 Cel |
10 % |
THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
SCREW |
Fixed Resistors |
38mm x 25.5mm x 21mm |
-55 Cel |
150 |
15.5 mm |
500 V |
37.8 mm |
25.4 mm |
|||||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
1000 ohm |
100 W |
125 Cel |
10 % |
THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
SCREW |
Fixed Resistors |
38mm x 25.5mm x 21mm |
-55 Cel |
150 |
15.5 mm |
500 V |
37.8 mm |
25.4 mm |
|||||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
22 ohm |
100 W |
125 Cel |
10 % |
THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
SCREW |
Fixed Resistors |
38mm x 25.5mm x 21mm |
-55 Cel |
150 |
15.5 mm |
500 V |
37.8 mm |
25.4 mm |
|||||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
2.2 ohm |
100 W |
125 Cel |
10 % |
THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
SCREW |
Fixed Resistors |
38mm x 25.5mm x 21mm |
-55 Cel |
150 |
15.5 mm |
500 V |
37.8 mm |
25.4 mm |
|||||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
470 ohm |
100 W |
125 Cel |
10 % |
THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
SCREW |
Fixed Resistors |
38mm x 25.5mm x 21mm |
-55 Cel |
150 |
15.5 mm |
500 V |
37.8 mm |
25.4 mm |
|||||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
47 ohm |
100 W |
125 Cel |
10 % |
THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
SCREW |
Fixed Resistors |
38mm x 25.5mm x 21mm |
-55 Cel |
150 |
15.5 mm |
500 V |
37.8 mm |
25.4 mm |
|||||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
4.7 ohm |
100 W |
125 Cel |
10 % |
THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
SCREW |
Fixed Resistors |
38mm x 25.5mm x 21mm |
-55 Cel |
150 |
15.5 mm |
500 V |
37.8 mm |
25.4 mm |
|||||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
680 ohm |
100 W |
125 Cel |
10 % |
THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
SCREW |
Fixed Resistors |
38mm x 25.5mm x 21mm |
-55 Cel |
150 |
15.5 mm |
500 V |
37.8 mm |
25.4 mm |
|||||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
11500 ohm |
.063 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0402 |
2 |
SMT |
WRAPAROUND |
1mm x .5mm x .3mm |
-55 Cel |
25 |
.3 mm |
25 V |
PRECISION |
1 mm |
.5 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
52300 ohm |
.063 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0603 |
2 |
SMT |
WRAPAROUND |
1.55mm x .8mm x .45mm |
-55 Cel |
25 |
.45 mm |
50 V |
PRECISION |
1.55 mm |
.8 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
54900 ohm |
.063 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0603 |
2 |
SMT |
WRAPAROUND |
1.55mm x .8mm x .45mm |
-55 Cel |
25 |
.45 mm |
50 V |
PRECISION |
1.55 mm |
.8 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
9310 ohm |
.063 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0603 |
2 |
SMT |
WRAPAROUND |
1.55mm x .8mm x .45mm |
-55 Cel |
25 |
.45 mm |
50 V |
PRECISION |
1.55 mm |
.8 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
130 ohm |
.1 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0805 |
2 |
SMT |
WRAPAROUND |
2mm x 1.25mm x .5mm |
-55 Cel |
25 |
.55 mm |
100 V |
PRECISION |
2 mm |
1.25 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
13300 ohm |
.1 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0805 |
2 |
SMT |
WRAPAROUND |
2mm x 1.25mm x .5mm |
-55 Cel |
25 |
.55 mm |
100 V |
PRECISION |
2 mm |
1.25 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
15.4 ohm |
.1 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0805 |
2 |
SMT |
WRAPAROUND |
2mm x 1.25mm x .5mm |
-55 Cel |
25 |
.55 mm |
100 V |
PRECISION |
2 mm |
1.25 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
15.8 ohm |
.1 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0805 |
2 |
SMT |
WRAPAROUND |
2mm x 1.25mm x .5mm |
-55 Cel |
25 |
.55 mm |
100 V |
PRECISION |
2 mm |
1.25 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
17800 ohm |
.1 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0805 |
2 |
SMT |
WRAPAROUND |
2mm x 1.25mm x .5mm |
-55 Cel |
25 |
.55 mm |
100 V |
PRECISION |
2 mm |
1.25 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
1130 ohm |
.1 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0805 |
2 |
SMT |
WRAPAROUND |
2mm x 1.25mm x .5mm |
-55 Cel |
25 |
.55 mm |
100 V |
PRECISION |
2 mm |
1.25 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
