ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：LEAD FREE VARACTOR,PLASTIC,SOT-2
- Series：-
- Mfr：MACOM Technology Solutions
- Package：Tape & Reel (TR),Cut Tape (CT)
- Capacitance @ Vr, F：11pF @ 4V, 1MHz
- Capacitance Ratio：4.5
- Capacitance Ratio Condition：C0/C30
- Voltage - Peak Reverse (Max)：30 V
- Diode Type：1 Pair Common Cathode
- Q @ Vr, F：1300 @ 4V, 1MHz
- Operating Temperature：-55°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23
Download product information
Overview
The MAVR-045440-0287FT is a silicon abrupt tuning varactor diode from the MAVR-0454xx series, manufactured by MACOM Technology Solutions. It features an ion-implanted junction and is housed in a surface mount SOT-23 package with common cathode configuration. The device provides a nominal total capacitance of 10 pF, with a minimum range of 9 pF and a maximum of 11 pF. It exhibits a typical capacitance ratio of 4.5 at 1 MHz and a minimum quality factor of 1300 at 4 V reverse bias. The component supports efficient wide tuning across a 0 to 30 V voltage range and includes 100% matte tin plating for RoHS compliance.
Feature Summary
- SPC monitored ion implantation process ensures superior lot-to-lot repeatability for C-V and Q-V characteristics.
- Designed for general purpose tuning applications in HF through UHF frequency bands.
- Utilizes a cost-effective surface mount plastic package with 100% matte Sn plating.
Applications
- Voltage controlled oscillators (VCOs)
- Voltage tuned filters
- Radio tuners
- Cable TV tuners
- Test instruments
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm package style, internal configuration, and packaging format. Ensure that the selected variant aligns with the required surface mounting procedures and thermal limits specified in the manufacturer's application notes.
Selection Notes
Select this component when consistent capacitance-voltage performance is critical for HF to UHF circuits. The common cathode configuration allows for differential tuning or balanced circuit topologies. Verify that the operating temperature range and absolute maximum ratings meet the system requirements.
Part Context
This part belongs to the MAVR-0454xx series of silicon abrupt tuning varactors. The series offers various capacitance values and configurations, including single and common cathode options, packaged in SOT-23 and SOT-323 formats to suit different space and performance constraints.
Replacement Considerations
Direct replacements within the same series include MAVR-045436-0287FT, MAVR-045438-0287FT, MAVR-045441-0287FT, and MAVR-045446-0287AT. These share identical package dimensions and electrical characteristics but differ in nominal capacitance values.
FAQ
What is the minimum breakdown voltage for the MAVR-045440-0287FT?
The minimum breakdown voltage is 30 V, measured at a reverse current of 10 mA.
Does the MAVR-045440-0287FT support lead-free soldering processes?
Yes, the device is RoHS compliant and features 100% matte tin plating, supporting reflow temperatures up to 260°C.
What is the maximum forward current rating?
The absolute maximum forward current rating is 50 mA.
