Overview
The RB751S40-ON, produced by onsemi, is a Schottky barrier diode designed for high-speed switching applications, circuit protection, and voltage clamping. This diode is notable for its extremely low forward voltage drop and fast switching speed, making it ideal for use in a variety of electronic circuits where efficiency and speed are critical.
The device is packaged in an ultra-small, flat lead SOD523 (SC-79) surface-mounted package, which is particularly suitable for hand-held and portable applications where space is limited. The RB751S40-ON is also lead-free, halogen-free, and RoHS compliant, ensuring environmental sustainability and compliance with regulatory standards.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Maximum Repetitive Reverse Voltage | VRRM | 40 | V |
| Average Rectified Forward Current | IF(AV) | 30 | mA |
| Forward Surge Current (8.3 mS Single Half Sine-Wave) | IFSM | 200 | mA |
| Power Dissipation | PD | 227 | mW |
| Operating Junction and Storage Temperature Range | TJ, Tstg | −55 to +150 | °C |
| Forward Voltage (IF = 1 mA) | VF | 0.28 - 0.37 | V |
| Reverse Leakage Current (VR = 30 V) | IR | 0.5 μA | μA |
| Reverse Recovery Time (IF = IR = 10 mA, irr = 0.1 IR) | trr | 8.0 nS | nS |
| Junction Capacitance (VR = 1 V, f = 1.0 MHz) | Cj | 2.5 pF | pF |
| Thermal Resistance, Junction to Ambient | RJA | 635 °C/W | °C/W |
Key Features
- Extremely low forward voltage drop, typically 0.28 V at IF = 1.0 mA, reducing conduction loss.
- Fast switching speed, with a reverse recovery time of 8.0 nS.
- Low reverse current, ensuring minimal leakage.
- Ultra-small, flat lead SOD523 (SC-79) surface-mounted package, ideal for space-constrained applications.
- Lead-free, halogen-free, and RoHS compliant, ensuring environmental sustainability.
- AEC-Q101 qualified and PPAP capable for automotive and other demanding applications.
- Integrated guard ring for stress protection.
Applications
- High-speed switching circuits.
- Circuit protection and voltage clamping.
- Hand-held and portable electronic devices where space is limited.
- Automotive applications requiring high reliability and compliance with automotive standards.
- General-purpose rectification in power supplies and other electronic systems.
Q & A
- What is the maximum repetitive reverse voltage of the RB751S40-ON?
The maximum repetitive reverse voltage (VRRM) is 40 V.
- What is the average rectified forward current of the RB751S40-ON?
The average rectified forward current (IF(AV)) is 30 mA.
- What is the forward surge current of the RB751S40-ON?
The forward surge current (IFSM) is 200 mA for an 8.3 mS single half sine-wave.
- What is the operating temperature range of the RB751S40-ON?
The operating junction and storage temperature range is −55 to +150 °C.
- What is the typical forward voltage drop of the RB751S40-ON?
The typical forward voltage drop (VF) is 0.28 to 0.37 V at IF = 1 mA.
- Is the RB751S40-ON RoHS compliant?
Yes, the RB751S40-ON is lead-free, halogen-free, and RoHS compliant.
- What package type is used for the RB751S40-ON?
The device is packaged in an ultra-small, flat lead SOD523 (SC-79) surface-mounted package.
- What are some typical applications of the RB751S40-ON?
Typical applications include high-speed switching circuits, circuit protection, voltage clamping, and use in hand-held and portable electronic devices.
- Is the RB751S40-ON qualified for automotive applications?
Yes, the RB751S40-ON is AEC-Q101 qualified and PPAP capable for automotive and other demanding applications.
- What is the thermal resistance, junction to ambient, of the RB751S40-ON?
The thermal resistance, junction to ambient (RJA), is 635 °C/W.
