BSS123LT1

Single FETs, MOSFETs Overview

The BSS123LT1 is an N-channel enhancement mode Power MOSFET from onsemi, designed for low-voltage and low-current switching applications. It features a maximum drain-source voltage of 100 Vdc and a continuous drain current of 0.17 Adc. The device utilizes TrenchMOS technology to achieve a static drain-source on-resistance of 6.0 Ω at VGS = 10 Vdc. Packaged in a compact SOT-23 (TO-236) surface-mount format with three pins, it supports a junction temperature range from -55°C to +150°C and offers a total device dissipation of 225 mW on an FR-5 board.

Single FETs, MOSFETs Feature Summary

• Utilizes TrenchMOS technology to minimize on-resistance while ensuring robust switching performance
• Features logic-level gate threshold voltage suitable for direct drive by standard logic circuits
• Provides high-speed switching characteristics with defined turn-on and turn-off delay times

Single FETs, MOSFETs Applications

• Load switch applications in portable devices
• Battery protection circuits
• Small servo motor control systems
• Power MOSFET gate driver stages

Single FETs, MOSFETs Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and shipping configuration. Confirm that the requested variant matches the required thermal and electrical specifications for the intended operating environment. Ensure compliance with applicable environmental standards such as RoHS if lead-free packaging is mandated for the project.

Single FETs, MOSFETs Selection Notes

Select this component for designs requiring a compact N-channel switch with moderate voltage blocking capabilities. Evaluate the thermal resistance and power dissipation limits relative to the expected load current and ambient temperature conditions. Consider the gate threshold voltage range when interfacing with microcontrollers or logic gates to ensure reliable turn-on and turn-off states under varying supply voltages.

Single FETs, MOSFETs Part Context

This device belongs to the BSS123 family of small-signal MOSFETs manufactured by onsemi. It is part of the company's broader portfolio of discrete semiconductor components designed for consumer electronics and industrial applications. The product line emphasizes cost-effective solutions for power management and signal switching tasks within space-constrained printed circuit board layouts.

Single FETs, MOSFETs Replacement Considerations

Compatible alternatives include the BSS123LT1G, which denotes a lead-free compliant version of the same device. Other variants within the series may offer different tape and reel quantities but maintain identical electrical characteristics. Verify pinout compatibility and thermal performance before substituting any cross-referenced parts.