Overview
The 2CLG1-20 is a high-voltage fast recovery rectifier diode designed for demanding high-frequency and high-voltage applications. With a maximum repetitive reverse voltage of 20kV, fast recovery characteristics, low leakage current, and excellent surge resistance,
Compared with conventional microwave oven diodes, the 2CLG1-20 offers improved switching performance and lower reverse leakage, making it suitable for high-frequency HV rectification applications.
Key Features of 2CLG1-20
* Low reverse leakage current
* Strong surge current resistance
* Compact axial package for easy installation
* Excellent temperature stability
* Suitable for harsh industrial environments
Electrical Characteristics
|
Electrical Characteristics (Tamb=25℃, all are max. values ) |
Symbol |
Conditions |
Rated Value |
Unit |
|
Repetitive Peak Reverse Voltage |
VRRM |
20 |
KV |
|
|
Working Peak Reverse Voltage |
VRWM |
20 |
KV |
|
|
Average Forward Current max. |
IF(AV) |
1 |
A |
|
|
Max. Surge Current |
IFSM |
30 |
A |
|
|
Max. Forward Voltage Drop |
VFM |
IFM=1000mA |
60 |
V |
|
Max. Reverse Current |
IRRM |
5.0 |
μA |
|
|
Max. Temperature Junction |
TJ |
120 |
℃ |
|
|
Storage Temperature Range |
Tstg |
-40～+120 |
℃ |
|
|
Time of Reverse Recovery |
Trr |
IF-2mA, IRM=4mA |
0.15 |
μS |
Typical package size for 2CLG1-20 series
|
|
|
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The main types for 1A fast recovery high voltage diode
|
Type |
Rated Values |
Temp. Condition |
Electrical Characteristic |
Dimension |
|||||
|
VRRM |
IF(AV) (mA) |
IFSM |
Tj |
Tstg |
VF |
IR1 |
Trr |
φbody*L, φlead |
|
|
[IF=IF(AV)] |
[VR=VRRM] |
||||||||
|
KV |
A |
A |
℃ |
℃ |
V |
μA |
μS |
mm |
|
|
2CLG1-10 |
10 |
1 |
30 |
120 |
-40~+120 |
30 |
5 |
0.15 |
Φ4.5*15/Φ1.0 |
|
2CLG1-20 |
20 |
1 |
30 |
120 |
-40~+120 |
60 |
5 |
0.15 |
Φ4.5*15/Φ1.0 |
|
BR2F |
2 |
1 |
50 |
120 |
-40~+120 |
9 |
5 |
0.15 |
Φ5*9/Φ1.2 |
|
BR3F |
3 |
1 |
50 |
120 |
-40~+120 |
9 |
5 |
0.15 |
Φ5*9/Φ1.2 |
|
BR4F |
4 |
0.8 |
50 |
120 |
-40~+120 |
11 |
5 |
0.15 |
Φ5*9/Φ1.2 |
|
BR5F |
5 |
0.8 |
50 |
120 |
-40~+120 |
14 |
5 |
0.15 |
Φ5*9/Φ1.2 |
|
BR10F |
10 |
0.4 |
50 |
120 |
-40~+120 |
25 |
5 |
0.15 |
Φ5*9/Φ1.2 |
|
HPB01 |
1 |
5 |
80 |
120 |
-40~+120 |
1.2 |
2 |
0.15 |
Φ8*10/Φ1.28 Φ7.5*22/Φ1.2 |
|
HPB02 |
2 |
4.5 |
80 |
120 |
-40~+120 |
2.4 |
2 |
0.15 |
Φ8*10/Φ1.28 Φ7.5*22/Φ1.2 |
|
HPB03 |
3 |
4 |
60 |
120 |
-40~+120 |
3.6 |
2 |
0.15 |
Φ8*10/Φ1.28 Φ7.5*22/Φ1.2 |
|
HPB04 |
4 |
3.5 |
60 |
120 |
-40~+120 |
4.8 |
2 |
0.15 |
Φ8*10/Φ1.28 Φ7.5*22/Φ1.2 |
|
HPB05 |
5 |
3 |
60 |
120 |
-40~+120 |
6.0 |
2 |
0.15 |
Φ8*10/Φ1.28 Φ7.5*22/Φ1.2 |
|
HPB06 |
6 |
2.5 |
50 |
120 |
-40~+120 |
7.2 |
2 |
0.15 |
Φ8*10/Φ1.28 Φ7.5*22/Φ1.2 |
|
HPB08 |
8 |
2 |
50 |
120 |
-40~+120 |
9.6 |
2 |
0.15 |
Φ8*10/Φ1.28 Φ7.5*22/Φ1.2 |
|
HPB10 |
10 |
1.5 |
50 |
120 |
-40~+120 |
12 |
2 |
0.15 |
Φ8*10/Φ1.28 Φ7.5*22/Φ1.2 |
Technical Advantages
High Voltage With Compact Size
The 2CLG1-20 integrates multiple miniature PN junctions internally, enabling very high voltage resistance within a compact epoxy package. This structure improves insulation performance while maintaining stable electrical behavior.
