WH/WN Series Miniature Molded Wirewound F e at u r e s •WH precision series •WN Aryton Perry winding Non-Inductive series: Inductance <1nH at 1MHZ test, •Designed to meet MIL-R-26F, MIL-STD-202 standard requirements •Manufacturing process -Wire winding/ Spot Welding- by Computer Numerical Control (CNC) machine tools to ensure consistency of product quality. •Encapsulated by epoxy molding compound •Advanced IC encapsulation mold/die technologies S ERIE S S P ECI F ICATI O N S characteristics Power Resistance Rating Range Weight Type (watts) (Ω) (g/1000pc) WHA 0.5 0.100 - 1.0K 216 WNA 0.100 - 250 WHB 1 0.100 - 4.0K 296 WNB 0.100 - 1.0K WHC 2 0.10 - 8.0K 712 WNC 0.10 - 2.0K WHD 3 0.10 - 25K 1160 WND 0.10 - 5.0K WHE 5 0.10 - 50K 2920 WNE 0.10 - 10K Ceramic Core CeramTec Rubalit® 85% alumina End Caps Stainless steel, precision formed Leads Copper wire,100% Sn (lead free) coated Resistance Wire ISAOHM® wire TC ±20ppm/°C Encapsulation SUMICON 1100/1200 Epoxy molding compound for IC encapsulation Standard Tolerance D (0.5%), F (1.0%), J (5.0%) Temperature ±90 for 0.100Ω-0.99Ω, ±50 for Coefficient (ppm/°C) 1.00Ω-10.00Ω, ±20 for >10.00Ω Maximum Working (PxR)1/2 Voltage Derating Linearly from 100% @ +70°C to 0% @ +150°C. Operating Temp -55°C to +150°C d i m e ns i ons 0.984 / 25 L � D d Packaging � Type Wattage L D WH/NA 0.5 5.08 / 0.200 2.54 / 0.100 WH/NB 1 7.00 / 0.276 3.30 / 0.130 WH/NC 2 11.4 / 0.450 4.57 / 0.180 WH/ND 3 13.54 / 0.530 5.50 / 0.216 WH/NE 5 20.00 / 0.790 7.50 / 0.295 d 0.60 / 0.024 0.60 / 0.024 0.80 / 0.031 0.80 / 0.031 1.00 / 0.039 Tape Width Pitch 64 / 2.520 5.0 / 0.197 64 / 2.520 5.0 / 0.197 64 / 2.520 10 / 0.393 84 / 3.307 10 / 0.393 84 / 3.307 10 / 0.393 Reel Pc/ Diam. reel 290 / 11.41 1000 290 / 11.41 1000 290 / 11.41 1000 290 / 11.41 500 290 / 11.41 500 (continued) 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected] 101 WH/WN Series Miniature Molded Wirewound p e r fo r m a n c e c h a r a c t e r i s t i c s Test Conditions of Test Performance Thermal shock Environmental chamber, -55°C +0°C, -3°C to 150°C +3°C, -0°C, ±(1.0% + 0.5mΩ)ΔR 5 cycles, minimum 15 min. at each extreme Short-time overload Overload voltage 5x rated wattage for 5 sec. Solderability Bath temp. 260°C ±5°, immersion time 5 sec. ±0.5, JIS C 5201 4.18 Resistance to solder Bath temp. 260°C ±5°, immersion time 5 sec. ±0.5, JIS C 5201 heat 4.18 Dielectric withstanding Magnitude of test voltage >500 volts rms.; duration 1 min. voltage Insulation resistance Magnitude of test voltage 500 volts rms. ±10%; duration 1 min. ±(0.5% + 0.5mΩ)ΔR >90% of