SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
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SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
2026/5/27
PZTA42-QX is a high-voltage NPN single bipolar junction transistor (BJT) manufactured by Nexperia USA Inc. It is optimized for general-purpose amplification and switching applications in various surface-mount electronic circuits.
Category:Discrete Semiconductor Products,Transistors,Bipolar (BJT),Single Bipolar Transistors
DC Current Gain (hFE) (Min) @ Ic, Vce:40 @ 30mA, 10V
Mfr:Nexperia USA Inc.
Power - Max:1.2 W
Packaging:Tape & Reel
Frequency - Transition:50MHz
Operating Temperature:150°C (TJ)
Transistor Type:NPN
Mounting Type:Surface Mount
Current - Collector (Ic) (Max):100 mA
Package / Case:TO-261-4, TO-261AA
Voltage - Collector Emitter Breakdown (Max):300 V
Vce Saturation (Max) @ Ib, Ic:500mV @ 2mA, 20mA
Current - Collector Cutoff (Max):20nA (ICBO)
High Voltage Resistance:It features a maximum collector-emitter breakdown voltage of 300V, enabling it to work stably in high-voltage circuit environments and withstand instantaneous voltage surges.
Stable Gain Performance:It provides a minimum DC current gain of 40 under rated operating conditions,ensuring stable and consistent signal amplification capability for conventional circuit designs.
Low Saturation Voltage:The maximum Vce saturation voltage is only 500mV, which effectively reduces power consumption and heat generation during transistor switching operation.
Tiny Cutoff Current:It has an extremely low collector cutoff current of 20nA, minimizing static power loss and improving the energy efficiency of electronic equipment.
Moderate Frequency:With a transition frequency of 50MHz, it supports efficient signal processing for medium-frequency amplification and high-speed switching scenarios.
High Power Capacity:It boasts a maximum power dissipation of 1.2W, offering reliable load driving capacity for small and medium-power circuit units.
Signal Amplification:Used for low-frequency and medium-frequency signal amplification in audio earphone circuits, microphone pickup modules and small signal detection circuits.
Circuit Switching:Applied to on-off control of indicator lights, small relays and buzzer loads in consumer electronic control boards.
Power Management:Serves as auxiliary switching and voltage regulation components in low-power adapter and mobile power supply auxiliary circuits.
Industrial Driving:Used for driving small Hall sensors and photoelectric switch components in industrial detection and sensing equipment circuits.
Automotive Auxiliary:Applied to signal conditioning and small load switching in vehicle interior light control and low-voltage auxiliary electronic circuits.
The PZTA42-QX transistor integrates high voltage resistance, low power consumption and stable amplification performance with a compact surface-mount package. It is a cost-effective and reliable discrete semiconductor component suitable for various switching and signal amplification electronic circuits.