RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
TVS
TFMAJ
SERIES
GPP TRANSIENT VOLTAGE SUPPRESSOR
400 WATT PEAK POWER 1.0 WATT STEADY STATE
FEATURES
*
*
*
*
*
*
Plastic package has underwriters laboratory
Glass passivated chip construction
400 watt surage capability at 1ms
Excellent clamping capability
Low zener impedance
Fast response time
DO-214AC
Ratings at 25
o
C ambient temperature unless otherwise specified.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Dimensions in inches and (millimeters)
DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use C or CA suffix for types TFMAJ5.0 thru TFMAJ170
Electrical characteristics apply in both direction
MAXIMUM RATINGS
(At T
A
= 25 C unless otherwise noted)
RATINGS
Peak Power Dissipation with a 10/1000uS (Note 1,2,5 Fig.1)
Peak Pulse Current with a 10/1000uS waveform ( Note 1, Fig.2 )
Steady State Power Dissipation (Note 3)
Peak Forward Surge Current per Fig.5 (Note 3)
Maximum Instantaneous Forward Voltage at 25A (Note 4)
Operating and Storage Temperature Range
SYMBOL
P
PPM
I
PPM
P
M
(
AV
)
I
FSM
V
F
T
J
, T
STG
VALUE
Minimum 400
SEE TABLE 1
1.0
40
3.5
-55 to + 150
UNITS
Watts
Amps
Watts
Amps
Volts
0
o
C
1998-8
NOTES : 1. Non-repetitive current pulse, per Fig.3 and derated above T
A
= 25
o
C per Fig.2.
2. Mounted on 0.2 X 0.2鈥? 5.0 X 5.0mm ) copper pad to each terminal.
3. Lead temperature at T
L
= 25
o
C
4. Measured on 8.3mS single half sine-wave duty cycle = 4 pules per minute maximum.
5. Peak pulse power waveform is 10/1000uS.
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