BDX34, BDX34A, BDX34B, BDX34C, BDX34D
PNP SILICON POWER DARLINGTONS
 
1
AUGUST 1993 - REVISED SEPTEMBER 2002
Specifications are subject to change without notice.
Designed for Complementary Use with
BDX33, BDX33A, BDX33B, BDX33C and
BDX33D
70 W at 25°C Case Temperature
10 A Continuous Collector Current
Minimum hFE of 750 at 3 V, 3 A
absolute maximum ratings at 25°C case temperature (unless otherwise noted)
NOTES: 1. Derate linearly to 150°C case temperature at the rate of 0.56 W/°C.
2. Derate linearly to 150°C free air temperature at the rate of 16 mW/°C.
RATING SYMBOL VALUE UNIT
Collector-base voltage (IE = 0)
BDX34
BDX34A
BDX34B
BDX34C
BDX34D
VCBO
-45
-60
-80
-100
-120
V
Collector-emitter voltage (IB = 0)
BDX34
BDX34A
BDX34B
BDX34C
BDX34D
VCEO
-45
-60
-80
-100
-120
V
Emitter-base voltage VEBO -5 V
Continuous collector current IC-10 A
Continuous base current IB-0.3 A
Continuous device dissipation at (or below) 2C case temperature (see Note 1) Ptot 70 W
Continuous device dissipation at (or below) 25°C free air temperature (see Note 2) Ptot 2W
Operating free air temperature range TJ-65 to +150 °C
Storage temperature range Tstg -65 to +150 °C
Operating free-air temperature range TA-65 to +150 °C
B
C
E
TO-220 PACKAGE
(TOP VIEW)
Pin 2 is in electrical contact with the mounting base.
MDTRACA
1
2
3
This series is obsolete and
not recommended for new designs.
OBSOLETE
BDX34, BDX34A, BDX34B, BDX34C, BDX34D
PNP SILICON POWER DARLINGTONS
2
 
AUGUST 1993 - REVISED SEPTEMBER 2002
Specifications are subject to change without notice.
NOTES: 3. These parameters must be measured using pulse techniques, tp = 300 µs, duty cycle 2%.
4. These parameters must be measured using voltage-sensing contacts, separate from the current carrying contacts.
electrical characteristics at 2C case temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V(BR)CEO
Collector-emitter
breakdown voltage IC = -100 mA IB = 0 (see Note 3)
BDX34
BDX34A
BDX34B
BDX34C
BDX34D
-45
-60
-80
-100
-120
V
ICEO
Collector-emitter
cut-off current
VCE = -30 V
VCE = -30 V
VCE = -40 V
VCE = -50 V
VCE = -60 V
VCE = -30 V
VCE = -30 V
VCE = -40 V
VCE = -50 V
VCE = -60 V
IB=0
IB=0
IB=0
IB=0
IB=0
IB=0
IB=0
IB=0
IB=0
IB=0
TC = 100°C
TC = 100°C
TC = 100°C
TC = 100°C
TC = 100°C
BDX34
BDX34A
BDX34B
BDX34C
BDX34D
BDX34
BDX34A
BDX34B
BDX34C
BDX34D
-0.5
-0.5
-0.5
-0.5
-0.5
-10
-10
-10
-10
-10
mA
ICBO
Collector cut-off
current
VCB = -45 V
VCB = -60 V
VCB = -80 V
VCB = -100 V
VCB = -120 V
VCB = -45 V
VCB = -60 V
VCB = -80 V
VCB = -100 V
VCB = -120 V
IE=0
IE=0
IE=0
IE=0
IE=0
IE=0
IE=0
IE=0
IE=0
IE=0
TC = 100°C
TC = 100°C
TC = 100°C
TC = 100°C
TC = 100°C
BDX34
BDX34A
BDX34B
BDX34C
BDX34D
BDX34
BDX34A
BDX34B
BDX34C
BDX34D
-1
-1
-1
-1
-1
-5
-5
-5
-5
-5
mA
IEBO
Emitter cut-off
current VEB = -5 V IC=0 -10 mA
hFE
Forward current
transfer ratio
VCE = -3 V
VCE = -3 V
VCE = -3 V
VCE = -3 V
VCE = -3 V
IC=-4 A
IC=-4 A
IC=-3 A
IC=-3 A
IC=-3 A
(see Notes 3 and 4)
BDX34
BDX34A
BDX34B
BDX34C
BDX34D
750
750
750
750
750
VBE(on)
Base-emitter
voltage
VCE = -3 V
VCE = -3 V
VCE = -3 V
VCE = -3 V
VCE = -3 V
IC=-4 A
IC=-4 A
IC=-3 A
IC=-3 A
IC=-3 A
(see Notes 3 and 4)
BDX34
BDX34A
BDX34B
BDX34C
BDX34D
-2.5
-2.5
-2.5
-2.5
-2.5
V
VCE(sat)
Collector-emitter
saturation voltage
IB = -8 mA
IB = -8 mA
IB = -6 mA
IB = -6 mA
IB = -6 mA
IC=-4 A
IC=-4 A
IC=-3 A
IC=-3 A
IC=-3 A
(see Notes 3 and 4)
BDX34
BDX34A
BDX34B
BDX34C
BDX34D
-2.5
-2.5
-2.5
-2.5
-2.5
V
VEC
Parallel diode
forward voltage IE = -8 A IB = 0 -4 V
OBSOLETE
BDX34, BDX34A, BDX34B, BDX34C, BDX34D
PNP SILICON POWER DARLINGTONS
3
 
