Overview
The MMBF4391LT1G is a JFET (Junction Field-Effect Transistor) switching transistor produced by onsemi. This N-channel JFET is designed for high-performance switching applications and is part of the MMBF4391L series, which includes the MMBF4391L, MMBF4392L, and MMBF4393L models. The device is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other applications requiring stringent quality and reliability standards. It is also Pb-free, halogen-free/BFR-free, and RoHS compliant.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Drain-Source Voltage | VDS | 30 | Vdc |
| Drain-Gate Voltage | VDG | 30 | Vdc |
| Gate-Source Voltage | VGS | 30 | Vdc |
| Forward Gate Current | IG(f) | 50 | mAdc |
| Total Device Dissipation (FR-5 Board, TA = 25°C) | PD | 225 | mW |
| Derate above 25°C | 1.8 | mW/°C | |
| Thermal Resistance, Junction-to-Ambient | RθJA | 556 | °C/W |
| Junction and Storage Temperature Range | TJ, Tstg | -55 to +150 | °C |
| Gate-Source Breakdown Voltage (IG = 1.0 μAdc, VDS = 0) | V(BR)GSS | 30 | Vdc |
| Gate Reverse Current (VGS = 15 Vdc, VDS = 0, TA = 25°C) | IGSS | 1.0 nAdc | |
| Gate-Source Cutoff Voltage (VDS = 15 Vdc, ID = 10 nAdc) | VGS(off) | -4.0 to -10 Vdc | |
| Zero-Gate-Voltage Drain Current (VDS = 15 Vdc, VGS = 0) | IDSS | 50 to 150 mAdc | |
| Drain-Source On-Voltage (ID = 12 mAdc, VGS = 0) | VDS(on) | 0.4 Vdc | |
| Static Drain-Source On-Resistance (ID = 1.0 mAdc, VGS = 0) | rDS(on) | 30 Ω | |
| Input Capacitance (VDS = 0 Vdc, VGS = -15 Vdc, f = 1.0 MHz) | Ciss | 14 pF | |
| Reverse Transfer Capacitance (VDS = 0 Vdc, VGS = -12 Vdc, f = 1.0 MHz) | Crss | 3.5 pF |
Key Features
- AEC-Q101 Qualified and PPAP Capable: Suitable for automotive and other applications requiring stringent quality and reliability standards.
- Pb-free, Halogen-free/BFR-free, and RoHS Compliant: Environmentally friendly and compliant with international regulations.
- High Performance Switching: Designed for high-speed switching applications with low on-state resistance and fast switching times.
- Wide Operating Temperature Range: Junction and storage temperature range from -55°C to +150°C.
- Low On-State Resistance: Static drain-source on-resistance as low as 30 Ω.
- Compact SOT-23 Package: Small footprint suitable for space-constrained designs.
Applications
- Automotive Systems: Suitable for various automotive applications due to its AEC-Q101 qualification and PPAP capability.
- High-Speed Switching Circuits: Ideal for applications requiring fast switching times and low on-state resistance.
- Audio and Signal Processing: Can be used in audio amplifiers and signal processing circuits where low noise and high fidelity are required.
- Industrial Control Systems: Applicable in industrial control systems that demand high reliability and performance.
- Consumer Electronics: Suitable for use in consumer electronics such as audio equipment, medical devices, and other high-performance electronic devices.
Q & A
- What is the maximum drain-source voltage for the MMBF4391LT1G?
The maximum drain-source voltage (VDS) is 30 Vdc.
- Is the MMBF4391LT1G RoHS compliant?
Yes, the MMBF4391LT1G is Pb-free, halogen-free/BFR-free, and RoHS compliant.
- What is the typical on-state resistance of the MMBF4391LT1G?
The static drain-source on-resistance (rDS(on)) is typically 30 Ω.
- What is the operating temperature range for the MMBF4391LT1G?
The junction and storage temperature range is from -55°C to +150°C.
- What package type is the MMBF4391LT1G available in?
The MMBF4391LT1G is available in a SOT-23 (TO-236) package.
- Is the MMBF4391LT1G suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other stringent applications.
- What is the maximum forward gate current for the MMBF4391LT1G?
The maximum forward gate current (IG(f)) is 50 mAdc.
- What is the input capacitance of the MMBF4391LT1G?
The input capacitance (Ciss) is 14 pF at VDS = 0 Vdc, VGS = -15 Vdc, and f = 1.0 MHz.
- How does the MMBF4391LT1G perform in terms of switching speed?
The device is designed for high-speed switching with fast turn-on and turn-off times.
- What are some typical applications for the MMBF4391LT1G?
Typical applications include automotive systems, high-speed switching circuits, audio and signal processing, industrial control systems, and consumer electronics.
