BS170 N‑Channel MOSFET TO‑92

The BS170 is a small‑signal N‑Channel MOSFET in a compact TO‑92 through‑hole package, designed for fast switching and efficient low‑power control. With a 60 V drain‑source rating and high‑speed switching characteristics, it is well suited for prototyping and production designs across electronics components, modules, and embedded systems. Ideal for breadboards and perfboards, it integrates seamlessly with Arduino, Raspberry Pi, and other microcontroller platforms in low to moderate current applications.

Key Features ✅

• High‑Speed Switching ⚡: Optimized for rapid turn‑on/turn‑off in high‑frequency switching circuits.
• High Voltage Capability 🔋: Handles up to 60 V drain‑source, supporting a wide range of system voltage levels.
• Low On‑Resistance 🔧: Reduced conduction losses improve efficiency in compact power stages.
• Compact TO‑92 Package 🧩: Breadboard‑friendly, easy to solder, and simple to integrate into diverse electronic systems.
• Wide Temperature Range 🌡️: Reliable operation from −55°C to +150°C.

Technical Specifications 📐

• Type: N‑Channel enhancement‑mode MOSFET
• Package: TO‑92 (through‑hole)
• Drain‑Source Voltage (VDS): 60 V
• Gate‑Source Voltage (VGS): ±20 V
• Continuous Drain Current (ID): 500 mA
• Power Dissipation (PD): 830 mW
• Operating Temperature: −55°C to +150°C

Typical Applications 🔧

Versatile for both hobbyist and professional designs, the BS170 fits many switching and analog roles:

• Power management: Efficient low‑power conversion and regulation stages.
• High‑speed switching: DC‑DC converters, PWM control, level shifting, relay/solenoid drivers, and small motor control.
• Amplification: Small‑signal amplifier stages in analog and mixed‑signal circuits.

Integration Notes for Arduino & Raspberry Pi 💡

• Arduino (5 V logic): Suitable for direct gate drive in many low to moderate current switching tasks. Add a small gate resistor and a pull‑down for stable operation.
• Raspberry Pi (3.3 V logic): For higher currents or lower losses, consider a gate driver or a logic‑level MOSFET alternative. Always use a flyback diode with inductive loads.

This BS170 N‑Channel MOSFET is a reliable choice for engineers and makers building microcontroller-driven projects, Arduino shields, Raspberry Pi GPIO interfaces, and compact electronics modules that demand fast, efficient switching within a small footprint.