NXP Semiconductors
BC637; BCP55; BCX55
60 V, 1 A NPN medium power transistors
2. Pinning information
Table 3.
Pin
SOT54
1
2
3
base
collector
emitter
1
2
3
001aab347
Pinning
Description
Simplified outline
Symbol
2
1
3
sym056
SOT54A
1
2
3
base
collector
emitter
1
2
3
001aab348
2
1
3
sym056
SOT54 variant
1
2
3
base
collector
emitter
1
2
3
001aab447
2
1
3
sym056
SOT223
1
2
3
4
base
collector
emitter
collector
1
2
3
3
sym016
4
1
2, 4
SOT89
1
2
3
emitter
collector
base
3
2
1
3
1
sym042
2
BC637_BCP55_BCX55_7
© NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 07 — 25 June 2007
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