isc
Silicon NPN Darlington Power Transistor
YZ21D
DESCRIPTION
·High
DC Current Gain-
: h
FE
= 500(Min)@ I
C
=
2A
·Collector-Emitter
Sustaining Voltage-
: V
CEO(SUS)
= 110V(Min)
APPLICATIONS
·Designed
for general purpose amplifier and low speed
switching applications.
ABSOLUTE MAXIMUM RATINGS(T
a
=25℃)
SYMBOL
V
CBO
V
CEO
V
EBO
I
C
I
CM
P
C
T
j
T
stg
PARAMETER
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current-Continuous
Collector Current-Peak
Collector Power Dissipation
@T
C
=25℃
Junction Temperature
Storage Temperature Range
VALUE
110
110
5
5
10
50
150
-55~150
UNI
T
V
V
V
A
A
W
℃
℃
THERMAL CHARACTERISTICS
SYMBOL
R
th j-c
PARAMETER
Thermal Resistance, Junction to Case
MAX
1.56
UNI
T
℃
/W
isc website
：
www.iscsemi.com
1
isc & iscsemi
is registered trademark
isc
Silicon NPN Darlington Power Transistor
ELECTRICAL CHARACTERISTICS
T
C
=25℃ unless otherwise specified
SYMBOL
V
CEO(SUS)
V
CE
(sat)
V
BE
(sat)
I
CBO
I
EBO
h
FE
PARAMETER
Collector-Emitter Sustaining Voltage
Collector-Emitter Saturation Voltage
Base-Emitter Saturation Voltage
Collector Cutoff current
Emitter Cutoff Current
DC Current Gain
CONDITIONS
I
C
= 30mA, I
B
= 0
I
C
= 2A ,I
B
= 10mA
I
C
=2A ,I
B
= 10mA
V
CB
= 110V, I
E
= 0
V
EB
= 5V; I
C
= 0
I
C
=2A ; V
CE
= 5V
500
MIN
110
TYP.
YZ21D
MAX
UNIT
V
2.0
2.5
0.1
2
6000
V
V
mA
mA
NOTICE：
ISC reserves the rights to make changes of the content herein the datasheet at any time without
notification. The information contained herein is presented only as a guide for the applications of
our products.
ISC products are intended for usage in general electronic equipment. The products are not
designed for use in equipment which require specialized quality and/or reliability, or in equipment
which could have applications in hazardous environments, aerospace industry, or medical
field. Please contact us if you intend our products to be used in these special applications.
ISC makes no warranty or guarantee regarding the suitability of its products for any particular
purpose, nor does ISC assume any liability arising from the application or use of any products, and
specifically disclaims any and all liability, including without limitation special, consequential or
incidental damages.
isc website
：
www.iscsemi.com
2
isc & iscsemi
is registered trademark
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