BFX38
BFX39
BFX40
BFX41
Document Number 3084
Issue 1
Semelab plc. Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
VCBO Collector – Base Voltage
VCEO Collector – Emitter Voltage
VEBO Emitter – Base Voltage
ICCollector Current
Ptot Total Power Dissipation Tamb < 25°C
Tcase < 25°C
Tstg,TjStorage and Junction Temperature
-5V
-1A
0.8W
4W
–55 to 200°C
MECHANICAL DATA
Dimensions in mm (inches) PNP SILICON EPITAXIAL
TRANSISTOR
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated)
APPLICATIONS
• General Purpose Industrial Applications
0.89
(0.035)max.
12.70
(0.500)
min. 0.41 (0.016)
0.53 (0.021)
dia.
5.08 (0.200)
typ.
0.71 (0.028)
0.86 (0.034)
2.54
(0.100)
45°
6.10 (0.240)
6.60 (0.260)
8.51 (0.34)
9.40 (0.37)
7.75 (0.305)
8.51 (0.335)
123
0.74 (0.029)
1.14 (0.045)
TO39 PACKAGE
Pin 1 = Emitter Pin 2 = Base Pin 3 = Collector
BFX38
BFX39 BFX40
BFX41
-55V
-55V
-75V
-75V
DESCRIPTION
The BFX38-41 are Silicon Planar Epitaxial
PNP transitors in Jedec TO39 metal case,
designed for a wide variety of applications.
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
BFX38 VCB = - 40V IE = 0
BFX39 Tamb = 125°C
BFX40 VCB = - 50V IE = 0
BFX41 Tamb = 125°C
BFX38
BFX39
BFX40
BFX41
BFX38
BFX39
BFX40
BFX41
ALL IE = -10µAI
C= 0
ALL
ALL
BFX38 BFX40
IC= - 100µAV
CE = - 5V
IC= - 100mA VCE = - 5V
IC= - 500mA VCE = - 5V
BFX39 BFX41
IC= - 100µAV
CE = - 5V
IC= - 100mA VCE = - 5V
IC= - 500mA VCE = - 5V
IC= - 1A VCE = - 5V
BFX38
BFX39
BFX40
BFX41 IC= - 100mA VCE = - 5V
Tamb = - 55°C
BFX38 BFX40
BFX39 BFX41
Parameter Test Conditions Min. Typ. Max. Unit
ELECTRICAL CHARACTERISTICS (Tj= 25°C unless otherwise stated)
BFX38
BFX39
BFX40
BFX41
Document Number 3084
Issue 1
Semelab plc. Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
Collector Cutoff Current
Collector-Base Breakdown Voltage
Collector Emitter Sustaining
Voltage
Emitter - Base
Breakdown Voltage
Collector- Emitter Saturation
Voltage
Base - Emitter Saturation
Voltage
DC Current Gain
- 0.2 - 50
-0.25 -50
- 0.2 - 50
-0.25 -50
-55
- 75
-55
-75
-5
- 0.12 - 0.15
- 0.3 - 0.5
- 0.8 - 0.9
-0.9 -1.1
60 90
85 130
60 120
30 45
40 70
25 65
30
15
25
10
30
15
nA
µA
nA
µA
V
V
V
V
V
—
ICBO
V(BR)CBO
VCEO(SUS)*
V(BR)EBO
VCE(SAT)*
VBE(SAT)*
hFE*
IC= -150mA IB = -15mA
IC= - 500mA IB = - 50mA
IC= -150mA IB = -15mA
IC= - 500mA IB = - 50mA
IC= -10µAI
E = 0
IC= -10µAI
E = 0
IC= -10mA IB = 0
IC= -10mA IB = 0
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Parameter Test Conditions Min. Typ. Max. Unit
IC= -50mA VCE = -10V
f =100MHz
IC= 0 VEB = -0.5V
f =1MHz
IE= 0 VCB = -0.5V
f =1MHz
IC= - 500mA VCC = -30V
IB1 = -50mA
IC= - 500mA VCC = - 30V
IB1 = IB2 = -50mA
IC= - 500mA VCC = - 30V
IB1 = - IB2 = -50mA
BFX38
BFX39
BFX40
BFX41
Document Number 3084
Issue 1
Semelab plc. Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
THERMAL CHARACTERISTICS
Rθth(j-case) Thermal Resistance Junction to case 44 °C/W
Rθth(j-amb) Thermal Resistance Junction to ambient 219 °C/W
Transitions Frequency
Emitter - Base Capacitance
Collector - Base Capacitance
Turn-on time
Storage Time
Fall Time
100 150
75 120
15 20
33 100
160 350
27 50
MHz
pF
ns
fT
CEBO
CCBO
ton
ts
tf
* Pulsed: pulse duration = 300µs, duty cycle = 1%
