Maximum ratings, Thermal characteristics, Dss5240y – Diodes DSS5240Y User Manual
Page 2
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DSS5240Y
Document number: DS31683 Rev. 2 - 2
2 of 6
October 2010
© Diodes Incorporated
DSS5240Y
Maximum Ratings
@T
A
= 25°C unless otherwise specified
Characteristic Symbol
Value
Unit
Collector-Base Voltage
V
CBO
-40 V
Collector-Emitter Voltage
V
CEO
-40 V
Emitter-Base Voltage
V
EBO
-5 V
Collector Current - Continuous
I
C
-2 A
Peak Pulse Collector Current
I
CM
-3 A
Base Current (DC)
I
B
-300 mA
Peak Base Current
I
BM
-1 A
Thermal Characteristics
Characteristic Symbol
Value
Unit
Power Dissipation (Note 4) @ T
A
= 25
°C P
D
625 mW
Thermal Resistance, Junction to Ambient (Note 4) @ T
A
= 25
°C
R
θJA
200
°C/W
Operating and Storage Temperature Range
T
J
, T
STG
-55 to +150
°C
Notes:
4. Device mounted on FR-4 PCB, with minimum recommended pad layout.
0
0.2
0.4
0.6
0.8
0
50
100
150
200
T , AMBIENT TEMPERATURE ( C)
A
°
Fig. 1 Power Dissipation vs. Ambient Temperature (Note 4)
P
,
P
O
WE
R
DI
SS
IP
A
T
IO
N (
W
)
D
R
C/W
θJA
°
= 200
0.1
1
10
100
V
, COLLECTOR EMITTER VOLTAGE (V)
Fig. 2 Safe Operating Area
CE
0.001
0.01
0.1
1
I,
C
O
LL
E
C
T
O
R
C
U
R
R
EN
T
(A
)
C
10
Pw = 100µs
0.0001
0.001
0.01
0.1
1
10
100
1,000
10,000
100,000
Fig. 3 Transient Thermal Response
t , PULSE DURATION TIME (s)
1
0.001
0.01
0.1
1
r(t
),
T
R
ANS
IEN
T
T
H
E
R
MA
L
R
ESI
S
T
AN
C
E
T - T = P * R
(t)
Duty Cycle, D = t /t
J
A
JA
1 2
θ
R
(t) = r(t) *
θJA
R
R
= 177°C/W
θ
θ
JA
JA
P(pk)
t
1
t
2
D = 0.7
D = 0.5
D = 0.3
D = 0.05
D = 0.02
D = 0.01
D = 0.005
D = Single Pulse
D = 0.9
D = 0.1