**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 :**

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.

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 form by two 150W Resistors |

500W | 200 | 62 x 360 / 27 x 510 or form 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.