P6SMB6.8AT3G Series,
SZP6SMB6.8AT3G Series
600 Watt Peak Power Zener
Transient Voltage
Suppressors
Littelfuse.com
Unidirectional*
PLASTIC SURFACE MOUNT
ZENER OVERVOLTAGE
TRANSIENT SUPPRESSORS
5.8−171 VOLTS
The SMB series is designed to protect voltage sensitive
components from high voltage, high energy transients. They have
excellent clamping capability, high surge capability, low zener
impedance and fast response time. The SMB series is supplied in
the Littelfuse
exclusive, cost-effective,
highly
reliable
600 WATT PEAK POWER
package and is ideally suited for use in communication
systems, automotive, numerical controls, process controls,
medical equipment, business machines, power supplies and many
other industrial/consumer applications.
SMB
CASE 403A
PLASTIC
Specification Features:
• Working Peak Reverse Voltage Range − 5.8 to 171 V
• Standard Zener Breakdown Voltage Range − 6.8 to 200 V
• Peak Power − 600 W @ 1 ms
Cathode
Anode
• ESD Rating of Class 3 (> 16 kV) per Human Body Model
• Maximum Clamp Voltage @ Peak Pulse Current
• Low Leakage < 5 mA Above 10 V
MARKING DIAGRAM
• UL 497B for Isolated Loop Circuit Protection
• Response Time is Typically < 1 ns
AYWW
xx G
G
• SZ Prefix for Automotive and Other Applications Requiring Unique
Site and Control Change Requirements; AEC−Q101 Qualified and
PPAP Capable
• These Devices are Pb−Free and are RoHS Compliant
A
Y
= Assembly Location
= Year
Mechanical Characteristics:
WW = Work Week
xx
G
= Device Code (Refer to page 3)
= Pb−Free Package
CASE: Void-free, transfer-molded, thermosetting plastic
FINISH: All external surfaces are corrosion resistant and leads are
readily solderable
(Note: Microdot may be in either location)
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
260°C for 10 Seconds
ORDERING INFORMATION
LEADS: Modified L−Bend providing more contact area to bond pads
POLARITY: Cathode indicated by polarity band
MOUNTING POSITION: Any
Device
Package
Shipping
P6SMBxxxAT3G
SMB
(Pb−Free)
2,500 /
Tape & Reel
SZP6SMBxxxAT3G
SMB
2,500 /
(Pb−Free)
Tape & Reel
*Please see P6SMB11CAT3 to P6SMB91CAT3 for Bidirectional devices.
Specifications subject to change without notice. © 2016 Littelfuse, Inc.
1
Publication Order Number:
September 19, 2016 − Rev. 14
P6SMB6.8AT3/D