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SKRa 86/18 UNF Avalanche Diode 1800V, 85A
The SKRa 86/18 avalanche diode is an anode to stud device suitable for DC power supplies, field coil supply for DC motors and series connections for high voltage applications.
- Avalanche type reverse characteristic up to 2000V
- Hermetic metal case with glass insulator
- Threaded stud ISO M8 – or 1/4″ 28 UNF 2A
- SKN: anode to stud and SKR: cathode to stud
Product Details
General purpose avalanche rectifier diodes featuring controlled avalanche reverse voltage characteristics.
Approvals
RoHS Compliant
Typical Applications
- DC supply for magnets or solenoids (brakes, valves etc.)
- Field coil supply for DC motors
- Series connections for high voltage applications like dust precipitators
Refer to manufacturer’s datasheet for full technical information.
| Manufacturer | |
|---|---|
| Applications | DC Supply for Magnets or Solenoids, Field coil supply for DC Motors, Series connections for high voltage applications |
| Maximum Repetitive Reverse Voltage (VRRM) | 1800V |
| Housing | Stud Screw Fit Diodes |
| Package/Case | E10 |
| RMS Forward Current (IFRMS) | 185A |
| Maximum Peak Surge Current (IFSM) | 1500A |
| Maximum Surge Reverse Power Dissipation (PRSM) | 20 kW |
| Operating Junction Temperature (TJ) | -40 to +180°C |
| Maximum Non-Repetitive Reverse Voltage (VRSM) | 1800V |
| Value for Fusing (I2t) | 11250 A2s |
| Maximum Forward Voltage Drop (VF) | 1.3V |
| Product Type | Avalanche Diode |
| Maximum Reverse Current, Drain Current (IR) | 10mA |
| Thermal Resistance Junction to Case (RthJC) | 0.4 K/W |
| Thermal Resistance Case to Heatsink (Rthc-s) | 0.2 K/W |
| Breakdown Voltage V(BR) Min | 1800V |
| Compliance | RoHS Compliant |
Semikron Danfoss is a leading manufacturer of semiconductor components, including power modules and systems. Based in Germany, Semikron Danfoss specialises in discrete semiconductors, transistors, diodes, thyristors, IGBTs, MOSFETs and thyristor diode modules. Semikron’s state-of-the-art semiconductor range enables customers to develop smaller, more energy efficient power electronic systems, reducing global energy demand.
Typical applications include power supplies, renewable energies (wind and solar power) and electric vehicles (private cars, vans, buses, lorries, forklift trucks, and more).
Semikron
Semikron Danfoss is a leading global semiconductor manufacturer and focuses on new markets such as renewable energy and hybrid vehicles as well as industrial applications such as electric drives, welding machines, lifts, power supplies, pumps, conveyor belts, trains and trams.
Learn more about Semikron Danfoss products by getting in touch with GD Rectifiers.
Datasheet
SEMIKRON SKRa 86-18 Datasheet.pdf
Product Catalogues
Semikron Product Catalogue 2021/2022
Semikron Product Catalogue 2019
Semikron Semiconductors Application Manual
Product Flyers
Semikron Discrete Semiconductors Flyer
Semikron Power Electronics for Vehicles Flyer
Semikron Wind Operation & Maintenance Flyer
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Our specialist products, components and designs can be found in a wide range of applications around the world. We also partner with customers to design custom components and devices to suit their requirements.
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