STF42
SMALL SIGNAL NPN TRANSIST OR
PRELIMINARY DATA
■SILICO N EP ITA X IAL PLANA R NPN HIG H
VOLTAGE TRANSISTOR
■MINIATURE SOT-89 PLASTIC PACKAGE
FOR SURFACE MOUNTING CIRCUITS
■TAPE AND REEL PACKING
■THE PNP COMPLEMENTARY TYPE IS
STF92
APPLICATIONS
■VIDE O AMPLIF IER CIRC UITS (RGB
CATHO DE CURRENT CONTROL)
■TELEPHONE WIRELINE INTERFACE (HOOK
SWITCHES, DIALER CIRCUITS)
INT E R NAL SCH E M ATI C DIAG RA M
May 2002
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
VCBO Collector-Base Voltage (IE = 0) 300 V
VCEO Collector-Emitter Voltage (IB = 0) 300 V
VEBO Emitter-Base Voltage (IC = 0) 5 V
ICCollector Current 0.1 A
ICM Collector Peak Current 0.2 A
Ptot Total Dissipation at TC = 25 oC 1.3 W
Tstg Storage Temp erature -65 to 150 oC
TjMax. Operating Junctio n Te mperature 150 oC
Type Marking
STF42 642
®
SOT-89
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THERMAL DATA
Rthj-amb •Thermal Resistance Junction-Ambient Max 96.1 oC/W
• Device mounted on a PCB area of 1 cm 2
ELE CT RICAL CHAR ACT ERISTI CS (Tcase = 25 oC unless otherwise specif ied)
Symbol Pa rameter Test Conditions Min. Typ. Max. Unit
ICBO Collector Cut-off
Current (IE = 0) VCB = 200 V
VCB = 200 V TC = 150 oC
VCB = 300 V
10
10
100
nA
µA
µA
IEBO Emitter Cut-off Current
(IC = 0) VEB = 5 V 50 nA
V(BR)CBO Collector-Base
Breakdown Voltage
(IE = 0)
IC = 100 µA300 V
V(BR)CEO∗Collector-Emitter
Breakdown Voltage
(IB = 0)
IC = 10 mA 300 V
V(BR)EBO Emitter-Base
Breakdown Voltage
(IC = 0)
IE = 100 µA 5V
V
CE(sat)∗Collector-Emitter
Saturation Voltage IC = 30 mA IB = 5 mA 0.6 V
VBE(sat)∗Base-Emitter
Saturation Voltage IC = 30 mA IB = 5 mA 1.2 V
hFE∗DC Current Gain IC = 30 mA VCE = 10 V 75
fTTransition Frequency IC = 15 mA VCE = 10 V f = 20 MHz 60 MHz
CCBO Collector-Base
Capacitance IE = 0 VCB = 10 V f = 1 MHz 6 pF
CEBO Emitter-Base
Capacitance IC = 0 VEB = 2 V f = 1 MHz 22 pF
∗ P ulsed: P ulse duration = 300 µs, d uty cy cle ≤ 1.5 %
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DIM. mm mils
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
P025H
SOT-89 MECHANICAL DATA
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Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequ ences
of use of such inform ation nor for any infringe ment o f patents or other rig hts o f th ird par ties wh ich may re sult fro m its use . N o l i cen se i s
granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specif ication mentioned in this publication are
subject to change without notice. This publication supersedes and r eplac es all information previously supplie d. STMicroelectronics products
ar e not aut horized for use as critical compo nents in life support devices or systems without express written approval of STMicroelectronics.
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