Overview
The MRA4004T3 is a surface mount standard recovery power rectifier produced by onsemi. This component is part of the MRA4004T3 series and is designed for high-performance applications, particularly in automotive and other demanding environments. It features a compact SMA (Surface Mount Array) package with J-bend leads, making it ideal for automated handling and surface mounting. The device is constructed with a stable, high-temperature, glass-passivated junction, ensuring reliable operation under various conditions.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Peak Repetitive Reverse Voltage | VRRM | 400 | Volts |
| Working Peak Reverse Voltage | VRWM | 400 | Volts |
| DC Blocking Voltage | VR | 400 | Volts |
| Avg. Rectified Forward Current (At Rated VR, TL = 150°C) | IO | 1 | Ampere |
| Peak Repetitive Forward Current (At Rated VR, Square Wave, 20 kHz, TL = 150°C) | IFRM | 2 | Ampere |
| Non-Repetitive Peak Surge Current (Surge applied at rated load conditions, halfwave, single phase, 60 Hz) | IFSM | 30 | Ampere |
| Storage/Operating Case Temperature | Tstg, TC | −55 to 150 | °C |
| Operating Junction Temperature | TJ | −55 to 175 | °C |
| Maximum Instantaneous Forward Voltage (IF = 1 A) | VF | 1.1 | Volts |
| Maximum Instantaneous Reverse Current (at rated DC voltage) | IR | 10 | µA |
| Thermal Resistance, Junction-to-Lead | RθJL | 16.2 | °C/W |
| Thermal Resistance, Junction-to-Ambient | RθJA | 88.3 | °C/W |
Key Features
- Compact SMA package with J-bend leads, ideal for automated handling and surface mounting.
- Stable, high-temperature, glass-passivated junction for reliable operation.
- Molded epoxy case that meets UL 94 V-0 at 0.125 inches.
- Corrosion-resistant external surfaces and readily solderable terminal leads.
- Lead and mounting surface temperature for soldering purposes: 260°C max for 10 seconds in solder bath.
- Polarity indicated by a band in the plastic body.
Applications
The MRA4004T3 is ideally suited for various applications, particularly in:
- Automotive systems, including powertrain and telematics.
- Industrial power supplies and rectifier circuits.
- General-purpose rectification in high-reliability environments.
Q & A
- What is the peak repetitive reverse voltage of the MRA4004T3?
The peak repetitive reverse voltage (VRRM) of the MRA4004T3 is 400 volts.
- What is the average rectified forward current rating of the MRA4004T3?
The average rectified forward current (IO) rating is 1 ampere at a lead temperature of 150°C.
- What is the maximum instantaneous forward voltage of the MRA4004T3?
The maximum instantaneous forward voltage (VF) is 1.1 volts at a forward current of 1 ampere.
- What is the thermal resistance from junction to ambient for the MRA4004T3?
The thermal resistance from junction to ambient (RθJA) is 88.3 °C/W.
- Is the MRA4004T3 suitable for automotive applications?
Yes, the MRA4004T3 is AEC qualified and suitable for automotive and other high-reliability applications.
- What is the operating junction temperature range of the MRA4004T3?
The operating junction temperature range is from −55°C to 175°C.
- How is the polarity of the MRA4004T3 indicated?
The polarity is indicated by a band in the plastic body, which marks the cathode lead.
- Is the MRA4004T3 lead-free?
Yes, the MRA4004T3 is available in a lead-free version, denoted by the 'G' suffix in the part number.
- What is the maximum non-repetitive peak surge current rating of the MRA4004T3?
The non-repetitive peak surge current (IFSM) rating is 30 amperes.
- What are the dimensions of the SMA package for the MRA4004T3?
The SMA package dimensions are specified in the datasheet, with key dimensions including A = 0.160 to 0.180 inches and B = 0.090 to 0.115 inches.
