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2N4903
Dimensions in mm (inches).
25.15 (0.99) 26.67 (1.05) 10.67 (0.42) 11.18 (0.44)
6.35 (0.25) 9.15 (0.36)
1.52 (0.06) 3.43 (0.135)
Bipolar PNP Device in a Hermetically sealed TO3
Metal Package.
38.61 (1.52) 39.12 (1.54) 29.9 (1.177) 30.4 (1.197) 16.64 (0.655) 17.15 (0.675) 0.97 (0.060) 1.10 (0.043)
22.23 (0.875)
max.
12
3 (case) 3.84 (0.151) 4.09 (0.161)
7.92 (0.312) 12.70 (0.50)
1 – Base
TO3 (TO204AA) PINOUTS
2 – Emitter Case - Collector
Bipolar PNP Device.
VCEO = 80V
IC = 5A
All Semelab hermetically sealed products can be processed in accordance with the requirements of BS, CECC and JAN, JANTX, JANTXV and JANS specifications.
Parameter VCEO* IC(CONT) hFE ft PD
Test Conditions @ 2/1 (VCE / IC)
* Maximum Working Voltage
Min. 20
Typ. 4M
Max.