WRC SERIES • POWER TYPE WIRE WOUND CEMENT RESISTOR WITH GLASS ROD → WGR • POWER TYPE WIRE WOUND CEMENT RESISTOR WITH CERAMIC ROD → WCR • POWER TYPE CEMENT RESISTOR WITH METAL OXIDE FILM RESISTOR → WMR ■R-TYPE Resistance Range Dimensions(mm) Type Power Rating WCR WMR A ± 1.0 B ± 1.0 C ± 1.0 P ± 1.0 d WRC 2R 2W 0.1-20 20-100K 11 7.5 20.5 5.0 0.8 WRC 3R 3W 0.1-20 20-100K 11 7.5 20.5 5.0 0.8 WRC 5R 5W 0.1-50 50-100K 12.7 10 25.4 5.0 0.8 WRC 7R 7W 0.1-100 100-100K 12.7 10 38.6 5.0 0.8 E-24-J(± 5%) or G(± 2%) ■RT-TYPE ± ■STICK CASE W×H×L(mm) 9.8×29.2×580 Remarks 50 2W,3W 40 5W Q’ty(PCS) ± ± ± 86 ± ± ■DIMENSIONS Unit: mm A ± 0.2 B ± 0.2 C±1 D ± 0.5 E ± 0.3 F ± 0.5 G ± 0.5 2RT 5.0 3.0 20.5 11.0 3.5 4.5 7.5 3RT 5.0 3.0 20.5 11.0 3.5 4.5 7.5 Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before your order and/or use. ■P-TYPE 1.5Max ¿d H L W Resistance Range Dimensions(mm) Type Power Rating WGR WCR WMR L ± 1.5 ℓ± 3 W ± 1.0 H ± 1.0 d WRC 2P 2W 0.1~20 0.1~20 20-100K 17.5 27 6.4 6.4 0.8 WRC 3P 3W 0.1~20 0.1~20 20-100K 22 25 8.0 8.5 0.8 WRC 5P 5W 0.1~30 0.1~30 30-100K 22 25 9.5 9.5 0.8 WRC 7P 7W 0.1~50 50-100K 35 25 9.5 9.5 0.8 WRC 10P 10W 0.1~300 300-100K 48 25 9.5 9.5 0.8 WRC 15P 15W 0.1~500 500-100K 48 25 12.5 12.5 0.8 WRC 20P 20W 0.1~600 600-100K 63 25 12.5 12.5 0.8 J(± 5%), G(± 2%) or F(± 1%) W1 L H1 H2 P 0.4t 0.75 1.4 ± 0.2 W Dimensions(mm) Power Rating J( ± 5%) or F( ± 1%) L±1 P±1 W1 ± 0.5 W2 ± 0.5 H1 ± 1 H2 ± 1 WRC 5MS 5W 0.1~100K 27 10/15 9.5 5/7.5 9.5 15 WRC 7MS 7W 0.1~100K 35 20/22.5 9.5 5/7.5 9.5 15 Type WRC 10MS 10W 0.1~100K 48 30/35 9.5 5/7.5 9.5 15 WRC 15MS 15W 0.1~100K 48 35 12.5 5/7.5 12.5 15 WRC 20MS 20W 0.1~100K 62.5 45 13.5 5/7.5 12.5 15 ■MD-TYPE FIXED RESISTORS Resistance Range 1.6 ± 0.2 4.5 ± 0.5 ■MS-TYPE W1 L H1 0.5 H2 1.5 ± 0.4 (2 ± 0.4) 1.5 4.5 ± 0.5 W2 7.3 ± 0.3 P Type WRC 5MD Resistance Range 3.5(5.0) 1 ± 0.2 (1.5 ± 0.2) Dimensions(mm) Power Rating J(± 5%) or F(± 1%) L±1 P±1 W1 ± 1 W2 ± 1 H1 ± 1 H21- 1 5W 0.1~100K 27 15 9.5 7.3 9.5 15 +2 WRC 7MD 7W 0.1~100K 35 22.5 9.5 7.3 9.5 15 WRC 10MD 10W 0.1~100K 48 35 9.5 7.3 9.5 15 Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before your order and/or use. 87 WRC SERIES ■L(LUG-TYPE) ± Type Power Rating Resistance Range Dimensions(mm) J( ± 5%) L ± 1.5 L1 ± 1.2 L2 ± 1.2 W ± 0.6 W1 H1 ± 0.7 WRC 10L 10W 0.1~100K 48 13 35 9.5 6 9.5 20 WRC 15L 15W 0.1~100K 48 25 35 12.5 6 12.5 20 WRC 20L 20W 0.1~100K 63.5 25 48 12.5 6 12.5 20 WRC 25L 25W 0.1~100K 63.5 25 48 16 6/7.5 15.7 24/28 H2 ± 1.7 ■LA-TYPE Resistance Range Power Rating Type Dimensions(mm) J( ± 5%) WGR WCR WMR WRC 10LA 10W 0.1~600 0.1~600 600~75K WRC 15LA 15W 0.1~800 800~68K P2 P3 20W 0.1~1K W3 L3 K D 0.6 6.0 ± 0.5 8.0 0.1~800 WRC 20LA W2 3.0 ± 0.5 12 24 ± 0.5 2.8 ± 0.3 0.8 1K~50K ■V-TYPE Resistance Range Dimensions(mm) Type Power Rating F( ± 1%) or J(± 5%) L1 ± 1 L2 ± 1 L3 ± 1 L4 ± 1 H1 ± 1 H2 ± 1 H3 ± 1 W1 ± 1 W2 ± 1 WRC 7V 7W 0.1~100K 49 10 4 5 1.5 11 9 9.5 1.5 10 WRC 10V 10W 0.1~100K 62 10 4 5 1.5 11 9 9.5 1.5 10 W3 ± 1 ■HOW TO ORDER 88 WRC 5 R 10 Ω J ABCO Code Power Rating Type Resistance Tolerance Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before your order and/or use. ■VOLTAGE RATING Resistor shall have a rated DC or RMS continuous working voltage at commercial line frequence and wave from corresponding to the power rating, as determined from the following formula E: Rated continuous working voltage P: Power rating E = PX R R: Nominal resistance ■POWER RATING Resistor shall have a power specified on table and based on continuous full-load operation at an ambient temperature of 75˚C for 2W, 40˚C for 3W through 10W, 25˚C for over wattage. For resistors operated at an ambient temp. exceeding these specified level, the load shall be derated in accordance with Fig. 1 below. 100 Rated Load(%) 2W 75 3 • 5 7 • • 10W 50 15 • 20W 25 0 25 40 50 75 100 150 155 200 250 275 Ambient Temperature(˚C) ■SURFACE TEMPERATURE RISE Surface Temp. Rise 20W 250 15W 10W 200 7W 5W 150 3W 100 2W 50 0 20 40 60 80 100 120 Rated Load(%) ■PERFORMANCE CHARACTERISTICS Item Load life Moisture load life Max. permissible deviation -25˚C ~ +155˚C No mechanical damage ± (5% + 0.05 Ω) No mechanical damage No arcing or breakdown ± (5% + 0.05Ω) Dielectric Withstanding voltage No mechanical damage ± (2% + 0.05Ω) Thermal shock No mechanical damage ± (5% + 0.05Ω) Short time over load FIXED RESISTORS Operating temp. range No mechanical damage ± (2% + 0.05Ω) Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before your order and/or use. 89