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BC639 Datasheet, PDF (5/15 Pages) Zetex Semiconductors – NPN SILICON PLANAR MEDIUM POWER TRANSISTOR
NXP Semiconductors
BC639; BCP56; BCX56
80 V, 1 A NPN medium power transistors
1.6
Ptot
(W)
1.2
006aaa085
0.8
0.4
0
− 75
−25 0 25
75
FR4 PCB, standard footprint
125
175
Tamb (°C)
Fig 1. Power derating curve SOT54
1.6
Ptot
(W)
(1)
1.2
(2)
0.8
(3)
0.4
1.6
Ptot
(W)
1.2
(1)
0.8
(2)
0.4
006aaa086
0
− 75
−25 0 25
75
125
175
Tamb (°C)
(1) FR4 PCB, mounting pad for collector 1 cm2
(2) FR4 PCB, standard footprint
Fig 2. Power derating curves SOT223
006aaa087
0
− 75
−25 0 25
(1) FR4 PCB, mounting pad for collector 6 cm2
(2) FR4 PCB, mounting pad for collector 1 cm2
(3) FR4 PCB, standard footprint
Fig 3. Power derating curves SOT89
75
125
175
Tamb (°C)
BC639_BCP56_BCX56_8
Product data sheet
Rev. 08 — 22 June 2007
© NXP B.V. 2007. All rights reserved.
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