High-Frequency Schottky Diodes Description
High-Frequency Schottky Diodes are rapidly switching semiconductor devices specifically designed for applications in high-frequency (RF), microwave, and high-speed digital circuits. These diodes utilise a metal-semiconductor junction that allows for an extremely low forward voltage drop and minimal junction capacitance, resulting in rapid response times and reduced signal distortion. High-Frequency Schottky Diodes are ideal for mixers, detectors, power rectifiers, and protection circuits in communication and radar systems, valued for their efficiency, speed, and reliability in high-frequency signal processing.
High-Frequency Schottky Diodes Applications
- RF and microwave circuits - used in mixers, detectors, and switches to minimise signal loss
- Digital high-speed circuits - for rapid logical level shifting and signal rectification
- Power detectors - for measuring signal strength in communication systems
- Clamping and protection circuits - to safeguard sensitive components from voltage spikes
- Switch-mode power supplies (SMPS) - for high-speed rectification with low losses
- Frequency multipliers - to generate higher harmonics in oscillator circuits
- Radar and satellite communication systems - for signal processing at GHz frequencies
- Impedance matching networks - in RF designs to maintain signal integrity
High-Frequency Schottky Diodes Packaging
Our products are packaged in bespoke cartons of various sizes based on dimensional specifications. Smaller items are securely packed in PP cartons, while larger items are placed in custom wooden crates. We emphasise strict adherence to packaging configurations and the use of suitable cushioning materials to ensure optimal protection during transport.
Packaging: Carton, wooden crate, or custom.
Please review the packaging details for your information.
High-Frequency Schottky Diodes FAQ
Q1: What is a High-Frequency Schottky Diode?
A: It is a type of Schottky diode optimised for high-speed and high-frequency applications such as RF, microwave, and high-speed digital circuits. It offers rapid switching, a low forward voltage drop, and minimal reverse junction capacitance.
Q2: How does it differ from standard Schottky diodes?
A: High-Frequency Schottky Diodes have lower junction capacitance, faster recovery times, and are specifically designed for use at GHz frequencies, whereas standard Schottky diodes are generally intended for power rectification at low to medium frequencies.
Q3: Where are these diodes used?
A: They are frequently utilized in RF mixers, detectors, high-speed rectifiers, switch-mode power supplies, communication systems, and radar electronics.
Q4: What advantages do these diodes offer in RF applications?
A: They provide low noise, rapid response times, and minimal signal distortion, which are essential for maintaining signal integrity at high frequencies.
Performance Comparison Table with Competing Products
|
Feature
|
High-Frequency Schottky Diodes
|
Standard Schottky Diodes
|
|
Switching Speed
|
Ultra-fast (GHz range)
|
Fast (typically in MHz range)
|
|
Junction Capacitance
|
Very low (for better RF performance)
|
Higher, not optimised for RF
|
|
Forward Voltage Drop (VF)
|
Low (typically 0.2V-0.4V)
|
Low (0.3V-0.6V)
|
|
Reverse Recovery Time
|
Negligible (ideal for RF/digital signals)
|
Short, but longer than HF types
|
|
Frequency Range
|
Tens of MHz to several GHz
|
Up to a few MHz
|
|
Primary Applications
|
RF mixers, detectors, high-speed logic, power sensing
|
DC-DC converters, low-voltage rectification, SMPS
|
|
Reverse Leakage Current
|
Typically higher, manageable in RF circuits
|
Moderate, varies with power and temperature
|
|
Package Types
|
Small SMD packages (e.g., SOD-123FL, SOD-123)
|
Includes both small signal and TO-220/SMC power types
|
|
Power Consumption
|
Low to moderate
|
Moderate to high (power types like MBR series)
|
|
Cost
|
Slightly higher due to specialised design
|
Lower for general-purpose models
|
Specification
Parameters
|
Type
|
VRRM
|
I(AV)
|
IFSM
|
VF
|
IR
|
Package
|
|
V
|
A
|
A
|
V
|
IF (A)
|
mA
|
VR (V)
|
|
PMEG2010ER
|
20
|
1
|
40
|
0.55
|
1
|
0.2
|
20
|
SOD-123FL
|
|
PMEG6010ER
|
60
|
1
|
40
|
0.7
|
1
|
0.3
|
60
|
SOD-123FL
|
|
DS22W
|
20
|
2
|
50
|
0.55
|
3
|
0.5
|
20
|
SOD-123FL
|
|
DS220W
|
200
|
2
|
40
|
0.95
|
2
|
0.3
|
200
|
SOD-123FL
|
|
B5817W
|
20
|
1
|
20
|
0.45
|
1
|
1
|
20
|
SOD-123G
|
|
BAS40H
|
50
|
0.5
|
-
|
0.52
|
0.5
|
2
|
40
|
SOD-123
|
*The above product information is based on theoretical data. For more models and detailed inquiries, please contact us.
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