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Product Detailed Parameters
- Description：SI TVAR NON HERMETIC CHIP
- Series：GC15000
- Mfr：Microchip Technology
- Package：Tray
- Capacitance @ Vr, F：0.3pF @ 20V, 1MHz
- Capacitance Ratio：8
- Capacitance Ratio Condition：C0/C15
- Voltage - Peak Reverse (Max)：22 V
- Diode Type：Single
- Q @ Vr, F：1300 @ 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 GC15002-00 is a silicon epitaxial mesa Frequency Linear Tuning Varactor (FLTVAR) designed for wideband linear tuning in VCO and filter applications. It features a maximum leakage current of 50 nA at 20 volts, an operating temperature range from -55°C to +125°C, and a storage temperature range from -65°C to +150°C. Electrical parameters include a breakdown voltage of 22V at 10μA reverse current, a capacitance of 1.0 pF at -4V bias, and 0.3 pF at -20V bias. The device offers a typical sensitivity of .08, a tuning ratio of 8:1 (CJ0/CJ15), and a Q factor of 1300 at 4V and 50MHz.
Feature Summary
- Provides wideband linear tuning characteristics suitable for octave tuning without external linearization.
- Features superior passivation for high reliability, low leakage current, and low surface noise.
- Delivers exceptional Q values well above ion-implanted hyperabrupt diodes.
Applications
- Voltage Controlled Oscillators (VCOs)
- Filters
- Modulators
- Amplifiers
Procurement Notes
Verify the specific package style required, as the datasheet lists multiple options including chip style (GC15xxxx-00), hermetic stripline SMT (GC15xxxx-17), and non-hermetic SMT (GC15xxxx-450A/B). Confirm that the standard gold terminal finish meets your assembly requirements. Ensure ESD precautions are used during handling due to component sensitivity.
Selection Notes
Select this model based on its specific capacitance profile of 1.0 pF at -4V and 0.3 pF at -20V. The sensitivity value of .08 distinguishes it from other series variants with .11 sensitivity. Consider the Q factor of 1300 at 50MHz for phase noise performance requirements. Verify compatibility with Ku-band frequency operations if applicable.
Part Context
This component belongs to the GC15000 series of frequency linear tuning varactors manufactured by Microsemi (now Microchip Technology). The series includes models ranging from GC15001 to GC15013, offering various capacitance values while maintaining consistent electrical characteristics such as breakdown voltage and sensitivity profiles for different circuit tuning needs.
Replacement Considerations
Other models within the GC15000 series, such as GC15001-00 or GC15003-00, share similar electrical structures but differ in capacitance values. Substitution requires matching the specific Cj(-4V) and Cj(-20V) requirements of the design. Package styles must also be verified for physical compatibility.
