MMBD354LT1G

RF Diode Overview

The MMBD354LT1G is a PNP small-signal switching transistor manufactured by onsemi. It is housed in a SOT-23 surface-mount package with three pins. The device features a maximum DC collector current (IDC) of -600 mA and a collector-emitter voltage (VCEO) of -40 V. The collector-base voltage (VCBO) is rated at 40 V. It operates within a temperature range from -55°C to +150°C.

RF Diode Feature Summary

• Single PNP transistor configuration optimized for general-purpose switching applications
• Compact SOT-23 surface-mount package suitable for space-constrained designs
• High thermal stability with extended junction temperature range up to 150°C

RF Diode Applications

• General-purpose signal switching circuits
• Low-power logic interface drivers
• Battery-powered portable electronic devices

RF Diode Procurement Notes

Verify the complete part number including the suffix 'T1G' to ensure correct tape-and-reel packaging and lead-free compliance. Confirm that the SOT-23 footprint matches the target PCB design. Check RoHS status and automotive qualification requirements if applicable to the specific end-use environment.

RF Diode Selection Notes

Select this component when a compact PNP switch is required with moderate current handling capabilities. Ensure the application voltage does not exceed the -40 V rating. Consider thermal management solutions if operating near the upper temperature limits due to the small package size.

RF Diode Part Context

This transistor belongs to the MMBT4403L series family, designed for high-efficiency switching in consumer electronics. It serves as a direct replacement for older discrete PNP transistors in modern surface-mount assembly processes, offering improved consistency and reliability compared to through-hole alternatives.

RF Diode Replacement Considerations

Direct pin-compatible substitutes include the MMBT4403LT1G. Verify electrical parameter equivalence before substitution.