POWER RESISTORS RHA Series: Aluminum Housed Resistor INTRODUCTION PART NUMBER EXAMPLE •Small size, high power rating and performance •Excellent space factor •Strongly resistant to moisture, solvent & insulation. •Self-extinguish material is used in molding. N RHA 250W - 10R - J •For non-inductively wound, use “N” prefix on the part number. ELECTRICAL CHARACTERISTICS Test Items Short Time Overload Moisture Resistance Moisture Load Life Test Conditions Specifications 5X wattage rating, 5 sec. R±(0.5%+0.05 ) max 40°C, moisture 95%, 100Vdc 500hr R±(0.5%+0.05 ) max 40°C, moisture 95%, 1/10 X rated wattage R±(0.5%+0.05 ) max 1000Hr on-off 1000Hr on-off R±(1.5%+0.05 ) max 1000Hr on-off R±(0.2%+0.05 ) max 275°C 2hrs R±(0.5%+0.05 ) max 5 - 25W: 1000V, 50W: 1500V, 100 - 25W: 2500V R±(0.2%+0.05 ) max 500Vdc 1000M min 5 - 50W: 30 sec @ 4.5Kg, 100W: 5 sec @ 27Kg R±(0.2%+0.05 ) max 250W: 5 sec @ 36Kg Load Life Vibration Heat Resistance Dielectric Strength Insulation Resistance Terminal Strength SPECIFICATIONS Part Number MIL Spec (N)RHA5W (N)RHA10W (N)RHA25W (N)RHA50W (N)RHA100W (N)RHA250W RE60 RE65 RE70 RE75 RE77 RE80 Resistance Range ( ) Max Working Inductive NonVoltage (V) Inductive (N) Inductive Non-Ind.(N) 0.005 ~ 3K 0.1 ~ 1K 120 70 0.02 ~ 6K 0.03 ~ 2.3K 245 180 0.012 ~ 15K 0.02 ~ 5.5K 500 300 0.01 ~ 40K 0.02 ~ 12K 1300 600 0.4 ~ 50K 0.12 ~ 25K 1900 1340 0.6 ~ 80K 0.15 ~ 40K 2500 1750 DIMENSIONS (5W to 100W) Max Weight (g) 3 7 15 33 450 800 DIMENSIONS (250W)(mm) RHA100 connector. Part Number L1 L2 RHA5 28.6 15.3 ±1 RHA10 35 19 ±1 RHA25 49 27 ±1 RHA50 70 50 ±1 RHA100 139 ±2 89 ±0.5 RHA250 L3 L4 11.3 ±0.8 2 ±0.5 14.3 ±0.8 2.35 ±0.5 18.3 ±0.8 4.35 ±0.5 39.7 ±0.8 5.15 ±0.5 69.8 ±0.2 9.6 ±0.5 A 16.5 ±1 20.4 ±1 27.2 ±1 29.2 ±1 71.5 ±0.5 Dimensions(mm) B C D E H h T W 12.4±0.8 8.5 ±1 1.3 ±0.1 2.4 ±0.3 8.2 ±1 4±1 1.6 ±1 6.7 ±1 15.9±0.8 11±1 2.2 ±0.1 2.4 ±0.3 10±1 5±1 2±1 8.0 ±1 19.8±0.8 14±1 2.2 ±0.1 3.2 ±0.3 14±1 6.5 ±1 2±1 11.0±1 21.5±0.8 16±1 2.2 ±0.1 3.2 ±0.3 16±1 7±1 2±1 10.0±1 57.1 ±.2 46±0.5 N/A 4.8 ±0.2 44.5 ±0.5 20±0.5 5±0.5 25.0 ±0.5 See Illustration Above RFE International • Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail [email protected] b 6.2 ±1 8.0 ±1 9.9 ±1 10.8 ±1 28.6 ±0.5 C2E05 REV 2002.05.08