Overview
The MMBF4117 is an N-Channel JFET (Junction Field-Effect Transistor) produced by onsemi. This device is designed for low current DC and audio applications, offering excellent performance as input stages for sub-picoamp instrumentation or any high impedance signal sources. It is part of the MMBF4117, MMBF4118, and MMBF4119 series, which are known for their reliability and versatility in various electronic circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Configuration | Single | |
| Transistor Polarity | N-Channel | |
| Drain to Source Voltage (Vdss) | 40 | V |
| Gate to Source Voltage (Vgs) | -40 | V |
| Current Rating | 50 | mA |
| Total Device Dissipation (PD) | 225 | mW |
| Operating and Storage Junction Temperature Range | -55 to +150 | °C |
| Input Capacitance (Ciss) | 3 | pF |
| Package / Case | SOT-23-3 | |
| Mounting Style | Surface Mount |
Key Features
- Low Current Capability: Suitable for low current DC and audio applications.
- High Impedance Signal Handling: Excellent performance as input stages for sub-picoamp instrumentation or high impedance signal sources.
- Compact Packaging: SOT-23-3 package, ideal for space-constrained designs.
- Wide Operating Temperature Range: Operates from -55°C to +150°C, making it versatile for various environmental conditions.
- Low Input Capacitance: Input capacitance of 3 pF, which is beneficial for high-frequency applications.
Applications
- Audio Circuits: Suitable for audio amplifiers and other audio-related applications due to its low noise and high impedance characteristics.
- Instrumentation: Ideal for sub-picoamp instrumentation and other high sensitivity measurement devices.
- General Purpose Switching: Can be used in various switching applications where low current and high impedance are required.
- High Frequency Circuits: Applicable in high frequency circuits due to its low input capacitance and fast switching times.
Q & A
- What is the maximum drain to source voltage (Vdss) of the MMBF4117?
The maximum drain to source voltage (Vdss) is 40 V.
- What is the gate to source voltage (Vgs) range for the MMBF4117?
The gate to source voltage (Vgs) range is -40 V.
- What is the current rating of the MMBF4117?
The current rating is 50 mA.
- What is the total device dissipation (PD) of the MMBF4117?
The total device dissipation (PD) is 225 mW.
- What is the operating and storage junction temperature range for the MMBF4117?
The operating and storage junction temperature range is -55°C to +150°C.
- What is the input capacitance (Ciss) of the MMBF4117?
The input capacitance (Ciss) is 3 pF.
- What package type is the MMBF4117 available in?
The MMBF4117 is available in the SOT-23-3 package.
- What are some common applications of the MMBF4117?
Common applications include audio circuits, instrumentation, general purpose switching, and high frequency circuits.
- Is the MMBF4117 suitable for high impedance signal sources?
Yes, it is designed to handle high impedance signal sources effectively.
- Can the MMBF4117 be used in life support systems or medical devices?
No, the MMBF4117 is not designed or authorized for use in life support systems or medical devices.
