Model No: PBSS5350X

Nexperia USA Inc. PBSS5350X

Manufacturer: Nexperia USA Inc.
SEMICON NO.: PBSS5350X
Package: SOT89
Stock: In stock
Description: 50V 3A PNP Transistor
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 Mfr       Nexperia USA Inc. 
 Device Type  PNP Transistor
 Collector-Emitter Voltage -50 V (Max) 
 Collector-Base Voltage     -50 V (Max)
 Emitter-Base Voltage     -5 V (Max)
 Continuous Collector Current   -3 A (Max)
 Peak Collector Current   -5 A (Max)
 Power Dissipation     1.6 W (Max)
 Collector-Emitter Saturation Voltage      -390 mV (Max) 
 Equivalent On-Resistance     90 mΩ (Typ) / 135 mΩ (Max) 
 Operating Temperature  -65 °C to +150 °C
 Package SOT89
 Mounting Type Surface Mount
 Compliance    
 RoHS Compliant
 
PBSS5350X is an AEC-Q101 qualified PNP low VCEsat bipolar transistor manufactured by Nexperia, packaged in SOT-89 surface mount housing, rated at 50 V collector-emitter voltage, 3 A continuous collector current and 5 A peak current, delivering low saturation resistance to reduce power loss and thermal rise for automotive and industrial power switching circuits.
Key features and Applications
● Low collector-emitter saturation voltage to minimize conduction heat and improve circuit efficiency. 
● SOT-89 compact SMD package to save PCB space and support automated mass assembly. 
3 A continuous current and 5 A peak current capability for medium-power switching tasks. 
● Halogen-free plastic package, wide operating temperature range and good thermal dissipation performance.
This transistor is widely used in power management modules, DC/DC converters, power rail switching, battery chargers, LCD backlight drivers, LED and lamp drivers, and inductive load circuits including relays, buzzers and small motors for automotive electronics and portable industrial devices.
FAQ
Q: What is the matched complementary NPN device for PBSS5350X?
A: PBSS4350X is its paired NPN transistor for push-pull circuits.
Q: What should be noted in PCB layout?
A: Reserve copper area for heat dissipation and avoid exceeding maximum continuous current rating to prevent thermal damage.
Alternative PNP transistor models
1. PBSS5350S: 50V 3A PNP low VCEsat transistor with through-hole package, sharing identical electrical parameters for through-hole switching replacement.
2. BCX68: SOT-89 PNP BJT with 60V rating, suitable for low-current signal switching but with lower maximum current capacity.
3. MMBT4403: SOT-23 PNP transistor, compact footprint, for low power signal switching with reduced current handling capability.