20pcs SOT-23 MOSFET Transistors BSS138 BSS84 BSN20 BSS123
20pcs SOT-23 MOSFET Transistors BSS138 BSS84 BSN20 BSS123
20-Piece SOT-23 Small Signal MOSFET Transistor Assortment
Stock your electronics workbench with this convenient 20-piece assortment of general-purpose SOT-23 small signal transistors. Each pack includes a selection of popular N-channel and P-channel MOSFETs and bipolar transistors widely used in switching, logic-level interface, and signal amplification circuits. Perfect for hobbyists, engineers, and repair technicians who need reliable surface-mount components on hand.
Available Models
- BSS138-7-F – N-Channel MOSFET, logic-level compatible, ideal for low-voltage switching
- BSS123-7-F – N-Channel MOSFET, low threshold voltage, suitable for battery-powered designs
- BSS84-7-F – P-Channel MOSFET, low on-resistance, great for load switching
- BS870-7-F – N-Channel MOSFET, high-speed switching applications
- BSN20-7 – N-Channel MOSFET, general-purpose enhancement mode
- BSS127S-7 – N-Channel MOSFET, high voltage, small signal
- DNBT8105-7 – General-purpose small signal transistor
Key Features
- Pack of 20: Great value assortment for prototyping, repair, and breadboarding
- SOT-23 Package: Industry-standard surface-mount package, easy to solder
- General Purpose Use: Suitable for switching, amplification, and logic-level interfacing
- Multiple Models Available: Choose the exact part number you need from the dropdown
- High Compatibility: Drop-in replacements for common circuit designs
- No High-Concern Chemicals: Compliant with standard electronic component safety requirements
Specifications
| Quantity | 20 pieces per pack |
| Package Type | SOT-23 (Surface Mount) |
| Device Type | MOSFET / Small Signal Transistor |
| Application | General Purpose Switching & Amplification |
| Customization | Available |
| Country of Origin | Made in Mainland China |
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Frequently Asked Questions
Q: What is the package type for these SOT-23 transistors?
A: All transistors in this assortment use the standard SOT-23 surface-mount package, which is one of the most widely used compact packages in modern PCB design. They are compatible with standard SOT-23 footprints on most circuit boards.
Q: Can I use these MOSFET transistors for low-voltage logic-level switching?
A: Yes! Models such as the BSS138-7-F and BSS123-7-F are specifically designed for logic-level switching applications, making them ideal for use with microcontrollers like Arduino, Raspberry Pi, and other 3.3V/5V systems.
Q: How many pieces are included in each pack?
A: Each pack contains 20 pieces. You can select the specific model number (e.g., BSS138-7-F, BSS84-7-F, BSN20-7, etc.) that best suits your project requirements.
Q: Are these transistors suitable for beginners and hobbyists?
A: Absolutely. The SOT-23 package is beginner-friendly for soldering once you have the basic tools, and these general-purpose transistors are commonly featured in electronics tutorials, kits, and prototyping projects. Having a mixed assortment on hand saves time when experimenting with different circuit designs.