ASMAJ SERIES
STAND-OFF VOLTAGE - 5.0 to 100 Volts
POWER DISSIPATION - 400 Watts
SURFACE MOUNT
UNIDIRECTIONAL AND BIDIRECTIONAL
TRANSIENT VOLTAGE SUPPRESSORS
FEATURES
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For surface mounted applications
Reliable low cost construction utilizing molded plastic technique
IR less than 0.5uA above 10V
Fast response time: typically less than 1.0ns for
Uni-direction less than 5.0ns for Bi-direction form 0 Volts to BV min
AEC-Q101 qualified
PPAP capable
Automotive grade
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
SMA
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MECHANICAL DATA
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Package: Molded plastic
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Package Material: Molding compound, UL Flammability
classification 94V-0, (No Br. Sb. Cl.) "Halogen-free"
Polarity: by cathode band denotes uni-directional device none
cathode band denotes bi-directional device
Weight: 0.002 ounces, 0.064 gram (Approximate)
Moisture Sensitivity: Max Soldering Temperature +260°C for 30
secs as per JEDEC J-STD-020
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Terminals: Finish Matte Tin Plated Leads, Solderable per MIL
STD-202, Method 208
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
ABSOLUTE RATINGS
PARAMETER
SYMBOL
VALUE
UNIT
PPK
400
W
PEAK POWER DISSIPATION AT TA = 25 , TP = 1ms (Note 4)
℃
40
1.0
A
W
V
Peak Forward Surge Current 8.3ms single half sine-wave @ TJ = 25
Steady State Power Dissipation, with PCB
Maximum Instantaneous forward voltage at 16A (Notes 5, 6)
Operating Temperature Range
℃
(Note 5)
IFSM
PM(AV)
VF
3.0
TJ
-55 to +175
-55 to +175
°C
°C
Storage Temperature Range
TSTG
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony
compounds.
4. Non-repetitive current pulse, per fig. 3 and derated above TA= 25 ℃ per fig.1.
5. For unidirectional units only.
6. VF max=3.0V at IF=16 A 300us square wave pulse. (for devices of VBR<100V)
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www.diodes.com
July 2023
ASMAJ SERIES
© 2023 Copyright Diodes Incorporated. All Rights Reserved.
Document number: DS45812 Rev. 2 - 2