| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
Xicon Passive Components |
FIXED RESISTOR |
51 ohm |
.1 W |
125 Cel |
5 % |
METAL GLAZE/THICK FILM |
Chip |
TR |
0805 |
2 |
SMT |
Fixed Resistors |
-55 Cel |
200 |
.55 mm |
150 V |
2 mm |
CR5 |
1.25 mm |
|||||||||||||||||||
|
|
American Technical Ceramics |
FIXED RESISTOR |
SURFACE MOUNT |
50 ohm |
.125 W |
125 Cel |
1 % |
THIN FILM |
Chip |
TR |
0402 |
2 |
SMT |
WRAPAROUND |
FIXED RESISTOR |
-40 Cel |
-50,150 |
.5 mm |
1 mm |
.5 mm |
|||||||||||||||||||
|
|
Yageo |
FIXED RESISTOR |
.25 ohm |
.25 W |
125 Cel |
1 % |
METAL GLAZE/THICK FILM |
Chip |
TR, Paper, 7 Inch |
0805 |
2 |
SMT |
FIXED RESISTOR |
-55 Cel |
600 |
Matte Tin (Sn) - with Nickel (Ni) barrier |
.5 mm |
2 mm |
e3 |
RL |
1.25 mm |
||||||||||||||||||
|
|
Yageo |
FIXED RESISTOR |
2230 ohm |
.125 W |
125 Cel |
.5 % |
THIN FILM |
Chip |
TR, Paper, 7 Inch |
0805 |
2 |
SMT |
Fixed Resistors |
-55 Cel |
50 |
Matte Tin (Sn) - with Nickel (Ni) barrier |
.5 mm |
150 V |
2 mm |
e3 |
RT |
1.25 mm |
|||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
SURFACE MOUNT |
18000 ohm |
2 W |
125 Cel |
5 % |
25 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, 13 Inch |
4624 |
2 |
SMT |
J BEND |
Fixed Resistors |
-55 Cel |
250 |
5.74 mm |
500 V |
11.56 mm |
6.1 mm |
||||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
2200 ohm |
.25 W |
125 Cel |
5 % |
THIN FILM |
Chip |
TR, Paper, 7 Inch |
1206 |
2 |
SMT |
Fixed Resistors |
-55 Cel |
100 |
.55 mm |
3.2 mm |
M25SI |
1.6 mm |
||||||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
2500 ohm |
.25 W |
125 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
TR, PAPER |
1206 |
2 |
WRAPAROUND |
-55 Cel |
25 |
TIN OVER NICKEL |
200 V |
LASER TRIMMABLE, PRECISION, RATED AC VOLTAGE(V): 200 |
e3 |
|||||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
50 ohm |
.25 W |
125 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
TR, PAPER |
1206 |
2 |
WRAPAROUND |
-55 Cel |
25 |
TIN OVER NICKEL |
200 V |
LASER TRIMMABLE, PRECISION, RATED AC VOLTAGE(V): 200 |
e3 |
|||||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
900 ohm |
.25 W |
125 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
TR, PAPER |
1206 |
2 |
WRAPAROUND |
-55 Cel |
25 |
TIN OVER NICKEL |
200 V |
LASER TRIMMABLE, PRECISION, RATED AC VOLTAGE(V): 200 |
e3 |
|||||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
2500 ohm |
.125 W |
125 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
TR, PAPER |
0805 |
2 |
WRAPAROUND |
-55 Cel |
25 |
MATTE TIN OVER NICKEL |
150 V |
LASER TRIMMABLE, PRECISION, RATED AC VOLTAGE(V): 150 |
e3 |
|||||||||||||||||||
|
|
Stackpole Electronics |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
100 ohm |
.5 W |
125 Cel |
5 % |
.7 mm |
70 Cel |
CARBON COMPOSITION |
TUBULAR PACKAGE |
Tubular |
TR, 13.5 INCH |
2 |
Axial |
WIRE |
-55 Cel |
Matte Tin (Sn) |
350 V |
NON-INDUCTIVE |
9.5 mm |
e3 |
3.6 mm |
||||||||||||||||
|
|
Stackpole Electronics |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
10 ohm |
.5 W |
125 Cel |
5 % |
.7 mm |
70 Cel |
CARBON COMPOSITION |
TUBULAR PACKAGE |
Tubular |
TR, 13.5 INCH |
2 |
Axial |
WIRE |
-55 Cel |
Matte Tin (Sn) |
350 V |
NON-INDUCTIVE |
9.5 mm |
e3 |
3.6 mm |
||||||||||||||||
|
|
Stackpole Electronics |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
10 ohm |
.25 W |
125 Cel |
5 % |
.6 mm |
70 Cel |
CARBON COMPOSITION |
TUBULAR PACKAGE |
Tubular |
BULK |
2 |
Axial |
WIRE |
-55 Cel |
Matte Tin (Sn) |
30 mm |
250 V |
NON-INDUCTIVE |
6.3 mm |
e3 |
2.4 mm |
|||||||||||||||
|
|
Yageo |
FIXED RESISTOR |
SURFACE MOUNT |
.025 ohm |
.125 W |
125 Cel |
5 % |
70 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Chip |
TR, PAPER, 7 INCH |
0805 |
2 |
SMT |
WRAPAROUND |
FIXED RESISTOR |
-55 Cel |
1200 |
Matte Tin (Sn) - with Nickel (Ni) barrier |
