Thermal characteristics, Electrical characteristics – Diodes PSMAJ400(C)A User Manual
Page 2

PSMAJ400(C)A
Document number: DS35914 Rev. 3 - 2
2 of 4
November 2012
© Diodes Incorporated
PSMAJ400(C)A
ADVAN
CE I
N
F
O
RM
ATI
O
N
Thermal Characteristics
Characteristic
Symbol
Value
Unit
Operating Temperature Range
T
J
-55 to +150
°C
Storage Temperature Range
T
STG
-55 to +175
°C
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Part Number
Add C For
Bidirectional
(Note 8)
Reverse
Standoff
Voltage
Breakdown
Voltage
V
BR
@ I
T
(Note 9)
Test
Current
Max. Reverse
Leakage @ V
RWM
Max. Clamping
Voltage @ I
pp
Max. Peak Pulse
Current
I
pp
Marking Code
V
RWM
(V)
Min (V) Max (V)
I
T
(mA) I
R
(
μA) V
C
(V)
(A) BI-
UNI-
PSMAJ400(C)A 342 380 420 1.0
5.0
548.0
0.73
400C
400A
Notes:
8. Suffix C denotes Bi-directional device.
9. V
BR
measured with I
T
current pulse = 300
μs
10 X 1000 Waveform
as defined by REA
0
25
50
75
100
125 150
175
200
100
75
50
25
0
T , AMBIENT TEMPERATURE ( C)
Figure 1 Pulse Derating Curve
A
°
P
EAK
P
U
L
SE D
E
R
A
T
IN
G
I
N
%
O
F
PEAK
POW
E
R OR CURR
ENT
0.1
1.0
10
100
1,000
10,000
T = +25 C
J
°
P
, P
EAK
PUL
S
E PO
W
E
R (
k
W
)
PK
100
Non repetitive
pulse waveform
shown in Fig. 3
t PULSE WIDTH (µs)
Figure 2 Pulse Rating Curve
p
10
1.0
0.1
I
,
PEAK
P
U
L
SE CU
RRENT (
%
I
)
Pp
p
t, TIME (ms)
Figure 3 Pulse Waveform
0
60
50
40
30
20
10
2
5
10
I,
P
EA
K
F
O
R
WA
R
D S
U
R
G
E
C
U
R
R
EN
T
(A
)
FS
M
NUMBER OF CYCLES AT 60Hz
Figure 4 Maximum Non-Repetitive Surge Current
20
50
100
1