The SA series is designed specifically to protect sensitive electronic

equipment from voltage transients induced by lightning and other transient

voltage events.



Glass passivated chip junction in DO-15 Package



Low leakage



Uni and Bidirectional unit



Excellent clamping capability



500W Peak power capability at 10 × 1000µs waveform Repetition

rate (duty cycle):0.01%



Fast response time: typically less than 1.0ps from 0 Volts to VBR min



Typical IR less than 5μA above 8V



High Temperature soldering: 260°C/40 seconds at terminals



Typical maximum temperature coefficient

ΔVBR = 0.1% × VBR@25°C× ΔT



Plastic package has Underwriters Laboratory Flammability 94V-0



Matte tin lead–free Plated



Halogen free and RoHS compliant



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



Whisker test is conducted based on JEDEC JESD201A per its table

4a and 4c



IEC-61000-4-2 ESD 15kV(Air), 8kV (Contact)



ESD protection of data lines in accordance with

IEC 61000-4-2 (IEC801-2)



EFT protection of data lines in accordance with

IEC 61000-4-4 (IEC801-4)

TVS devices are ideal for the protection of I/O interfaces, VCC bus

and other vulnerable circuits used in Telecom, Computer, Industrial

and Consumer electronic applications.

Features

Description

Uni-directional

Bi-directional

Applications

ROHS

Revision March 1,2022

Axial Lead Transient Voltage Suppressors (TVS)

www.unsemi.com.tw

5.0 To 190V 500W

www.unsemi.com.tw

Cathode

Bi-directional

Anode

Uni-direction

For technical questions, contact: tech@unsemi.com.tw

Specifications are subject to change without notice.

Please refer to www.unsemi.com.tw for current information.

1/6

SA Series

Functional Diagram

Maximum Ratings (TA=25℃ unless otherwise noted)

Notes: 1. Non-repetitive current pulse, per Fig. 3 and derated above TA = 25°C per Fig. 2.

2. Mounted on 5.0mm x 5.0mm (0.03mm thick) Copper Pads to each terminal.

3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle = 4 pulses per minutes maximum.

4. VF < 3.5V for VBR < 200V and VF< 6.5V for VBR > 201V.

500

See Next Table

3.0

70

3.5/5.0

-55 to +150

-40 to +125

PPPM

IPP

PM(AV)

IFSM

VF

TJ ,TSTG

TOP

Peak Pulse Power Dissipation with a 10/1000µs waveform (Fig.1)(Note 1), (Note 2)

Peak Pulse Current with a 10/1000µs waveform.(Note1,Fig.3)

Power Dissipation on Infinite Heat Sink at TL=75°C

Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3)

Maximum Instantaneous Forward Voltage at 25A for Unidirectional Only (Note 4)

Junction and Storage Temperature Range

Operating Temperature Range

W

A

W

A

V

°C

°C

Parameter

Symbol

Value

Unit