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 (KRW) 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 0204 100 kOhms 1% Tol. 50ppm
Datasheet
7,296In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 100 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 100 Ohms 1% Tol. 50ppm
Datasheet
11,093In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 100 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 10K Ohm 1%
Datasheet
11,268In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 10 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 10 kOhms 1% Tol. 50ppm
Datasheet
2,691In Stock
9,000Expected 2/23/2027
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 10 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 10 Ohms 1% Tol. 50ppm
Datasheet
5,116In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 10 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 0204 120 Ohms 1% Tol. 50ppm
Datasheet
5,774In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 120 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 0204 12 kOhms 1% Tol. 50ppm
Datasheet
4,425In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 12 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 150 Ohms 1% Tol. 50ppm
Datasheet
8,081In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 150 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 18K ohm 1% 50ppm AEC-Q200
Datasheet
7,960In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 18 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 0204 1 kOhms 1% Tol. 50ppm
Datasheet
14,844In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 1 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 1 Mohms 1% Tol. 50ppm
Datasheet
8,049In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 1 MOhms 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 220K Ohm 1%
Datasheet
6,700In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 220 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 220 ohm 1% 0.25W MELF Resistor
Datasheet
2,892In Stock
Min.: 1
Mult.: 1
: 3,000

WRM 220 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 0204 22 Ohms 1% Tol. 50ppm
Datasheet
14,963In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 22 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 0204 2K2 Ohms 1% Tol. 50ppm
Datasheet
8,395In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 2.2 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 1/4W 330 Ohm 1%
Datasheet
8,229In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 330 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 33K ohm 1% 50ppm AEC-Q200
Datasheet
6,000In Stock
3,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 33 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 0204 390 kOhms 1% Tol. 50ppm
Datasheet
6,850In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 390 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 1/4W 3.3K Ohm 1%
Datasheet
2,721In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 3.3 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 470 kOhms 1% Tol. 50ppm
Datasheet
11,066In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 470 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 1/4W 470 Ohm 1%
Datasheet
2,114In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 470 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 1/4W47 Ohm 1%
Datasheet
17,624In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 47 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 0204 4K7 Ohms 1% Tol. 50ppm
Datasheet
12,920In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 4.7 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 560 ohm 1% 0.25W MELF Resistor
Datasheet
6,236In Stock
Min.: 1
Mult.: 1
: 3,000

WRM 560 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 5.6K Ohm 1%
Datasheet
1,159In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

WRM 5.6 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