Document
BCP51; BCX51; BC51PA
45 V, 1 A PNP medium power transistors
Rev. 9 — 13 October 2011
Product data sheet
1. Product profile
1.1 General description
PNP medium power transistor series in Surface-Mounted Device (SMD) plastic packages.
Table 1. Product overview
Type number[1]
Package
NXP
BCP51
SOT223
BCX51
SOT89
BC51PA
SOT1061
JEITA SC-73 SC-62 -
[1] Valid for all available selection groups.
JEDEC TO-243 -
NPN complement
BCP54 BCX54 BC54PA
1.2 Features and benefits
High current Three current gain selections High power dissipation capability Exposed heatsink for excellent thermal and electrical conductivity (SOT89, SOT1061) Leadless very small SMD plastic package with medium power capability (SOT1061) AEC-Q101 qualified
1.3 Applications
Linear voltage regulators High-side switches Battery-driven devices Power management MOSFET drivers Amplifiers
1.4 Quick reference data
Table 2. Symbol VCEO IC ICM
Quick reference data
Parameter
Conditions
collector-emitter voltage open base
collector current
peak collector current single pulse; tp 1 ms
Min Typ Max Unit - - 45 V - - 1 A - - 2 A
NXP Semiconductors
BCP51; BCX51; BC51PA
45 V, 1 A PNP medium power transistors
Table 2. Symbol hFE
Quick reference data …continued
Parameter
Conditions
DC current gain hFE selection -10 hFE selection -16
VCE = 2 V; IC = 150 mA
VCE = 2 V; IC = 150 mA
VCE = 2 V; IC = 150 mA
Min Typ Max Unit
63 -
250
63 -
160
100 -
250
2. Pinning information
Table 3. Pin SOT223 1 2 3 4
Pinning Description
base collector emitter collector
SOT89 1 2 3
emitter collector base
SOT1061 1 2 3
base emitter collector
Simplified outline Graphic symbol
4 123
2, 4
1 3
sym028
321
2
3
1 006aaa231
3
12 Transparent top view
3
1 2
sym013
BCP51_BCX51_BC51PA
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 9 — 13 October 2011
© NXP B.V. 2011. All rights reserved.
2 of 22
NXP Semiconductors
BCP51; BCX51; BC51PA
45 V, 1 A PNP medium power transistors
3. Ordering information
4. Marking
Table 4. Ordering information
Type number[1] Package
Name Description
Version
BCP51
SC-73
plastic surface-mounted package with increased heatsink; 4 leads
SOT223
BCX51
SC-62
plastic surface-mounted package; collector pad for good SOT89 heat transfer; 3 leads
BC51PA
HUSON3 plastic thermal enhanced ultra thin small outline
SOT1061
package; no leads; 3 terminals; body 2 2 0.65 mm
[1] Valid for all available selection groups.
Table 5. Marking codes Type number BCP51 BCP51-10 BCP51-16 BCX51 BCX51-10 BCX51-16 BC51PA BC51-10PA BC51-16PA
Marking code BCP51 BCP51/10 BCP51/16 AA AC AD BP BQ BR
BCP51_BCX51_BC51PA
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 9 — 13 October 2011
© NXP B.V. 2011. All rights reserved.
3 of 22
NXP Semiconductors
BCP51; BCX51; BC51PA
45 V, 1 A PNP medium power transistors
5. Limiting values
Table 6. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter
Conditions
Min
VCBO VCEO VEBO IC ICM
IB IBM
Ptot
collector-base voltage collector-emitter voltage emitter-base voltage collector current peak collector current
base current peak base current
total power dissipation BCP51
open emitter open base open collector
single pulse; tp 1 ms
single pulse; tp 1 ms Tamb 25 C
-
-
[1] -
[2] -
[3] -
BCX51
[1] -
[2] -
[3] -
BC51PA
[1] -
[2] -
[3] -
[4] -
[5] -
Tj Tamb Tstg
junction temperature ambient temperature storage temperature
55 65
Max Unit 45 V 45 V 5 V 1 A 2 A
0.3 A 0.3 A
0.65 1.00 1.35 0.50 0.95 1.35 0.42 0.83 1.10 0.81 1.65 150 +150 +150
W W W W W W W W W W W C C C
[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.
[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.
BCP51_BCX51_BC51PA
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 9 — 13 October 2011
© NXP B.V. 2011. All rights reserved.
4 of 22
NXP Semiconductors
BCP51; BCX51; BC51PA
45 V, 1 A PNP medium power transistors
1.5 Ptot (W)
1.0
0.5
(1) (2) (3)
006aac674
1.5
Ptot (W)
1.0
(1) (2)
(3)
0.5
006aac675
0.0 –75
–25
25
75 125 175 Tamb (°C)
(1) FR4 PCB, mounting pad for collector 6 cm2 (2) FR4 PCB, mounting pad for collector 1 cm2 (3) FR4 PCB, standard footprint
Fig 1. Power derating curves SOT223
2.0 Ptot (W)
1.5
1.0
0.5
(1)
(2) (3) (4) (5)
0.0 –75
–25
25
75 125 175 Tamb (°C)
(1) FR4 PCB, mounting pad for collector 6 cm2 (2) FR4 PCB, mounting pad for collector.