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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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
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
4,392In 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
7,313In 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 11/09/2026
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
14,753In 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
10,131In 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 01/07/2026
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