CL01 Series 9–15kV 350mA Standard Recovery High Voltage Diode for Industrial High Voltage Applications
The series provides 9kV, 12kV, and 15kV repetitive peak reverse voltage (VRRM) options with a rated average forward current of 350mA and a surge forward current capability of up to 30A.
With a maximum junction temperature of 130°C and an operating temperature range of -40°C to +130°C, CL01 Series diodes provide stable rectification performance in demanding industrial environments.
Multiple package dimensions are available, including Ø7.5 × 22mm, Ø5 × 9mm, and Ø4.5 × 15mm, making the series suitable for different high-voltage circuit layouts and installation requirements.
Quick Answer
CL01 Series is a 9–15kV, 350mA standard-recovery high voltage rectifier diode family designed for industrial high-voltage power supplies, microwave equipment, electrostatic precipitators, capacitor charging circuits, and other high-voltage rectification applications. The series features up to 15kV repetitive peak reverse voltage, 30A surge forward current, maximum 5μA reverse leakage current, and an operating temperature range of -40°C to +130°C.
Key Features
* High repetitive peak reverse voltage: 9kV to 15kV
* Average forward current: 350mA
* High surge forward current: 30A
* Standard recovery high voltage rectifier diode
* Low reverse leakage current: max. 5μA
* Maximum junction temperature: 130°C
* Operating temperature range: -40°C to +130°C
* High voltage insulation and reliable rectification performance
* Multiple package dimensions available
* Suitable for industrial and commercial high-voltage electronic equipment
* Custom specifications and electrical characteristics available for OEM/ODM projects
Electrical Characteristics
|
Type |
Rated Values |
Temp. Condition |
Electrical Characteristics |
Dimension |
||||||
|
VRRM |
IF(AV) |
IFSM |
IRSM |
Tj |
Tstg |
VF |
IR1 |
Trr |
Φbody*L, Φlead |
|
|
[IF=IF(AV] |
[VR=VRRM] |
|||||||||
|
KV |
mA |
A |
A |
℃ |
℃ |
V |
μA |
μS |
mm |
|
|
CL01-09 |
9 |
350 |
30 |
-- |
130 |
-40~+130 |
10 |
5 |
-- |
Φ7.5*22/Φ1.2 |
|
CL01-12 |
12 |
350 |
30 |
-- |
130 |
-40~+130 |
12 |
5 |
-- |
Φ7.5*22/Φ1.2 |
|
CL01-15 |
15 |
350 |
30 |
-- |
130 |
-40~+130 |
13 |
5 |
-- |
Φ7.5*22/Φ1.2 |
|
CL01-12A |
12 |
350 |
30 |
0.1 |
130 |
-40~+130 |
12 |
5 |
-- |
Φ7.5*22/Φ1.2 |
|
CL01-12D |
12 |
350 |
30 |
-- |
130 |
-40~+130 |
12 |
5 |
-- |
Φ5*9//Φ1.2 |
|
CL01-12C |
12 |
350 |
30 |
-- |
130 |
-40~+130 |
12 |
5 |
-- |
Φ4.5*15//Φ1.0 |
Test conditions: Ta = 25°C. Electrical characteristics shown are maximum values unless otherwise specified.
