JIANGSU CHANGJING ELECTRONICS TECHNOLOGY CO., LTD
SMAG Plastic-Encapsulate Diodes
SMAJ SERIES
Transient Voltage Suppressor Diodes
Features
● PPP
400W
● VRWM
5.0V- 440V
SMAG
● Glass passivated chip
Applications
● Clamping Voltage
Marking
Bi-directional
● SMAJXX(A/C/CA)
Uni-direction
XX : From 5.0 To 440
Symbol
Unit
Conditions
Peak pulse power dissipation
PPPM
W
with a 10/1000us waveform
400
Peak pulse current (1)
IPPM
A
with a 10/1000us waveform
See Next Table
Power dissipation
PD
W
On infinite heat sink at TL=75℃
1.0
Peak forward surge current(2)
IFSM
A
8.3 ms single half sine-wave unidirectional only
40
TJ,TSTG
℃
Item
Operating junction and
storage temperature range
Max
-55 to +150
Electrical Characteristics(Ta=25℃ Unless otherwise specified)
Item
Symbol
Unit
Conditions
Max
Maximum instantaneous forward
Voltage (3)
VF
V
at 25A for unidirectional only
3.5/5.0
RθJL
℃/W
junction to lead
30
RθJA
℃/W
junction to ambient, LLead = 10 mm
120
Thermal resistance
Notes:
(1) Non-repetitive current pulse, per Fig. 3 and derated above TA= 25℃per Fig.2.
(2) Mounted on 0.2 x 0.2" (5.0 x 5.0 mm) copper pads to each terminal
(3) VF
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