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) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Koa Speer Electronics |
FIXED RESISTOR |
SURFACE MOUNT |
.14 ohm |
.75 W |
150 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, EMBOSSED PLASTIC, 7 INCH |
2010 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
Matte Tin (Sn) - with Nickel (Ni) barrier |
.6 mm |
.324 V |
5 mm |
e3 |
AEC-Q200 |
2.5 mm |
|||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
1 ohm |
2000 W |
150 Cel |
10 % |
85 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
2 |
Chassis Mount |
BINDING POST |
Fixed Resistors |
-55 Cel |
250 |
MATTE TIN OVER NICKEL |
39.31 mm |
2000 V |
76.2 mm |
e3 |
76.2 mm |
||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
15 ohm |
20 W |
150 Cel |
5 % |
5.08 mm |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Encapsulated |
4112 |
2 |
Radial |
FLAT |
Fixed Resistors |
50 |
TIN SILVER |
12.7 mm |
16.26 mm |
TAH |
350 V |
RATED POWER DISSIPATED USING HEATSINK |
10.41 mm |
e2 |
TAH20 |
3.18 mm |
|||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
10000 ohm |
600 W |
150 Cel |
10 % |
85 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
2 |
Chassis Mount |
BINDING POST |
Fixed Resistors |
-55 Cel |
150 |
TIN SILVER |
32 mm |
5000 V |
65 mm |
e2 |
60 mm |
||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
CHASSIS MOUNT |
10 ohm |
600 W |
150 Cel |
10 % |
85 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
Rectangular |
2 |
Chassis Mount |
BINDING POST |
Fixed Resistors |
-55 Cel |
150 |
TIN SILVER |
32 mm |
5000 V |
65 mm |
e2 |
60 mm |
||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
10 ohm |
20 W |
150 Cel |
5 % |
25 Cel |
METAL GLAZE/THICK FILM |
RECTANGULAR PACKAGE |
2 |
WIRE |
Fixed Resistors |
200 |
Tin (Sn) |
RATED POWER DISSIPATED USING HEATSINK |
e3 |
||||||||||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
2000 ohm |
.2 W |
150 Cel |
.01 % |
METAL FOIL |
Chip |
Waffle Pack |
0805 |
2 |
SMT |
Fixed Resistors |
-55 Cel |
0.2 |
Tin/Lead (Sn/Pb) |
.64 mm |
40 V |
2.03 mm |
e0 |
VSMP0805 (Z FOIL) |
1.27 mm |
||||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
250 ohm |
1 W |
150 Cel |
1 % |
.6 mm |
70 Cel |
WIRE WOUND |
TUBULAR PACKAGE |
Epoxy Molded |
BULK |
2 |
Axial |
WIRE |
Fixed Resistors |
-55 Cel |
20 |
TIN |
25 mm |
PRECISION |
7 mm |
e3 |
3 mm |
||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
15 ohm |
5 W |
150 Cel |
1 % |
1 mm |
70 Cel |
WIRE WOUND |
TUBULAR PACKAGE |
Tubular |
TR, 11.41 INCH |
2 |
Axial |
WIRE |
-55 Cel |
20 |
TIN |
25 mm |
8.6603 V |
PRECISION |
20 mm |
e3 |
7.5 mm |
||||||||||||||
|
Tt Electronics Plc |
FIXED RESISTOR |
SURFACE MOUNT |
21.5 ohm |
.25 W |
