DMF2078-000

RF Diode Overview

The DMF2078-000 is a beam-lead silicon Schottky barrier mixer diode quad configured as a bridge rectifier. It belongs to the low drive category within the DMF series, designed for operation in the Ku frequency band (12.4 to 18.0 GHz). The device features a maximum junction capacitance of 0.15 pF and a typical series resistance of 13 Ω at 5 mA forward current. Electrical characteristics include a breakdown voltage of 2 V at 10 μA and a forward voltage range of 260 to 330 mV at 1 mA. It operates within an ambient temperature range of -65°C to +175°C with a continuous wave power dissipation rating of 75 mW per junction.

RF Diode Feature Summary

• Beam-lead design reduces bonding challenges associated with small low-capacitance junctions
• Utilizes statistical process control wafer fabrication for uniformity
• Low parasitic properties suitable for balanced mixer configurations
• Halogen-free construction compliant with applicable legislation

RF Diode Applications

• Microwave Integrated Circuits (MICs)
• Ku-band mixers
• Detectors
• Modulators
• High-speed switches

RF Diode Procurement Notes

Verify component authenticity by checking manufacturer markings against datasheet specifications. Confirm package outline drawing 488-004 matches physical dimensions. Ensure handling procedures strictly follow electrostatic discharge precautions due to device sensitivity. Validate that the specific ordering suffix corresponds to the required configuration before finalizing procurement orders.

RF Diode Selection Notes

Select this part when designing Ku-band applications requiring low local oscillator drive levels. Compare junction capacitance and series resistance values against circuit impedance requirements. Consider the beam-lead package type for compatibility with existing microwave integrated circuit layouts. Evaluate thermal management capabilities given the 75 mW per junction power dissipation limit under continuous wave conditions.

RF Diode Part Context

This component is part of the DME, DMF, and DMJ series of silicon beam-lead Schottky mixer diodes manufactured by Skyworks Solutions, Inc. The series covers S, C, X, Ku, K, and Ka bands with varying drive levels. The DMF2078-000 specifically addresses Ku-band needs using a bridge quad configuration, offering standardized performance metrics for consistent system integration across microwave designs.

RF Diode Replacement Considerations

DMF2076-000: S/C band equivalent

RF Diode FAQ

What is the operating frequency band for the DMF2078-000?

The DMF2078-000 is designed for the Ku frequency band, which ranges from 12.4 to 18.0 GHz.

How many diodes are contained within the DMF2078-000 package?

The DMF2078-000 contains four diodes arranged in a bridge quad configuration.

What is the maximum continuous wave power dissipation per junction?

The absolute maximum rating for continuous wave power dissipation is 75 mW per junction.