Revision March 1,2022

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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.

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The P6SMB series is designed specifically to protect sensitive electronic

equipment from voltage transients induced by lightning and other transient

voltage events



For surface mounted applications in order to optimize board space



Low leakage



Uni and Bidirectional unit



Glass passivated junction



Low inductance



Excellent clamping capability



Typical IR less than 5μA above 10V



600W Peak power capability at 10 × 1000µs waveform Repetition

rate (duty cycle):0.01%

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

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



Typical maximum temperature coefficient ΔVBR = 0.1% ×VBR@25°C× ΔT

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Plastic package has Underwriters Laboratory Flammability 94V-0

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Matte tin lead–free Plated

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Halogen free and RoHS compliant

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

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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)

P6SMB Series

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

Surface Mount Transient Voltage Suppressors (TVS)

6.8 To 600V 600W

www.unsemi.com.tw

Cathode

Bi-directional

Anode

Uni-direction

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.

600

See Next Table

5.0

100

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)(Note1), (Note 2)

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

Power dissipation on infinite heatsink at TL = 75℃

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

Maximum Ratings (TA =25℃ unless otherwise noted)

Functional Diagram