Page 1
®
SMALL SIGNAL NPN TRANSI STOR
Type Marking
BF620 620
■ SILICON EPI TAX IA L PLANAR N PN HIGH
VOLTAGE TRANSISTOR
■ MINIATURE SOT-89 PLASTIC PACKAGE
FOR SURFACE MOUNTING CIRCUITS
■ TAPE AND REEL PACKING
■ THE PNP COMPLEMENTARY TYPE IS
BF621
BF620
PRELIMINARY DATA
APPLICATIONS
■ VIDEO AMPLIFIER CIRC UITS (RGB
SOT-89
CATHODE CURRENT CONTROL)
■ TELEPHONE WIRELINE INTERFACE (HOOK
SWITCHES, DIALER CIRCUITS)
INTER NAL SCH E M ATI C DIAG RA M
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
V
V
I
P
T
Collector-Base Voltage (IE = 0) 300 V
CBO
Collector-Emitter Voltage (IB = 0) 300 V
CEO
Emitter-Base Voltage (IC = 0) 5 V
EBO
Collector Current 100 mA
I
C
Collector Peak Current 200 mA
CM
Total Dissipation at TC = 25 oC 1.2 W
tot
Storage Temperature -65 to 150
stg
Max. Operating Junction Temperature 150
T
j
o
C
o
C
May 2002
1/4
Page 2
BF620
THERMAL DATA
R
• Device mounted on a PCB area of 1 cm
• Thermal Resistance Junction-Ambient Max 104.1
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)
C
∗ Collector-Emitter
= 200 V
V
CB
V
= 200 V TC = 150 oC
CB
V
= 300 V
CB
= 5 V 50 nA
V
EB
= 10 mA 300 V
I
C
10
10
100
Breakdown Voltage
(I
= 0)
B
V
(BR)EBO
Emitter-Base
= 100 µA
I
E
5V
Breakdown Voltage
(I
= 0)
C
V
∗ Collector-Emitter
CE(sat)
IC = 30 mA IB = 5 mA 0.6 V
Saturation Voltage
V
∗ Base-Emitter
BE(sat)
IC = 30 mA IB = 5 mA 1.2 V
Saturation Voltage
h
∗ DC Current Gain IC = 25 mA VCE = 20 V 50
FE
f
C
CBO
Transition Frequency IC = 15 mA VCE = 10 V f =20 MHz 60 MHz
T
Collector-Base
IE = 0 VCB = 10 V f = 1MHz 6 pF
Capacitance
C
EBO
Emitter-Base
IC = 0 VEB = 2 V f = 1MHz 22 pF
Capacitance
∗ Pulsed: Pulse duration = 300 µs, duty cycle ≤ 2 %
nA
µA
µA
2/4
Page 3
SOT-89 MECHANICAL DATA
BF620
DIM.
MIN. TYP. MAX. MIN. TYP. MAX.
A 1.4 1.6 55.1 63.0
B 0.44 0.56 17.3 22.0
B1 0.36 0.48 14.2 18.9
C 0.35 0.44 13.8 17.3
C1 0.35 0.44 13.8 17.3
D 4.4 4.6 173.2 181.1
D1 1.62 1.83 63.8 72.0
E 2.29 2.6 90.2 102.4
e 1.42 1.57 55.9 61.8
e1 2.92 3.07 115.0 120.9
H 3.94 4.25 155.1 167.3
L 0.89 1.2 35.0 47.2
mm mils
P025H
3/4
Page 4
BF620
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 un der 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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