Model Selection Guide
|
CL01-09 – 9kV 350mA High Voltage Diode The CL01-09 is the 9kV version of the CL01 Series and is designed for high-voltage rectification circuits requiring a 9kV repetitive peak reverse voltage. Key specifications: * VRRM: 9kV * IF(AV): 350mA * IFSM: 30A * VF: ≤10V * IR: ≤5μA * Tj: 130°C * Operating temperature: -40°C to +130°C |
CL01-12 – 12kV 350mA High Voltage Diode The CL01-12 is a 12kV, 350mA standard-recovery high voltage rectifier diode designed for industrial high-voltage power supplies and rectifier circuits. Key specifications: * VRRM: 12kV * IF(AV): 350mA * IFSM: 30A * VF: ≤12V * IR: ≤5μA * Tj: 130°C * Operating temperature: -40°C to +130°C |
CL01-15 – 15kV 350mA High Voltage Diode The CL01-15 provides a maximum repetitive reverse voltage rating of 15kV, making it suitable for high-voltage rectification applications requiring additional voltage margin. Key specifications: * VRRM: 15kV * IF(AV): 350mA * IFSM: 30A * VF: ≤13V * IR: ≤5μA * Tj: 130°C * Operating temperature: -40°C to +130°C |
|
CL01-12A – 12kV 350mA High Voltage Diode The CL01-12A is a 12kV/350mA high voltage rectifier diode variant with an IRSM rating of 0.1A according to the supplied specification table. Key specifications: * VRRM: 12kV * IF(AV): 350mA * IFSM: 30A * IRSM: 0.1A * VF: ≤12V * IR: ≤5μA * Tj: 130°C * Operating temperature: -40°C to +130°C |
CL01-12D – Compact 12kV 350mA High Voltage Diode The CL01-12D uses a more compact body dimension of approximately Ø5 × 9mm, providing a solution for high-voltage rectifier circuits where PCB or assembly space is limited. Key specifications: * VRRM: 12kV * IF(AV): 350mA * IFSM: 30A * VF: ≤12V * IR: ≤5μA * Tj: 130°C * Operating temperature: -40°C to +130°C * Body: Ø5 × 9mm * Lead diameter: Ø1.2mm |
CL01-12C – Compact 12kV 350mA High Voltage Diode The CL01-12C features the smallest body dimension in this CL01 product group, approximately Ø4.5 × 15mm, for compact high-voltage rectification designs. Key specifications: * VRRM: 12kV * IF(AV): 350mA * IFSM: 30A * VF: ≤12V * IR: ≤5μA * Tj: 130°C * Operating temperature: -40°C to +130°C * Body: Ø4.5 × 15mm * Lead diameter: Ø1.0mm |
Why Choose the CL01 Series?
High Voltage Rectification
With voltage ratings from 9kV to 15kV, the CL01 Series is designed for high-voltage AC/DC rectification and high-voltage DC power circuits.
350mA Continuous Forward Current
The series supports an average forward current rating of 350mA, making it suitable for medium-power high-voltage rectifier circuits.
High Surge Capability
The 30A surge forward current rating (IFSM) provides additional robustness against short-duration current surges during circuit startup or transient operating conditions.
Low Reverse Leakage
The maximum reverse leakage current is specified at 5μA, helping reduce unwanted current flow in high-voltage reverse-biased circuits.
Wide Temperature Range
The CL01 Series is specified for operation from -40°C to +130°C, supporting applications exposed to elevated temperatures and industrial operating conditions.
Multiple Mechanical Options
The series is available in different body sizes, allowing engineers to select a suitable component according to installation space, insulation distance, lead configuration, and circuit design.
Typical Applications
The CL01 Series high voltage rectifier diodes can be used in a wide range of high-voltage electronic systems, including:
High Voltage Power Supplies
Used for AC-to-DC rectification and high-voltage DC generation in industrial power supplies.
Microwave and RF Equipment
Suitable for high-voltage rectification circuits in microwave systems, RF equipment, and related high-frequency industrial equipment.
Electrostatic Precipitators
Used in high-voltage rectifier sections of electrostatic dust collection and air purification equipment.
Electrostatic Equipment
Suitable for high-voltage generation and rectification circuits used in electrostatic processing equipment.
High Voltage Charging Systems
Applicable to capacitor charging circuits, high-voltage energy storage systems, and pulsed high-voltage power supplies.
Industrial High Voltage Equipment
Suitable for high-voltage control, rectification, testing, instrumentation, and industrial electronic equipment.
High Voltage Transformers and Rectifier Circuits
Can be used on the secondary side of high-voltage transformers where high reverse-voltage capability is required.
Standard Recovery vs. Fast Recovery
The CL01 Series is a standard-recovery high voltage diode intended primarily for rectification applications where high reverse-voltage capability, current handling, surge capability, and reliability are more important than ultra-fast switching.
For applications requiring high-frequency switching or very short reverse recovery time, a dedicated fast-recovery high voltage diode or SiC Schottky diode may be more appropriate.
