BC817-25
®
SMALL SIGNAL NPN TRANSIS TORS
Type Marking
BC817-25 6B
BC817-40 6C
■ SILICON EPI TAX IA L PLANAR N PN
TRANSISTORS
■ MINIATURE SOT-23 PLASTIC PACKAGE
FOR SURFACE MOUNTING CIRCUITS
■ TAPE AND REEL PACKING
■ THE PNP COMPLEMENTARY TYPES ARE
BC807-25 AND BC817-40 RESPECT I VEL Y
APPLICATIONS
■ WELL SUITABLE FOR PORT AB LE
EQUIPM ENT
■ SMALL LOAD SWITCH TRANSISTORS
WITH HIGH GAIN AND LO W SA TUR ATION
VOLTAG E
BC817-40
PRELIMINARY DATA
SOT-23
INTER NAL SCH E M ATI C DIAG RA M
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
V
V
I
P
T
September 2002
Collector-Base Voltage (IE = 0) 50 V
CBO
Collector-Emitter Voltage (IB = 0) 45 V
CEO
Emitter-Base Voltage (IC = 0) 5 V
EBO
Collector Current 0.5 A
I
C
Collector Peak Current 1 A
CM
Total Dissipation at TC = 25 oC 250 mW
tot
Storage Temperature -65 to 150
stg
Max. Operating Junction Temperature 150
T
j
o
C
o
C
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BC817-25 / BC817-40
THERMAL DATA
R
• Device mounted on a PCB area of 1 cm
• Thermal Resistance Junction-Ambient Max 500
thj-amb
o
2
C/W
ELECTRICAL CHARACTERISTICS (T
= 25 oC unless otherwise specified)
case
Symbol Parameter Test Conditions Min. Typ. Max. Unit
I
CBO
I
EBO
V
(BR)CEO
Collector Cut-off
Current (I
= 0)
E
Emitter Cut-off Current
(I
= 0)
E
∗ Collector-Emitter
= 20 V
V
CB
V
= 20 V TC = 150oC
CB
= 5 V 100 nA
V
EB
I
= 10 mA 45 V
C
100
5
Breakdown Voltage
(I
= 0)
B
∗ Collector-Emitter
V
CE(sat)
IC = 500 mA IB = 50 mA 0.7 V
Saturation Voltage
V
∗ Base-Emitter On
BE(on)
IC = 500 mA VCE = 1 V 1.2 V
Voltage
h
∗ DC Current Gain IC = 100 mA VCE = 1 V
FE
f
C
CBO
Transition Frequency IC = 10 mA VCE = 5 V f =100 MHz 100 MHz
T
Collector-Base
for BC817-25
for BC817-40
160
250
400
600
IE = 0 VCB = 10 V f = 1 MHz 8 pF
Capacitance
∗ Pulsed: Pulse duration = 300 µs, duty cycle ≤ 2 %
nA
µA
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SOT-23 MECHANICAL DATA
BC817-25 / BC817-40
DIM.
MIN. TYP. MAX. MIN. TYP. MAX.
A 0.85 1.1 33.4 43.3
B 0.65 0.95 25.6 37.4
C 1.20 1.4 47.2 55.1
D 2.80 3 110.2 118
E 0.95 1.05 37.4 41.3
F 1.9 2.05 74.8 80.7
G2.1 2.582.6 98.4
H 0.38 0.48 14.9 18.8
L0.3 0.611.8 23.6
M 0 0.1 0 3.9
N 0.3 0.65 11.8 25.6
O 0.09 0.17 3.5 6.7
mm mils
0044616/B
3/4
BC817-25 / BC817-40
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences
of use of such inform ation nor for any infringe ment o f patents or other rig hts o f third par ties which ma y resul t from i ts use. N o li cen se is
granted by implicatio n or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are
subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products
are not authorized for use as critical compo nents in life support devices or systems without express written approval of STMicroelectronics.
The ST logo is a trademark of STMicroelectronics
© 2002 STMicroelectro nics – Printed in Italy – All Rights Reserved
STMicroelectronics GROUP OF COMPANIES
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