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Product Detailed Parameters
- Description：SI TVAR NON HERMETIC CHIP
- Series：GC15000
- Mfr：Microchip Technology
- Package：Tray
- Capacitance @ Vr, F：0.55pF @ 20V, 1MHz
- Capacitance Ratio：8
- Capacitance Ratio Condition：C0/C15
- Voltage - Peak Reverse (Max)：22 V
- Diode Type：Single
- Q @ Vr, F：1200 @ 4V, 50MHz
- Operating Temperature：-55°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：Die
- Supplier Device Package：Chip
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Overview
The GC15003-00 is a silicon epitaxial mesa Frequency Linear Tuning Varactor (FLTVAR) designed for wideband linear tuning in VCO and filter applications. It features superior passivation for high reliability, low leakage current, and low surface noise. The device offers Q values well above ion-implanted hyperabrupt diodes and meets RoHS requirements per EU Directive 2002/95/EC. Key electrical parameters include a breakdown voltage of 22V at 10μA reverse current, a capacitance of 2.0pF at -4V bias, and a typical Q factor of 1200 at 50MHz.
Feature Summary
- Provides wideband linear tuning without external linearization
- Features very low phase noise and exceptional Q factor
- Utilizes computer-controlled grown junction epitaxy
Applications
- Voltage Controlled Oscillators (VCOs)
- Filters
- Modulators
- Amplifiers
Procurement Notes
Verify the specific package style required for your design, as options include chip style (GC15xxxx-00), hermetic stripline surface mount (GC15xxxx-17), or non-hermetic surface mount (GC15xxxx-450A/B). Confirm that the standard gold terminal finish aligns with your assembly process. Consult the manufacturer directly for special packaging or material requirements.
Selection Notes
Select this component when octave tuning through Ku band is required. The GC15003-00 provides a capacitance of 2.0pF at -4V, suitable for circuits needing moderate capacitance ratios. Ensure the operating temperature range of -55°C to +125°C fits your environmental constraints. Consider the sensitivity series S=0.08 for constant modulation sensitivity.
Part Context
This part belongs to the GC15000 series of frequency-linear tuning varactors manufactured by Microsemi (now Microchip Technology). The series covers models from GC15001 to GC15013, offering various capacitance values to suit different tuning ranges. These devices are specifically engineered for microwave applications requiring high linearity and low noise performance.
Replacement Considerations
Direct substitutes within the same family include GC15002-00 (1.0pF) and GC15004-00 (5.0pF). For higher capacitance needs, consider GC15005-00 (10.0pF). If a different sensitivity series is acceptable, the S=0.11 variants like GC15008-00 may be evaluated, though their electrical characteristics differ.