contact face covered new solder ±(0.5% + 0.5mΩ)ΔR Pass >109Ω High Temperature Exposed to an ambient temperature of 175°C +5°/-0° for 250 ±8 ±(1.0% + 0.5mΩ)ΔR Exposure hours Low Temperature At a temperature of -65°C ±2° for a period of 24 hours ±4 Storage ±(0.5% + 0.5mΩ)ΔR Life Test temp. at 70°C ±2°, rated DC continuous working voltage applied, 1.5 hours on and 0.5 hours off, 1000 hours ±(2.0% + 0.5mΩ)ΔR H ow t o o r d e r H = Inductive N = Non Inductive RoHS compliant Standard part numbers Wattage: 0.5 Series: WHA Series Power Ohms Tolerance Package T = Tape A = 0.5 F = 1% blank = 25pc B =1 J = 5% pack C=2 D = 0.5% D=3 Part marking: E=5 0.50, 1.0, 2.0 watt parts marked with 5-band color code, 3.0 and 5.0 watt parts marked with part number stamping Ohms 0.5 WNA 1.0 WHB 1.0 WNB 2.0 WHC 2.0 WNC 3.0 WHD 3.0 WND 5.0 WHE 5.0 WNE 0.1 0.25 0.5 0.75 1 WHAR10FE WHAR25FE WHAR50FE WHAR75FE WHA1R0FE WNAR10FE WNAR25FE WNAR50FE WNAR75FE WNA1R0FE WHBR10FE WHBR25FE WHBR50FE WHBR75FE WHB1R0FE WNBR10FE WNBR25FE WNBR50FE WNBR75FE WNB1R0FE WHCR10FE WHCR25FE WHCR50FE WHCR75FE WHC1R0FE WNCR10FE WHDR10FE WNDR10FE WHER10FE WNER10FE WNCR25FE WNCR50FE WHDR50FE WNDR50FE WHER50FE WNER50FE WNCR75FE WNC1R0FE WHD1R0FE WND1R0FE WHE1R0FE WNE1R0FE 2 4 5 10 15 WHA2R0FE WHA4R0FE WHA5R0FE WHA10RFE WHA15RFE WNA2R0FE WNA4R0FE WNA5R0FE WNA10RFE WNA15RFE WHB2R0FE WHB4R0FE WHB5R0FE WHB10RFE WHB15RFE WNB2R0FE WNB4R0FE WNB5R0FE WNB10RFE WNB15RFE WHC2R0FE WHC4R0FE WHC5R0FE WHC10RFE WHC15RFE WNC2R0FE WNC4R0FE WNC5R0FE WHD5R0FE WND5R0FE WHE5R0FE WNE5R0FE WNC10RFE WHD10RFE WND10RFE WHE10RFE WNE10RFE WNC15RFE WHD15RFE WND15RFE WHE15RFE WNE15RFE 25 51 75 100 150 WHA25RFE WHA51RFE WHA75RFE WHA100FE WHA150FE WNA25RFE WNA51RFE WNA75RFE WNA100FE WNA150FE WHB25RFE WHB51RFE WHB75RFE WHB100FE WHB150FE WNB25RFE WNB51RFE WNB75RFE WNB100FE WNB150FE WHC25RFE WHC51RFE WHC75RFE WHC100FE WHC150FE WNC25RFE WNC51RFE WNC75RFE WNC100FE WHD100FE WND100FE WHE100FE WNE100FE WNC150FE 200 250 330 470 560 WHA200FE WNA200FE WHA250FE WNA250FE WHA330FE WHA470FE WHA560FE WHB200FE WHB250FE WHB330FE WHB470FE WHB560FE WNB200FE WNB250FE WNB330FE WNB470FE WNB560FE WHC200FE WHC250FE WHC330FE WHC470FE WHC560FE WNC200FE WNC250FE WHD250FE WND250FE WHE250FE WNE250FE WNC330FE WNC470FE WNC560FE WHD560FE WND560FE WHE560FE WNE560FE 750 WHA750FE WHB750FE WNB750FE WHC750FE WNC750FE 1K WHA1K0FE WHB1K0FE WNB1K0FE WHC1K0FE WNC1K0FE WHD1K0FE WND1K0FE WHE1K0FE WNE1K0FE 2.5K WHB2K5FE WHC2K5FE WND2K5FE 5K WHD5K0FE WHE5K0FE WNE5K0FE 10K WHD10KFE WHE10KFE WNE10KFE 25K 102 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected] WHE25KFE