WRM MELF Resistors

Welwyn / TT Electronics WRM MELF Resistors are high-reliability resistors with tolerances down to 0.1%. WRM MELF Resistors offer predictable pulse handling capability and Temperature Coefficient of Resistance (TCR) down to 5ppm/°C. The power rating of the WRM series ranges from 0.125W to 0.4W.

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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Resistance
Power Rating
Tolerance
Temperature Coefficient
Minimum Operating Temperature
Maximum Operating Temperature
Voltage Rating
Case Code - mm
Diameter
Length
Qualification
Packaging
Welwyn Components / TT Electronics MELF Resistors 1/4W 6.8K Ohm 1%
Datasheet
8,120In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 6.8 kOhms 250 mW (1/4 W) 1 % 50 PPM / C - 55 C + 125 C 200 V 0610 1.55 mm 3.7 mm Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors 0204 750 Ohms 1% Tol. 50ppm
Datasheet
8,356In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 750 Ohms 250 mW (1/4 W) 1 % 50 PPM / C - 55 C + 125 C 200 V 0610 1.55 mm 3.7 mm Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors 1/4W 82K Ohm 1%
Datasheet
1,310In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 82 kOhms 250 mW (1/4 W) 1 % 50 PPM / C - 55 C + 125 C 200 V 0610 1.55 mm 3.7 mm Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors 8.2K ohm 1% 50ppm AEC-Q200
Datasheet
8,450In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 8.2 kOhms 250 mW (1/4 W) 1 % 50 PPM / C - 55 C + 125 C 200 V 0610 1.55 mm 3.7 mm AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors
Datasheet
4,441In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

WRM 100 kOhms 400 mW 1 % 50 PPM / C - 55 C 250 V MELF 0207 2.4 mm 6.1 mm AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors
Datasheet
3,987In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

WRM 100 Ohms 400 mW 1 % 50 PPM / C - 55 C 250 V MELF 0207 2.4 mm 6.1 mm AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors
Datasheet
24,459In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

WRM 10 Ohms 400 mW 1 % 50 PPM / C - 55 C 250 V MELF 0207 2.4 mm 6.1 mm AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors
Datasheet
2,607In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

WRM 120 Ohms 400 mW 1 % 50 PPM / C - 55 C 250 V MELF 0207 2.4 mm 6.1 mm AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors
Datasheet
3,259In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

WRM 150 kOhms 400 mW 1 % 50 PPM / C - 55 C 250 V MELF 0207 2.4 mm 6.1 mm AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors
Datasheet
1,959In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

WRM 1 kOhms 400 mW 1 % 50 PPM / C - 55 C 250 V MELF 0207 2.4 mm 6.1 mm AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors
Datasheet
1,549In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

WRM 1 MOhms 400 mW 1 % 50 PPM / C - 55 C 250 V MELF 0207 2.4 mm 6.1 mm AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors
Datasheet
3,435In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

WRM MELF 0207 AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors
Datasheet
2,491In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

WRM 27 kOhms 400 mW 1 % 50 PPM / C - 55 C 250 V MELF 0207 2.4 mm 6.1 mm AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors
Datasheet
480In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

WRM MELF 0207 AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors
Datasheet
4,002In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

WRM MELF 0207 AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors
Datasheet
42In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

WRM 470 Ohms 400 mW 1 % 50 PPM / C - 55 C 250 V MELF 0207 2.4 mm 6.1 mm AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors
Datasheet
7,948In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

WRM 4.7 kOhms 400 mW 1 % 50 PPM / C - 55 C 250 V MELF 0207 2.4 mm 6.1 mm AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors 0204 1K5 Ohms 1% Tol. 50ppm
Datasheet
7,190Expected 27/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 1.5 kOhms 250 mW (1/4 W) 1 % 50 PPM / C - 55 C + 125 C 200 V 0610 1.55 mm 3.7 mm Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors
Datasheet
3,997Expected 04/02/2027
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

WRM 10 kOhms 400 mW 1 % 50 PPM / C - 55 C 250 V MELF 0207 2.4 mm 6.1 mm AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors 47 OHM 1% 50PPM
Datasheet
4,000Expected 02/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

WRM 47 Ohms 400 mW 1 % 50 PPM / C - 55 C 250 V MELF 0207 2.4 mm 6.1 mm AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors 12 ohm 1% 50ppm AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 12 Ohms 250 mW (1/4 W) 1 % 50 PPM / C - 55 C + 125 C 200 V 0610 1.55 mm 3.7 mm AEC-Q200 Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors 1/4W 330K Ohm 1%
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 330 kOhms 250 mW (1/4 W) 1 % 50 PPM / C - 55 C + 125 C 200 V 0610 1.55 mm 3.7 mm Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors 39 ohm 1% 0.25W MELF Resistor
Datasheet
Non-Stocked
Min.: 1
Mult.: 1
: 3,000

WRM 39 Ohms 250 mW (1/4 W) 1 % 50 PPM / C - 55 C + 125 C 200 V 0610 1.55 mm 3.7 mm Reel, Cut Tape
Welwyn Components / TT Electronics MELF Resistors 1/4W 3 Ohm 1%
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 3 Ohms 250 mW (1/4 W) 1 % 50 PPM / C - 55 C + 125 C 200 V 0610 1.55 mm 3.7 mm Reel, Cut Tape, MouseReel
Welwyn Components / TT Electronics MELF Resistors 1/4W 499K Ohm 1%
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 499 kOhms 250 mW (1/4 W) 1 % 50 PPM / C - 55 C + 125 C 200 V 0610 1.55 mm 3.7 mm Reel, Cut Tape, MouseReel