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PBSS4021NX
20 V, 7 A NPN low VCEsat (BISS) transistor
Rev. 01 -- 1 April 2010 Product data sheet
1. Product profile
1.1 General description
NPN low VCEsat Breakthrough In Small Signal (BISS) transistor in a medium power and
flat lead SOT89 (SC-62) Surface-Mounted Device (SMD) plastic package.
PNP complement: PBSS4021PX.
1.2 Features and benefits
Very low collector-emitter saturation voltage VCEsat
High collector current capability IC and ICM
High collector current gain (hFE) at high IC
High energy efficiency due to less heat generation
AEC-Q101 qualified
Smaller required Printed-Circuit Board (PCB) area than for conventional transistors
1.3 Applications
Loadswitch
Battery-driven devices
Power management
Charging circuits
Power switches (e.g. motors, fans)
1.4 Quick reference data
Table 1. Quick reference data
Symbol Parameter Conditions Min Typ Max Unit
VCEO collector-emitter voltage open base - - 20 V
IC collector current - - 7 A
ICM peak collector current single pulse; - - 15 A
tp 1 ms
RCEsat collector-emitter IC = 5 A; [1] - 19 28 m
saturation resistance IB = 500 mA
[1] Pulse test: tp 300 s; 0.02.
NXP Semiconductors PBSS4021NX
20 V, 7 A NPN low VCEsat (BISS) transistor
2. Pinning information
Table 2. Pinning
Pin Description Simplified outline Graphic symbol
1 emitter
2
2 collector
3 base 3
1
3 2 1 sym042
3. Ordering information
Table 3. Ordering information
Type number Package
Name Description Version
PBSS4021NX SC-62 plastic surface-mounted package; 3 leads SOT89
4. Marking
Table 4. Marking codes
Type number Marking code[1]
PBSS4021NX *6D
[1] * = -: made in Hong Kong
* = p: made in Hong Kong
* = t: made in Malaysia
* = W: made in China
5. Limiting values
Table 5. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
VCBO collector-base voltage open emitter - 20 V
VCEO collector-emitter voltage open base - 20 V
VEBO emitter-base voltage open collector - 5 V
IC collector current - 7 A
ICM peak collector current single pulse; - 15 A
tp 1 ms
IB base current - 1 A
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