150 Cel |
.1 % |
70 Cel |
THIN FILM |
Rectangular |
TR, EMBOSSED PLASTIC, 7 INCH |
0805 |
2 |
SMT |
-65 Cel |
25 |
MATTE TIN |
.45 mm |
100 V |
ANTI-SULFUR; PRECISION; RATED AC VOLTAGE(V): 100 |
2.02 mm |
e3 |
1.28 mm |
||||||||||||||||
|
Tt Electronics Plc |
FIXED RESISTOR |
SURFACE MOUNT |
3610 ohm |
.25 W |
150 Cel |
.05 % |
70 Cel |
THIN FILM |
Rectangular |
TR, EMBOSSED PLASTIC, 7 INCH |
0805 |
2 |
SMT |
-65 Cel |
25 |
Matte Tin (Sn) |
.45 mm |
100 V |
ANTI-SULFUR; PRECISION; RATED AC VOLTAGE(V): 100 |
2.02 mm |
e3 |
1.28 mm |
||||||||||||||||
|
Tt Electronics Plc |
FIXED RESISTOR |
SURFACE MOUNT |
21500 ohm |
.33 W |
150 Cel |
.1 % |
70 Cel |
THIN FILM |
Rectangular |
TR, EMBOSSED PLASTIC, 7 INCH |
1206 |
2 |
SMT |
-65 Cel |
25 |
MATTE TIN |
.5 mm |
200 V |
ANTI-SULFUR; PRECISION; RATED AC VOLTAGE(V): 200 |
3.15 mm |
e3 |
1.57 mm |
||||||||||||||||
|
Tt Electronics Plc |
FIXED RESISTOR |
SURFACE MOUNT |
3610 ohm |
.33 W |
150 Cel |
.05 % |
70 Cel |
THIN FILM |
Rectangular |
TR, EMBOSSED PLASTIC, 7 INCH |
1206 |
2 |
SMT |
-65 Cel |
25 |
Matte Tin (Sn) |
.5 mm |
200 V |
ANTI-SULFUR; PRECISION; RATED AC VOLTAGE(V): 200 |
3.15 mm |
e3 |
1.57 mm |
||||||||||||||||
|
Tt Electronics Plc |
FIXED RESISTOR |
SURFACE MOUNT |
3610 ohm |
.33 W |
150 Cel |
.05 % |
70 Cel |
THIN FILM |
Rectangular |
TR, EMBOSSED PLASTIC, 7 INCH |
1206 |
2 |
SMT |
-65 Cel |
25 |
Matte Tin (Sn) |
.5 mm |
200 V |
ANTI-SULFUR; PRECISION; RATED AC VOLTAGE(V): 200 |
3.15 mm |
e3 |
1.57 mm |
||||||||||||||||
|
Tt Electronics Plc |
FIXED RESISTOR |
SURFACE MOUNT |
4640 ohm |
.33 W |
150 Cel |
.1 % |
70 Cel |
THIN FILM |
Rectangular |
TR, EMBOSSED PLASTIC, 7 INCH |
1206 |
2 |
SMT |
-65 Cel |
25 |
MATTE TIN |
.5 mm |
200 V |
ANTI-SULFUR; PRECISION; RATED AC VOLTAGE(V): 200 |
3.15 mm |
e3 |
1.57 mm |
||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
78 ohm |
2 W |
150 Cel |
5 % |
70 Cel |
METAL FILM |
RECTANGULAR PACKAGE |
BULK |
4527 |
2 |
WRAPAROUND |
-65 Cel |
100 |
Matte Tin (Sn) - with Nickel (Ni) barrier |
e3 |
|||||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
.1 ohm |
2 W |
150 Cel |
.1 % |
METAL FOIL |
Conformally Coated |
Bulk |
4 |
4 Terminals |
Fixed Resistors |
-55 Cel |
10 |
12.7 mm |
13 mm |
31.5 mm |
VCS202 |
4.5 mm |
||||||||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
.1 ohm |
10 W |
150 Cel |
1 % |
METAL FOIL |
RECTANGULAR PACKAGE |
Rectangular |
Bulk |
4 |
4 Terminals |
Fixed Resistors |
-55 Cel |
3 |
Tin/Lead (Sn/Pb) |
25.4 mm |
26.01 mm |
34.04 mm |
e0 |
VCS302 |
5.33 mm |
||||||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
1000 ohm |
.2 W |
150 Cel |
.1 % |
METAL FOIL |
Chip |
TR |
0805 |
2 |
SMT |
Fixed Resistors |
-55 Cel |
0.2 |
Tin/Lead (Sn/Pb) |
