2N2857CSM 查看數據表（PDF） - Semelab - > TT Electronics plc
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2N2857CSM Datasheet PDF : 4 Pages
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SILICON RF SMALL SIGNAL
NPN TRANSISTOR
2N2857CSM
MECHANICAL DATA
Dimensions in mm (inches)
0.51 ± 0.10
(0.02 ± 0.004)
3
R0.31
(0.012)
1.02 ± 0.10
(0.04 ± 0.004)
2
1
1.91 ± 0.10
(0.075 ± 0.004)
3.05 ± 0.13
(0.12 ± 0.005)
0.31
(0.012)
rad.
1.40
(0.055)
max.
Pad 1 - Base
LCC1
(Underside View)
Pad 2 - Emitter Pad 3 - Collector
0.51 ± 0.10
(0.02 ± 0.004)
4
3
R0(0.5.0622)
R0.31
(0.012)
1.02 ± 0.10
(0.04 ± 0.004)
2
1
1.91 ± 0.10
(0.075 ± 0.004)
3.05 ± 0.13
(0.12 ± 0.005)
0.31
(0.012)
rad.
1.40
(0.055)
max.
LCC1-4
(Underside View)
Pad 1 - Base
Pad 2 - Emitter Pad 3 – Collector Pad 4 –Lid Contact Ground *
Note: If required, must be requested at time of order
* The additional contact provides a connection to the lid in the application. Connecting the metal lid to a known electrical potential stops deep
dielectric discharge in space applications; see the Space Weather link www.semelab.co.uk/mil/lcc1_4 on the Semelab web site. Package variant to
be specified at order.
Other Package Outlines may be available – Contact Semelab Sales to Enquire
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 3339
Website: http://www.semelab-tt.com
Issue 5
Page 3 of 4
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