Overview
The PMBF4392,215 is a symmetrical silicon n-channel depletion type junction field-effect transistor (JFET) produced by NXP USA Inc. This component is packaged in a plastic microminiature envelope, specifically the TO-236AB (SOT23) package. Although the PMBF4392,215 is currently obsolete and no longer manufactured, it was designed for low-power chopper or switching applications in industrial settings. The transistor features interchangeable drain and source terminals, making it versatile for various circuit designs.
Key Specifications
| Parameter | Value |
|---|---|
| Drain-source voltage (VDS) | ±40 V |
| Drain-gate voltage (VDG) | ±40 V |
| Gate-source voltage (VGS) | ±40 V |
| Drain current (IDSS) at VDS = 20 V, VGS = 0 | See datasheet for specific values |
| Gate current (IG) | 50 mA |
| Total power dissipation (Ptot) up to Tamb = 40°C | 250 mW |
| Storage temperature range (Tstg) | -65 to +150°C |
| Junction temperature (Tj) | 150°C |
| Thermal resistance from junction to ambient (Rth j-a) | 430 K/W |
| Input capacitance (Cis) | < 14 pF |
| Feedback capacitance (Crs) | < 3.5 pF |
Key Features
- Symmetrical silicon n-channel depletion type JFET
- Interchangeable drain and source terminals
- Low-power chopper or switching applications
- Surface-mounted package (TO-236AB, SOT23)
- Small size, convenient for PCB layout
- Lead-free and RoHS compliant
Applications
- Low-power chopper circuits
- Switching applications in industry
- Thick and thin-film circuits
- Potentially in household appliances, power chargers, LED lighting, and computer motherboards, though these are more general JFET applications and not specifically validated for this obsolete part.
Q & A
- What is the PMBF4392,215? The PMBF4392,215 is a symmetrical silicon n-channel depletion type JFET produced by NXP USA Inc.
- Why is the PMBF4392,215 obsolete? The PMBF4392,215 is no longer manufactured by NXP USA Inc. and has been replaced by substitute components.
- What package type does the PMBF4392,215 use? The PMBF4392,215 uses the TO-236AB (SOT23) surface-mounted package.
- What are the key applications of the PMBF4392,215? The PMBF4392,215 is intended for low-power chopper or switching applications in industrial settings.
- What are the maximum drain-source and gate-source voltages for the PMBF4392,215? The maximum drain-source and gate-source voltages are ±40 V each.
- What is the total power dissipation limit for the PMBF4392,215? The total power dissipation limit is 250 mW up to an ambient temperature of 40°C.
- Is the PMBF4392,215 RoHS compliant? Yes, the PMBF4392,215 is lead-free and RoHS compliant.
- What are the interchangeable terminals on the PMBF4392,215? The drain and source terminals are interchangeable.
- What is the junction temperature limit for the PMBF4392,215? The junction temperature limit is 150°C.
- Where can I find substitutes for the PMBF4392,215? Substitutes can be found on websites like Digi-Key, Mouser, or through NXP's official website.
