Absolute maximum ratings, Thermal resistance – Diodes ZXTN25040DZ User Manual
Page 2

ZXTN25040DZ
© Zetex Semiconductors plc 2007
Absolute maximum ratings
NOTES:
(a) For a device surface mounted on 15mm x 15mm x 1.6mm FR4 PCB with high coverage of single sided 1oz copper, in
still air conditions.
(b) Mounted on 25mm x 25mm x 1.6mm FR4 PCB with a high coverage of single sided 2 oz copper in still air conditions.
(c) Mounted on 50mm x 50mm x 1.6mm FR4 PCB with a high coverage of single sided 2 oz copper in still air conditions.
(d) As (c) above measured at t<5secs.
Parameter
Symbol
Limit
Unit
Collector-base voltage
V
CBO
130
V
Collector-emitter voltage (forward blocking)
V
CEX
130
V
Collector-emitter voltage
V
CEO
40
V
Emitter-collector voltage (reverse blocking)
V
ECO
6
V
Emitter-base voltage
V
EBO
7
V
Continuous collector current
I
C
5
A
Base current
I
B
1
A
Peak pulse current
I
CM
10
A
Power dissipation at T
amb
= 25°C
P
D
1.1
W
Linear derating factor
8.8
mW/°C
Power dissipation at T
amb
= 25°C
P
D
1.8
W
Linear derating factor
14.4
mW/°C
Power dissipation at T
amb
= 25°C
P
D
2.4
W
Linear derating factor
19.2
mW/°C
Power dissipation at T
amb
= 25°C
P
D
4.46
W
Linear derating factor
35.7
mW/°C
Operating and storage temperature range
T
j
, T
stg
- 55 to 150
°C
Thermal resistance
Parameter
Symbol
Limit
Unit
Junction to ambient
R
⍜JA
117
°C/W
Junction to ambient
R
⍜JA
68
°C/W
Junction to ambient
R
⍜JA
51
°C/W
Junction to ambient
R
⍜JA
28
°C/W