Fast Recovery Performance
Unlike standard microwave rectifier diodes optimized for 50/60Hz operation, the 2CLG1-20 supports high-frequency switching applications and voltage multiplier circuits. Fast recovery characteristics reduce switching losses and improve rectification efficiency. Community engineering discussions also note the importance of fast-recovery HV diodes in high-frequency multiplier systems.
Low Leakage Current
With reverse leakage current as low as 5μA, the diode minimizes energy loss in high-voltage systems and improves long-term stability in precision HV circuits.
Excellent Surge Capability
The 30A surge current capability provides reliable protection during startup transients and pulse operation, helping extend system lifespan in demanding industrial applications.
Typical Applications
High Voltage Power Supplies
Used in:
* DC high-voltage generators
* High-voltage rectification modules
* HV capacitor charging systems
* Industrial power converters
Voltage Multiplier Circuits
Ideal for:
* Cockcroft-Walton multipliers
* Marx generators
* Electrostatic generators
* Negative ion generators
Medical & Scientific Equipment
Suitable for:
* X-ray power supplies
* Laser equipment
* Electrostatic spraying systems
* High-voltage testing instruments
Industrial High Voltage Systems
Widely used in:
* Electrostatic precipitators
* Plasma equipment
* HV pulse circuits
* Ignition systems
Why Choose 2CLG1-20?
Reliable High Voltage Operation
Designed specifically for long-term operation under extreme voltage conditions.
Fast recovery and lower leakage improve performance in high-frequency applications.
Vacuum epoxy molding provides strong moisture resistance, corrosion resistance, and electrical insulation.
High Efficiency
Low leakage and optimized forward characteristics help reduce system power losses.
Packaging & Mechanical Structure
* Axial lead package
* Epoxy resin encapsulation
* Compact cylindrical body
* High insulation distance
* Easy PCB or air wiring installation
Frequently Asked Questions
Q: What is the maximum voltage of the 2CLG1-20?
A: The maximum repetitive reverse voltage is 20kV.
Q: Is the 2CLG1-20 suitable for high-frequency applications?
A: Yes. It is a fast recovery high-voltage rectifier specifically designed for high-frequency HV circuits and multiplier systems.
Q: Can this diode replace microwave oven diodes?
A: In many high-frequency HV applications, the 2CLG1-20 provides superior switching performance compared to standard microwave oven rectifiers.
Q: What industries commonly use this diode?
A: Medical equipment, electrostatic systems, laser power supplies, high-voltage generators, industrial testing equipment, and scientific research devices.
Conclusion
The 2CLG1-20 high voltage diode combines 20kV reverse voltage capability, 1A forward current, fast recovery speed, and excellent reliability into a compact industrial-grade package. Its performance advantages make it an ideal solution for modern high-voltage rectification and multiplier applications requiring stable operation, low leakage, and high-frequency capability.
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