MMBV409LT1G

Overview

The MMBV409LT1G is a single silicon tuning diode manufactured by onsemi, designed for surface-mount applications. It is housed in an SOT-23 (TO-236) package with three pins. The device features a maximum reverse working voltage of 20 V and a collector-base voltage rating of 60 V. Key electrical specifications include a maximum DC collector current of 600 mA and a transition frequency of 250 MHz. It operates within a temperature range from -55°C to +150°C, with a maximum power dissipation of 300 mW.

Feature Summary

• Single-channel variable capacitance diode structure
• Surface-mount compatibility via SOT-23 package
• Silicon-based tuning diode technology

Applications

• RF circuit tuning
• Voltage-controlled oscillator (VCO) frequency adjustment
• Phase-locked loop (PLL) filter networks

Procurement Notes

Verify the component matches the specific MMBV409LT1G part number to ensure correct voltage ratings and package type. Confirm that the supplier provides official datasheets and compliance documentation, such as RoHS status, to guarantee material integrity. Cross-reference the manufacturer code to avoid counterfeit devices, as this component requires precise capacitance characteristics for RF stability.

Selection Notes

Select this component when a single varactor with a 20 V reverse voltage rating is required in a compact SOT-23 footprint. Ensure the application demands a transition frequency of at least 250 MHz and can accommodate a maximum power dissipation of 300 mW. Consider the operating temperature range limits if the environment exceeds standard commercial bounds.

Part Context

This part belongs to the category of variable capacitance diodes, also known as varactors, used primarily in RF and microwave circuits. It is distinct from general-purpose switching or rectifier diodes due to its voltage-dependent junction capacitance property. The SOT-23 packaging allows for high-density PCB layouts common in modern consumer electronics and communication modules.

FAQ

What is the maximum reverse working voltage for the MMBV409LT1G?

The maximum reverse working voltage is 20 V.

Which package type does the MMBV409LT1G use?

It uses an SOT-23 (TO-236) surface-mount package.