BSR41
BSR43
SMALL SIGNAL NPN TRANSISTORS
PRELIMINARY DATA
■SILICO N EP ITA X IAL PLANA R PNP MEDI UM
VOLTAGE TRANSISTORS
■SOT-89 PLA ST IC PA CKAG E FOR SURF ACE
MOUNTING CIRCUITS
■TAPE AND REEL PACKING
■THE PNP COMPLEMENTARY TYPES ARE
BSR31 AND BSR33 RES PECT I VEL Y
APPLICATIONS
■MEDIUM VOLTAGE LOAD SWITCH
TRANSISTORS
■OUTPUT STAGE FOR AUDIO AMPLIFIERS
CIRCUITS
■AUTOM O TIVE PO ST-VOLTAGE
REGULATION
®
INTERNAL SCHEMATIC DIAG RAM
March 2003
A BSO LUT E MAX IMU M RATIN GS
Symbol Parameter Value Unit
BSR41 BSR43
VCBO Collector-Base Voltage (IE = 0) 70 90 V
VCEO Collector-Emitter Voltage (IB = 0) 60 80 V
VEBO Emitter-Base Voltage (IC = 0) 5 V
ICCollector Current 1 A
ICM Collector Peak Current (t p < 5 ms) 2 A
IBBase Current 0.1 A
IBM Base Peak Current (tp < 5 ms) 0.2 A
Ptot Total Dissipation at Tamb = 25 oC 1.35 W
Tstg Storage Temperature -65 to 150 oC
TjMax. Operating Junction Temperature 150 oC
SOT-89
Ordering Code Marking
BSR41 R41
BSR43 R43
1/4
THERMAL DATA
Rthj-amb • Thermal Resistance Junction-Ambient Max 92.6 oC/W
• Device mounted on a PCB area of 1 cm2
ELE CT RICAL CHAR ACT ERISTICS (Tcase = 25 oC unless otherwise specif ied)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
ICBO Collector Cut-off
Current (IE = 0) VCB = 60 V
VCB = 60 V Tj = 150 oC100
50 nA
µA
IEBO Emitter Cut-off Current
(IC = 0) VEB = 5 V 100 nA
V(BR)CBO Collector-Base
Breakdown Voltage
(IE = 0)
IC = 100 µA
for BSR41
for BSR43 70
90 V
V
V(BR)CEO∗Collector-Emitter
Breakdown Voltage
(IB = 0)
IC = 20 mA
for BSR41
for BSR43 60
80 V
V
V(BR)EBO Emitter-Base
Breakdown Voltage
(IC = 0)
IE = 10 µA 5V
V
CE(sat)∗Collector-Emitter
Saturation Voltage IC = 150 mA IB = 15 mA
IC = 500 mA IB = 50 mA 0.25
0.5 V
V
VBE(sat)∗Base-Emitter
Saturation Voltage IC = 150 mA IB = 15 mA
IC = 500 mA IB = 50 mA 1
1.2 V
V
hFE∗DC Current Gain IC = 100 µA VCE = 5 V
IC = 100 mA VCE = 5 V
IC = 500 mA VCE = 5 V
30
100
50 300
fTTransition Frequency IC = 50 mA VCE = 10 V
f = 100 MHz 100 MHz
∗ P ulsed: P ulse duration = 300 µs, d uty cy cle ≤ 1.5 %
BSR41 BSR43
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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
BSR41 BSR43
3/4
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subject to change without notice. This publication supersedes and replaces all information previously supplie d. S TMicroelectronics products
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BSR41 BSR43
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