SMAJ54A MULTICOMP, SMAJ54A Datasheet - Page 2

• Manufacturer Part Number: SMAJ54A
• Description: DIODE, TVS, 54V, 400W
• Manufacturer: MULTICOMP

Specifications of SMAJ54A

• Reverse Stand-off Voltage Vrwm: 54V
• Clamping Voltage Vc Max: 87.1V
• Diode Configuration: Unidirectional
• Peak Pulse Current Ippm: 4.6A
• Diode Case Style: SMA
• No. Of Pins: 2
• Power Dissipation Pd: 1W
• Svhc: No SVHC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Maximum Ratings and Electrical Characteristics
Rating at 25°C ambient temperature unless otherwise specified.
Notes : 1. Non-repetitive current pulse and derated above T
Devices for bipolar applications:
Ratings and Characteristics Curves
Peak Power Dissipation at T
Steady Power Dissipation
Peak Forward Surge Current, 8.3ms Single Half Sine-wave
Superimposed on Rated Load (JEDEC method) (Note 2,3)
Maximum Instantaneous Forward Voltage at 25.0A for
Unidirectional Only
Operating and Storage Temperature Range
SMAJ Series
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2. Mounted on 5.0mm
3. 8.3ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minutes maximum.
1. for bidirectional use C or Ca suffix for types SMAJ5.0 through types SMAJ188.
2. Electrical characteristics apply in both directions.
Clamping Power Pulse waveform
Peak Pulse Power Rating Curve
Type Number
A
2
= 25°C, T
(0.013mm thick) copper pads to each terminal.
P
= 1ms (Note 1)
A
Page <2>
= 25°C.
Maximum Non-Repetitive Peak Forward Surge Current
Symbol
T
j,
I
Pulse Derating Curve
P
FSM
P
V
T
PK
d
F
STG
Minimum 400
-55 to +150
Value
40.0
3.5
1
29/01/10 V1.1
Watts
Amps
Units
Volts
°C