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Product Detailed Parameters
- Description：TRANS NPN/PNP 20V 7.5A/6.3A 8-SO
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- Transistor Type：1 NPN, 1 PNP
- Current - Collector (Ic) (Max)：7.5A, 6.3A
- Voltage - Collector Emitter Breakdown (Max)：20V
- Vce Saturation (Max) @ Ib, Ic：275mV @ 375mA, 7.5A / 350mV @ 325mA, 6.5A
- Current - Collector Cutoff (Max)：100nA
- DC Current Gain (hFE) (Min) @ Ic, Vce：250 @ 4A, 2V / 150 @ 4A, 2V
- Power - Max：2.3W
- Frequency - Transition：115MHz, 105MHz
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SO
- Grade：-
- Qualification：-
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Overview
The PBSS4021SPN is a Breakthrough In Small Signal (BISS) transistor containing an NPN and PNP pair in a SOT96-1 (SO8) package. It features a collector-emitter voltage of 20 V, with continuous collector currents of 7.5 A for the NPN and -6.3 A for the PNP. Peak collector current reaches 15 A. The device exhibits low saturation resistance, typically 35 mΩ for the NPN at 5 A, and 54 mΩ for the PNP at -5 A. DC current gain ranges from 100 to 550 depending on current levels. Total power dissipation varies from 0.73 W to 1.7 W based on PCB mounting conditions.
Feature Summary
- Very low collector-emitter saturation voltage for high efficiency
- High collector current capability with significant peak pulse support
- Maintains high current gain at elevated collector currents
- Reduces required Printed-Circuit Board area compared to conventional transistors
Applications
- Loadswitch applications
- Charging circuits
- Battery-driven devices
- Power switches such as motors and fans
- Power management systems
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm packing methods and tape-and-reel specifications. Ensure the component matches the exact SOT96-1 package dimensions and pinout configuration required by the design footprint. Cross-reference the marking code '4021SPN' to authenticate the device origin and revision status before integration into production.
Selection Notes
Select this component when space constraints require a compact dual-transistor solution with high current handling capabilities. Evaluate thermal performance requirements against the specified junction-to-ambient resistance values for the intended PCB copper area. Confirm that the 20 V rating provides sufficient margin for the maximum operating voltage and transient spikes present in the target application circuit.
Part Context
This part belongs to Nexperia's BISS transistor family, designed to replace multiple discrete components. It integrates complementary NPN and PNP structures into a single surface-mount package. This integration simplifies board layout and improves switching consistency between paired transistors compared to using separate individual devices.
Replacement Considerations
The datasheet lists the PBSS4021SN and PBSS4021SP as complementary variants within the same product line. Verify pin compatibility and electrical parameters before substituting with other manufacturers' dual transistors.
