SMAJ5.0 thru SMAJ188CA
Vishay General Semiconductor
Surface Mount TRANSZORB® Transient Voltage Suppressors
FEATURES
• Low profile package
• Ideal for automated placement
• Glass passivated chip junction
• Available inuni-directional and bi-directional
• 400 W peak pulse power capability with a
10/1000 µs waveform, repetitive rate (duty
cycle): 0.01 % (300 W above 78 V)
• Excellent clamping capability
• Very fast response time
• Low incremental surge resistance
DO-214AC (SMA)
• Meets MSL level 1, per J-STD-020, LF maximum
peak of 260 °C
• Solder dip 260 °C, 40 s
• Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
PRIMARY CHARACTERISTICS
TYPICAL APPLICATIONS
VWM
5.0 V to 188 V
400 W, 300 W
40 A
Use in sensitive electronics protection against voltage
transients induced by inductive load switching and
lighting on ICs, MOSFET, signal lines of sensor units
for consumer, computer, industrial, automotive and
telecommunication.
PPPM
IFSM
TJ max.
150 °C
MECHANICAL DATA
Case: DO-214AC (SMA)
Molding compound meets UL 94 V-0 flammability
rating
Base P/N-E3 - RoHS compliant, commercial grade
Base P/NHE3 - RoHS compliant, high reliability/
automotive grade (AEC Q101 qualified)
DEVICES FOR BI-DIRECTION APPLICATIONS
For bi-directional use C or CA suffix (e.g. SMAJ10C,
SMAJ10CA).
Electrical characteristics apply in both directions.
Terminals: Matte tin plated leads, solderable per
J-STD-002 and JESD22-B102
E3 suffix meets JESD 201 class 1A whisker test, HE3
suffix meets JESD 201 class 2 whisker test
Polarity: For uni-directional types the band denotes
cathode end, no marking on bi-directional types
MAXIMUM RATINGS (T = 25 °C unless otherwise noted)
A
PARAMETER
SYMBOL
PPPM
VALUE
400
UNIT
W
Peak pulse power dissipation with a 10/1000 µs waveform (1)(2) (Fig. 1)
Peak pulse current with a waveform (1)
Peak forward surge current 8.3 ms single half sine-wave uni-directional only (2)
IPPM
See next table
40
A
IFSM
A
Operating junction and storage temperature range
TJ, TSTG
- 55 to + 150
°C
Notes:
(1) Non-repetitive current pulse, per Fig. 3 and derated above TA = 25 °C per Fig. 2. Rating is 300 W above 78 V
(2) Mounted on 0.2 x 0.2" (5.0 x 5.0 mm) copper pads to each terminal
Document Number: 88390
Revision: 29-Oct-08
For technical questions within your region, please contact one of the following:
PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com
www.vishay.com
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