Stud Mount Diode Rectifier 25A–85A 1200V | HF & HFR Series
Stud Mount Diode Rectifier 25A–85A 1200V | HF & HFR Series
Stud Mount Diode Rectifier – 25A to 85A, 1200V
This high-quality stud mount diode rectifier delivers reliable power conversion across a wide current range — available in 25A, 40A, 50A, 70A, and 85A ratings, all at 1200V. Whether you're working with battery charging systems, welding machines, motor controls, or industrial power supplies, this rectifier diode provides the durability and electrical performance your application demands.
Available in both positive (stud anode) and negative (stud cathode) configurations, it covers the full HF and HFR series to suit virtually any circuit design. Each unit is brand new and built from high-grade materials for long-lasting performance.
Key Features
- Wide Current Range: Choose from 25A, 40A, 50A, 70A, or 85A to match your exact requirements
- High Voltage Rating: 1200V for demanding industrial and commercial applications
- High Surge Current Capability: Handles transient surges without failure
- Dual Polarity Options: Stud cathode (positive) and stud anode (negative) versions available
- Easy Installation: Stud mount design for secure, quick fitting
- Versatile Applications: Battery charging, converters, power supplies, welding machines, motor controls, machine tool controls
Specifications
| Product Type | Rectifier Diode |
|---|---|
| Voltage Rating | 1200V |
| Current Options | 25A, 40A, 50A, 70A, 85A |
| Polarity | Positive Pole (HF) / Negative Pole (HFR) |
| Mount Type | Stud Mount |
Available Models
Positive Electrode:
25HF120 – 1200V 25A | 40HF120 – 1200V 40A | 50HF120 – 1200V 50A | 70HF120 – 1200V 70A | 85HF120 – 1200V 85A
Negative Electrode:
25HFR120 – 1200V 25A | 40HFR120 – 1200V 40A | 50HFR120 – 1200V 50A | 70HFR120 – 1200V 70A | 85HFR120 – 1200V 85A
Package Contents
- 1 × Stud Mount Diode Rectifier (model of your choice)
Made in Mainland China.
Related Products You May Need
- 50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool
- 3-Wire 180° Washing Machine Timer Switch | Semi-Automatic
- Molex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: What is the difference between the HF and HFR series rectifier diodes?
A: The HF series (e.g. 25HF120, 50HF120) are positive pole (stud cathode) diodes, while the HFR series (e.g. 25HFR120, 50HFR120) are negative pole (stud anode) diodes. Choosing the correct polarity is essential for your circuit to function properly — select HF for positive stud applications and HFR for negative stud applications.
Q: What applications are these stud mount diode rectifiers suitable for?
A: These 1200V rectifier diodes are designed for a broad range of industrial and commercial uses, including battery charging systems, AC-to-DC converters, power supplies, welding machines, motor controls, and machine tool control panels. Their wide current range (25A–85A) makes them flexible components for many power electronics projects.
Q: How do I install a stud mount diode rectifier?
A: The stud mount design allows the diode to be bolted directly onto a heatsink or chassis for both mechanical support and thermal dissipation. Ensure the mounting surface is clean and flat, apply thermal compound if required by your thermal design, and torque the stud to the manufacturer's recommended specification. Always verify polarity before powering the circuit.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.