Overview
The MR856 is a fast recovery power rectifier manufactured by ON Semiconductor. It is designed for various specialized applications, including DC power supplies, inverters, converters, ultrasonic systems, choppers, and free-wheeling diodes. This rectifier is known for its high efficiency at frequencies up to 250 kHz and a typical recovery time of 100 nanoseconds.
The MR856 is housed in an epoxy, molded case (DO-201AD) and is lead-free, complying with RoHS standards. It features corrosion-resistant external surfaces and readily solderable terminal leads. The device is available in different packaging options, including bulk and tape-and-reel configurations.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Repetitive Reverse Voltage (VRRM) | 600 | V |
| Working Peak Reverse Voltage (VRWM) | 600 | V |
| Non-Repetitive Peak Reverse Voltage (VRSM) | 650 | V |
| Average Forward Current (IF(AV)) | 3.0 | A |
| Forward Voltage (VF) at IF = 3.0 A | 1.25 | V |
| Reverse Recovery Time (trr) | 100 - 200 | ns |
| Reverse Recovery Current (IRM(REC)) | 2.0 | A |
| Lead Temperature for Soldering | 260°C Max. for 10 Seconds | °C |
| Package Type | DO-201AD (Axial Lead) | |
| Weight | Approximately 1.1 gram | g |
Key Features
- Fast recovery time of 100 nanoseconds, enabling high efficiency at frequencies up to 250 kHz.
- Peak repetitive reverse voltage of 600 V and non-repetitive peak reverse voltage of 650 V.
- Average forward current of 3.0 A.
- Forward voltage of 1.25 V at 3.0 A.
- Lead-free and RoHS compliant.
- Corrosion-resistant external surfaces and readily solderable terminal leads.
- Available in bulk and tape-and-reel packaging options.
Applications
- DC power supplies.
- Inverters and converters.
- Ultrasonic systems.
- Choppers.
- Free-wheeling diodes.
- Low RF interference applications.
Q & A
- What is the peak repetitive reverse voltage of the MR856 rectifier?
The peak repetitive reverse voltage (VRRM) of the MR856 is 600 V.
- What is the average forward current rating of the MR856?
The average forward current (IF(AV)) of the MR856 is 3.0 A.
- What is the typical recovery time of the MR856?
The typical recovery time (trr) of the MR856 is 100 nanoseconds.
- Is the MR856 lead-free and RoHS compliant?
Yes, the MR856 is lead-free and RoHS compliant.
- What are the common applications of the MR856 rectifier?
The MR856 is commonly used in DC power supplies, inverters, converters, ultrasonic systems, choppers, and free-wheeling diodes.
- What is the maximum lead temperature for soldering purposes?
The maximum lead temperature for soldering purposes is 260°C for 10 seconds.
- What is the package type of the MR856?
The MR856 is housed in a DO-201AD (axial lead) package.
- How much does the MR856 weigh?
The MR856 weighs approximately 1.1 gram.
- Are the external surfaces of the MR856 corrosion-resistant?
Yes, the external surfaces of the MR856 are corrosion-resistant.
- Can the terminal leads of the MR856 be soldered easily?
Yes, the terminal leads of the MR856 are readily solderable.