.5 mm |
RL |
2 mm |
e3 |
RL |
1.25 mm |
|||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
100 ohm |
.1 W |
125 Cel |
.1 % |
70 Cel |
THIN FILM |
Rectangular |
TR, CARDBOARD, 7 INCH |
0603 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
10 |
Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier |
.45 mm |
75 V |
LASER TRIMMABLE, RATED AC VOLTAGE (V): 75 |
1.6 mm |
e0 |
.85 mm |
||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
2200 ohm |
5.5 W |
125 Cel |
5 % |
30 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
BULK |
2 |
Chassis Mount |
LUG |
Fixed Resistors |
-55 Cel |
150 |
Matte Tin (Sn) |
9 mm |
POWER DISSIPATION USING HEAT SINK:50W, RATED AC VOLTAGE (V): 1285 |
47.8 mm |
e3 |
15.5 mm |
|||||||||||||||
|
|
Thin Film Technology |
FIXED RESISTOR |
SURFACE MOUNT |
.33 ohm |
.16 W |
125 Cel |
1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
TR |
0402 |
2 |
WRAPAROUND |
Fixed Resistors |
-40 Cel |
200 |
Matte Tin (Sn) - with Nickel (Ni) barrier |
RP |
e3 |
|||||||||||||||||||
|
|
Thin Film Technology |
FIXED RESISTOR |
SURFACE MOUNT |
.22 ohm |
.2 W |
125 Cel |
1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
TR |
0603 |
2 |
WRAPAROUND |
Fixed Resistors |
-40 Cel |
200 |
Matte Tin (Sn) - with Nickel (Ni) barrier |
RP |
e3 |
|||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
15200 ohm |
.25 W |
125 Cel |
.01 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
0805 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
5 |
Tin/Lead (Sn63Pb37) - with Nickel (Ni) barrier |
.8382 mm |
100 V |
FALME PROOF |
2.032 mm |
e0 |
1.27 mm |
|||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
1 ohm |
100 W |
125 Cel |
5 % |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
BULK |
2 |
Chassis Mount |
BINDING POST |
Fixed Resistors |
-55 Cel |
Nickel (Ni) |
12.6 mm |
1500 V |
NON INDUCTIVE, FREE AIR POWER: 5W |
38 mm |
25 mm |
||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
1 ohm |
200 W |
125 Cel |
5 % |
25 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
BULK |
2 |
Chassis Mount |
BINDING POST |
Fixed Resistors |
-55 Cel |
Nickel (Ni) |
12.6 mm |
1500 V |
NON INDUCTIVE, FREE AIR POWER: 5W |
38 mm |
25 mm |
|||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
.1 ohm |
200 W |
125 Cel |
5 % |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
BULK |
2 |
Chassis Mount |
BINDING POST |
Fixed Resistors |
-55 Cel |
300 |
Nickel (Ni) |
12.6 mm |
1500 V |
NON INDUCTIVE, FREE AIR POWER: 5W |
38 mm |
25 mm |
|||||||||||||||
|
|
Panasonic |
FIXED RESISTOR |
SURFACE MOUNT |
620 ohm |
.031 W |
125 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR, PRESSED, 7 INCH |
01005 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
200 |
MATTE TIN OVER NICKEL |
.13 mm |
15 V |
PRECISION |
.4 mm |
e3 |
IEC60115-8 |
.2 mm |
|||||||||||||
|
|
Panasonic |
FIXED RESISTOR |
SURFACE MOUNT |
787000 ohm |
.031 W |
125 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR, PRESSED, 7 INCH |
01005 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
200 |
MATTE TIN OVER NICKEL |
.13 mm |
15 V |
PRECISION |
.4 mm |
e3 |
IEC60115-8 |
.2 mm |
|||||||||||||
|
|
Stackpole Electronics |
FIXED RESISTOR |
SURFACE MOUNT |
68000000 ohm |
.1 W |
125 Cel |
10 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, PAPER, 7 INCH |
0603 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
400 |
MATTE TIN OVER NICKEL |
.45 mm |
50 V |
1.6 mm |
e3 |
.8 mm |
||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
10000 ohm |
25 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: 4W |
28 mm |
e3 |
14 mm |
||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
100 ohm |
25 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: 4W |
28 mm |
e3 |
14 mm |
||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
150 ohm |
