Overview
The MR751RL is a high-current lead-mounted rectifier produced by onsemi. This silicon rectifier is part of the MR750 series and is designed to offer high current capacity comparable to chassis-mounted rectifiers. It features a very high surge capacity and an insulated case, making it suitable for a variety of power rectification applications. The MR751RL is available in Pb-free packages, aligning with modern environmental standards.
Key Specifications
| Characteristic | Symbol | MR751RL | Unit |
|---|---|---|---|
| Peak Repetitive Reverse Voltage | VRRM | 100 | V |
| Non-Repetitive Peak Reverse Voltage (Halfwave, single phase, 60 Hz peak) | VRSM | 120 | V |
| RMS Reverse Voltage | VR(RMS) | 70 | V |
| Average Rectified Forward Current (Single phase, resistive load, 60 Hz) | IO | 6.0 (TA = 60°C, P.C. Board mounting) | A |
| Non-Repetitive Peak Surge Current (Surge applied at rated load conditions) | IFSM | 400 (for 1 cycle) | A |
| Maximum Instantaneous Forward Voltage Drop (iF = 100 A, TJ = 25°C) | vF | 1.25 | V |
| Maximum Forward Voltage Drop (IF = 6.0 A, TA = 25°C, 3/8 in leads) | VF | 0.90 | V |
| Maximum Reverse Current (TJ = 25°C, Rated DC Voltage) | IR | 25 µA @ 100V | µA |
| Operating and Storage Junction Temperature Range | TJ, Tstg | -65 to +175 | °C |
| Mounting Type | Through Hole | ||
| Package / Case | Button, Axial |
Key Features
- High current capacity comparable to chassis-mounted rectifiers.
- Very high surge capacity.
- Insulated case.
- Pb-free packages available.
- Corrosion-resistant external surfaces and readily solderable terminal leads.
- Lead temperature for soldering purposes: 260°C Max. for 10 seconds.
Applications
The MR751RL is suitable for various power rectification applications, including:
- Power supplies and DC power systems.
- Industrial control systems.
- Automotive systems.
- High-current rectification in electronic devices.
Q & A
- What is the peak repetitive reverse voltage of the MR751RL?
The peak repetitive reverse voltage (VRRM) of the MR751RL is 100 V.
- What is the average rectified forward current of the MR751RL?
The average rectified forward current (IO) of the MR751RL is 6.0 A at an ambient temperature (TA) of 60°C with PC board mounting.
- What is the maximum instantaneous forward voltage drop of the MR751RL?
The maximum instantaneous forward voltage drop (vF) of the MR751RL is 1.25 V at an instantaneous forward current (iF) of 100 A and a junction temperature (TJ) of 25°C.
- What is the operating junction temperature range of the MR751RL?
The operating and storage junction temperature range (TJ, Tstg) of the MR751RL is -65 to +175°C.
- Is the MR751RL available in Pb-free packages?
- What is the mounting type of the MR751RL?
The MR751RL has a through-hole mounting type.
- What is the package type of the MR751RL?
The MR751RL comes in a button, axial package.
- What is the maximum reverse current of the MR751RL?
The maximum reverse current (IR) of the MR751RL is 25 µA at a rated DC voltage and a junction temperature of 25°C.
- What is the non-repetitive peak surge current of the MR751RL?
The non-repetitive peak surge current (IFSM) of the MR751RL is 400 A for a single cycle.
- What are the typical applications of the MR751RL?
The MR751RL is typically used in power supplies, industrial control systems, automotive systems, and other high-current rectification applications.
