Overview
The MMSD4148 is a small signal diode produced by Fairchild Semiconductor, now part of ON Semiconductor. This diode is designed for general-purpose switching and rectification applications. It is packaged in the SOD-123 surface mount package, making it suitable for a wide range of electronic circuits where space is a concern. The MMSD4148 is known for its high breakdown voltage, fast switching times, and robust thermal characteristics, ensuring reliable performance in various operating conditions.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Maximum Repetitive Reverse Voltage | VRRM | 100 | V |
| Average Rectified Forward Current | IF(AV) | 200 | mA |
| Non-Repetitive Peak Forward Surge Current | IFSM | 1.0 A (t < 1 sec), 2.0 A (t < 1 μs) | A |
| Storage Temperature Range | TSTG | -55 to +150 | °C |
| Operating Junction Temperature | TJ | 150 | °C |
| Power Dissipation | PD | 400 | mW |
| Thermal Resistance, Junction-to-Ambient | RθJA | 312 | °C/W |
| Breakdown Voltage | VR | 75 V (IR = 5.0 μA), 100 V (IR = 100 μA) | V |
| Forward Voltage | VF | 1.0 V (IF = 10 mA) | V |
| Reverse Current | IR | 25 nA (VR = 20 V), 5.0 μA (VR = 75 V) | A |
| Total Capacitance | CT | 4.0 pF (VR = 0 V, f = 1.0 MHz) | pF |
| Reverse Recovery Time | trr | 4.0 ns (IF = 10 mA, VR = 6.0 V, IRR = 1.0 mA, RL = 100 Ω) | ns |
Key Features
- High Breakdown Voltage: The MMSD4148 has a maximum repetitive reverse voltage of 100 V, making it suitable for applications requiring high voltage handling.
- Fast Switching Time: With a reverse recovery time of 4.0 ns, this diode is ideal for high-speed switching applications.
- Surface Mount Package: The SOD-123 package is compact and suitable for surface mount technology, facilitating easier assembly and reducing board space.
- RoHS Compliant and Pb-Free: The MMSD4148 is lead-free, halogen-free, and RoHS compliant, ensuring environmental sustainability and compliance with regulatory standards.
- AEC-Q101 Qualified: This diode is qualified to the AEC-Q101 standard, making it suitable for automotive and other applications requiring high reliability and specific control change requirements.
Applications
- General-Purpose Switching and Rectification: The MMSD4148 is widely used in various electronic circuits for switching and rectification purposes due to its high breakdown voltage and fast switching times.
- Automotive Electronics: Qualified to the AEC-Q101 standard, this diode is suitable for use in automotive systems where high reliability is crucial.
- Consumer Electronics: It is used in consumer electronics such as power supplies, audio equipment, and other devices requiring reliable and efficient diode performance.
- Industrial Control Systems: The MMSD4148 can be used in industrial control systems, motor control circuits, and other applications where robust and reliable diode performance is necessary.
Q & A
- What is the maximum repetitive reverse voltage of the MMSD4148?
The maximum repetitive reverse voltage of the MMSD4148 is 100 V.
- What is the average rectified forward current of the MMSD4148?
The average rectified forward current of the MMSD4148 is 200 mA.
- What is the reverse recovery time of the MMSD4148?
The reverse recovery time of the MMSD4148 is 4.0 ns.
- Is the MMSD4148 RoHS compliant?
Yes, the MMSD4148 is RoHS compliant, lead-free, and halogen-free.
- What package type is the MMSD4148 available in?
The MMSD4148 is available in the SOD-123 surface mount package.
- What is the operating junction temperature range of the MMSD4148?
The operating junction temperature range of the MMSD4148 is -55 to +150°C.
- Is the MMSD4148 suitable for automotive applications?
Yes, the MMSD4148 is AEC-Q101 qualified, making it suitable for automotive and other applications requiring high reliability.
- What is the power dissipation of the MMSD4148?
The power dissipation of the MMSD4148 is 400 mW.
- What is the thermal resistance, junction-to-ambient, of the MMSD4148?
The thermal resistance, junction-to-ambient, of the MMSD4148 is 312 °C/W.
- What is the forward voltage of the MMSD4148 at a forward current of 10 mA?
The forward voltage of the MMSD4148 at a forward current of 10 mA is 1.0 V.
