MFR Metal Film Resistors

Welwyn / TT Electronics MFR Metal Film Resistors are professional grade approved to IECQ-CECC 40101-803 and 019 and offer tolerances down to 0.5%. Welwyn / TT Electronics MFR Metal Film Resistors feature a 1Ω to 1MΩ resistance range and a 0.4W to 0.75W power rating. The series offers 200V or 350V rated voltage and operates over a -55°C to +155°C operating temperature range.

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Qty. RoHS ECAD Model Series
Resistance
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Temperature Coefficient
Minimum Operating Temperature
Maximum Operating Temperature
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Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 150K ohm 1% 350V Metal Film Resistor
Datasheet
9.160In Stock
Min.: 1
Mult.: 1
Reel: 5.000

MFR 150 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 1K ohm 1% 350V Metal Film Resistor
Datasheet
2.512In Stock
Min.: 1
Mult.: 1
Reel: 5.000

MFR 1 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 1.5K ohm 1% 0.5W
Datasheet
7.413In Stock
Min.: 1
Mult.: 1
Reel: 5.000

MFR 1.5 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 220K ohm 1% 350V Metal Film Resistor
Datasheet
8.517In Stock
Min.: 1
Mult.: 1
Reel: 5.000

MFR 220 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 270 ohm 1% 350V Metal Film Resistor
Datasheet
5.751In Stock
Min.: 1
Mult.: 1
Reel: 5.000

MFR 270 Ohms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 27K ohm 1% 0.5W
Datasheet
6.985In Stock
Min.: 1
Mult.: 1
Reel: 5.000

MFR 27 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 39K ohm 1% 0.5W
Datasheet
3.177In Stock
10.000Expected 9/11/2026
Min.: 1
Mult.: 1
Reel: 5.000

MFR 39 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 3K OHM 1% 3/4W
Datasheet
14.763In Stock
Min.: 1
Mult.: 1
Reel: 5.000

MFR 3 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole
Datasheet
13.746In Stock
Min.: 1
Mult.: 1
Reel: 5.000

MFR 3.9 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 3 mm 6.8 mm Axial Ammo Pack Metal Film Resistors General Purpose
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 470K ohm 1% 350V Metal Film Resistor
Datasheet
1.828In Stock
Min.: 1
Mult.: 1
Reel: 5.000

MFR 470 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 56 ohm 1% 0.5W
Datasheet
9.117In Stock
Min.: 1
Mult.: 1
Reel: 5.000

MFR 56 Ohms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 5.1K ohm 1% 350V Metal Film Resistor
Datasheet
5.550In Stock
Min.: 1
Mult.: 1
Reel: 5.000

MFR 5.1 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 680 ohm 1% 350V Metal Film Resistor
Datasheet
10.141In Stock
Min.: 1
Mult.: 1
Reel: 5.000

MFR 680 Ohms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 75K ohm 1% 0.5W
Datasheet
8.731In Stock
Min.: 1
Mult.: 1
Reel: 5.000

MFR 75 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole
Datasheet
468In Stock
Min.: 1
Mult.: 1
Reel: 2.500

MFR 100 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 10K ohm 1% 0.75W
Datasheet
9.016In Stock
Min.: 1
Mult.: 1
Reel: 2.500

MFR 10 kOhms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 10 ohm 1% 0.75W
Datasheet
6.494In Stock
Min.: 1
Mult.: 1
Reel: 2.500

MFR 10 Ohms 750 mW (3/4 W) 1 % 150 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 120 ohm 1% 0.75W
Datasheet
1.380In Stock
7.500Expected 7/1/2026
Min.: 1
Mult.: 1
Reel: 2.500

MFR 120 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 15 ohm 1% 0.75W
Datasheet
3.490In Stock
Min.: 1
Mult.: 1
Reel: 2.500

MFR 15 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 220K ohm 1% 0.75W
Datasheet
5.918In Stock
Min.: 1
Mult.: 1
Reel: 2.500

MFR 220 kOhms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 220 ohm 1% 0.75W
Datasheet
1.926In Stock
Min.: 1
Mult.: 1
Reel: 2.500

MFR 220 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole
Datasheet
3.596In Stock
Min.: 1
Mult.: 1
Reel: 2.500

MFR 33 kOhms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 470K ohm 1% 0.75W
Datasheet
1.796In Stock
Min.: 1
Mult.: 1
Reel: 2.500

MFR 470 kOhms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics MFR3-100RFC
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 100 ohm 1% 200V Metal Film Resistor
Datasheet
29.254In Stock
Min.: 1
Mult.: 1
Reel: 5.000

MFR 100 Ohms 400 mW 1 % 50 PPM / C - 55 C + 155 C 200 V 2 mm 3.7 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics MFR3-220RFC
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 220 ohm 1% 200V Metal Film Resistor
Datasheet
25.512In Stock
Min.: 1
Mult.: 1
Reel: 5.000

MFR 220 Ohms 400 mW 1 % 50 PPM / C - 55 C + 155 C 200 V 2 mm 3.7 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor