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 43K ohm 1% 0.5W
Datasheet
19,396In Stock
Min.: 1
Mult.: 1
: 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
18,975In Stock
Min.: 1
Mult.: 1
: 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 47 ohm 1% 350V Metal Film Resistor
Datasheet
25,651In Stock
Min.: 1
Mult.: 1
: 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
24,695In Stock
Min.: 1
Mult.: 1
: 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 15 ohm 1% 0.5W
Datasheet
23,216In Stock
Min.: 1
Mult.: 1
: 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 1.8K ohm 1% 350V Metal Film Resistor
Datasheet
20,782In Stock
Min.: 1
Mult.: 1
: 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 150 ohm 1% 350V Metal Film Resistor
Datasheet
9,742In Stock
Min.: 1
Mult.: 1
: 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
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 15K ohm 1% 350V Metal Film Resistor
Datasheet
15,176In Stock
Min.: 1
Mult.: 1
: 5,000

MFR 15 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 1M ohm 1% 350V Metal Film Resistor
Datasheet
16,524In Stock
Min.: 1
Mult.: 1
: 5,000

MFR 1 MOhms 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 36K ohm 1% 350V Metal Film Resistor
Datasheet
13,533In Stock
Min.: 1
Mult.: 1
: 5,000

MFR 36 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 68K ohm 1% 0.5W
Datasheet
15,115In Stock
Min.: 1
Mult.: 1
: 5,000

MFR 68 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 180 ohm 1% 350V Metal Film Resistor
Datasheet
13,250In Stock
Min.: 1
Mult.: 1
: 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
14,116In Stock
Min.: 1
Mult.: 1
: 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 4.7 ohm 1% 350V Metal Film Resistor
Datasheet
11,754In Stock
Min.: 1
Mult.: 1
: 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
10,884In Stock
Min.: 1
Mult.: 1
: 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 820 ohm 1% 350V Metal Film Resistor
Datasheet
18,694In Stock
Min.: 1
Mult.: 1
: 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 220 ohm 1% 350V Metal Film Resistor
Datasheet
11,514In Stock
Min.: 1
Mult.: 1
: 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
11,753In Stock
Min.: 1
Mult.: 1
: 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 1.2K ohm 1% 350V Metal Film Resistor
Datasheet
12,978In Stock
15,000Expected 2026-12-10
Min.: 1
Mult.: 1
: 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 2.2 kOhm 1% 350V Metal Film Resistor
Datasheet
16,291In Stock
Min.: 1
Mult.: 1
: 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 33K ohm 1% 350V Metal Film Resistor
Datasheet
16,764In Stock
Min.: 1
Mult.: 1
: 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 10 ohm 1% 350V Metal Film Resistor
Datasheet
15,138In Stock
Min.: 1
Mult.: 1
: 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 2K ohm 1% 0.5W
Datasheet
14,717In Stock
Min.: 1
Mult.: 1
: 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 330 ohm 1% 350V Metal Film Resistor
Datasheet
15,494In Stock
Min.: 1
Mult.: 1
: 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 100K ohm 1% 350V Metal Film Resistor
Datasheet
16,527In Stock
Min.: 1
Mult.: 1
: 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