Surface Mount Transient Voltage Suppressors
Revision Jan 20,2021
1 / 3
@ UN Semiconductor Co., Ltd. 2021
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
SMBJ3V3A 600W
UN Semiconductor Co., Ltd. www.unsemi.com.tw
Note:(1) Measured on 8.3 ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.
The SMBJ3V3A series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by lightning
and other transient voltage events.
Working Voltage:3.3V
Peak Pulse Power: 600 W
Glass passivated chip
600 W peak pulse power capability with a
10/1000 us waveform, repetitive rate (duty
cycle):0.01 %
Low leakage
Uni and Bidirectional unit
Excellent clamping capability
Very fast response time
RoHS compliant
TVS devices are ideal for the protection of I/O interfaces, V
CC
bus
and other vulnerable circuits used in Telecom, Computer, Industrial
and Consumer electronic applications.
Case: Molded plastic
Epoxy: UL 94V-0 rate flame retardant
Lead: Solderable per MIL-STD-750, method 2026
Polarity: Color band denotes cathode end
except Bipolar
Mounting position: Any
Parameter Symbol Value Units
Peak Pulse Power Dissipation with a 10/1000µs waveform P
PP
600 Watts
Breakdown voltage @ IT = 10mA V
BR
5.2-6.0 Volts
Working PeakReverse Voltage V
RWM
3.3 Volts
Maximum Reverse Leakage @ V
RWM
I
R
600 μAmps
Peak pulse current wih a 10/1000μs waveform
I
PP
75 Amps.
Maximum Clamping Voltage @ I
PP
V
C
8.0 Volts
Power dissipation on infinite heatsink at T L = 75 °C
P
D
5.0 Watts
Peak forward surge current, 8.3 ms single half sine-wave
I
FSM
100 Amps.
Maximum instantaneous forward voltage at 50A for
V
F
3.5 Volts
Operating junction and storage temperature range
T
J
, T
STG
–55 to +150
°
C
Description
Features
Mechanical Data
Applications
Maximum Ratings and Thermal Characteristics (T A =25 ℃ unless otherwise noted)
Surface Mount Transient Voltage Suppressors
Revision Jan 20,2021
2 / 3
@ UN Semiconductor Co., Ltd. 2021
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
SMBJ3V3A 600W
UN Semiconductor Co., Ltd. www.unsemi.com.tw
Ratings and Characteristics Curves (T
A
=25℃ unless otherwise noted)
Figure 1 – Pulse Derating Curve
Figure 2 - Maximum Non-Repetitive Surge Current
Figure 3 - Pulse Waveform
Figure 5 - Steady State Power Derating Curve
Figure 6 - Peak Pulse Power Rating Curve
4
-
Typical Junction Capacitance
Figure