Overview
The MBRS140LT3 is a surface mount Schottky power rectifier produced by onsemi. This device utilizes the Schottky Barrier principle in a metal-to-silicon power rectifier, making it ideal for low voltage, high frequency switching power supplies, free wheeling diodes, and polarity protection diodes. The MBRS140LT3 features an epitaxial construction with oxide passivation and metal overlay contact, ensuring high stability and reliability.
Key Specifications
| Rating | Symbol | Value | Unit |
|---|---|---|---|
| Peak Repetitive Reverse Voltage | VRRM | 40 | V |
| Working Peak Reverse Voltage | VRWM | 40 | V |
| DC Blocking Voltage | VR | 40 | V |
| Average Rectified Forward Current (At Rated VR, TC = 110°C) | IO | 1.0 | A |
| Peak Repetitive Forward Current (At Rated VR, Square Wave, 100 kHz, TC = 110°C) | IFRM | 2.0 | A |
| Non-Repetitive Peak Surge Current (Surge Applied at Rated Load Conditions Halfwave, Single Phase, 60 Hz) | IFSM | 40 | A |
| Storage / Operating Case Temperature | Tstg, TC | −55 to +150 | °C |
| Operating Junction Temperature | TJ | −55 to +125 | °C |
| Voltage Rate of Change (Rated VR, TJ = 25°C) | dv/dt | 10,000 | V/μs |
| Thermal Resistance, Junction-to-Lead | RθJL | 24 | °C/W |
| Thermal Resistance, Junction-to-Ambient | RθJA | 80 | °C/W |
| Maximum Instantaneous Forward Voltage (iF = 1.0 A, TJ = 25°C) | vF | 0.5 | V |
| Maximum Instantaneous Reverse Current (VR = 40 V, TJ = 25°C) | IR | 0.4 | mA |
Key Features
- Compact Package with J-Bend Leads Ideal for Automated Handling
- Highly Stable Oxide Passivated Junction
- Guardring for Over-Voltage Protection
- Low Forward Voltage Drop
- Pb-Free Package Available
- Molded Epoxy Case Meeting UL 94 V-0 @ 0.125 in
- Corrosion Resistant and Readily Solderable Terminal Leads
Applications
The MBRS140LT3 is ideally suited for various applications including:
- Low voltage, high frequency switching power supplies
- Free wheeling diodes
- Polarity protection diodes
Q & A
- What is the peak repetitive reverse voltage of the MBRS140LT3?
The peak repetitive reverse voltage (VRRM) is 40 V.
- What is the average rectified forward current rating of the MBRS140LT3 at TC = 110°C?
The average rectified forward current (IO) is 1.0 A.
- What is the maximum instantaneous forward voltage of the MBRS140LT3 at iF = 1.0 A and TJ = 25°C?
The maximum instantaneous forward voltage (vF) is 0.5 V.
- What is the thermal resistance, junction-to-ambient, of the MBRS140LT3?
The thermal resistance, junction-to-ambient (RθJA), is 80 °C/W.
- Is the MBRS140LT3 available in a Pb-Free package?
- What are the storage and operating case temperature ranges for the MBRS140LT3?
The storage and operating case temperature ranges are −55 to +150 °C.
- What is the non-repetitive peak surge current rating of the MBRS140LT3?
The non-repetitive peak surge current (IFSM) is 40 A.
- What type of package does the MBRS140LT3 use?
The MBRS140LT3 uses an SMB (Surface Mount) package.
- What are some common applications for the MBRS140LT3?
- What is the maximum lead and mounting surface temperature for soldering purposes?
