SMBJ Series
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSORS
Power Dissipaton-600W
Stand-off Voltage-5.0V to 440V
General information
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 AT Semiconductor’s exclusive, cost-effective, highly reliable and is ideally suited
for use in communication systems, automotive, numerical controls, process
Molded plastic
controls, medical equipment, business machines, power supplies and many other
glass passivated junction.
industrial/consumer Applications.
Features
Case: DO-214AA/SMB
Applications
For surface mounted applications in order to optimize board space.
TVS
Polarity: Color band denoted positive end (cathode) except Bidirectional.
protection of I/O Interfaces, VCC bus
Typical failure mode is short from over-specified voltage or current
and other vulnerable circuits used in
High Temperature soldering:260°C/10 seconds at terminals.
Telecom, Computer, Industrial
Terminal: Solder plated, solderable per MIL-STD-750,Method 2026.
Consumer electronic applications.
devices
are
ideal
for
the
and
Absolute maximum ratings (Ta=25℃ unless otherwise noted)
Parameter
Minimum Peak Pulse Power Dissipation (T = 1 ms) (note1 note 2)
Symbol
Value
Unit
PPK
600
Watts
IFSM
100
Amps
PM(AV)
5.0
Watts
VF
3.5/5
Volts
TJ
-55 to +150
°C
TSTG
-55 to +150
°C
Peak Forward Surge Current
8.3 ms Single Half Sine Wave Superimposed on Rated Load
(JEDEC Method) (Note 3)
Steady State Power Dissipation @ TL = 75 °C
Maximum Instantaneous Forward Voltage @ I PP = 50 A
(For Unidirectional Units Only)(note4 note 5)
Operating Temperature Range
Storage Temperature Range
NOTES:
1. Non-repetitive current pulse, per Pulse Waveform graph and derated above TA = 25 °C per Pulse Derating Curve.
2. Thermal Resistance Junction to Lead.
3. 8.3 ms Single Half-Sine Wave duty cycle = 4 pulses maximum per minute (unidirectional units only).
4. Single Phase, Half Wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20 %.
5. VF
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