The BSS138 is a widely-used N-channel MOSFET transistor, perfect for low-voltage level shifting, switching applications, and Arduino projects. In this guide, we’ll explore its datasheet, circuit examples, where to buy, and how to use it effectively.
๐ BSS138 Specifications & Datasheet
- Type: N-channel MOSFET
- Max Drain-Source Voltage: 50V
- Continuous Drain Current: 220mA
- Rds(on): 3.5Ω (max at Vgs = 2.5V)
- Package: SOT-23
๐ Where to Buy BSS138 (Nexperia, ON Semi, etc.)
We offer authentic BSS138 MOSFETs from leading manufacturers like Nexperia and ON Semiconductor. Available in small quantities and bulk wholesale.
๐ How to Use BSS138 in Circuits
The BSS138 is popular in level shifter circuits, Arduino-controlled relays, and other low-power switching applications. Below is a simple circuit example:
- โ Level shifter for I2C (3.3V ↔ 5V)
- โ MOSFET switch for small motors/LEDs
- โ Fast switching for PWM control
๐ค FAQ: Common Questions About BSS138
- Is BSS138 suitable for high current?
- No. It handles up to 220mA. For higher current, use IRFZ44N or IRLZ44N.
- Can I use BSS138 for logic level conversion?
- Yes. It’s a perfect choice for low-speed logic level shifting.
- What are BSS138 alternatives?
- IRLML6344, 2N7002, or IRF730.
๐ Related Resources
๐งพ Tags:
#bss138, #Diodes Incorporated, #Infineon Technologies, #Nexperia, #ROHM Semiconductor
