BD242, BD242A, BD242B, BD242C
PNP SILICON POWER TRANSISTORS
JUNE 1973 - REVISED MARCH 1997
electrical characteristics at 25°C case temperature
PARAMETER
Collector-emitter
breakdown voltage
TEST CONDITIONS
BD242
V
(BR)CEO
I
C
= -30 mA
(see Note 5)
V
CE
= -55 V
I
CES
Collector-emitter
cut-off current
Collector cut-off
current
Emitter cut-off
current
Forward current
transfer ratio
Collector-emitter
saturation voltage
Base-emitter
voltage
Small signal forward
current transfer ratio
Small signal forward
current transfer ratio
V
CE
= -70 V
V
CE
= -90 V
V
CE
= -115 V
I
CEO
I
EBO
h
FE
V
CE(sat)
V
BE
h
fe
V
CE
= -30 V
V
CE
= -60 V
V
EB
=
V
CE
=
V
CE
=
I
B
=
V
CE
=
-5 V
-4 V
-4 V
-0.6 A
-4 V
V
BE
= 0
V
BE
= 0
V
BE
= 0
V
BE
= 0
I
B
= 0
I
B
= 0
I
C
= 0
I
C
=
I
C
=
I
C
=
I
C
=
-1 A
-3 A
-3 A
-3 A
(see Notes 5 and 6)
(see Notes 5 and 6)
(see Notes 5 and 6)
f = 1 kHz
f = 1 MHz
20
3
25
10
-1.2
-1.8
V
V
I
B
= 0
BD242A
BD242B
BD242C
BD242
BD242A
BD242B
BD242C
BD242/242A
BD242B/242C
MIN
-45
-60
-80
-100
-0.2
-0.2
-0.2
-0.2
-0.3
-0.3
-1
mA
mA
mA
V
TYP
MAX
UNIT
V
CE
= -10 V
V
CE
= -10 V
I
C
= -0.5 A
I
C
= -0.5 A
|
h
fe
|
NOTES: 5. These parameters must be measured using pulse techniques, t
p
= 300 µs, duty cycle
≤
2%.
6. These parameters must be measured using voltage-sensing contacts, separate from the current carrying contacts.
thermal characteristics
PARAMETER
R
θ
JC
R
θ
JA
Junction to case thermal resistance
Junction to free air thermal resistance
MIN
TYP
MAX
3.125
62.5
UNIT
°C/W
°C/W
resistive-load-switching characteristics at 25°C case temperature
PARAMETER
t
on
t
off
†
TEST CONDITIONS
I
C
= -1 A
V
BE(off)
= 3.7 V
I
B(on)
= -0.1 A
R
L
= 20
Ω
†
MIN
I
B(off)
= 0.1 A
t
p
= 20 µs, dc
≤
2%
TYP
0.2
0.3
MAX
UNIT
µs
µs
Turn-on time
Turn-off time
Voltage and current values shown are nominal; exact values vary slightly with transistor parameters.
PRODUCT
INFORMATION
2
POINN [ POWER INNOVATIONS LTD ]
