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Product Detailed Parameters
- Description：JFET N-CH 30V TO92
- Series：-
- Mfr：onsemi
- Package：Bulk
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：30 V
- Drain to Source Voltage (Vdss)：30 V
- Current - Drain (Idss) @ Vds (Vgs=0)：25 mA @ 15 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：2 V @ 10 nA
- Input Capacitance (Ciss) (Max) @ Vds：10pF @ 15V (VGS)
- Resistance - RDS(On)：60 Ohms
- Power - Max：350 mW
- Operating Temperature：-65°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 Long Body
- Supplier Device Package：TO-92 (TO-226)
- Grade：-
- Qualification：-
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Overview
The MPF4392 is an N-channel depletion JFET switching transistor manufactured by onsemi. It features a maximum drain-source voltage of 30 Vdc and a total device dissipation of 350 mW at 25°C. The zero-gate-voltage drain current (IDSS) ranges from 25 mA to 75 mA. The gate-source breakdown voltage is rated at 30 Vdc, with a forward gate current limit of 50 mAdc. Static drain-source on resistance is typically 60 Ohms. The device operates within a channel temperature range of -65°C to +150°C.
Feature Summary
- Designed specifically for analog switching and chopper applications
- N-channel depletion mode operation
- Available in lead-free TO-92 packages
Applications
- Analog switches
- Chopper circuits
- Low-frequency amplifiers
Procurement Notes
Verify the specific package style required, as the MPF4392 is available in bulk or tape-and-reel formats within the TO-92 housing. Confirm whether the 'G' suffix indicating lead-free compliance is necessary for the assembly process. Ensure the ordering quantity aligns with the standard shipping unit of 1000 units per bulk container. Cross-reference the datasheet revision to confirm electrical characteristics match the design requirements.
Selection Notes
Select the MPF4392 when a high IDSS range between 25 mA and 75 mA is required for low-resistance switching paths. The TO-92 through-hole package is suitable for prototyping or applications where surface-mount space is not constrained. Consider the MPF4393 if a lower IDSS range of 5 mA to 30 mA better suits the circuit impedance needs. Evaluate thermal derating requirements if operating above 25°C ambient temperature.
Part Context
The MPF4392 belongs to the MMBF439xL family of JFET switching transistors produced by onsemi. While the MMBF4392LT1G variant utilizes a compact SOT-23 surface-mount package, the MPF4392 provides a traditional TO-92 through-hole option. Both devices share identical electrical specifications but differ in physical footprint and mounting method, allowing flexibility in PCB layout strategies.
Replacement Considerations
MPF4393
FAQ
What is the pin configuration for the MPF4392?
Pin 1 is Drain, Pin 2 is Source, and Pin 3 is Gate.
How does the MPF4392 differ from the MPF4393?
The primary difference is the Zero-Gate-Voltage Drain Current (IDSS). The MPF4392 has an IDSS range of 25 mA to 75 mA, whereas the MPF4393 has a lower range of 5 mA to 30 mA.
