CR Thick Film Chip Resistors

Welwyn / TT Electronics CR Thick Film Chip Resistors provide a proven commercial off-the-shelf (COTS) alternative to MIL-PRF-55342. The CR chip resistors are qualified to EN 140401 and IECQ-CECC standards and feature a resistance range of 1Ω to 100MΩ and tolerances down to ±0.1%. These Welwyn / TT Electronics resistors support aerospace, defense, and long-life infrastructure applications with stable electrical performance over time.

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Qty. RoHS ECAD Model Packaging
Series
Resistance
Power Rating
Tolerance
Temperature Coefficient
Minimum Operating Temperature
Maximum Operating Temperature
Voltage Rating
Case Code - in
Case Code - mm
Length
Width
Height
Application
Features
Welwyn Components / TT Electronics Thick Film Resistors - SMD 3.3 ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 3.3 Ohms 250 mW (1/4 W) 5 % 200 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 3.6 ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 3.6 Ohms 250 mW (1/4 W) 1 % 200 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 3.6 ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 3.6 Ohms 250 mW (1/4 W) 5 % 200 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 3.9 ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 3.9 Ohms 250 mW (1/4 W) 1 % 200 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 3.9 ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 3.9 Ohms 250 mW (1/4 W) 5 % 200 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 430K ohm 0.1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 430 kOhms 250 mW (1/4 W) 0.1 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 430K ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 430 kOhms 250 mW (1/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 430K ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 430 kOhms 250 mW (1/4 W) 5 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 430 ohm 0.1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 430 Ohms 250 mW (1/4 W) 0.1 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 430 ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 430 Ohms 250 mW (1/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 430 ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 430 Ohms 250 mW (1/4 W) 5 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 43K ohm 0.1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 43 kOhms 250 mW (1/4 W) 0.1 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 43K ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 43 kOhms 250 mW (1/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 43K ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 43 kOhms 250 mW (1/4 W) 5 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 43M ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 43 MOhms 250 mW (1/4 W) 5 % 250 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 43 ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 43 Ohms 250 mW (1/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 43 ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 43 Ohms 250 mW (1/4 W) 5 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 470K ohm 0.1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 470 kOhms 250 mW (1/4 W) 0.1 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 470K ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 470 kOhms 250 mW (1/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 470K ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 470 kOhms 250 mW (1/4 W) 5 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 470 ohm 0.1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 470 Ohms 250 mW (1/4 W) 0.1 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 470 ohm 1% .25W
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
: 800
Reel, Cut Tape, MouseReel CR 470 Ohms 250 mW (1/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 470 ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 470 Ohms 250 mW (1/4 W) 5 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 47K ohm 0.1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 47 kOhms 250 mW (1/4 W) 0.1 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability
Welwyn Components / TT Electronics Thick Film Resistors - SMD 47K ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 47 kOhms 250 mW (1/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.7 mm (0.028 in) High Reliability