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2CL71A High Voltage Rectifier Diode Equivalent & Substitute Parts
Part Overview
The 2CL71A is an active high voltage rectifier diode manufactured by Diotec Semiconductor, designed for through-hole axial mounting applications. This component operates at 8000 V DC reverse voltage with a 5 mA average rectified current rating and 80 ns reverse recovery time. The diode is classified as a small signal rectifier suitable for high voltage applications requiring fast switching characteristics.
Substitute parts are identified to provide alternative sourcing options when the primary part number becomes unavailable or when inventory requirements necessitate alternative stock sources. Substitutes maintain identical electrical performance and mechanical compatibility within the specified parameter ranges.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - DC Reverse (Vr) (Max) | 8000 | V |
| Current - Average Rectified (Io) | 5 | mA |
| Voltage - Forward (Vf) (Max) @ If | 36 V @ 10 mA | V |
| Reverse Recovery Time (trr) | 80 | ns |
| Current - Reverse Leakage @ Vr | 2 | µA @ 8000 V |
| Mounting Type | Through Hole | - |
| Package / Case | Axial | - |
| Operating Temperature - Junction | -40 to 120 | °C |
| Technology | Standard | - |
| Speed Classification | Small Signal ≤ 200mA (Io), Any Speed | - |
Substitute Part Grouping Explanation
Substitute parts for the 2CL71A are identified based on strict electrical and mechanical parameter equivalence. The substitution criteria are established through the following key parameters:
Electrical Equivalence Parameters:
- Voltage - DC Reverse (Vr) (Max): 8000 V
- Current - Average Rectified (Io): 5 mA
- Voltage - Forward (Vf) (Max) @ If: 36 V @ 10 mA
- Reverse Recovery Time (trr): 80 ns
- Current - Reverse Leakage @ Vr: 2 µA @ 8000 V
Mechanical Compatibility Parameters:
- Mounting Type: Through Hole
- Package / Case: Axial
- Operating Temperature - Junction: -40°C to 120°C
The 2CL71 part number qualifies as a parametric equivalent substitute. Both components share identical electrical specifications across all critical parameters and maintain compatible through-hole axial packaging. The primary distinction between the main part and substitute relates to packaging format (standard packaging versus Tape & Reel), which does not affect electrical performance or mechanical fit in circuit applications.
Parameter Comparison
| Parameter | 2CL71A (Main Part) | 2CL71 (Substitute) | Match Status |
|---|---|---|---|
| Manufacturer | Diotec Semiconductor | Diotec Semiconductor | Identical |
| Category | Diodes, Rectifiers | Diodes, Rectifiers | Identical |
| Voltage - DC Reverse (Vr) (Max) | 8000 V | 8000 V | Identical |
| Current - Average Rectified (Io) | 5 mA | 5 mA | Identical |
| Voltage - Forward (Vf) (Max) @ If | 36 V @ 10 mA | 36 V @ 10 mA | Identical |
| Reverse Recovery Time (trr) | 80 ns | 80 ns | Identical |
| Current - Reverse Leakage @ Vr | 2 µA @ 8000 V | 2 µA @ 8000 V | Identical |
| Mounting Type | Through Hole | Through Hole | Identical |
| Package / Case | Axial | Axial | Identical |
| Operating Temperature - Junction | -40°C to 120°C | -40°C to 120°C | Identical |
| Technology | Standard | Standard | Identical |
| Speed Classification | Small Signal ≤ 200mA (Io), Any Speed | Small Signal ≤ 200mA (Io), Any Speed | Identical |
| Product Status | Active | Active | Identical |
| Supplier Device Package | Axial | Axial | Identical |
| HTSUS Code | 8541.10.0000 | 8541.10.0000 | Identical |
Engineering Selection Recommendations
Both the 2CL71A and 2CL71 are active products manufactured by Diotec Semiconductor with identical electrical and mechanical specifications. Selection between these parts is determined by packaging and supply chain requirements rather than performance characteristics.
2CL71A is suitable for applications requiring standard packaging formats with direct component sourcing.
2CL71 is suitable for applications requiring Tape & Reel packaging, which is standard for automated assembly processes and high-volume production environments.
Both components maintain identical compliance status with respect to RoHS applicability and HTSUS classification. The choice between these substitutes should be based on procurement specifications, assembly methodology, and inventory management practices specific to the application environment.
Frequently Asked Questions (FAQ)
Q: Can the 2CL71 substitute for the 2CL71A in circuit applications?
A: Yes. Both parts maintain identical electrical specifications including voltage rating (8000 V), current rating (5 mA), forward voltage (36 V @ 10 mA), reverse recovery time (80 ns), and reverse leakage current (2 µA @ 8000 V). Both use through-hole axial packaging with identical mechanical dimensions and mounting compatibility.
Q: What is the difference between 2CL71A and 2CL71?
A: The primary difference is packaging format. The 2CL71A uses standard packaging, while the 2CL71 is supplied in Tape & Reel format. This distinction affects procurement and assembly processes but does not impact electrical performance or circuit functionality.
Q: Are there any temperature operating range differences between these parts?
A: No. Both the 2CL71A and 2CL71 operate across the identical junction temperature range of -40°C to 120°C.
Q: Can these parts be used interchangeably in PCB assembly?
A: Yes, for through-hole assembly applications. Both components feature identical axial package geometry and electrical characteristics. The Tape & Reel format of the 2CL71 is compatible with automated through-hole insertion equipment, while the 2CL71A standard packaging is compatible with manual and semi-automated assembly processes.
Q: Do these diodes have different reverse recovery characteristics?
A: No. Both the 2CL71A and 2CL71 specify an 80 ns reverse recovery time, indicating identical switching speed performance in high voltage rectification applications.
Q: What is the significance of the 8000 V rating for these diodes?
A: The 8000 V DC reverse voltage rating indicates these are high voltage rectifier diodes suitable for applications requiring voltage blocking capability in the kilovolt range. This rating applies identically to both the 2CL71A and 2CL71.
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