Diodes - RF
Diodes - RF: Precision Components for High-Frequency Applications
Definition & Scope
Diodes - RF (Radio Frequency) are specialized discrete semiconductor devices engineered to manage and manipulate high-frequency signals in electronic circuits. Operating within the RF spectrum (typically 3 kHz to 300 GHz), these diodes are optimized for minimal signal loss, fast switching, and stable performance in demanding wireless, telecommunications, and microwave applications. As a critical subcategory under Discrete Semiconductor Products, RF diodes serve as rectifiers, mixers, detectors, and limiters in systems where frequency integrity is paramount.
Types of RF Diodes
1. Schottky Diodes: Leverage low forward voltage and rapid switching for RF detection and mixing.
2. PIN Diodes: Excel in attenuation and switching due to their intrinsic layer, ideal for RF/ signal control.
3. Varactor Diodes: Provide voltage-controlled capacitance, essential for tuning and phase-shifting circuits.
4. Gunn Diodes: Generate high-frequency oscillations, used in radar and millimeter-wave applications.
5. Zener Diodes (RF-rated): Ensure voltage regulation in noise-sensitive RF power supplies.
Purchasing Recommendations
- Frequency Range: Match the diode s operational bandwidth (e.g., S-band, Ka-band) to your system requirements.
- Power Handling: Verify maximum RF input power (dBm) to avoid thermal breakdown.
- Packaging: Select surface-mount (SMD) or coaxial packages based on PCB design and heat dissipation needs.
- Noise Figure: Critical for receivers; opt for low-noise diodes in sensitive amplification stages.
- Certifications: Prioritize RoHS-compliant and MIL-STD graded components for industrial/defense use.
RF diodes are pivotal in 5G infrastructure, IoT devices, and aerospace systems. Partner with trusted suppliers to ensure compliance with datasheet specifications and long-term reliability.
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BAP50-05W,115
PIN DIODE, 50V
MA4P7433CK-287T
RF DIODE PIN 75V 250MW SOT23-3
MMD837-T86
DIODE, SRD, T86 PACKAGE
MA4P7447ST-287T
DIODE,PIN,PLASTIC,LEADFREE
MBD330DWT1G
RF DIODE SCHOTTKY 30V 120MW SC88
MA4L062-134
DIODE,PINLIMITER,CHIP
GMP4235-GM1/TR
SI PIN NON HERMETIC PLASTIC SMT
BAR6404E6327HTSA1
RF DIODE PIN 150V 250MW SOT23-3
MPL4703-206/TR
DIODE SI LIMITER NON HERMETIC MM
MA4E20541-1279T
SCHOTTKY LEAD-FREE PLASTIC
MADP-017015-13140G
RF DIODE PIN 115V
MA44781
DIODE,VARACTOR,BONDED,STRIPLINE,
1SV233-TB-E
RF DIODE PIN 50V 150MW 3CP
MMDL101T1G
DIODE SCHOTTKY 7V 200MW SOD323
MA4P505-1072T
RF DIODE PIN 500V 15W
MLP7131-11
LIMITER DIODE, DIE
LXP1002-23-0/TR
SI PIN NON HERMETIC PLASTIC SMT
MA4E1339A1-1146T
ASSEMBLY,SCHOTTKY,MA4E1339A1-114
MBD101G
RF DIODE SCHOTTKY 7V 280MW TO92
MADP-007433-12790T
DIODE,PIN,PLASTIC