348 ohm |
.1 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0805 |
2 |
SMT |
WRAPAROUND |
2mm x 1.25mm x .5mm |
-55 Cel |
25 |
.55 mm |
100 V |
PRECISION |
2 mm |
1.25 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
43200 ohm |
.1 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0805 |
2 |
SMT |
WRAPAROUND |
2mm x 1.25mm x .5mm |
-55 Cel |
25 |
.55 mm |
100 V |
PRECISION |
2 mm |
1.25 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
49900 ohm |
.1 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0805 |
2 |
SMT |
WRAPAROUND |
2mm x 1.25mm x .5mm |
-55 Cel |
25 |
.55 mm |
100 V |
PRECISION |
2 mm |
1.25 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
4750 ohm |
.1 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0805 |
2 |
SMT |
WRAPAROUND |
2mm x 1.25mm x .5mm |
-55 Cel |
25 |
.55 mm |
100 V |
PRECISION |
2 mm |
1.25 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
536000 ohm |
.1 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0805 |
2 |
SMT |
WRAPAROUND |
2mm x 1.25mm x .5mm |
-55 Cel |
25 |
.55 mm |
100 V |
PRECISION |
2 mm |
1.25 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
SURFACE MOUNT |
953000 ohm |
.1 W |
155 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0805 |
2 |
SMT |
WRAPAROUND |
2mm x 1.25mm x .5mm |
-55 Cel |
25 |
.55 mm |
100 V |
PRECISION |
2 mm |
1.25 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
124 ohm |
.25 W |
155 Cel |
.1 % |
.6 mm |
THIN FILM |
TUBULAR PACKAGE |
Tubular |
AMMO PACK |
2 |
Axial |
WIRE |
FIXED RESISTOR |
6.3mm x 2.3mm |
-65 Cel |
15 |
25 mm |
250 V |
PRECISION |
6.3 mm |
2.3 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
137 ohm |
.25 W |
155 Cel |
.1 % |
.6 mm |
THIN FILM |
TUBULAR PACKAGE |
Tubular |
AMMO PACK |
2 |
Axial |
WIRE |
FIXED RESISTOR |
6.3mm x 2.3mm |
-65 Cel |
15 |
25 mm |
250 V |
PRECISION |
6.3 mm |
2.3 mm |
|||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
499 ohm |
.25 W |
155 Cel |
.1 % |
.6 mm |
THIN FILM |
TUBULAR PACKAGE |
Tubular |
AMMO PACK |
2 |
Axial |
WIRE |
FIXED RESISTOR |
6.3mm x 2.3mm |
-65 Cel |
15 |
TIN |
25 mm |
250 V |
PRECISION |
6.3 mm |
e3 |
2.3 mm |
|||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
8200 ohm |
7 W |
200 Cel |
5 % |
.8 mm |
WIRE WOUND |
TUBULAR PACKAGE |
All-Welded |
AMMO PACK |
2 |
Axial |
WIRE |
Fixed Resistors |
22mm x 8.5mm |
-55 Cel |
200 |
35 mm |
350 V |
22 mm |
8.5 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 |
2200 ohm |
25 W |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
LUG |
51mm x 28mm x 15mm |
30 |
15 mm |
500 V |
RATED AC VOLTAGE (V): 550, FREE AIR POWER: 12.5W |
29 mm |
28 mm |
||||||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
2 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 |
33 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 |
3.3 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 |
29 mm |
28 mm |
||||||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
470 ohm |
25 W |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
LUG |
51mm x 28mm x 15mm |
30 |
15 mm |
500 V |
RATED AC VOLTAGE (V): 550 |
29 mm |
28 mm |
||||||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
4700 ohm |
25 W |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
LUG |
51mm x 28mm x 15mm |
30 |
15 mm |
500 V |
RATED AC VOLTAGE (V): 550, FREE AIR POWER: 12.5W |
29 mm |
28 mm |
||||||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
560 ohm |
25 W |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
LUG |
51mm x 28mm x 15mm |
30 |
15 mm |
500 V |
RATED AC VOLTAGE (V): 550, FREE AIR POWER: 12.5W |
29 mm |
28 mm |
||||||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
68 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 |
6800 ohm |
25 W |
5 % |
25 Cel |
WIRE WOUND |
RECTANGULAR PACKAGE |
Rectangular |
BULK, TRAY |
2 |
Chassis Mount |
LUG |
51mm x 28mm x 15mm |
30 |
15 mm |
500 V |
RATED AC VOLTAGE (V): 550, FREE AIR POWER: 12.5W |
29 mm |
28 mm |
||||||||||||||||||
|
|
TE Connectivity |
FIXED RESISTOR |
CHASSIS MOUNT |
.01 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 |
.1 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 |
.47 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 |
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.