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Product Detailed Parameters
- Description：DIODE VARACTOR
- Series：-
- Mfr：Skyworks Solutions Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Capacitance @ Vr, F：14.8pF @ 4.5V, 1MHz
- Capacitance Ratio：6
- Capacitance Ratio Condition：C1/C5
- Voltage - Peak Reverse (Max)：10 V
- Diode Type：1 Pair Common Cathode
- Q @ Vr, F：-
- Operating Temperature：-55°C ~ 125°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
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Overview
The SMV1470-004LF is a dual silicon hyperabrupt junction tuning varactor diode in a common cathode configuration. It features a maximum reverse voltage of 10 V and operates within a temperature range of -55 °C to +125 °C. Electrical specifications include a typical capacitance of 13.4 pF at 4.5 V (1 MHz) and a minimum capacitance ratio of 5. The series resistance is typically 0.8 Ω at 900 MHz, with a parasitic inductance of 1.4 nH. The device is housed in an SOT-23 package.
Feature Summary
- Dual common cathode configuration for integrated circuit designs
- Hyperabrupt junction profile optimized for high capacitance ratios
- Low series resistance suitable for low-noise oscillator applications
Applications
- Low-noise Voltage Controlled Oscillators (VCOs)
- Voltage-Controlled Crystal Oscillators (VCXOs)
- Wireless systems including GSM, PCS, CDMA, and analog phones
Procurement Notes
Verify the component status as End-of-Life (EOL) through official Skyworks channels before finalizing procurement plans. Confirm that the lead-free marking corresponds to RoHS compliance requirements. Ensure storage conditions adhere to Moisture Sensitivity Level 1 guidelines to prevent solder assembly issues related to moisture absorption.
Selection Notes
Select this component when a dual common cathode varactor is required for tight space constraints using the SOT-23 outline. The hyperabrupt junction design supports wideband tuning applications. Verify that the 10 V breakdown voltage aligns with the system's maximum reverse bias requirements.
Part Context
This part belongs to the SMV1470 series of surface mount plastic varactor diodes manufactured by Skyworks Solutions. The series is designed for RF and microwave applications requiring industry-standard packaging. The specific suffix indicates the lead-free and RoHS-compliant variant of the standard dual varactor.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation.
FAQ
What is the typical capacitance value at 4.5 V?
The typical capacitance is 13.4 pF at a reverse voltage of 4.5 V and a frequency of 1 MHz.
What is the maximum operating temperature?
The maximum operating temperature is +125 °C.
Does the device have a SPICE model available?
Yes, a SPICE model is provided in the datasheet with associated parameters such as CJO, VJ, M, CP, RS, and LS.
