CYStech Electronics Corp.

Spec. No. : C767SA

Issued Date : 2009.05.19

Revised Date :2010.01.14

Page No. : 1/5

P4SMA6.8A thru P4SMA550CA

CYStek Product Specification

Surface Mount Transient Voltage Suppressors

Peak Pulse Power 400W

Breakdown Voltage 6.8 to 550V

P4SMA6.8A thru P4SMA550CA

Features

Outline

• Low profile package with built-in strain relief for surface mounted

DO-214AC (SMA)

applications

• Plastic package has UL flammability classification 94V-0

• Ideal for ESD protection of data line in accordance with IEC1000-4-2

(IEC801-2)

• Ideal for EFT protection of data line in accordance with IEC1000-4-4

(IEC801-4)

• Very-fast response time

• Optimized for LAN protection applications

• Low incremental surge resistance, excellent clamping capability

• Glass passivated junction

• High temperature soldering guaranteed: 250°C/10seconds at

terminals

• 400W peak pulse power capability with a 10/1000μs waveform,

repetition rate (duty cycle) : 0.01% (300W above 91V)

Mechanical Data

• Case : JEDEC DO-214AC(SMA) molded plastic body

• Terminals: Pure tin plated, solderable per MIL-STD-750 method 2026

• Polarity: For uni-directional types, the band denotes the cathode, which is positive with respective to the anode

under normal TVS operation

• Mounting position : Any

• Weight: 0.002 oz., 0.064 gram

Devices for bidirectional applications

For bi-directional devices, use suffix CA (e.g. P4SMA10CA). Electrical characteristics apply in both directions.

°C, unless otherwise noted)

Parameter

Symbol

Value

Unit

W

A

1

W

Peak forward surge current, 8.3ms single half sine wave

40

A

Typical thermal resistance, junction-to-leads

30

°C/W

120

°C/W

Operating junction and storage temperature range

-55 ~ +150

°C

2.Mounted on 0.2”×0.2” (5mm×5mm) copper pads to each terminal

3.Mounted on minimum recommended pad layout