RHA RFE | Alldatasheet
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Technical content
RHA Series: Aluminum Housed Resistor
FEATURES
RFE International • Tel (949) 833-1988 • Fax (949) 833-1788 • E-mail sales@rfeinc.com Small size, high power rating and performance Excellent space factor Strongly resistant to moisture, solvent & insulation. Self-extinguish material is used in molding. Standard winding and non-inductive winding types High stability, strong construction, ultra precision OUTLINE DIMENSIONS A-Type B-Type C-Type D-Type E-Type F-Type DIMENSIONS AND RANGE Series Power Rating (Watts @ 25°C) Dimensions (mm) Type Resist. Range Ref. RHAS-100W 100 98 66 35 4.5 47 36 25 13 3.2 15 M4 E 0.01~ 50K RHA-250W 250 178 114 76 5.2 77 57.8 54.5 25±1 5 32 M6 F 0.01~ 50K RE80
RFE International • Tel (949) 833-1988 • Fax (949) 833-1788 • E-mail sales@rfeinc.com Power Resistors RHA Series: Aluminum Housed Resistor THERMAL CHARACTERISTICS (Ta=25 Unless otherwise specified SURFACE TEMP. RISE (℃) 100 POWER GRAPH 150 100 HOT-SPOT 300W 250W 100W 100WS 80W 50W 25W 10W 25 75 125 175 225 275 0 0 20 40 60 80 100 Rated Load(%) Ambient Temperature ℃ APPLIED LOAD % OF RCWV ELECTRICAL CHARACTERISTICS (Ta=25 Unless otherwise specified Load Time (Second) 1 2 3 4 5 10 30 60 180 300 600 900 Power Incerase 2600 2000 1600 1400 1300 1000 600 450 200 150 120 110 SHORT-TIME OVERLOAD RATING Characteristics Limits Test Methods Resistance Tolerance Resistance Tolerance 0Ω1~100KΩ JIS-C-5202 5-1 Temperature Coefficient ± 200ppm/ °C max. JIS-C-5202 5-2b Power Rating Load ΔR/R≤±(1%+0.05Ω) Surface JIS-C-5202 5-4 Short-Time Overload ΔR/R≤±(2%+0.05Ω) JIS-C-5202 5-5 Insulation Resistance DC500V 100MΩ min JIS-C-5202 5-6 Dielectric Withstanding Voltage AC3000V 60Sec. JIS-C-5202 5-7
RHA Series: Aluminum Housed Resistor C2E05 12-11-2020 Page 3 of 3 RFE International • Tel (949) 833-1988 • Fax (949) 833-1788 • E-mail sales@rfeinc.com PERFORMANCE PART NUMBERING CODE RHA 50W 5K0 J Type Power Rating Resistance Tolerance (NRHA for non-inductive wound) 5W 1Ω = 1R0 F± 1% 10W 10Ω = 10R G± 2% 25W 100Ω = 100R J± 5% 50W 1KΩ = 1KR 85W 5KΩ = 5K0 100W 50KΩ = 50K 250W Parameters Test Conditions Specifications Short time Over Load 5X wattage rating-5sec △ R±(0.5%+0.05Ω)MAX Moisture Resistance Temp 40℃ moisture 95% DC100V 500HR △ R±(0.5%+0.05Ω)MAX Moisture Load Life Temp 40℃ moisture 95% 1/10X Wattage rating (1.5Hr ON-0.5Hr OFF)-Repeat 1000Hr △ R±(0.5%+0.05Ω)MAX Load Life Load Rating(chass is mounted) (1.5Hr ON 0.5Hr OFF) -Repeat 1000Hr △ R±(1.5%+0.05Ω)MAX Vibration 10c/s~50c/s~10c/s(lmin)2Hr each of paralleled and right angle △ R±(0.2%+0.05Ω)MAX Heat Resistance 275℃ 2Hr △ R±(0.5%+0.05Ω)MAX Dielectric Strength RHA-5, RHA-10, RHA-25 1000V RHA-50 1500V RHA-100 RHA-250 2500V △ R±(0.2%+0.05Ω)MAX Insulation Resistance Under the same test condition of Dieletric Strength Load DC500v and measure the insulation 1000M Ω min Terminal Strength Pull Test (30 sec Min) RHA-50 1kg, RHA-10 2.3kg, RHA-25, RHA-50 4.5kg Torque Test (5~15sec), RHA-100 27kg-cm, RHA-250 36Kg-cm △ R±(0.2%+0.05Ω)MAX