KV2121-00

Description：SI TVAR NON HERMETIC CHIP
Series：-

SKU:ef4901d7df9c Category: Variable Capacitance (Varicaps, Varactors) Brand: Microchip Technology

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Product introduction

Product Detailed Parameters

Description：SI TVAR NON HERMETIC CHIP
Series：-
Mfr：Microchip Technology
Package：Tray
Capacitance @ Vr, F：0.35pF @ 20V, 1MHz
Capacitance Ratio：4.3
Capacitance Ratio Condition：C4/C20
Voltage - Peak Reverse (Max)：22 V
Diode Type：Single
Q @ Vr, F：1000 @ 4V, 50MHz
Operating Temperature：-55°C ~ 150°C
Grade：-
Qualification：-
Mounting Type：Surface Mount
Package / Case：Die
Supplier Device Package：Chip

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KV2121-00

Overview

The KV2121-00 is a silicon tuning varactor (TVAR) diode manufactured by Microchip Technology. It is designed for RF and microwave frequency tuning applications. The component is available in a die package configuration. Key electrical parameters include a capacitance of 0.35pF at 20V and 1MHz, with a capacitance ratio of 4.3. The device operates under specific test conditions, including Q @ Vr, F of 1000 @ 4V, 50MHz.

Feature Summary

Single-channel variable capacitance design suitable for filtering and amplification applications.
Non-hermetic chip construction optimized for surface mount integration.

Applications

RF frequency tuning
Microwave circuit adjustment
Filtering applications
Amplification circuits

Procurement Notes

Verify the specific datasheet version and application notes provided by Microchip Technology before integration. Confirm that the die-level packaging requires appropriate handling and assembly processes compatible with non-hermetic chips. Ensure that the RF testing conditions align with the specified Q and capacitance ratios to guarantee performance in the target circuit design.

Selection Notes

Select this component when a single-channel silicon varactor is required for high-frequency tuning. Consider the die package format and its implications for board layout and thermal management. Evaluate the capacitance ratio and Q factor against the specific requirements of the RF or microwave system to ensure adequate tuning range and efficiency.

Part Context

This part belongs to the category of discrete semiconductor products, specifically variable capacitance diodes or varicaps. It is distinct from integrated USB switches or other power management ICs offered by the manufacturer. The KV2121-00 serves as a passive component essential for adjusting resonant frequencies in analog radio frequency systems.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult Microchip Technology directly for potential alternatives or obsolescence notices if this component is no longer suitable for new designs.