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2CL73A
Diotec Semiconductor
HV DIODE D2.5X12 12000V 80NS
217190 Pcs New Original In Stock
Diode 12000 V 5mA Through Hole Axial
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5.0 / 5.0
- (36 Ratings)
2CL73A
Product Overview
12943979
DiGi Electronics Part Number
2CL73A-DGManufacturer
Diotec Semiconductor
2CL73A
Description
HV DIODE D2.5X12 12000V 80NSInventory
217190 Pcs New Original In Stock
Diode 12000 V 5mA Through Hole Axial
Quantity
Minimum 1
Minimum 1
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2CL73A Technical Specifications
Category
Diodes, Rectifiers, Single Diodes
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Technology
Standard
Voltage - DC Reverse (Vr) (Max)
12000 V
Current - Average Rectified (Io)
5mA
Voltage - Forward (Vf) (Max) @ If
45 V @ 10 mA
Speed
Small Signal =< 200mA (Io), Any Speed
Reverse Recovery Time (trr)
80 ns
Current - Reverse Leakage @ Vr
2 µA @ 12000 V
Capacitance @ Vr, F
-
Mounting Type
Through Hole
Package / Case
Axial
Supplier Device Package
Axial
Operating Temperature - Junction
-40°C ~ 120°C
Datasheet & Documents
Datasheets
Download 2CL73A Product Specification (PDF)
HTML Datasheet
2CL73A-DG
Environmental & Export Classification
RoHS Status
Not applicable
Moisture Sensitivity Level (MSL)
Not Applicable
REACH Status
Vendor Undefined
ECCN
EAR99
HTSUS
8541.10.0000
Additional Information
Other Names
2796-2CL73ATR
Standard Package
6,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
The support team provided comprehensive assistance after my purchase, which I truly appreciated.
Dec 02, 2025
We appreciate their willingness to go the extra mile, such as providing technical documentation rapidly after purchase.
Dec 02, 2025
I appreciate the detailed FAQs and live chat options that made resolving issues effortless.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the 2CL73A in a high-voltage power supply circuit operating near 12kV?
When integrating the 2CL73A into a high-voltage power supply near its 12,000 V DC reverse rating, the primary risk is voltage transients or surges exceeding the Vr(max), which can lead to avalanche breakdown or long-term reliability degradation. Ensure derating by at least 20% (i.e., operate below 9.6 kV) in noisy environments. Additionally, verify PCB creepage and clearance distances—use insulation grading and conformal coating to prevent arcing, especially in humid conditions. The 2 µA leakage at 12 kV indicates acceptable insulation, but monitoring temperature rise due to leakage power dissipation is advised in enclosed systems.
Can the 2CL73A safely replace the MDA12000 in an axial through-hole high-speed rectification application with 80ns recovery requirements?
Yes, the 2CL73A is a viable drop-in replacement for the MDA12000 in high-speed applications requiring 80ns reverse recovery time, as both diodes match closely in trr, Vr (12,000 V), and Io (5mA). However, verify forward voltage performance—the 2CL73A has a max Vf of 45 V @ 10 mA, which is higher than some competitors. This increased Vf may lead to greater conduction losses in repetitive cycling applications. Ensure thermal management if used in continuous pulse environments, as the 2CL73A lacks a heatsink path in axial mounting.
How does junction temperature affect leakage current and reliability when using the 2CL73A in industrial environments up to 105°C?
The 2CL73A is rated for a junction temperature up to 120°C, but elevated ambient temperatures—especially above 85°C—can significantly increase reverse leakage current beyond the 2 µA @ 12 kV specification due to thermally generated carriers. In high-temperature industrial settings, this increased leakage may contribute to thermal runaway in stacked or parallel configurations. Mitigate risk by improving airflow, minimizing power density, or implementing temperature derating. Avoid prolonged exposure near the upper limit to preserve long-term reliability and prevent premature aging of the PN junction.
What are the practical limitations of using the 2CL73A in repetitive pulse rectification versus continuous DC applications?
The 2CL73A is optimized for low-average-current applications (5mA Io), making it suitable for occasional pulse rectification but risky in high-duty-cycle pulse scenarios. While its 80ns trr supports fast switching, the 5mA average current rating limits sustained pulse repetition. Exceeding average current even intermittently can overheat the small axial package due to limited thermal dissipation. For pulse applications, calculate RMS current and verify it stays within thermal limits. Consider forced cooling or pulse stretching if duty cycle exceeds 10-15% to prevent junction overheating.
How does the 2CL73A compare to the STTH1R06 in selection scenarios requiring high-voltage rectification with low leakage?
The 2CL73A and STTH1R06 both serve high-voltage rectification, but differ significantly in performance trade-offs. The 2CL73A offers superior reverse voltage (12,000 V vs. 600 V) and ultra-low leakage (2 µA @ 12 kV), making it ideal for premium HV applications like laser drivers or photomultiplier tubes. In contrast, the STTH1R06 has much higher average current (1A) and faster trr (<50ns), but cannot operate above 600 V. Choose the 2CL73A when voltage and leakage are critical, but avoid it in high-current or low-voltage fast-switching roles where the STTH1R06 excels.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
2CL73A CAD Models
Diotec Semiconductor 2CL73A PCB symbols & footprints
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