PDF《STE series 电流感测电阻规格书》

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13 4. 产品结构及使用材料说明 (参考图

4 ) / STRUCTURE &

MATERIAL (Ref to Fig.4 ) 图4/Fig.4 4.1 基板 / Substrate(1) : 氧化铝陶瓷基板 / Alumina Ceramic 4.2 粘著层 / Adhesion layer(2) : 环氧树脂 / Epoxy 4.3 电阻本体 / Resistive element(3) : 铜合金 / Cu C alloy 4.4 端电极 / Terminal electrode(4) : 锡p镍p 铜/SnpNipCu 4.5 保护防焊层 / Protective coating(5) : 防火级环氧树脂,符合 UL- 94-V0 要求(绿色) / Flame-retardant epoxy, meets UL- 94-V0 requirements(green) 4.6 文印防焊层 / Marking coating(6) : 防火级环氧树脂,符合 UL- 94-V0 要求(黑色) / Flame-retardant epoxy, meets UL- 94-V0 requirements (black) 5. 电气特性 / ELECTRICAL CHARACTERISTICS Part Number Resistance Value (mΩ) Power Rating (Watt) Resistance Tolerance (%) TCR (ppm) STE0603*W50-series R005~R60 5~9 0.5 ±1%(F) ±100 10~60 0.5 ±0.5%(D) / ±1%(F) ±50 Part Number Resistance Value (mΩ) Power Rating (Watt) Resistance Tolerance (%) TCR (ppm) STE0805*W75-series R003~R200 3~9 0.75 ±1%(F) ±100 10~200 0.75 ±0.5%(D) / ±1%(F) ±50 STE series 电流感测电阻规格书 THE SPECIFICATION OF CURRENT SENSOR RESISTOR

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13 Part Number Resistance Value (mΩ) Power Rating (Watt) Resistance Tolerance (%) TCR (ppm) STE1206*1W0-series R003~R400 3~9 1.0 ±1%(F) ±100 10~400 1.0 ±0.5%(D) / ±1%(F) ±50 Part Number Resistance Value (mΩ) Power Rating (Watt) Resistance Tolerance (%) TCR (ppm) STE2010*1W5-series R002~R400 2~9 1.5 ±1%(F) ±100 10~400 1.5 ±0.5%(D) / ±1%(F) ±50 Part Number Resistance Value (mΩ) Power Rating (Watt) Resistance Tolerance (%) TCR (ppm) STE2512*2W0-series R002~R400 2~9 2.0 ±1%(F) ±100 10~400 2.0 ±0.5%(D) / ±1%(F) ±50 Part Number Resistance Value (mΩ) Power Rating (Watt) Resistance Tolerance (%) TCR (ppm) STE3921*3W0-series R002~R100 2~9 3.0 ±1%(F) ±100 10~100 3.0 ±0.5%(D) / ±1%(F) ±50 Part Number Resistance Value (mΩ) Power Rating (Watt) Resistance Tolerance (%) TCR (ppm) STE4527*4W0-series R002~R100 2~9 4.0 ±1%(F) ±100 10~100 4.0 ±0.5%(D) / ±1%(F) ±50 规格外阻值可依客户需求提供 / We can provide other resistance value per request STE series 电流感测电阻规格书 THE SPECIFICATION OF CURRENT SENSOR RESISTOR

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13 6. 产品特性及信赖性测试规 / PRODUCT CHARACTERISTICS AND RELIABILITY TEST STANDARD 测试方法 Parameter 条件 Conditions 允收标准 Requirements 瞬间过载测试 / Short Time Over Load P= 2.5Pr ;

T=25±2?C , t = 5sec. ±(1.0%+0.5mΩ) IEC60115-1 4.13 高温测试 / High Temp. Exposure T = +170±2?C ;

t = 1000h ±(1.0%+0.5mΩ) IEC60115-1 4.25 低温测试 / Low Temp. Storage T = -55±2?C ;

t = 1000h ±(1.0%+0.5mΩ) IEC60115-1 4.25 湿度负载寿命测试 / Moisture Load Life (60℃、95%RH) Vtest = Vmax ;

T=60±2?C ;

RH=95% ;

t= 90min ON , 30min OFF , 1000h ±(2.0%+0.5mΩ) IEC60115-1 4.25 冷热冲击测试 / Thermal Shock [-55?C 30min. → R.T. 3min. → +155?C 30min. → R.T. 3min ],

100 个连续循环 / 100Cycles ±(1.0%+0.5mΩ) IEC60115-1 4.19 在70?C 下负载寿命测试 / Load Life at 70?C Vtest = Vmax ;

T=70±2?C ;

t= 90min ON , 30min OFF,1000h ±(2%+0.5mΩ) IEC60115-1 4.25 可焊性测试 / Solderability 浸入锡炉 / Dip into solder at T = 245±5?C , t = 3±0.5sec. 锡涵盖面积/The covered area >

95% IEC60115-1 4.17 抗焊热性测试 / Resistance to Solder Heat 经热风式回焊炉 / Through Reflow T= 275±5?C , t =20±1sec. ±(1.0%+0.5mΩ) IEC60115-1 4.18 机械冲击测试 / Mechanical Shock 加速度 a =100G , 振幅时间 t =11ms,