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 47K ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 47 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 47M ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 47 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 47 ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 47 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 47 ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 47 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 4.3K ohm 0.1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 4.3 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 4.3K ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 4.3 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 4.3K ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 4.3 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 4.7K ohm 0.1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 4.7 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 4.7K ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 4.7 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 4.7K ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 4.7 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 4.3M ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 4.3 MOhms 250 mW (1/4 W) 1 % 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 4.3M ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 4.3 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 4.7M ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 4.7 MOhms 250 mW (1/4 W) 1 % 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 4.7M ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 4.7 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 4.3 ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 4.3 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 4.3 ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 4.3 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 4.7 ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 4.7 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 4.7 ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 4.7 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 510K ohm 0.1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 510 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 510K ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 510 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 510K ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 510 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 510 ohm 0.1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 510 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 510 ohm 1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 510 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 510 ohm 5% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 510 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 51K ohm 0.1% .25W
Datasheet
Non-Stocked
Min.: 800
Mult.: 800
: 800
Reel CR 51 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