BF257
Bipolar NPN Device.
VCEO = 160V
IC = 0.1A
All Semelab hermetically sealed products
can be processed in accordance with the
requirements of BS, CECC and JAN,
JANTX, JANTXV and JANS specifications
Parameter Test Conditions Min. Typ. Max. Units
VCEO* 160 V
IC(CONT) 0.1 A
hFE @ 10/30m (VCE / IC) 25 -
ft 90M Hz
PD 0.8 W
* Maximum Working Voltage
This is a shortform datasheet. For a full datasheet please contact sales@semelab.co.u
k
.
Semel ab Plc reserves the ri ght to cha nge test conditions, parameter l imits and package dimensions without notice. I nformation 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 omissi on s dis co ver e d in its us e.
Generated
1-Au
g
-02
Bipolar NPN Device in a
Hermetically sealed TO39
Metal Package.
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
Dimensions in mm (inches).
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 (TO205AD)
PINOUTS
1 – Emitter 2 – Base 3 – Collector
