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Product Detailed Parameters
- Description：TRANS NPN/PNP 40V 200MA SOT-666
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：1 NPN, 1 PNP
- Current - Collector (Ic) (Max)：200mA
- Voltage - Collector Emitter Breakdown (Max)：40V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 5mA, 50mA / 400mV @ 5mA, 50mA
- Current - Collector Cutoff (Max)：50nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 10mA, 1V
- Power - Max：240mW
- Frequency - Transition：300MHz, 250MHz
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：SOT-563, SOT-666
- Supplier Device Package：SOT-666
- Grade：-
- Qualification：-
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Overview
The PMBT3946VPN is a dual switching transistor containing one NPN and one PNP unit in an SOT666 package. It supports a collector-emitter voltage of 40 V and a continuous collector current of 200 mA per transistor. The NPN section offers a DC current gain (hFE) range of 100 to 300 at 10 mA, with a transition frequency of 300 MHz. The PNP section provides an hFE range of 100 to 300 at -10 mA and a transition frequency of 250 MHz. Total power dissipation is limited to 240 mW per transistor and 360 mW for the device at 25 °C ambient temperature.
Feature Summary
- Integrates complementary NPN and PNP transistors into a single ultra-small surface-mount package.
- Designed for board-space reduction through its flat lead SOT666 plastic package configuration.
Applications
- General-purpose switching circuits
- Amplification applications
Procurement Notes
Verify the component marking code ZE against the official datasheet to confirm authenticity. Ensure the ordering suffix matches the specified SOT666 package variant. Confirm that the received units align with the non-automotive qualification status documented in the product data sheet revision history.
Selection Notes
Select this component when space-constrained designs require matched NPN/PNP pairs. Verify that the 40 V collector-emitter voltage rating meets the circuit requirements. Check thermal constraints to ensure total power dissipation remains within the 360 mW limit under operating conditions.
Part Context
This device serves as the NPN/PNP complement to the PMBT3904VS (NPN/NPN) and PMBT3906VS (PNP/PNP) variants. All three share the same SOT666 footprint, facilitating design flexibility while maintaining consistent board layout dimensions across different transistor polarity configurations.
Replacement Considerations
Direct functional substitutes include the PMBT3904VS and PMBT3906VS, which utilize the identical SOT666 package and pinout configuration.
FAQ
What is the marking code for the PMBT3946VPN?
The marking code for this component is ZE.
Is the PMBT3946VPN qualified for automotive applications?
No, the product data sheet explicitly states that this specific product is not automotive qualified.
What are the transition frequencies for the NPN and PNP sections?
The NPN section has a transition frequency of 300 MHz, while the PNP section has a transition frequency of 250 MHz.
