TVS

P4SMA Series

瞬态抑制二极管 TVS Diodes

Transient Voltage Suppression Diodes

+86 592-571-5838 www.SETsafe.com www.SETfuse.com E-mail : sales@SETfuse.com

特性 Features

● 浪涌电阻

● 优异的箝位性能

● 小型化紧凑封装，内部结构去应力设计

● 12 V以上电压规格对应漏电典型值低于1.0 μA

● 重复率0.01% 的10/1000 μS 波形对应峰值脉冲功率400 W

● 表贴应用，节约空间

● 典型的故障模式为电压或电流超过额定而导致的短路

● IEC 61000-4-2 ESD 30 kV(空气)，30 kV(接触)

● 数据线EFT保护符合IEC 61000-4-4

● 快速响应时间

● 玻璃钝化保护或平面芯片(< 10 V ）

● 回流焊高温保证:260 °C/30 s

● 温度系数典型值0.1%

● 密封材料阻燃等级V-0

● 湿度敏感等级符合MSL 等级1

● 引脚镀雾锡

● 无卤素，符合RoHS要求

● 无铅E3：二级互连引线无铅，端子镀锡(Sn) (IPC/JEDEC J-STD

-609A.01)

● Low incremental surge resistance

● Excellent clamping capability

● Low profile package with built-in strain relief

● Typical I

less than 1.0 μA above 12 V

● 400 W peak pulse power capability with a 10/1000 μS Wave-

form, repetition rate (duty cycle): 0.01%

● For surface mounted applications to optimize board space

● Typical failure mode is short from over-specified voltage or

current

● IEC 61000-4-2 ESD 30 kV (Air), 30 kV (Contact)

● EFT protection of data lines in accordance with IEC 61000-4-4

● Very fast response time

● Glass passivated chip junction or Planar chip (< 10 V )

● High temperature to reflow soldering guaranteed: 260 °

C/40sec

● V

@ T

= V

@25°C x (1+αT x (T

- 25))

(αT:Temperature Coefficient, typical value is 0.1%)

● Plastic package is flammability rated V-0 per Underwriters La-

boratories

● Meet MSL level1, per J-STD-020

● Matte tin lead–free plated

● Halogen free and RoHS compliant

● Pb-free E3 means 2nd level interconnect is Pb-free and the

terminal finish material is tin(Sn) (IPC/JEDEC J-STD-609A.01)

概述 Description

瞬态抑制二极管 (TVS) 是一种电路保护元件，它可以削

弱或过滤突增的瞬态电压(过压)，在浪涌到来瞬间几纳

秒时间内发生雪崩击穿，将浪涌电流引至接地端，并将

电压箝位在安全范围内，从而实现了高效能的电压保

护。

Transient Voltage Suppressor (TVS) is a circuit

protection component that either attenuates (reduces)

or filters a transient voltage spike (overvoltage), TVS

diodes provide critical protection by going into

avalanche breakdown within no more than a few

nanoseconds after a strike, clamping the transient

voltage, and routing its current to the ground.

功能图 Functional Diagram

单向 Uni-Directional

双向 Bi-Directional

负极

Cathode

正极

Anode

应用 Applications

● 通信设备

● 安防

● 工控设备

● 电源

● 汽车电子

● 新能源设备

● 防雷保护

Communication Equipment

Security & Protection

Industrial Control Equipment

Power Supply

Automotive Electronics

New Energy

Lightning Protection

TVS

P4SMA Series

瞬态抑制二极管 TVS Diodes

Transient Voltage Suppression Diodes

+86 592-571-5838 www.SETsafe.com www.SETfuse.com E-mail : sales@SETfuse.com

封装尺寸 Package Outline Dimensions (DO-214AC)

符号

Symbol

公制(毫米)

Millimeters

英制(英寸)

Inches

Min. Max. Min. Max.

L 3.990 4.600 0.157 0.181

W 2.300 2.790 0.095 0.110

1.250 1.650 0.049 0.065

H 1.900 2.290 0.075 0.090

T 0.152 0.006 0.305 0.012

4.800 5.280 0.189 0.208

0.780 1.520 0.030 0.060

D - 0.203 - 0.008

A - - 2.300 0.090

B 2.100 0.082 - -

C 2.100 0.082 - -

E 1.800 0.070 - -

W W

B C

安装布局

(Mounting Pad Layout)