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 (CAD) 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 10 ohm 1% 350V Metal Film Resistor
Datasheet
20,776In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 10 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 15 ohm 1% 0.5W
Datasheet
24,139In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 15 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 47 ohm 1% 350V Metal Film Resistor
Datasheet
25,978In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 47 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 4.7K ohm 1% 350V Metal Film Resistor
Datasheet
25,511In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 4.7 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 820 ohm 1% 350V Metal Film Resistor
Datasheet
18,923In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 820 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 2.2 kOhm 1% 350V Metal Film Resistor
Datasheet
18,921In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 2.2 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 470 ohm 1% 0.5W
Datasheet
27,479In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 470 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 43K ohm 1% 0.5W
Datasheet
19,578In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 43 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 56K ohm 1% 0.5W
Datasheet
19,691In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 56 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 100K ohm 1% 350V Metal Film Resistor
Datasheet
20,821In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 100 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 1.8K ohm 1% 350V Metal Film Resistor
Datasheet
20,639In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 1.8 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 22K ohm 1% 350V Metal Film Resistor
Datasheet
18,951In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 22 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 2K ohm 1% 0.5W
Datasheet
15,522In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 2 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 2.4 ohm 1% 350V Metal Film Resistor
Datasheet
11,960In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 2.4 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 330 ohm 1% 350V Metal Film Resistor
Datasheet
15,725In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 330 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 180 ohm 1% 350V Metal Film Resistor
Datasheet
13,577In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 180 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 18K ohm 1% 0.5W
Datasheet
14,214In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 18 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 ohm 1% 350V Metal Film Resistor
Datasheet
11,392In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 1 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 4.7 ohm 1% 350V Metal Film Resistor
Datasheet
12,002In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 4.7 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 510K ohm 1% 0.5W
Datasheet
11,142In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 510 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 1.2K ohm 1% 350V Metal Film Resistor
Datasheet
13,352In Stock
15,000Expected 2026-05-27
Min.: 1
Mult.: 1
Reel: 5,000

MFR 1.2 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 33K ohm 1% 350V Metal Film Resistor
Datasheet
18,456In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 33 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 220 ohm 1% 350V Metal Film Resistor
Datasheet
11,475In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 220 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 82 ohm 1% 0.5W
Datasheet
11,818In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 82 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 150 ohm 1% 350V Metal Film Resistor
Datasheet
9,764In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 150 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