BCP54_15 Datasheet, PDF (6/22 Pages) Guangdong Kexin Industrial Co.,Ltd – NPN Transistors

NXP Semiconductors
BCP54; BCX54; BC54PA
45 V, 1 A NPN medium power transistors
6. Thermal characteristics
Table 7.
Symbol
R_th(j-a)
Thermal characteristics
Parameter
thermal resistance from
junction to ambient
BCP54
Conditions
in free air
BCX54
BC54PA
R_th(j-sp)
thermal resistance from
junction to solder point
BCP54
BCX54
BC54PA
Min Typ Max Unit
[1] _-
-
192 K/W
[2] _-
-
125 K/W
[3] _-
-
93
K/W
[1] _-
-
250 K/W
[2] _-
-
132 K/W
[3] _-
-
93
K/W
[1] _-
-
298 K/W
[2] _-
-
151 K/W
[3] _-
-
114 K/W
[4] _-
-
154 K/W
[5] _-
-
76
K/W
-
-
16
K/W
-
-
16
K/W
-
-
20
K/W
[1] Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint.
[2] Device mounted on an FR4 PCB, single-sided copper, tin-plated, mounting pad for collector 1 cm².
[3] Device mounted on an FR4 PCB, single-sided copper, tin-plated, mounting pad for collector 6 cm².
[4] Device mounted on an FR4 PCB, 4-layer copper, tin-plated and standard footprint.
[5] Device mounted on an FR4 PCB, 4-layer copper, tin-plated, mounting pad for collector 1 cm².
BCP54_BCX54_BC54PA
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 21 October 2011
© NXP B.V. 2011. All rights reserved.
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