Surge Current Chip Resistor Hokuriku Electric Industry Co.,Ltd 【Model Number】 SCR** 【Features】 ■Excellent Surge Durability One Pulse Limit Characteristics is 2-times higher than normal type. ■Compared to normal type, rated power is higher. ■Resistance tolerance of ±0.5% is available. ■Reflow, Flow solderings are applicable. ■Europe RoHS compliant product. 【Dimensions】 (Unit: mm) 【Designation】 Model No. L SCR16 1.60±0.15 W t c d 0.80 +0.20/-0.10 0.50 +0.15/-0.05 0.25±0.20 0.25±0.20 SCR20 2.00 +0.20/-0.10 1.25 +0.20/-0.10 0.50 +0.15/-0.05 0.40±0.20 0.40±0.20 SCR32 3.20 +0.10/-0.15 1.60 +0.10/-0.15 0.55 +0.15/-0.05 0.50±0.20 0.50±0.20 SCR35 3.20 +0.10/-0.15 2.60 +0.10/-0.15 0.55 +0.15/-0.05 0.50±0.20 0.50±0.20 SCR50 5.00±0.15 2.50±0.15 0.56±0.15 0.60±0.25 0.60±0.25 SCR64 6.30±0.15 3.20±0.15 0.56±0.15 0.60±0.25 0.60±0.25 ＳCR１６ ① - ①Model No. Model No. Size SCR16 1608 SCR20 2012 SCR32 3216 SCR35 3225 SCR50 5025 SCR64 6432 １０３ ② Ｊ ③ Ｖ ④ ②Resistance Value Marking Resistance 103 10KΩ 103＝10×10３ ＝10,000Ω＝10KΩ ③Resistance Tolerance Symbol Tolerance Ｄ ±0.5％ Ｆ ±1.0％ J ±5.0％ ③Packing Form Symbol Form V Paper tape Emboss tape Ｅ B Bulk 【Specification】 Model No. SCR16 SCR20 SCR32 SCR35 SCR50 SCR64 Rated power (W) at 70℃ 0.20 0.25 0.33 0.50 0.75 1.00 Tolerance Range (Ω) TCR (ppm/℃) 10～1M ±100 10～1M ±200 D (±0.5%) F (±1.0%) J (±5.0%) D (±0.5%) F (±1.0%) J (±5.0%) D (±0.5%) F (±1.0%) J (±5.0%) D (±0.5%) F (±1.0%) J (±5.0%) D (±0.5%) F (±1.0%) J (±5.0%) F (±1.0%) J (±5.0%) 10～1M ±100 10～1M ±200 10～1M ±100 10～1M ±200 10～1M ±100 10～1M ±200 10～1M ±100 10～1M ±200 10～1M ±300 Max.Working Voltage Max.Overload Voltage 50V 100V 150V 200V 200V 400V * Operating temperature range : -55～+155 ℃ * Design・specification are subject to change without prior notice. Please check before purchase and use. HOKURIKU Hokuriku Electric Industry Co.,Ltd 【Structure】 No. 1 2 3 4 5 6 7 8 9 10 Element Name Ceramic substrate Bottom electrode Top electrode Resistive element Protective coat Ⅰ Protective coat Ⅱ Marking Side electrode Ni plating Sn plating 6 7 4 3 5 8 9 1 10 2 【Power derating curve】 ■ When used at ambient temperature of 70℃ 70℃ or above, power rating must be derated in accordance with the derating curve. below. SCR Power rating (%) 100 80 60 40 20 0 -55 0 70 155 Ambient temperature (℃) 【Surface temperature rise】 ■ As for relation between rated power ratio ans surface temperature rise, refer to the below. resin（ （t=1.6 Condition: Measured with solder on glass fiber laminate epoxy resin t=1.6mm 1.6mm） mm）. Surface temperature （℃） SCR 200 180 160 140 120 100 80 60 40 20 0 SCR64 SCR50 SCR35 SCR32 SCR20 SCR16 0 50 100 150 200 Power rating （%） One-pulse limiting electric power (W) 【Pulse-proof characteristic】 SCR 10000 SCR64 SCR50 SCR35 1000 SCR32 SCR20 SCR16 100 10 1 0.1 1 10 100 Pulse duration (ms) ※Design・specification are subject to change without prior notice. Please check before purchase and use. HOKURIKU 1000