WHSMD1206-020

页码： 3-2 地址（Add）：深圳市龙华区观澜街道观光路美泰科技园1栋 1nd Bldg,Meitai Industrial Zone,Guanguang Road, Guanlan,Longhua,Shenzhen,China 封装(package)： 型号(Model)： 最大电压(Vmax)： SMD 1206 020 24V 电话（Tel）： 86-0755-29503668 29503690 29503691 最大电流(Imax)： 20A 传真 (Fax) ： 86-0755-29503998 邮箱(Email)：sales@whptc.com 邮编(P.C.)：518131 网址(http://):www.whptc.com 产 品 规 格 书 Specification Sheet 产品标识/Marking ： A T02：产品型号标识/Part identification 产品外形尺寸 /Appearance and size of production T02 B 焊点可焊性/Solderability： D 符合EIA规定RS186-9E 和ANSI/J-STD-002 第3类标准/Meets EIA specification RS1869Eand ANSI/J-STD-002 Category 3 E C 焊点材料/Terminal Pad Materials： 推荐焊盘设计 /Recommended 无铅镀锡的镀镍铜箔/Sn-plated nickle-copper, lead-free device. pad layout 产品尺寸/ Dimensions: B A UNIT MIN MAX MIN D E MAX MIN MIN C MAX MIN F G H mm 3 3.5 1.5 1.8 0.4 0.9 0.15 0.1 1 2 1.9 inch 0.12 0.14 0.06 0.07 0.016 0.04 0.01 0.004 0.04 0.08 0.07 电气特性/Performance Specification: Maximum Resistance Time To Trip Model Current Time Rimin R1max (A) (Sec) (Ω） (Ω） SMD020 24 20 0.20 0.40 0.6 8.0 0.08 0.70 4.00 Vmax：产品在规定电流下工作不被破坏的最大电压； /Maximum voltage , device can withstand without damage at rated current； Imax：产品在规定电压下工作不被破坏的最大电流； / Maximum fault current, device can withstand without damage at rated voltage； Ihold：产品在25°C静止空气中30分钟不动作的最大工作电流； / Hold Current.,device will sustain for 30min without tripping in 25°C still air； Itrip： 产品在25°C静止空气中动作的最小电流； / Minimum current at which the device will trip in 25°C still air； Vmax (Vdc) Imax (A) Ihold Itrip @25℃ @25℃ (A) (A) Pd Tpy. (W) Pd： 产品在25°C静止空气中保护状态中消耗的功率； / Power dissipated from device when in the tripped state in 25°C still air； Rimin：满足功能要求的最小成品电阻值； /Minimum resistance of device in initial (un-soldered) state; R1max：焊接完1小时，产品在25°C静止空气中的最大电阻值。 / Maximum resistance of device at 25°C measured one hour post reflow. 页码： 3-3 o 25 C时动作时间曲线图 /Average Time Current Curve at 25oC 电流折减与环境温度曲线图 /Average Time Current Curve SMD1206-020 Derating Curves for SMD series 160 100 Average Time Current Curves Time in Second(s) 140 Percentage of Derated Current (%) 120 100 80 60 10 1 0.1 40 0.01 20 0 -40 -20 0 20 40 o Temperature ( C) 60 80 1E-3 0.1 1 10 Current in Amperes(A) 回流焊接条件/Solder reflow conditions 注意：如果回流焊温度超过图表建议最高温度 (260oC), 元件可能损坏而达不到规范要求. 1、建议回流方法：红外线、蒸汽炉、热空气炉； /Recommended reflow methods: IR, vapor phase oven, hot air oven. 2、使用于波焊制程时，不可将元件置于电路板之背 面/底面； /Devices are not designed to be wave soldered to the bottom side of the board. 3、建议焊锡膏涂抹厚度最大为0.25mm/0.010 inch；/Recommended maximum paste thickness is 0.25 mm (0.010 inch). 4、元件可使用一般业界标准程序和溶剂来实施清洁 。/Devices can be cleaned using standard method and solvents. /Note: If reflow temperatures exceed the recommended profile, devices may not meet the performance requirements. 储存与放置/Storage and Handling 储存条件：低于30 oC，相对湿度小于60％.如果超出储存条件，元件可能达不到规范要求./Storage conditions: 30°C max, 60% R.H.Devices may not meet specified performance if storage conditions are exceeded. 订购须知/Order Information T02=产品标识 /Part identification，SMD1206=封装尺寸/ Packaging，020=产品型号 /Model 包装数量3500个/盘3500pcs/Reel 注意事项/ WARING： 1、超出额定范围或不正确地使用PPTC元件都可能导致产品的损坏，并可能导致电弧和火焰；/Use PPTC exceed by the maximum rating and improper use may result in device damage and possible electrical arcing and flame. 2、PPTC元件一般只用于偶然的过流或超温故障时的保护，切勿用于故障频繁发生或预期会发生长时间故障的 场合；/PPTC are designed for protection against over current or temperature fault conditions and should not be used when repeated fault conditions or prolonged trip events are anticipated. 3、如果不按照建议安装、测试和使用产品，元件性能可能会受到不利影响；/Device performance can be impacted negatively if devices are handled in a manner inconsistent with recommended electronic, thermal, and mechanical procedures for electronic components. 4、在电感强度大的电路中使用时，可能会产生超过PPTC元件的额定电压的回路电压；/Use PPTC with a large inductance in circuit will generate a circuit voltage above the rated voltage of the PPTC. 5、PPTC元件应用时不能长期处于压力下，使其缺乏膨胀空间而影响其性能，如处于高压或安装在受限的狭小 空间里. /Avoid impact PPTC device its thermal expansion like placed under pressure or installed in limited space. 6、由于上述原因造成的质量问题，我司概不负责。/If any quality problems caused by improper use mentioned above,our company is not responsible.