25 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: 4W |
28 mm |
e3 |
14 mm |
||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
15 ohm |
25 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: 4W |
28 mm |
e3 |
14 mm |
||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
22 ohm |
25 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: 4W |
28 mm |
e3 |
14 mm |
||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
1000 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 |
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 |
15000 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 |
220 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 |
22 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 |
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 |
||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
47 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 |
1 ohm |
100 W |
125 Cel |
5 % |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
BULK |
2 |
Chassis Mount |
LUG |
FIXED RESISTOR |
-55 Cel |
150 |
Nickel (Ni) |
18.5 mm |
1900 V |
FREE AIR POWER : 10W, NON-INDUCTIVE |
65.2 mm |
46.7 mm |
|||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
220000 ohm |
100 W |
125 Cel |
10 % |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
BULK |
2 |
Chassis Mount |
LUG |
FIXED RESISTOR |
-55 Cel |
150 |
Nickel (Ni) |
21.15 mm |
1900 V |
NON INDUCTIVE, FREE AIR POWER: 10W |
65.2 mm |
46.7 mm |
|||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
CHASSIS MOUNT |
100 ohm |
500 W |
125 Cel |
5 % |
25 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
BULK |
2 |
Chassis Mount |
BINDING POST |
-55 Cel |
150 |
Matte Tin (Sn) |
26 mm |
5000 V |
73 mm |
e3 |
60 mm |
|||||||||||||||||
|
Susumu |
FIXED RESISTOR |
499 ohm |
.1 W |
125 Cel |
.1 % |
METAL FILM |
Chip |
TR |
0805 |
2 |
SMT |
Fixed Resistors |
-55 Cel |
25 |
.4 mm |
RR1220P |
100 V |
2 mm |
RR1220P |
1.25 mm |
|||||||||||||||||||
|
|
Panasonic |
FIXED RESISTOR |
SURFACE MOUNT |
10000 ohm |
.1 W |
125 Cel |
5 % |
70 Cel |
METAL FILM |
RECTANGULAR PACKAGE |
Chip |
TR, PUNCHED, 7 INCH |
0805 |
2 |
SMT |
WRAPAROUND |
Fixed Resistors |
-40 Cel |
1500 |
Tin (Sn) |
.5 mm |
2 mm |
e3 |
1.25 mm |
|||||||||||||||
|
|
Panasonic |
FIXED RESISTOR |
SURFACE MOUNT |
620 ohm |
.031 W |
125 Cel |
5 % |
70 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR, PRESSED, 7 INCH |
01005 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
200 |
TIN OVER NICKEL |
.13 mm |
15 V |
.4 mm |
e3 |
IEC60115-8 |
.2 mm |
||||||||||||||
|
|
Yageo |
FIXED RESISTOR |
20 ohm |
.1 W |
125 Cel |
5 % |
METAL GLAZE/THICK FILM |
Aluminum Oxide |
Tape, Paper |
0805 |
2 |
SMT |
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 |
3300000 ohm |
.1 W |
125 Cel |
5 % |
METAL GLAZE/THICK FILM |
Aluminum Oxide |
Tape, Paper |
0805 |
2 |
SMT |
Fixed Resistors |
-55 Cel |
200 |
Matte Tin (Sn) - with Nickel (Ni) barrier |
.55 mm |
150 V |
2 mm |
e3 |
1.25 mm |
||||||||||||||||||
|
|
Bourns |
FIXED RESISTOR |
SURFACE MOUNT |
.05 ohm |
.25 W |
125 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR, PAPER, 7 INCH |
0805 |
2 |
SMT |
WRAPAROUND |
FIXED RESISTOR |
-55 Cel |
200 |
Matte Tin (Sn) - with Nickel (Ni) barrier |
.5 mm |
.11 V |
2 mm |
e3 |
1.25 mm |
||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
50 ohm |
.05 W |
125 Cel |
.1 % |
THIN FILM |
Chip |
TR |
0402 |
2 |
SMT |
FIXED RESISTOR |
-55 Cel |
25 |
Tin/Lead (Sn63Pb37) - with Nickel (Ni) barrier |
.381 mm |
30 V |
1.067 mm |
e0 |
.559 mm |
|||||||||||||||||||
|
|
Vishay Intertechnology |
FIXED RESISTOR |
50 ohm |
.05 W |
125 Cel |
1 % |
THIN FILM |
Chip |
TR |
0402 |
2 |
SMT |
FIXED RESISTOR |
-55 Cel |
25 |
TIN SILVER COPPER OVER NICKEL |
.381 mm |
30 V |
1.067 mm |
.559 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.