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Vishay Avalanche Diode 800V 1A SMF (DO-219AB), Fast Switching, AR1FKHM3/H
Specifications
| Country of Origin | India |
|---|---|
| Brand | Vishay |
| Model | AR1FKHM3/H |
| Mount Type | Surface |
| Series | AR1FK |
| Maximum Operating Temperature | 175°C |
| Package Type | SMF (DO-219AB) |
| Minimum Operating Temperature | -55°C |
| Standards/Approvals | RoHS |
| Pin Count | 2 |
| Automotive Standard | AEC-Q101 |
| Maximum Continuous Forward Current If | 1A |
| Peak Reverse Repetitive Voltage Vrrm | 800V |
| Diode Configuration | Single |
| Rectifier Type | Avalanche |
| Peak Reverse Current Ir | 100μA |
| Peak Non-Repetitive Forward Surge Current Ifsm | 25A |
| Maximum Forward Voltage Vf | 1.6V |
| Peak Reverse Recovery Time trr | 120ns |
Key Features
- Enables efficient rectification in power supply and inverter circuits.
- Surface mount SMF (DO-219AB) package supports automated placement.
- Fast switching capability ideal for high frequency applications.
- Low reverse current design enhances reliability and efficiency.
- AEC-Q101 automotive standard certified for demanding electronic environments.
- Operates reliably across -55°C to 175°C temperature range.
- Peak reverse repetitive voltage up to 800V with continuous forward current 1A.
- Ideal for freewheeling and converter diode usage in industrial systems.
Product Description
Vishay AR1FKHM3/H is a high-performance avalanche diode, engineered for rapid rectification in modern power supply, inverter, and converter circuits. This surface mount device features a robust SMF (DO-219AB) package, making it ideal for automated placement on PCBs in industrial or automotive settings.
The diode supports a peak reverse repetitive voltage of 800V and delivers a continuous forward current of 1A, making it suitable for demanding environments where reliability and efficiency are paramount. Its glass-passivated pellet chip junction enables fast switching speeds (120ns reverse recovery time), crucial for high-frequency operations in advanced electronic designs.
This product’s configuration ensures a low reverse current of just 100μA, contributing to reduced energy loss and improved long-term performance. Engineers benefit from the device’s automotive-standard certification, meeting AEC-Q101 requirements for harsh environments or automotive systems.
Efficient rectification and reverse avalanche protection for power supplies and converters. Surface mount form factor maximizes board space and supports high-speed assembly. Glass-passivated structure enhances reliability under thermal and electrical stress.
Wide operational temperature range (-55°C to 175°C) delivers stability for industrial and automotive applications. RoHS compliant to ensure environmentally friendly manufacturing and deployment. Peak non-repetitive forward surge current of 25A to handle transient loads.
The Vishay AR1FKHM3/H avalanche diode is commonly used in freewheeling diodes for motor drives, inverter circuits, and high-frequency switching designs seen in manufacturing, industrial automation, and commercial power systems. It is also suitable for laboratory setups and demanding electronic conditions requiring resilience and safety.
Browse the EnvMart semiconductor and Diode catalog for more Vishay avalanche, rectifier, and power supply solutions to suit various industrial, automotive, and laboratory requirements.
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Frequently Asked Questions
The Vishay AR1FKHM3/H avalanche diode supports a peak reverse repetitive voltage of 800V.
This diode has a maximum continuous forward current rating of 1A.
It operates reliably across a temperature range of -55°C to 175°C.
The diode comes in a surface mount SMF (DO-219AB) package type.
The peak reverse recovery time for this model is 120ns, making it suitable for high-frequency applications.
Yes, it is certified to meet AEC-Q101 automotive standards, ensuring reliability in demanding environments.
The peak non-repetitive forward surge current rating for this diode is 25A.
This avalanche diode has a peak reverse current of 100μA, which contributes to its efficiency.
It is classified as an avalanche rectifier, designed for efficient rectification in power supply circuits.
Yes, the Vishay AR1FKHM3/H is RoHS compliant, ensuring environmentally friendly manufacturing.
This model is commonly used in freewheeling diodes for motor drives, inverter circuits, and high-frequency switching designs.
This avalanche diode features a pin count of 2.
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