SMAJP4KE6.8 thru SMAJP4KE400CA
Transient Voltage Suppressor
Breakdown Voltage 6.8 to 400 Volts
Peak Pulse Power
400 Watts
Features
Breakdown Voltages (VBR)from 6.8 to 400V
CASE: SMA (DO214AC)
400W peak pulse power capability with a 10/1000μs
waveform, repetitive rate (duty cycle):0.01%
Fast Response Time
Low incremental surge resistance
Excellent clamping capability
Available in uni-directional and bi-directional
High temperature soldering guaranteed: 265℃ /10
seconds, 0.375” (9.5mm) lead length, 5lbs. (2.3kg)
tension
Application
Use in sensitive electronics protection against voltage
transients induced by inductive load switching and
lighting on ICS, MOSFE, signal lines of sensor units for
consumer, computer, industrial, automotive and
telecommunication
Mechanical Data
Case: Void-free transfer molded thermosetting epoxy
body meeting UL94V-O
Terminals: Tin-Lead or ROHS Compliant annealed
matte-Tin plating readily solderable per MIL-STD-750,
Method 2026
Marking: Body marked with part number
Polarity: Cathode indicated by band. No marking on bi-
directional devices
Dimensions in inches and (millimeters)
Weight: 0.053g(Approximately)
Maximum Ratings and Electrical Characteristics @ 25OC unless otherwise specified
Conditions
Symbol
Value
400
Unit
W
PPPM
Peak pulse power capability with a 10/1000μs
Peak pulse current with a 10/1000μs
IPPM
SEE TABLE1
5.0
A
Steady state power dissipation at TL=65℃ ,Lead lengths 0.375”(10mm)
W
PM(AV)
Steady state power dissipation at TA=25℃ when mounted on FR4 PC
described for thermal resistance
1.52
W
IFSM
VF
Peak forward surge current,8.3ms single half sine-wave unidirectional only⑴
Maximum instantaneous forward voltage at 30A for unidirectional only⑵
Thermal resistance junction to lead
40
3.5/5.0
17
A
V
RθJL
℃/W
℃/W
℃
RθJA
Thermal resistance junction to ambient
82
TJ, TSTG
Operating and Storage Temperature
-65 to +150
Notes:
⑴ Measured on 8.3ms single half sine-wave or equivalent square wave, duty cycle=4 pulses per minute maximum
⑵ VF=3.5V for SMAJP4KE220(A) and below; VF=5.0V for SMAJP4KE250(A) and above
Document Number: SMAJP4KE6.8 thru SMAJP4KE400CA
Feb.29, 2012
www.smsemi.com
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