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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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
11,107In 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
9,000On Order
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
5,839In 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
15,044In 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
15,088In 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
8,239In 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
2,124In 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