Overview
The SMMBFJ177LT1G is a P-channel JFET (Junction Field-Effect Transistor) device manufactured by onsemi. It is specifically designed for analog switching and chopper applications. This device is notable for its low on-resistance, which enhances efficiency and extends battery life in various electronic systems. The SMMBFJ177LT1G is packaged in a miniature SOT-23 surface mount package, which helps in saving board space and facilitating compact design solutions.
Key Specifications
| Characteristic | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Drain-Gate Voltage | VDG | -25 | -25 | Vdc |
| Gate-Source Voltage | VGS | 25 | 25 | Vdc |
| Gate-Source Breakdown Voltage | V(BR)GSS | 30 | - | Vdc |
| Gate Reverse Current | IGSS | - | 1.0 nA | dc |
| Gate Source Cutoff Voltage | VGS(off) | 0.8 | 2.5 | Vdc |
| Zero-Gate-Voltage Drain Current | IDSS | -1.5 | -20 | mA |
| Drain Cutoff Current | ID(off) | - | -1.0 nA | dc |
| Drain Source On Resistance | rDS(on) | - | 300 Ω | - |
| Input Capacitance | Ciss | - | 11 pF | - |
| Reverse Transfer Capacitance | Crss | - | 5.5 pF | - |
| Junction and Storage Temperature | TJ, Tstg | -55 | 150 | °C |
| Total Device Dissipation (FR-5 Board, TA = 25°C) | PD | 225 mW | - | - |
| Thermal Resistance, Junction-to-Ambient | RJA | - | 556 °C/W | - |
Key Features
- P-Channel JFET: Designed for analog switching and chopper applications.
- Low On-Resistance: Enhances efficiency and extends battery life.
- Miniature SOT-23 Package: Saves board space and facilitates compact design solutions.
- AEC-Q101 Qualified and PPAP Capable: Suitable for automotive and other applications requiring unique site and control change requirements.
- Pb-Free, Halogen Free/BFR Free, and RoHS Compliant: Environmentally friendly and compliant with regulatory standards.
Applications
- Analog Switching: Ideal for applications requiring precise control over signal paths.
- Chopper Applications: Used in circuits that require high-frequency switching.
- Automotive Systems: Qualified for use in automotive applications due to its AEC-Q101 certification.
- Industrial Control Systems: Suitable for various industrial control and automation applications.
- Consumer Electronics: Can be used in a variety of consumer electronic devices requiring efficient switching.
Q & A
- What is the primary application of the SMMBFJ177LT1G JFET?
The SMMBFJ177LT1G is primarily used for analog switching and chopper applications.
- What is the maximum drain-gate voltage for the SMMBFJ177LT1G?
The maximum drain-gate voltage (VDG) is -25 Vdc.
- What is the gate-source breakdown voltage of the SMMBFJ177LT1G?
The gate-source breakdown voltage (V(BR)GSS) is 30 Vdc.
- What is the typical on-resistance of the SMMBFJ177LT1G?
The drain source on-resistance (rDS(on)) is up to 300 Ω.
- Is the SMMBFJ177LT1G RoHS compliant?
Yes, the SMMBFJ177LT1G is Pb-Free, Halogen Free/BFR Free, and RoHS compliant.
- What is the junction and storage temperature range for the SMMBFJ177LT1G?
The junction and storage temperature range is -55°C to +150°C.
- What package type is used for the SMMBFJ177LT1G?
The SMMBFJ177LT1G is packaged in a miniature SOT-23 surface mount package.
- Is the SMMBFJ177LT1G suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other similar applications.
- What is the total device dissipation for the SMMBFJ177LT1G on an FR-5 board at 25°C?
The total device dissipation (PD) is 225 mW.
- What is the thermal resistance, junction-to-ambient, for the SMMBFJ177LT1G?
The thermal resistance, junction-to-ambient (RJA), is 556 °C/W.
