SMV1234-004LF

 SMV1234-004LF Specifications

Manufacturer: Skyworks Solutions, Inc.
Part Number: SMV1234-004LF
Product Type: Hyperabrupt Junction Tuning Varactor Diode
Diode Configuration: Common Cathode
Reverse Voltage (VR): 15 V (maximum)
Forward Current (IF): 20 mA (maximum)
Power Dissipation (PDIS): 250 mW (maximum)
Capacitance Ratio (C1/C6): 3.4
1V Capacitance (C1): 6.28 pF (typical)
4v Capacitance (C4): 2.81 pF (typical)
Series Resistance (RS): 0.8 Ω (maximum)
Package / Case: SOT-23
Mounting Type: Surface Mount
Operating Temperature Range: -55°C to +125°C
RoHS Status: RoHS Compliant
End-of-Life Status: Discontinued; not recommended for new designs

Key Features

The SMV1234-004LF is a hyper abrupt junction tuning varactor diode designed for applications requiring low tuning voltage operation. Its high capacitance ratio and low series resistance make it suitable for high-Q resonators in wireless system voltage-controlled oscillators (VCOs) operating at frequencies beyond 2.5 GHz. The device’s common cathode configuration and compact SOT-23 package facilitate integration into various circuit designs. Operating over a wide temperature range from -55°C to +125°C, it ensures reliable performance in diverse environmental conditions.

Applications

Low tuning voltage VCOs
High-Q resonators in wireless system VCOs
High-volume commercial systems

Product Overview

The SMV1234-004LF varactor diode from Skyworks Solutions is engineered to provide high performance in VCO applications with low tuning voltages. Its hyperabrupt junction design contributes to a high capacitance ratio, which is essential for achieving wide frequency tuning ranges. The low series resistance minimizes phase noise, enhancing signal clarity in communication systems. Although this particular model has been discontinued and is not recommended for new designs, alternative models such as the SMV1234-079LF, SMV1234-040LF, and SMV1234-011LF are available, offering similar electrical characteristics and improved performance. Engineers are advised to consider these substitutes for current and future projects to ensure long-term support and availability.

Contact Us

For additional information regarding our products, feel free to get in touch with us. You can call us at 770-870-1760 or email us at info@Cyndtek.com. We look forward to assisting you and ensuring your satisfaction with all of our Cyndtek products.