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High Pulse Resistors

UT Series - High Temperature

Silicone Coated Power Resistors

Resistance from 0.02 to 260K Ohms

Excellent Pulse Handling (Read more here)

High Temperature: -55°C to +350°C ("V" Rating)

Power Rating 0.1 to 13 Watts

Resistance Tolerances to ±0.01%

Low TCR: ±20ppm/K Standard

MIL-R-26 / MIL-R-39007 Power Ratings

Non-Inductive Windings Available

Specification	Value
Tolerances	±0.01% to ±10% ( 1% Standard )
Temperature Coefficient	>10Ω : ±20ppm/K 1Ω to 10Ω : ±50ppm/K <1Ω : Call Factory
Temperature Range	-55°C to +250°C : Characteristic U -55°C to +350°C : Characteristic V
Dielectric Strength	500 VAC : UT-1 / UT-1/2A / UT-1/2 / UT-1A 1000 VAC : All Others
Construction	Centerless ground ceramic core Tinned copper or copperweld leads High temperature / trivalent / inorganic Silicone coating All welded terminations
Environmental Performance (MIL-STD 202)	∆R
Environmental Performance (MIL-STD 202)	Characteristic U	Characteristic V
Dielectric	±0.2% + 0.05Ω	±0.2% + 0.05Ω
Load Life	±1% + 0.05Ω	±3% + 0.05Ω
Storage	±0.2% + 0.05Ω	±2% + 0.05Ω
Moisture Resistance	±0.2% + 0.05Ω	±2% + 0.05Ω
Thermal Shock	±0.2% + 0.05Ω	±2% + 0.05Ω
5X Overload (5s)	±0.2% + 0.05Ω	±2% + 0.05Ω
Shock	±0.1% + 0.05Ω	±0.2% + 0.05Ω
Vibration	±0.1% + 0.05Ω	±0.2% + 0.05Ω