.64 mm |
40 V |
2.03 mm |
e0 |
VSMP0805 (Z FOIL) |
1.27 mm |
||||||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
1780 ohm |
.2 W |
150 Cel |
.05 % |
METAL FOIL |
Chip |
Waffle Pack |
0805 |
2 |
SMT |
Fixed Resistors |
-55 Cel |
0.2 |
Tin/Lead (Sn/Pb) |
.64 mm |
40 V |
2.03 mm |
e0 |
VSMP0805 (Z FOIL) |
1.27 mm |
||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
200 ohm |
.2 W |
150 Cel |
.02 % |
METAL FOIL |
Chip |
TR |
0805 |
2 |
SMT |
Fixed Resistors |
-55 Cel |
0.2 |
.64 mm |
40 V |
2.03 mm |
VSMP0805 (Z FOIL) |
1.27 mm |
|||||||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
2000 ohm |
.2 W |
150 Cel |
.1 % |
METAL FOIL |
Chip |
TR |
0805 |
2 |
SMT |
Fixed Resistors |
-55 Cel |
0.2 |
Tin/Lead (Sn/Pb) |
.64 mm |
40 V |
2.03 mm |
e0 |
VSMP0805 (Z FOIL) |
1.27 mm |
||||||||||||||||||
|
Vishay Precision Group |
FIXED RESISTOR |
SURFACE MOUNT |
50000 ohm |
.75 W |
150 Cel |
1 % |
70 Cel |
METAL FOIL |
Rectangular |
WAFFLE PACK |
2512 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
0.2 |
.64 mm |
220 V |
NON-INDUCTIVE, ULTRA HIGH PRECISION |
6.32 mm |
3.23 mm |
|||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
75000 ohm |
.75 W |
150 Cel |
1 % |
METAL FOIL |
Chip |
TR |
2512 |
2 |
SMT |
Fixed Resistors |
-55 Cel |
0.2 |
.64 mm |
220 V |
6.32 mm |
VSMP2512 (Z FOIL) |
3.23 mm |
|||||||||||||||||||
|
Vishay Precision Group |
FIXED RESISTOR |
SURFACE MOUNT |
400 ohm |
.1 W |
150 Cel |
.1 % |
70 Cel |
METAL FOIL |
Rectangular |
Waffle Pack |
0805 |
2 |
SMT |
ONE SURFACE |
-55 Cel |
0.2 |
.64 mm |
28 V |
ANTI-SULFUR, HIGH PRECISION |
2.01 mm |
1.24 mm |
|||||||||||||||||
|
Vishay Precision Group |
FIXED RESISTOR |
SURFACE MOUNT |
500 ohm |
.1 W |
150 Cel |
.01 % |
70 Cel |
METAL FOIL |
Rectangular |
TR |
0805 |
2 |
SMT |
ONE SURFACE |
-55 Cel |
0.2 |
.64 mm |
28 V |
ANTI-SULFUR, HIGH PRECISION |
2.01 mm |
1.24 mm |
|||||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
200 ohm |
.25 W |
150 Cel |
.02 % |
METAL FOIL |
Chip |
TR |
1206 |
2 |
SMT |
Fixed Resistors |
-55 Cel |
0.2 |
Tin/Lead (Sn/Pb) |
.64 mm |
79 V |
3.2 mm |
e0 |
VFCP1206 (Z FOIL) |
1.57 mm |
||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
240 ohm |
.25 W |
150 Cel |
.1 % |
METAL FOIL |
Chip |
Waffle Pack |
1206 |
2 |
SMT |
Fixed Resistors |
-55 Cel |
0.2 |
.64 mm |
79 V |
3.2 mm |
VFCP1206 (Z FOIL) |
1.57 mm |
|||||||||||||||||||
|
Vishay Intertechnology |
FIXED RESISTOR |
1000 ohm |
.1 W |
150 Cel |
.01 % |
METAL FOIL |
Chip |
TR |
0603 |
2 |
SMT |
Fixed Resistors |
-55 Cel |
0.2 |
.64 mm |
1.6 mm |
VSMP0603 (Z-FOIL) |
.81 mm |
||||||||||||||||||||
|
Vishay Precision Group |
FIXED RESISTOR |
SURFACE MOUNT |
4000 ohm |
.1 W |
150 Cel |
1 % |
70 Cel |
