BFX38
BFX39
BFX40
BFX41
MECHANICAL DATA
Dimensions in mm (inches)
PNP SILICON EPITAXIAL
TRANSISTOR
8 .8 9 (0 .3 5 )
9 .4 0 (0 .3 7 )
7 .7 5 (0 .3 0 5 )
8 .5 1 (0 .3 3 5 )
6 .1 0 (0 .2 4 0 )
6 .6 0 (0 .2 6 0 )
APPLICATIONS
• General Purpose Industrial Applications
0 .8 9 m a x .
(0 .0 3 5 )
7 .7 5 (0 .3 0 5 )
8 .5 1 (0 .3 3 5 )
d ia .
1 2 .7 0
(0 .5 0 0 )
m in .
DESCRIPTION
5 .0 8 (0 .2 0 0 )
ty p .
0 .6 6 (0 .0 2 6 )
1 .1 4 (0 .0 4 5 )
0 .7 1 (0 .0 2 8 )
0 .8 6 (0 .0 3 4 )
!
2 .5 4
(0 .1 0 0 )
The BFX38-41 are ailicon planar epitaxial
PNP transitors in Jedec TO39 metal case,
designed for a wide variety of applications.
4 5 °
TO39 PACKAGE
Pin 1 = Emitter
Pin 2 = Base
Pin 3 = Collector
ABSOLUTE MAXIMUM RATINGS
(T
case = 25°C unless otherwise stated)
V
CBO
V
CEO
V
EBO
I
C
P
tot
T
stg,
T
j
Collector – Base Voltage
Collector – Emitter Voltage
Emitter – Base Voltage
Collector Current
Total Power Dissipation Tamb < 25°C
Tcase < 25°C
Storage and Junction Temperature
BFX38
BFX39
-55V
-55V
-5V
-1A
0.8W
4W
BFX40
BFX41
-75V
-75V
–55 to 200°C
Semelab plc.
Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
Prelim.9/00
BFX38
BFX39
BFX40
BFX41
ELECTRICAL CHARACTERISTICS
(Tj = 25°C unless otherwise stated)
Parameter
Test Conditions
BFX38
I
CBO
Collector Cutoff Current
BFX39
BFX40
BFX41
BFX38
V
(BR)CBO
Collector-Base Breakdown Voltage
BFX39
BFX40
BFX41
BFX38
V
CEO(SUS)*
Collector Emitter Sustaining
Voltage
Emitter - Base
Breakdown Voltage
Collector- Emitter Saturation
Voltage
Base - Emitter Saturation
Voltage
BFX39
BFX40
BFX41
V
(BR)EBO
V
CE(SAT)*
V
BE(SAT)*
ALL
ALL
ALL
V
CB
= - 40V
T
amb
= 125°C
V
CB
= - 50V
T
amb
= 125°C
I
C
= -10
m
A
I
C
= -10
m
A
I
C
= -10mA
I
C
= -10mA
I
E
= 10
m
A
I
C
= -150mA
I
C
= -150mA
I
E
= 0
I
E
= 0
I
E
= 0
I
E
= 0
I
C
= 0
I
E
= -15mA
I
E
= -15mA
-55
V
- 75
-55
V
-75
-5
- 0.12
- 0.3
- 0.8
-0.9
60
85
60
30
40
25
30
15
25
10
*I
C
= - 100mA V
CE
= - 5V
T
amb
= - 55°C
BFX38 BFX40
BFX39 BFX41
30
15
90
130
120
45
70
65
—
- 0.15
- 0.5
- 0.9
-1.1
V
V
V
I
E
= 0
I
E
= 0
Min.
Typ.
- 0.2
-0.25
- 0.2
-0.25
Max.
- 50
-50
- 50
-50
Unit
nA
m
A
nA
m
A
I
C
= - 500mA I
E
= - 50mA
I
C
= - 500mA I
E
= - 50mA
BFX38 BFX40
I
C
= - 100
m
A
V
CE
= - 5V
*I
C
= - 100mA V
CE
= - 5V
*I
C
= - 500mA V
CE
= - 5V
BFX39 BFX41
I
C
= - 100
m
A
V
CE
= - 5V
*I
C
= - 100mA V
CE
= - 5V
h
FE
DC Current Gain
BFX38
BFX39
BFX40
BFX41
*I
C
= - 500mA V
CE
= - 5V
*I
C
= - 1A
V
CE
= - 5V
Semelab plc.
Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
Prelim.9/00
BFX38
BFX39
BFX40
BFX41
Parameter
f
T
C
EBO
C
CBO
t
on
t
s
t
f
Transitions Frequency
Emitter - Base Capacitance
Collector - Base Capacitance
Turn-on time
Storage Time
Fall Time
Test Conditions
I
C
= -50mA
f =100MHz
I
C
= 0
f =1MHz
I
E
= 0
f =1MHz
I
C
= - 500mA
I
B1
= -50mA
I
C
= - 500mA
I
C
= - 500mA
V
CC
= - 30V
V
CC
= - 30V
I
B1
= - I
B2
= -50mA
I
B1
= - I
B2
= -50mA
V
CC
= -30V
V
CB
= -10V
V
EB
= -0.5V
V
CE
= -10V
Min.
100
Typ.
150
75
15
33
160
27
Max.
Unit
MHz
120
pF
20
100
350
50
ns
* Pulsed: pulse duration = 300
m
s, duty cycle = 1%
THERMAL CHARACTERISTICS
R
q
th(j-case)
Thermal Resistance Junction to case
R
q
th(j-amb)
Thermal Resistance Junction to ambient
44
219
°C/W
°C/W
Semelab plc.
Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
Prelim.9/00