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Fabricante: HVR

Serie RT/RL 2W

RT/RL 2W Series

The RT/RL series of non-inductive, composite ceramic resistors are ideal for electrical circuit assemblies with impacts, high maximum power, or high energy requirements, replacing carbon resistors that may be difficult to obtain.

They offer improved performance in high-voltage power supplies, R-C snubbers, and startup limiters.

In pulsed applications, these compact resistors evenly distribute energy through their structure, reducing thermal stress. The result is increased reliability and, in many cases, reduced size compared to wirewound and foil resistors. The epoxy resin coating ensures resistance to dissolving, allowing operation in almost any conditions, and the choice of axial or radial construction offers practical usability.

Technical Specification

Part Number Model Resistance Range Pulse Voltage Rated Power Energy L max D max Lead Diameter (AWG)
(Ohm) (Volt) (Watt) (Joule) (mm) (mm)
RT815AXXXL Axial 22-68K 3500 1.0 30 15.5 5.0 20
RT818AXXXL Axial 10-47K 7500 2.0 70 18.5 8.0 20
RL818AXXXL Radial 18-47K 7500 2.0 70 18.5 8.0 20


Technical Data

Parameter Maximum ΔR Test Method
Life Test + 5.0% MIL-STD-202F 108A method, except 25°C 1000 h at rated power 1.5 h ON, 0.5 h OFF
Single Energy Pulse +/- 1.5% Single 1s pulse at 100% rated energy
Short Overload +/- 2.5% 5x rated power 2s ON 5s OFF 5 cycles
Long Overload High Temperature +/- 2.0% 1000 h at 150 ˚C
Thermal Shock Cycle +/- 2.0% MIL-STD-202F 107D method, -55˚C to +125˚C. 5 cycles
Humidity Resistance +/- 1.0% 90% - 95% rh at 40˚C, 1000 h
T. C. R. +/- 1500 ppm Two measurement points at 20˚C and 150˚C
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RT/RL 2W Series

The RT/RL series of non-inductive, composite ceramic resistors are ideal for electrical circuit assemblies with impacts, high maximum power, or high energy requirements, replacing carbon resistors that may be difficult to obtain.

They offer improved performance in high-voltage power supplies, R-C snubbers, and startup limiters.

In pulsed applications, these compact resistors evenly distribute energy through their structure, reducing thermal stress. The result is increased reliability and, in many cases, reduced size compared to wirewound and foil resistors. The epoxy resin coating ensures resistance to dissolving, allowing operation in almost any conditions, and the choice of axial or radial construction offers practical usability.

Technical Specification

Part Number Model Resistance Range Pulse Voltage Rated Power Energy L max D max Lead Diameter (AWG)
(Ohm) (Volt) (Watt) (Joule) (mm) (mm)
RT815AXXXL Axial 22-68K 3500 1.0 30 15.5 5.0 20
RT818AXXXL Axial 10-47K 7500 2.0 70 18.5 8.0 20
RL818AXXXL Radial 18-47K 7500 2.0 70 18.5 8.0 20


Technical Data

Parameter Maximum ΔR Test Method
Life Test + 5.0% MIL-STD-202F 108A method, except 25°C 1000 h at rated power 1.5 h ON, 0.5 h OFF
Single Energy Pulse +/- 1.5% Single 1s pulse at 100% rated energy
Short Overload +/- 2.5% 5x rated power 2s ON 5s OFF 5 cycles
Long Overload High Temperature +/- 2.0% 1000 h at 150 ˚C
Thermal Shock Cycle +/- 2.0% MIL-STD-202F 107D method, -55˚C to +125˚C. 5 cycles
Humidity Resistance +/- 1.0% 90% - 95% rh at 40˚C, 1000 h
T. C. R. +/- 1500 ppm Two measurement points at 20˚C and 150˚C
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