Resistor > High Power Wire Wound Resistors DDR

High Power Wire Wound Resistors DDR

This heavy-duty, durable, and low-cost High Power Wire Wound Resistor series is for general purpose applications with load power up to 20kW.

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High Power Wire Wound Resistors Applications:
General Power applications – Power Equipment Testing, High Power Circuits, Heating Resistors, Braking Resistors, Snubber Resistors in High Power Snubber Circuits
These are the heavy duty, durable and low-cost resistors for your applications.
DDR-F : High Power Wire Wound Resistors with power from 15W – 20,000W (20kW)
DNR-F : Low Inductance Resistors
DSR-F : Resistance adjustable with a movable ring terminal
DDVR-F : Vitreous Enamel coating type, with power up to 1kW

Precision Resistance Tolerance +/-0.1% +/-0.5% +/-1% +/-5% +/-10%
Suitable for both continuous high power and short time overload dissipation applications
It can customize as High Current Resistors to handle very high loading currents, up to hundreds of amperes.
They can be used as load resistors for load banks.
All resistance values are made according to the customers’ application needs.
Support high current requirement
Support multi-resistances resistor ( Multi Tab Terminals )
Support milli ohm and high resistance ranges
For milli resistance requirements, please state the maximum current and loading duration.
For high resistance value, please state your maximum voltage.
Support Vitreous Enamel coating for harsh conditions applications
Please refer to the Application page for the High Power Resistor application notes.
Prompt Delivery, within 1 – 2 weeks and accept PayPal.

Adjustable Power Resistors–
DSR-F : up to 20kW. Low cost and 7-15 days delivery lead time.
DSR-W : up to 20kW. Adjusting the resistance values by a hand wheel. 1-3 weeks delivery lead time.
DSR-WB : Adjustable Load Box with Hand Wheel, Voltmeter, Ammeter, Watt meter, Thermal Protection, Over Current Protection, Main Power Switch and Cooling System. Rated Power can be up to 50kW.
DSR3-WB (3-phase): Adjustable Load Box with three Hand Wheels, Voltmeters, Ammeters, Watt meters, Ohm meters Thermal Protection, Over Current Protection, Main Power Switch and Cooling System. With Power up to 50kW.
DSR-H : Power up to 5kW. A hand holder is for resistance adjusting. 1-3 weeks delivery lead time.
Please refer to the Power Rheostat page. There are rheostat application tips, limitations and parameter determination notes on the application page – section C.

MFPR supports High Power 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.
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.

DDR-F / DSR-F – Power Wire Wound Resistors
DNR–F – Low Inductance Power Wire Wound Resistors

Power Wire Wound Resistor DDR-F DSR-F drawing

Dimension mm	R	A	B	C	H	p	E	G	f
Tol +/-mm	1	5	5	1	3	3	1	1	1
15W	15	45	66	15	40	13	6	3.5	4.5
20W	15	50	71	15	40	13	6	3.5	4.5
25W	20	50	80	20	50	15	6	3.5	5
30W	20	70	100	20	50	15	6	3.5	5
40W	20	87	115	20	50	15	6	3.5	5
50W	28	90	122	28	68	20	9	4.5	6
80W	28	90	122	28	68	20	9	4.5	6
100W	28	170	202	28	68	20	9	4.5	6
150W	28	215	247	28	68	20	9	4.5	6
200W	28	267	299	28	68	20	9	4.5	6
250W	28	267	299	28	68	20	9	4.5	6
300W	40	267	305	40	90	20	10	4.5	6
400W	40	330	367	40	90	20	10	4.5	6
500W	50	330	370	50	98	20	10	6	8
600W	50 / 60	330	370	50	98	20	10	6	8
700W	50	400	440	50	98	20	10	6	8
800W	70	300	331	70	135	30	15	8	8
1kW	70	300	331	70	135	30	15	8	8
1500W	70	415	446	70	135	30	15	8	8
2kW	70	510 / 430	541 / 470	70	135	30	15	8	8
2500W	70 / 80	600 / 430	631 / 470	70 / 80	135	30	15	8	8
3kW	70 / 80	600 / 430	631 / 470	70 / 80	135	30	15	8	8
4kW	100	430	468	100	185	35	15	8	8
5kW	100	500	538	100	185	35	15	8	8
6kW	100	600	638	100	185	35	15	8	8
10kW	100 / 150	1000 / 600	1040 / 640	152	260	43	30	8	10
12kW	150	660 / 600	700 / 638	152	260	43	30	8	10
15kW	150	660 / 750	700 / 850	152	260	43	30	8	10
20kW	150	1000	1040	152	260	43	30	8	10