AUGUST 1993 - REVISED SEPTEMBER 2002
Specifications are subject to change without notice.
Voltage and current values shown are nominal; exact values vary slightly with transistor parameters.
thermal characteristics
PARAMETER MIN TYP MAX UNIT
RθJC Junction to case thermal resistance 1.78 °C/W
RθJA Junction to free air thermal resistance 62.5 °C/W
resistive-load-switching characteristics at 25°C case temperature
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
ton Tu r n -o n t i m e I C = -3 A
VBE(off) = 3.5 V
IB(on) = -12 mA
RL = 10
IB(off) = 12 mA
tp = 20 µs, dc 2%
s
toff Turn-off time s
OBSOLETE
BDX34, BDX34A, BDX34B, BDX34C, BDX34D
PNP SILICON POWER DARLINGTONS
4
 
AUGUST 1993 - REVISED SEPTEMBER 2002
Specifications are subject to change without notice.
TYPICAL CHARACTERISTICS
Figure 1. Figure 2.
Figure 3.
TYPICAL DC CURRENT GAIN
vs
COLLECTOR CURRENT
IC - Collector Current - A
-0·5 -1·0 -10
hFE - Typical DC Current Gain
50000
100
1000
10000
TCS135AF
TC = -40°C
TC = 25°C
TC = 100°C
VCE = -3 V
tp = 300 µs, duty cycle < 2%
COLLECTOR-EMITTER SATURATION VOLTAGE
vs
COLLECTOR CURRENT
IC - Collector Current - A
-0·5 -1·0 -10
VCE(sat) - Collector-Emitter Saturation Voltage - V
-2·0
-1·5
-1·0
-0·5
TCS135AH
TC = -40°C
TC = 25°C
TC = 100°C
tp = 300 µs, duty cycle < 2%
IB = IC / 100
BASE-EMITTER SATURATION VOLTAGE
vs
COLLECTOR CURRENT
IC - Collector Current - A
-0·5 -1·0 -10
VBE(sat) - Base-Emitter Saturation Voltage - V
-3·0
-2·5
-2·0
-1·5
-1·0
-0·5
TCS135AJ
TC = -40°C
TC = 25°C
TC = 100°C
IB = IC / 100
tp = 300 µs, duty cycle < 2%
OBSOLETE
BDX34, BDX34A, BDX34B, BDX34C, BDX34D
PNP SILICON POWER DARLINGTONS
5
 
AUGUST 1993 - REVISED SEPTEMBER 2002
Specifications are subject to change without notice.
THERMAL INFORMATION
Figure 4.
MAXIMUM POWER DISSIPATION
vs
CASE TEMPERATURE
TC - Case Temperature - °C
0 255075100125150
Ptot - Maximum Power Dissipation - W
0
10
20
30
40
50
60
70
80 TIS130AB
OBSOLETE