Sulfurization-proof Type Wide Terminal Chip Resistor Hokuriku Electric Industry Co.,Ltd 【Model Number】 WCRES** 【Features】 ■This is high power type sulfurization-proof by wide terminal. ■Use of pecial material for top electrode provides excellent sulfurization characteristic. ■By high power capability, reduction of mounting area is possible. ■By making terminal wide side (terminal area increased), higher reliability at solder joint was realized. ■Large terminal area provides excellent heat radiation, and help suppress heat generation of circuitry. ■Europe RoHS compliant product. 【Dimensions】 【Designation】 (Unit: mm) Model No. L W t WCRES32 3.20±0.15 1.60±0.15 WCRES50 5.00±0.20 2.50±0.20 WCRES64 6.30±0.15 3.20±0.15 WCＲEＳ３２ ① ①Model No. Model No. Size WCRES32 1632 WCRES50 2550 WCRES64 3264 - １０３ ② Ｊ ③ ②Resistance Value Marking Resistance 103 10KΩ 103＝10×10３ ＝10,000Ω＝10KΩ c d 0.55 +0.15/-0.05 0.30±0.20 0.50±0.20 0.56±0.20 0.50±0.20 0.60±0.20 0.56±0.15 0.50±0.20 0.90±0.20 Ｖ ④ ③Resistance Tolerance Symbol Tolerance Ｆ ±1.0％ J ±5.0％ ③Packing Form Symbol Form V Paper tape Ｅ Emboss tape B Bulk 【Specification】 Model No. Rated power (W) at 70℃ WCRES32 0.5 WCRES50 1.0 Range (Ω) Tolerance Class F (±1%) Max.Working Voltage Max.Overload Voltage ±200 200V 1～1M Class J (±5%) WCRES64 TCR (ppm/℃) 400V (Class F, 1～91Ω: 1～91Ω:±100) Ω:±100) 2.0 * Operating temperature range: -55～+155 ℃ 【Structure】 Model No. No. 1 2 3 4 5 6 7 8 9 10 WCRES32 / WCRES50 / WCRES64 Element Name Ceramic substrate Bottom electrode Special electrode Resistive element Protective coat Ⅰ Protective coat Ⅱ Marking Side electrode Ni plating Sn plating 4 5 6 7 8 3 9 2 １ * Design・specification are subject to change without prior notice. Please check before purchase and use. HOKURIKU 10