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Wire Wound Resistors

Wire Wound Resistor KNP

Wire Wound Resistors with different packaging, preformed, bulk pack, tape in reel and tape in box for options.  Prompt Delivery and Good Price.

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Wire Wound Resistor Applications :
General applications, DC Voltage, Low Frequency circuits and Snubber Resistors for snubber circuits ( the Low Inductive series )

KNP : Wire Wound Resistors with a lead wire at the resistor two ends
KNT : Wire Wound Resistors with a supportive terminal at the resistor two ends – good for high pulse current and mounting

Wire Wound Resistors power range : 1/2W – 30W
Support bulk, tape in box and tape in reel packaging
Support high resistance values
Support pulse current requirement
Low inductance version is available : NKNP / NKNT
Support precision resistance Tolerance : +/-0.1% +/-0.5% +/-1% +/-5% +/-10%
Support resistor with wattage, resistance and resistor size not listed below

MFPR supports Wire Wound Resistors with various specifications for different applications.
Similar circuit designs can have very different resistor electrical and mechanical profile requirements. Please feel free to send your application details to us for a resistor suggestion and quotation.
There are more resistor application suggestions on the Technical Consideration page.
Our average production lead time is about 1 – 3 weeks, depending on order quantity, material and production status.
Accept small, bulk quantity orders and PayPal.

KNP Wire wound Resistor drawing

Wire Wound Resistor – KNP and NKNP :

Power range KNP & NKNP dimension Resistance range ohm Dielectric Voltage
D+/-0.5mm L+/-1mm lead length (l) mm +/-3mm lead wire diameter d mm KNP NKNP
1/2W 3.5 9 25 0.65 0.1 – 82 0.05 – 41 300V
1W 4.5 10.5 25 0.65 0.2 – 100 0.05 – 50 300V
1Ws 3.5 9 25 0.65 0.1 – 82 0.05 – 41 300V
2W 5 15 25 0.78 0.1 – 220 0.05 – 110 350V
2Ws 4.5 10.5 25 0.78 0.1 – 100 0.05 – 50 300V
3W 6 17 25 0.78 0.1 – 510 0.05 – 255 400V
3Ws 5 15 25 0.78 0.1 – 220 0.05 – 110 350V
5W 8 24 25 0.78 0.1 – 1.5k 0.05 – 750 500V
5Ws 6 17 25 0.78 0.1 – 510 0.05 – 255 400V
7W 8 31 25 0.78 0.1 – 3k 0.05 – 1.5k 500V
7Ws 8 24 25 0.78 0.1 – 1.5k 0.05 – 750 500V
8W 8 31 25 0.78 0.1 – 3k 0.05 – 1.5k 500V
8Ws 8 24 25 0.78 0.1 – 1.5k 0.05 – 750 500V
10W 8 41 25 0.78 0.1 – 8k 0.05 – 4k 500V
10Ws 8 31 25 0.78 0.1 – 3k 0.05 – 1.5k 500V
15W 8 52 25 0.78 0.1 – 10k 0.05 – 5k 500V
20W 8 61 25 0.78 0.1 – 12k 0.05 – 6k 500V
25W 8 61 25 0.78 0.1 – 12k 0.05 – 6k 500V
30W 8 70 25 0.78 0.1 – 15k 0.05 – 7.5k 500V

KNT Wire Wound Resistor drawing

Wire Wound Resistor with large supportive Terminals : KNT and NKNT :

Power range KNT & NKNT dimension Resistance range ohm Dielectric Voltage
D +/-0.1 mm L +/-1mm height h mm pitch p mm g in mm t in mm KNT NKNT
2.5W 5 19 10 10 4 1 0.1 – 220 0.05 – 110 300V
4W 5 24 10 15 4 1 0.1 – 220 0.05 – 110 400V
5W 8 24 23 14 4.5 3 0.1 – 1.5k 0.05 – 750 500V
6W 8 24 23 14 4.5 3 0.1 – 1.5k 0.05 – 750 500V
7W 8 31 23 22 4.5 3 0.1 – 3k 0.05 – 1.5k 500V
8W 8 31 23 22 4.5 3 0.1 – 3k 0.05 – 1.5k 500V
10W 8 41 23 32 4.5 3 0.1 – 8k 0.05 – 4k 500V
15W 8 52 23 42 4.5 3 0.1 – 10k 0.05 – 5k 500V
20W 8 61 23 52 4.5 3 0.1 – 12k 0.05 – 6k 500V
25W 8 61 23 52 4.5 3 0.1 – 12k 0.05 – 6k 500V
30W 8 70 23 62 4.5 3 0.1 – 15k 0.05 – 7.5k 500V

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