Resistor > High Voltage Power Resistor DHVR DHVRC

High Voltage Power Resistor DHVR DHVRC

DHVR High Voltage Power Resistor series is for high voltage general purpose applications.
DHVRC High Voltage Pulse Resistors series is for high voltage pulse power applications.

High Voltage Power Resistor Applications :
High Voltage dividers, Bleeder Resistors, Voltage Balancing, Voltage Regulations and Measuring resistors
Electrostatics and medical equipment
Overvoltage Protections
High Voltage Capacitor Discharge resistors
Power Supplies, ESD protections, Air Ionizing equipment, RADAR equipment
High Voltage Snubber Resistors in Snubber Circuits
High Voltage Multiplier Resistors

General Characters :
Vitreous Enamel coating for better resistor protection
Non-Inductive design

High Voltage Power Resistor : DHVR series
for general purpose high voltage applications
DHVR – a type : 0.5W – 25W
DHVR – b, c, and d types : 30W – 500W
Voltage can be up to 150kV – depending on SQR( Watt * Ohm )
Standard resistance range : 100 ohm ~ 100G ohm
Possible resistance tolerance : +/-1%, +/-2%, +/-5%, and +/-10%

Resistor Package types :

High Voltage Resistor drawing

High Voltage Resistor DHVR

Rated Power Wattage 70C Resistor
Package
type
Dimensions in mm * Resistance
ohm
Temperature
Coefficient
ppm/C **
max. Pulse Voltage KV ###
L D l d
0.5W a 7 2.5 30+/-1 0.6 10k~50M <=250 0.35
1W a 13+/-1 4.5 30+/-1 0.8 10k~100M <=250 2.5
2W a 17+/-1 6.5 30+/-1 0.8 10k~100M <=250 4.0
3W a 25+/-1 8 30+/-1 0.8 10k~500M <=250 4.8
4W a 35 8 30+/-1 0.8 10k~500M <=250 10
5W a 37 / 42 +/-1 11 30+/-1 1 100k~3G <=250 8 / 10
10W a 71 / 84 +/-2 11 / 12 30+/-1 1 5k~10G <=250 25 / 32
20W a 103 / 114 +/-2 11 / 12 30+/-1 1 5k~20G <=250 40 / 45
25W a 126 / 138 +/-2 11 / 12 30+/-1 1 5k~40G <=250 50 / 55
30W b c d 90+/-2 16 M5 5k~5G +/-250 25
40W b c d 100+/-2 27 M5/6 5k~10G +/-250 30
50W b c d 133+/-2 27 M5/6 10k~40G +/-250 45
60W b c d 160+/-2 27 M5/6 20k~60G +/-250 58
70W b c d 180+/-2 27 M5/6 20k~60G +/-250 62
80W b c d 200+/-2 27 M5/6 50k~60G +/-250 68
90W b c d 210+/-2 27 M5/6 50k~75G +/-250 82
100W b c d 260 / 150 +/-2 27 / 35 M5 / 6 / 8 50k~85G +/-250 100
150W b c d 310/ 210+/-2 / 154+/-2 30 / 28 / 60 M5 / 6 / 8 50k~100G +/-250 130 / 55
200W b c d 260+/-2 / 210+/-2 28 / 42 M8 50k~100G +/-250 82
250W b c d 270+/-2 / 180+/-2 42 / 60 M8 50k~100G +/-250 110 / 62
300W b c d 310+/-2 37 M8 50k~100G +/-250 130
400W b c d 360 +/-2 60 M8 50k~100G +/-250 180
400W by 200W x 2 b c d 420 +/-2 42 M8 50k~100G +/-250 82 / 180
500W b c d 360 +/-2 62 M10 50k~100G +/-250 240
500W by 250W x 2 b c d 540 +/-2 42 M8 50k~100G +/-250 110 / 240

 

* Resistor sizes might vary depending on pulse voltage, load current, pulse ratings and ambient temperature, etc.
** Support lower Temperature Coefficient 50ppm, 150ppm and 250ppm requirement.
### For a given rated power resistor, the actual max. pulse voltage depends on the rated resistance value, pulse width, duty cycle, duration between two adjacent pulses, number of pulses per second / minute and ambient temperature.
If any resistor power and resistance that are not listed above, please contact us for details.

High Voltage Pulse Power Resistor : DHVRC : up to 500W
for high voltage pulse current, medium frequency and pulse power dissipation applications
Resistance range : 1 ohm to 5k ohm
Tolerance : +/-5% and +/-10%
Temperature Coefficient : +/-50ppm/C, +/-200ppm/C
Support lower temperature coefficient applications.
Resistor package type : c
For a given rated power, the actual max. pulse voltage depends on the rated resistance value – The Ohm’s Law.

High Voltage Resistor DHVRC

Rated Power  Wattage 70C max. Pulse Voltage kV # Dimensions D x L in mm *
20W 0.5 25 x 50 / 27 x 60
30W 25 25 x 70 / 27 x 80
50W 40 25 x 125 / 27 x 135
60W 52 25 x 150 / 27 x 160
70W 60 25 x 172 / 27 x 180
80W 78 25 x 200 / 27 x 210
100W 100 25 x 250 / 27 x 260
150W 125 25 x 300 / 30 x 310
170W 55 60 x 154 / 60 x 154
200W 82 60 x 180
250W 180 42 x 270 30 x 452
300W 125 37 x 310 or
f
orm by two 150W Resistors
500W 200 62 x 360 / 27 x 510 or
f
orm by two 250W Resistors

* Resistor sizes might vary depending on pulse voltage, load current, pulse ratings and ambient temperature, etc.
# For a given rated power resistor, the actual max. pulse voltage depends on the rated resistance value, pulse width, duty cycle, duration between two adjacent pulses, the number of pulses per second / minute and ambient temperature. 
If any resistor power and resistance that are not listed above, please contact us for details.

If the resistor will be immersed in high voltage insulation oil or SF6, please let us know. We support this requirement.
Higher resistor power can be achieved by connecting resistors in series or parallel.
Resistance values are made according to customers’ application needs.
For High Power Resistor application note, please refer to the Application page.

MFPR supports High Voltage Power 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 15 – 35 days, depending on order quantity, material and production status.
Accept small, bulk quantity orders and PayPal.
Our company also supports high voltage capacitors.