Overview
The MMBFJ108, along with the J109, is an N-Channel Junction Field-Effect Transistor (JFET) produced by onsemi. This device is specifically designed for digital switching applications where very low on-resistance is crucial. It is sourced from onsemi's Process 58 and is available in Pb-free packages, making it environmentally friendly. The MMBFJ108 is known for its high performance and reliability in various electronic circuits.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Drain-Gate Voltage | VDG | 25 | V |
| Gate-Source Voltage | VGS | −25 | V |
| Forward Gate Current | IGF | 10 | mA |
| Operating and Storage Junction Temperature Range | TJ, TSTG | −55 to 150 | °C |
| Total Device Dissipation | PD | 350 (MMBFJ108), 625 (J109) | mW |
| Thermal Resistance, Junction-to-Case | RθJC | 125 (J109), N/A (MMBFJ108) | °C/W |
| Thermal Resistance, Junction-to-Ambient | RθJA | 357 (MMBFJ108), 200 (J109) | °C/W |
| Gate-Source Breakdown Voltage | VBR(GSS) | −25 | V |
| Gate-Source Cut-Off Voltage | VGS(off) | −3.0 to −10.0 (MMBFJ108), −2.0 to −6.0 (J109) | V |
| Zero-Gate Voltage Drain Current | IDSS | 80 (MMBFJ108), 40 (J109) | mA |
| Drain-Source On Resistance | rDS(on) | 8.0 (MMBFJ108), 12 (J109) | Ω |
Key Features
- Low On Resistance: Designed for digital switching applications where very low on-resistance is mandatory.
- Pb-Free Packages: Environmentally friendly, available in Pb-free packages.
- High Performance: Suitable for high-performance applications due to its robust electrical characteristics.
- Wide Operating Temperature Range: Operates over a temperature range of −55°C to 150°C.
- Low Gate-Source Cut-Off Voltage: Ensures efficient switching with low gate-source voltage requirements.
Applications
- Digital Switching: Ideal for applications requiring low on-resistance and high switching speeds.
- Audio and Signal Processing: Suitable for audio amplifiers and signal processing circuits due to its low noise characteristics.
- Power Management: Can be used in power management circuits where efficient switching is critical.
- General Purpose Amplification: Useful in various general-purpose amplification and switching applications.
Q & A
- What is the maximum drain-gate voltage for the MMBFJ108?
The maximum drain-gate voltage (VDG) is 25 V.
- What is the operating temperature range for the J109 and MMBFJ108?
The operating and storage junction temperature range is −55°C to 150°C.
- What are the typical applications for the MMBFJ108?
Typical applications include digital switching, audio and signal processing, power management, and general-purpose amplification.
- What is the gate-source cut-off voltage for the MMBFJ108?
The gate-source cut-off voltage (VGS(off)) ranges from −3.0 to −10.0 V for the MMBFJ108.
- What is the total device dissipation for the MMBFJ108?
The total device dissipation (PD) is 350 mW for the MMBFJ108.
- Is the MMBFJ108 Pb-free?
- What is the thermal resistance, junction-to-ambient, for the MMBFJ108?
The thermal resistance, junction-to-ambient (RθJA), is 357 °C/W for the MMBFJ108.
- What is the zero-gate voltage drain current for the J109?
The zero-gate voltage drain current (IDSS) is 40 mA for the J109.
- What is the drain-source on resistance for the MMBFJ108?
The drain-source on resistance (rDS(on)) is 8.0 Ω for the MMBFJ108.
- Can the MMBFJ108 be used in high-frequency applications?