METAL FOIL |
RECTANGULAR PACKAGE |
TR |
0603 |
2 |
WRAPAROUND |
-55 Cel |
.2 |
VSMP |
20 V |
NON INDUCTIVE, ULTRA HIGH PRECISION |
||||||||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
100000 ohm |
.3 W |
150 Cel |
.005 % |
.64 mm |
3.81 mm |
METAL FOIL |
Hermetically Sealed |
Bulk |
4216 |
2 |
Radial |
Fixed Resistors |
-55 Cel |
Tin/Lead (Sn/Pb) |
25.4 mm |
10.92 mm |
300 V |
10.54 mm |
e0 |
VHP101 |
4.11 mm |
||||||||||||||||
Vishay Precision Group |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
252.5 ohm |
.3 W |
150 Cel |
1 % |
.635 mm |
3.81 mm |
70 Cel |
METAL FOIL |
Rectangular |
BULK |
2 |
Radial |
WIRE |
-55 Cel |
60 |
25.4 mm |
10.922 mm |
300 V |
10.541 mm |
4.1148 mm |
|||||||||||||||||
Vishay Precision Group |
FIXED RESISTOR |
THROUGH HOLE MOUNT |
639 ohm |
.3 W |
150 Cel |
1 % |
.635 mm |
3.81 mm |
70 Cel |
METAL FOIL |
Rectangular |
BULK |
2 |
Radial |
WIRE |
-55 Cel |
60 |
25.4 mm |
10.922 mm |
300 V |
10.541 mm |
4.1148 mm |
|||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
25 ohm |
2.25 W |
150 Cel |
1 % |
5.08 mm |
RECTANGULAR PACKAGE |
Rectangular |
4112 |
2 |
Radial |
FIXED RESISTOR |
100 |
12.7 mm |
16.26 mm |
420 V |
10.41 mm |
AP851 |
3.18 mm |
|||||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
2 ohm |
2.25 W |
150 Cel |
5 % |
5.08 mm |
RECTANGULAR PACKAGE |
Rectangular |
4112 |
2 |
Radial |
FIXED RESISTOR |
300 |
12.7 mm |
16.26 mm |
420 V |
10.41 mm |
AP851 |
3.18 mm |
|||||||||||||||||||
|
Ohmite Manufacturing |
FIXED RESISTOR |
47 ohm |
2.25 W |
150 Cel |
5 % |
5.08 mm |
RECTANGULAR PACKAGE |
Rectangular |
4112 |
2 |
Radial |
FIXED RESISTOR |
100 |
12.7 mm |
16.26 mm |
420 V |
10.41 mm |
AP851 |
3.18 mm |
|||||||||||||||||||
|
Tt Electronics Plc |
FIXED RESISTOR |
SURFACE MOUNT |
.316 ohm |
2 W |
150 Cel |
1 % |
25 Cel |
METAL GLAZE/THICK FILM |
CYLINDRICAL PACKAGE |
Cylindrical |
TR, 13 INCH |
3610 |
2 |
MELF |
WRAPAROUND |
Fixed Resistors |
100 |
Tin/Silver/Copper (Sn/Ag/Cu) - hot dipped |
500 V |
9.32 mm |
e1 |
2.67 mm |
AEC-Q200 |
|||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
1000000 ohm |
.25 W |
150 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
1206 |
2 |
SMT |
WRAPAROUND |
-65 Cel |
25 |
Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier |
.8382 mm |
100 V |
NON-INDUCTIVE |
3.2004 mm |
e0 |
MIL-PRF-55342 |
1.6002 mm |
||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
348000 ohm |
.25 W |
150 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
Waffle Pack |
1206 |
2 |
SMT |
WRAPAROUND |
-65 Cel |
25 |
Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier |
.8382 mm |
100 V |
NON-INDUCTIVE |
3.2004 mm |
e0 |
MIL-PRF-55342 |
1.6002 mm |
||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
