Diodes ZXTN25020BFH User Manual
ZXTN25020BFH
20V, SOT23, NPN medium power transistor
Summary
BV
> 50V
CEX
BV
> 20V
CEO
BV
> 3V
ECO
I
= 4.5A
C(cont)
V
R
P
Complementary part number ZXTP25020BFH
< 45 mV @ 1A
CE(sat)
= 27 m⍀
CE(sat)
= 1.25W
D
Description
Advanced process capability and package design have been used to
maximize the power handling and performance of this small outline
transistor. The compact size and ratings of this device make it ideally
suited to applications where space is at a premium.
Features
• High power dissipation SOT23 package
• High peak current
• Low saturation voltage
• 50V forward blocking voltage
• 3V reverse blocking voltage
Applications
• MOSFET gate drivers
• Motor control
• DC-DC converters
Ordering information
C
B
E
E
C
B
Pinout - top view
Device Reel size
(inches)
ZXTN25020BFHTA 7 8 3,000
Tape width
(mm)
Quantity per
reel
Device marking
1B1
Issue 1 - May 2006 1 www.zetex.com
© Zetex Semiconductors plc 2006
ZXTN25020BFH
Absolute maximum ratings
Parameter Symbol Limit Unit
Collector-base voltage V
Collector-emitter voltage (forward blocking) V
Collector-emitter voltage V
Emitter-collector voltage (reverse blocking) V
Emitter-base voltage V
Continuous collector current
(c)
Base current I
Peak pulse current I
Power dissipation at T
amb
=25°C
(a)
CBO
CEX
CEO
ECO
EBO
I
C
B
CM
P
D
50 V
50 V
20 V
3V
7V
4.5 A
1A
10 A
0.73 W
Linear derating factor 5.84 mW/°C
Power dissipation at T
amb
=25°C
(b)
P
D
1.05 W
Linear derating factor 8.4 mW/°C
Power dissipation at T
amb
=25°C
(c)
P
D
1.25 W
Linear derating factor 9.6 mW/°C
Power dissipation at T
amb
=25°C
(d)
P
D
1.81 W
Linear derating factor 14.5 mW/°C
Operating and storage temperature range T
j
, T
stg
- 55 to 150 °C
Thermal graphs
Parameter Symbol Limit Unit
Junction to ambient
Junction to ambient
Junction to ambient
Junction to ambient
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.
(a)
(b)
(c)
(d)
R
R
R
R
⍜JA
⍜JA
⍜JA
⍜JA
171 °C/W
119 °C/W
100 °C/W
69 °C/W
Issue 1 - May 2006 2 www.zetex.com
© Zetex Semiconductors plc 2006
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