BB208-03,135

Overview

The BB208-03 is a low voltage variable capacitance diode utilizing planar technology, housed in an SOD323 (SC-76) ultra-small surface-mount plastic package. It features very low series resistance and excellent CV linearity with a high capacitance ratio. The device operates with a continuous reverse voltage of up to 10 V and a forward current of 20 mA. At 25 °C, the diode capacitance ranges from 4.5 pF to 23.2 pF depending on the applied reverse bias voltage. The junction temperature range spans from -55 °C to +125 °C.

Feature Summary

• Ultra-small SMD plastic packaging for space-constrained designs
• Very low series resistance for efficient signal transmission
• Excellent CV linearity ensuring stable tuning performance
• High capacitance ratio across the operating voltage range

Applications

• Voltage Controlled Oscillators (VCO)
• Voltage Controlled Crystal Oscillators (VCXO)
• Temperature Controlled Crystal Oscillators (TCXO)

Procurement Notes

Verify the specific ordering suffix against official NXP documentation to confirm availability status and manufacturing origin. Ensure the selected component matches the required SOD323 package dimensions and marking codes before finalizing procurement orders.

Selection Notes

Select this component when a compact variable capacitance diode with low series resistance is required for RF tuning applications. Confirm that the operating voltage and frequency requirements align with the specified capacitance characteristics and limiting values provided in the datasheet.

Part Context

This part belongs to the BB208 series of low voltage variable capacitance diodes manufactured by NXP Semiconductors. The BB208-03 variant specifically utilizes the SOD323 package, distinguishing it from the BB208-02 which uses the SOD523 package. Both share similar electrical characteristics but differ in physical footprint.

Replacement Considerations

Consult the official NXP selector guide or datasheet for verified equivalent parts. Ensure any substitute maintains the same package type, pin configuration, and electrical specifications to guarantee compatibility.