BD243B/BD243C
BD244B/BD244C
COMPLEMENTARY SILICON POWER TR ANSISTORS
STMicr o electronics PREF E RRED
SALESTYPES
DESCRIPTION
The BD243B and BD243C are silicon
Epitaxial-Base NPN transistors mounted in Jedec
TO-220 plastic package.
They are inteded for use in medium power linear
and switching applications.
The complementary PNP types are BD244B and
BD244C respectiv ely.
®
INT E R NAL SCH E M ATI C DIAG RA M
September 1999
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
NPN BD243B BD243C
PNP BD244B BD244C
VCBO Collector-Base Voltag e (IE = 0) 80 100 V
VCEO Collector-Emitter Voltage (IB = 0) 80 100 V
VEBO Emitter-Base Voltage (IC = 0) 5 V
ICCollector Current 6 A
ICM Collector Peak Current 10 A
IBBase Current 2 A
Ptot Total Dissipation at Tc 25 oC65 W
Tstg Storage Temperature -65 to 150 oC
TjMax. Operating Junction Temperature 150 oC
For PN P types voltage and current values are negative.
123
TO-220
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THERMAL DATA
Rthj-case
Rthj-amb Thermal Resistance Junction-case Max
Thermal Resistance Junction-ambient Max 1.92
62.5
oC/W
oC/W
ELE CT RICAL CHAR ACT ERISTICS (Tcase = 25 oC unless otherwise specif ied)
Symbol Pa ra meter Test Conditions Min. Typ. Max. Unit
ICES Collector Cut-off
Current (VBE = 0) VCE = rated VCEO 0.4 mA
ICEO Collector Cut-off
Current (IB = 0) VCE = 60 V 0.7 mA
IEBO Emitter Cut-off Current
(IC = 0) VEB = 5 V 1 mA
VCEO(sus)Collector-Emitter
Sustaining Voltage
(IB = 0)
IC = 30 mA
for BD243B/BD244B
for BD243C/BD244C 80
100 V
V
VCE(sat)Collector-Emitter
Saturation Voltage IC = 6 A IB = 1 A 1.5 V
VBEBase-Emitter Voltage IC = 6 A VCE = 4 V 2 V
hFEDC Current Ga in IC = 0.3 A VCE = 4 V
IC = 3 A VCE = 4 V 30
15
hfe Small Signal Current
Gain IC = 0.5 A VCE = 10 V f = 1MHz
IC = 0.5 A VCE = 10 V f = 1KHz 3
20
P ulsed: P ulse duratio n = 300 µs, duty cycle 2 %
For PNP types volt ag e and cu rrent values are negative.
Safe O perat ing Area
BD243B / BD243C / BD244B / BD244C
2/4
DIM. mm inch
MIN. TYP. MAX. MIN. TYP. MAX.
A 4.40 4.60 0.173 0.181
C 1.23 1.32 0.048 0.051
D 2.40 2.72 0.094 0.107
D1 1.27 0.050
E 0.49 0.70 0.019 0.027
F 0.61 0.88 0.024 0.034
F1 1.14 1.70 0.044 0.067
F2 1.14 1.70 0.044 0.067
G 4.95 5.15 0.194 0.203
G1 2.4 2.7 0.094 0.106
H2 10.0 10.40 0.393 0.409
L2 16.4 0.645
L4 13.0 14.0 0.511 0.551
L5 2.65 2.95 0.104 0.116
L6 15.25 15.75 0.600 0.620
L7 6.2 6.6 0.244 0.260
L9 3.5 3.93 0.137 0.154
DIA. 3.75 3.85 0.147 0.151
P011C
TO-220 MECHA NICAL DATA
BD243B / BD243C / BD244B / BD244C
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BD243B / BD243C / BD244B / BD244C
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