BB659CH7902XTSA1

Overview

The BB659CH7902XTSA1 is a single-channel varactor diode manufactured by Infineon Technologies, designed for surface-mount applications in the SCD-80 package. It features a maximum peak reverse voltage of 30 V and operates within a junction temperature range of -55°C to 150°C. The device exhibits a capacitance of 2.75 pF at 28 V reverse bias measured at 1 MHz. It provides a capacitance ratio of 15.3 under conditions defined as C1/C28. This component belongs to the BB659 basic product family and is classified as a variable capacitor or varactor diode.

Feature Summary

• Single-channel varactor configuration optimized for surface-mount integration
• Capable of withstanding peak reverse voltages up to 30 V
• Operates reliably across an extended industrial temperature range from -55°C to 150°C

Applications

• Voltage-controlled oscillator (VCO) tuning circuits
• Frequency modulation (FM) modulators
• Phase-locked loop (PLL) filter networks

Procurement Notes

Verify part authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix XTSA1 matches required reel specifications. Check current lifecycle status as this item may be discontinued. Ensure storage conditions adhere to moisture sensitivity level requirements prior to assembly.

Selection Notes

Select this component when a single varactor with a 30 V rating is required. Verify that the 2.75 pF capacitance at 28 V meets circuit design constraints. Ensure the SCD-80 package footprint is compatible with the PCB layout. Consider the 15.3 capacitance ratio for tuning linearity requirements.

Part Context

This part is a variant within the BB659C series of varactor diodes. The BB659 family offers various capacitance ratios and voltage ratings. The CH7902XTSA1 designation specifies the particular electrical characteristics and packaging format for this specific orderable unit.

Replacement Considerations

Check for direct cross-references from other manufacturers offering similar 30 V single-channel varactors in SCD-80 packages. Verify equivalent capacitance values and ratios before substitution.