This makes the CL01 Series particularly suitable for conventional high-voltage rectification, industrial power supplies, electrostatic systems, microwave equipment, and other applications where standard recovery characteristics are acceptable.
Mechanical Options
The CL01 Series is offered in multiple mechanical configurations:
|
Standard body: * Ø7.5 × 22mm * Lead diameter: Ø1.2mm
|
Compact body – CL01-12D: * Ø5 × 9mm * Lead diameter: Ø1.2mm
|
Compact body – CL01-12C: * Ø4.5 × 15mm * Lead diameter: Ø1.0mm |
Different dimensions allow customers to optimize high-voltage creepage, clearance, assembly space, and mechanical integration.
Custom High Voltage Diode Solutions
For OEM and industrial applications, high voltage diode specifications can be customized according to project requirements.
Customization may include:
* Reverse voltage rating
* Forward current
* Surge current capability
* Package dimensions
* Lead diameter and lead length
* Electrical characteristics
* Mechanical configuration
* Marking and labeling
* Packaging
* OEM/ODM production
If your application requires a specific high voltage diode voltage rating, current rating, body size, or lead configuration, contact our engineering team for component selection and customized solutions.
Frequently Asked Questions
Q: What is the CL01 Series high voltage diode?
A: The CL01 Series is a family of standard-recovery high voltage rectifier diodes designed for industrial high-voltage rectification applications. The series covers 9kV to 15kV VRRM and provides a 350mA average forward current rating.
Q: What is the maximum voltage of the CL01 Series?
A: The highest voltage model shown in this series is CL01-15, with a repetitive peak reverse voltage rating of 15kV.
Q: What is the current rating of the CL01 Series?
A: The CL01 Series has an average forward current rating of 350mA (IF(AV)). The specified surge forward current capability is 30A (IFSM).
Q: What is the difference between CL01-09, CL01-12 and CL01-15?
A: The primary difference is the repetitive peak reverse voltage rating:
* CL01-09: 9kV
* CL01-12: 12kV
* CL01-15: 15kV
All three models are rated at 350mA average forward current.
Q: What is the operating temperature range?
A: The specified operating temperature range is -40°C to +130°C, with a maximum junction temperature of 130°C.
Q: Is CL01 a fast recovery diode?
A: No. The CL01 Series is specified as a standard-recovery high voltage diode. It is intended for high-voltage rectification rather than ultra-high-speed switching.
Q: What is the reverse leakage current?
A: The maximum reverse leakage current specified in the supplied table is 5μA at VR = VRRM and Ta = 25°C.
Q: Which CL01 diode should I choose?
A: Select the model according to the required reverse voltage, current, mechanical dimensions, and circuit requirements. For example, use CL01-09 for 9kV applications, CL01-12 for 12kV applications, and CL01-15 where a 15kV rating is required.
For compact installations, CL01-12D and CL01-12C provide smaller body dimensions.
Q: Can the CL01 Series be customized?
A: Yes. OEM/ODM customization can be discussed for electrical ratings, dimensions, leads, marking, packaging, and other project-specific requirements.
Product Specifications at a Glance
|
Parameter |
CL01 Series |
|
Product Type |
Standard Recovery High Voltage Rectifier Diode |
|
VRRM |
9kV / 12kV / 15kV |
|
IF(AV) |
350mA |
|
IFSM |
30A |
|
Maximum Junction Temperature |
130°C |
|
Operating Temperature |
-40°C to +130°C |
|
Maximum Reverse Leakage |
5μA |
|
Recovery Type |
Standard Recovery |
|
Available Body Sizes |
Ø7.5×22mm / Ø5×9mm / Ø4.5×15mm |
|
Applications |
HV Power Supplies, Microwave, RF, Electrostatic, Industrial Equipment |
CTA
Need a 9kV, 12kV or 15kV High Voltage Diode?
Tell us your required voltage, forward current, package size, operating temperature and application. Our engineering team can recommend the appropriate CL01 Series model or develop a customized high voltage rectifier solution for your project.
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