56.2 ohm |
.25 W |
150 Cel |
1 % |
THIN FILM |
RECTANGULAR PACKAGE |
Chip |
1206 |
2 |
SMT |
WRAPAROUND |
Fixed Resistors |
-55 Cel |
25 |
Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier |
.61 mm |
100 V |
NON-INDUCTIVE |
3.2 mm |
e0 |
MIL-PRF-55342 |
1.6 mm |
|||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
1000 ohm |
.25 W |
150 Cel |
1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
TR |
1206 |
2 |
SMT |
WRAPAROUND |
-65 Cel |
100 |
Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier |
.8382 mm |
100 V |
3.2004 mm |
e0 |
MIL-PRF-55342 |
1.6002 mm |
|||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
1000 ohm |
.25 W |
150 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
TR, 7 INCH |
1206 |
2 |
SMT |
WRAPAROUND |
-65 Cel |
100 |
TIN LEAD OVER NICKEL |
.51 mm |
100 V |
ANTI-SULFUR |
3.18 mm |
MIL-PRF-55342 |
1.6 mm |
||||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
1000 ohm |
.25 W |
150 Cel |
1 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
WAFFLE PACK |
1206 |
2 |
SMT |
WRAPAROUND |
-65 Cel |
100 |
TIN LEAD OVER NICKEL |
.51 mm |
100 V |
ANTI-SULFUR |
3.18 mm |
MIL-PRF-55342 |
1.6 mm |
||||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
348000 ohm |
.25 W |
150 Cel |
.1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
Rectangular |
Waffle Pack |
1206 |
2 |
SMT |
WRAPAROUND |
-65 Cel |
100 |
Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier |
.8382 mm |
100 V |
NON-INDUCTIVE |
3.2004 mm |
e0 |
MIL-PRF-55342 |
1.6002 mm |
||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
51.1 ohm |
.25 W |
150 Cel |
1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
1206 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier |
.838 mm |
100 V |
3.2 mm |
e0 |
MIL-PRF-55342 |
1.6 mm |
|||||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
681 ohm |
.25 W |
150 Cel |
1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
1206 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier |
.838 mm |
100 V |
3.2 mm |
e0 |
MIL-PRF-55342 |
1.6 mm |
|||||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
6190 ohm |
.25 W |
150 Cel |
1 % |
70 Cel |
THIN FILM |
RECTANGULAR PACKAGE |
1206 |
2 |
SMT |
WRAPAROUND |
-55 Cel |
100 |
Tin/Lead (Sn90Pb10) - with Nickel (Ni) barrier |
.838 mm |
100 V |
3.2 mm |
e0 |
MIL-PRF-55342 |
1.6 mm |
|||||||||||||||||
Vishay Intertechnology |
FIXED RESISTOR |
SURFACE MOUNT |
2000000 ohm |
.25 W |
150 Cel |
5 % |
70 Cel |
METAL GLAZE/THICK FILM |
Rectangular |
WAFFLE PACK |
1206 |
2 |
SMT |
WRAPAROUND |
-65 Cel |
300 |
TIN LEAD OVER NICKEL |
.51 mm |
100 V |
ANTI-SULFUR |
3.18 mm |
MIL-PRF-55342 |
1.6 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.