BF257CSM4 View Datasheet(PDF) - Semelab - > TT Electronics plc
Part Name
Description
Manufacturer
BF257CSM4
Semelab - > TT Electronics plc
BF257CSM4 Datasheet PDF : 2 Pages
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BF257CSM4
Thermal Data
Rth j-case
Rth j-amb
Thermal resistance junction - case
Thermal resistance junction - ambient
Electrical Characteristics(Tamb = 25°C Unless otherwise specified)
V(BR)CEO*
V(BR)CBO
V(BR)EBO
ICBO
VCE(sat)*
hFE*
ft
Cre
Parameter
Test Conditions
Collector–Emitter Breakdown Voltage
Collector – Base Breakdown Voltage
Emitter - Base Breakdown Voltage
Collector Cutoff Current
Collector – Emitter Saturation Voltage
DC Current Gain
Transition Frequency
Reverse Capacitance
IC = 10mA
IC = 100mA
IC = 0
VCB =100V
IC = 30mA
IC = 30mA
IC = 15mA
IC = 0
f = 1MHz
IB = 0
IE = 0
IE = 100mA
IE = 0
IB = 6mA
IB = 10V
VCE = 10V
VCE = 30V
Min.
160
160
5
25
* Pulsed test tp = 300ms , d = 1%
max 30°C/W
max 175°C/W
Typ. Max. Unit
V
50
nA
1
V
—
90
MHz
3
pF
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.
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
Document Number 2666
Issue 1
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