HT-HPRA250 High-power Thick Film Non-inductive Resistor

Resistance Ranges 0.5Ω – 1MΩ
Resistance Tolerance ±5% to ±10%
Temperature Coefficient Range ±150 PPM/℃ (25℃ – 105℃)
Power Rating at 85℃ 250W at BCT

描述

Product Description

Feature Specification
Design Thick film & Non-inductive
Compliance ROHS compliant
Load Capability High wattage and pulse loading
Installation Ease Easy load connecting with M4 or M5 screws
Material Standards Materials in accordance with UL 94 V-0
应用案例 Power supplies, control devices, robotics, motor control, and other power designs
Applicable Standards IEC60115-1:2001 (GB/T5729-2003), MIL-STD-202, MIL-R-39009D
Dimensions (mm) 57 x 36 x 25.2
Mounting Holes 2x M6, 2x M4
Useful Depth 15.2 ± 0.5 mm

Technical and Standard Electrical Specifications

Parameter Value
Resistance Ranges 0.5Ω – 1MΩ
Resistance Tolerance ±5% to ±10%
Temperature Coefficient Range ±150 PPM/℃ (25℃ – 105℃); other requirements negotiable
Power Rating at 85℃ 250W at BCT
Max. Working Voltage 5000V DC
Peak Current Up to 1500 Amp, depending on pulse length and frequency
Electric Strength Voltage 6kVrms, 50Hz, up to 8kVrms upon request
Insulation Resistance Min. 10GΩ at 500V
Creeping Distance Min. 42 mm
Air Distance Min. 14 mm
Inductance ≤60 nH
Capacity/Mass ≤110 pF
Capacity/Parallel ≤40 pF
Moisture Resistance 56 days/40℃, RH≥95%, ΔR≤± (0.25% + 0.001 Ω)
Temp. Cycling -55℃/+125℃ (each 0.5h), 5 cycles, ΔR≤±(0.2%+0.001Ω)
High-Frequency Vibration MIL-Std-202, Method 204, cond. D, ΔR≤±(0.2% + 0.001 Ω)
Short Time Overload 400W, 70°C, 10 seconds, ΔR≤±(0.4%+ 0.001 Ω)
Working Temperature Range -55℃ to 175℃