Overview
The MR751RLG is a high-current lead-mounted rectifier from ON Semiconductor, part of the MR750 series. This device is designed to offer high current capacity comparable to chassis-mounted rectifiers, making it suitable for various high-power applications. The MR751RLG features an insulated case and is available in Pb-free packages, aligning with modern environmental standards.
This rectifier is characterized by its very high surge capacity, corrosion-resistant external surfaces, and readily solderable terminal leads. It is an ideal choice for applications requiring robust and reliable rectification.
Key Specifications
| Characteristic | Symbol | MR751RLG | 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 | 22 (TL = 60°C, 1/8 in Lead Lengths) 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 |
| Operating and Storage Junction Temperature Range | TJ, Tstg | -65 to +175 | °C |
| 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) | IR | 25 μA | μA |
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.
- Operating and storage junction temperature range: -65 to +175°C.
Applications
The MR751RLG is suitable for a variety of high-power applications, including:
- Power supplies and rectifier circuits.
- High-current DC power systems.
- Industrial control systems.
- Automotive and transportation systems.
- Telecommunications equipment.
Q & A
- What is the peak repetitive reverse voltage of the MR751RLG?
The peak repetitive reverse voltage (VRRM) of the MR751RLG is 100 V.
- What is the maximum non-repetitive peak surge current for the MR751RLG?
The maximum non-repetitive peak surge current (IFSM) for the MR751RLG is 400 A for 1 cycle.
- What is the operating junction temperature range for the MR751RLG?
The operating and storage junction temperature range for the MR751RLG is -65 to +175°C.
- Is the MR751RLG available in Pb-free packages?
- What is the maximum instantaneous forward voltage drop for the MR751RLG at 100 A and 25°C?
The maximum instantaneous forward voltage drop (vF) at 100 A and 25°C is 1.25 V.
- What is the average rectified forward current for the MR751RLG under different mounting conditions?
The average rectified forward current (IO) is 22 A at TL = 60°C with 1/8 in lead lengths, and 6.0 A at TA = 60°C with P.C. board mounting.
- What is the maximum reverse current for the MR751RLG at 25°C?
The maximum reverse current (IR) at 25°C is 25 μA.
- How should the MR751RLG be soldered?
The lead temperature for soldering purposes should not exceed 260°C for 10 seconds.
- What are the typical applications for the MR751RLG?
The MR751RLG is typically used in power supplies, high-current DC power systems, industrial control systems, automotive and transportation systems, and telecommunications equipment.
- Is the MR751RLG corrosion-resistant?
