HIGH CURRENT GENERAL
PURPOSE TRANSISTOR
BFX34
•
•
•
•
Silicon Epitaxial NPN Transistor
High Speed, Low Saturation Switch
Hermetic TO39 Package
Screening Options Available
ABSOLUTE MAXIMUM RATINGS
(TC = 25°C unless otherwise stated)
VCBO
VCEO
VEBO
IB
IC
ICM
PD
TJ
Tstg
Collector – Base Voltage
Collector – Emitter Voltage
Emitter – Base Voltage
Continuous Base Current
Continuous Collector Current
Peak Repetitive Collector Current
TA = 25°C
Total Power Dissipation at
TC = 25°C
Junction Temperature Range
Storage Temperature Range
120V
60V
6V
1.0A
2A
5A
870mW
5W
200°C
-65 to +200°C
THERMAL PROPERTIES
Symbols
R
θJA
R
θJC
Parameters
Thermal Resistance, Junction To Ambient
Thermal Resistance, Junction To Case
Max.
200
35
Unit
°C/W
°C/W
Semelab Limited 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.
Semelab Limited
Coventry Road, Lutterworth, Leicestershire, LE17 4JB
Telephone +44 (0) 1455 556565
Fax +44 (0) 1455 552612
Email:
sales@semelab-tt.com
Document Number 5569
Issue 2
Page 1 of 3
Website:
http://www.semelab-tt.com
HIGH CURRENT GENERAL
PURPOSE TRANSISTOR
BFX34
ELECTRICAL CHARACTERISTICS
(TA = 25°C unless otherwise stated)
Symbols
V(BR)CBO
V(BR)CEO
VEBO
(1)
(1)
Parameters
Collector-Base
Breakdown Voltage
Collector-Emitter
Breakdown Voltage
Emitter - Base Voltage
Collector-Emitter
Saturation Voltage
Base-Emitter
Saturation Voltage
Collector Cut-Off Current
Emitter Cut-Off Current
Test Conditions
IC = 5mA
IC = 10mA
IE = 1.0mA
IC = 5A
VCE = 60V
VEB = 4V
IC = 1.0A
VBE = 0
IB = 0
IC = 0
IB = 0.5A
Min.
120
60
6
Typ.
Max.
Unit
(1)
V
0.4
1.3
1.0
1.6
10
10
µA
VCE(sat)
VBE(sat)
ICES
IEBO
(1)
(1)
VBE = 0
IC = 0
VCE = 2V
VCE = 0.6V
VCE = 2V
40
0.02
0.05
100
75
80
hFE
DC Current Gain
IC = 1.5A
IC = 2A
-
150
DYNAMIC CHARACTERISTICS
fT
Cobo
Cibo
ton
toff
Transition Frequency
Output Capacitance
Input Capacitance
Turn on Time
Turn off Time
IC = 0.5A
f = 20MHz
VCB = 10V
VEB = 0.5V
VCC = 20V
IB1= -IB2 = 50mA
f = 1.0MHz
f = 1.0MHz
IC = 0.5A
40
300
100
pF
500
0.6
1.2
µS
VCE = 5V
70
100
MHz
Notes
(1) Pulse Width
≤
300us,
δ ≤
2%
Semelab Limited
Coventry Road, Lutterworth, Leicestershire, LE17 4JB
Telephone +44 (0) 1455 556565
Fax +44 (0) 1455 552612
Email:
sales@semelab-tt.com
Website:
http://www.semelab-tt.com
Document Number 5569
Issue 2
Page 2 of 3
HIGH CURRENT GENERAL
PURPOSE TRANSISTOR
BFX34
MECHANICAL DATA
Dimensions in mm (inches)
8.51 (0.34)
9.40 (0.37)
7.75 (0.305)
8.51 (0.335)
6.10 (0.240)
6.60 (0.260)
12.70
(0.500)
min.
0.89
max.
(0.035)
0.41 (0.016)
0.53 (0.021)
dia.
5.08 (0.200)
typ.
2
1
0.74 (0.029)
1.14 (0.045)
0.71 (0.028)
0.86 (0.034)
2.54
(0.100)
3
45°
TO39 (TO-205AD) METAL PACKAGE
Underside View
PIN 1 - Emitter
PIN 2 - Base
PIN 3 - Collector
Semelab Limited
Coventry Road, Lutterworth, Leicestershire, LE17 4JB
Telephone +44 (0) 1455 556565
Fax +44 (0) 1455 552612
Email:
sales@semelab-tt.com
Website:
http://www.semelab-tt.com
Document Number 5569
Issue 2
Page 3 of 3