Product data sheetRev. 08 — 22 February 20083 of 15
Page 4
NXP Semiconductors
5.Limiting values
Table 6.Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
SymbolParameterConditionsMinMaxUnit
V
CBO
V
CEO
V
EBO
I
C
I
CM
I
BM
P
tot
T
j
T
amb
T
stg
[1] Device mounted on an FR4 Printed-Circuit Board (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.
Product data sheetRev. 08 — 22 February 20085 of 15
Page 6
NXP Semiconductors
6.Thermal characteristics
Table 7.Thermal characteristics
SymbolParameterConditionsMinTypMaxUnit
R
th(j-a)
R
th(j-sp)
thermal resistance from
junction to ambient
BC640
BCP53
BCX53
thermal resistance from
junction to solder point
BC640--40K/W
BCP53--17K/W
BCX53--20K/W
BC640; BCP53; BCX53
80 V, 1 A PNP medium power transistors
in free air
[1]
--150K/W
[1]
--190K/W
[2]
--125K/W
[1]
--230K/W
[2]
--135K/W
[3]
--95K/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.
10
Z
th(j-a)
(K/W)
10
10
3
2
10
1
−1
−5
10
duty cycle =
1
0.75
0.5
0.33
0.2
0.1
0.05
0.02
0.01
0
−4
10
−3
10
−2
−1
10
1
1010
006aaa222
2
10
tp (s)
FR4 PCB, standard footprint
Fig 4. Transient thermal impedance from junction to ambient as a function of pulse duration for SOT54;
Product data sheetRev. 08 — 22 February 200811 of 15
Page 12
NXP Semiconductors
9.Packing information
BC640; BCP53; BCX53
80 V, 1 A PNP medium power transistors
Table 9.Packing methods
The indicated -xxx are the last three digits of the 12NC ordering code.
Type number
BC640SOT54bulk, straight leads---412-
BCP53SOT2238 mm pitch, 12 mm tape and reel-115-135-BCX53SOT898 mm pitch, 12 mm tape and reel; T1
[1] For further information and the availability of packing methods, seeSection 12.
[2] Valid for all available selection groups.
[3] T1: normal taping
[4] T3: 90° rotated taping
Product data sheetRev. 08 — 22 February 200813 of 15
Page 14
NXP Semiconductors
11. Legal information
11.1Data sheet status
BC640; BCP53; BCX53
80 V, 1 A PNP medium power transistors
Document status
Objective [short] data sheetDevelopmentThis document contains data from the objective specification for product development.
Preliminary [short] data sheet QualificationThis document contains data from the preliminary specification.
Product [short] data sheetProductionThis document contains the product specification.
[1] Please consult the most recently issued document before initiating or completing a design.
[2] The term ‘short data sheet’ is explained in section “Definitions”.
[3] The product status of device(s) described in this documentmay havechanged since thisdocument was publishedand maydiffer in caseof multiple devices.The latest product status
information is available on the Internet at URL
[1][2]
Product status
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[3]
http://www.nxp.com.
Definition
malfunction of an NXP Semiconductors product can reasonably be expected
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the Absolute Maximum RatingsSystem of IEC 60134) may cause permanent
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the device at these or any other conditions above those given in the
Characteristics sections of this document is not implied. Exposure to limiting
values for extended periods may affect device reliability.
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