Overview
The 1N4148WSQ-7-F is a surface mount fast switching diode produced by Diodes Incorporated. This component is designed for general-purpose switching applications and is known for its fast switching speed and small package size. The 1N4148WSQ-7-F is part of the 1N4148WS series and is specifically qualified for automotive applications, adhering to AEC-Q101 standards and manufactured in IATF16949 certified facilities.
Key Specifications
| Attribute | Value | Unit |
|---|---|---|
| Reverse Voltage - Max (Vrrm) | 75 | V |
| Reverse Recovery Time - Max | 4 | ns |
| Average Forward Current - Max | 150 | mA |
| Package Style | SOD-323 | |
| Mounting Method | Surface Mount | |
| Forward Voltage (VFM) | 0.715 - 1.25 | V |
| Peak Reverse Current (IRM) | 1.0 - 50 | μA |
| Total Capacitance (CT) | 2.0 | pF |
| Thermal Resistance Junction to Ambient Air (RθJA) | 625 | °C/W |
| Operating and Storage Temperature Range | -55 to +150 | °C |
Key Features
- Fast switching speed with a reverse recovery time of 4ns.
- Small surface mount package (SOD-323) for compact designs.
- Totally lead-free and fully RoHS compliant, adhering to EU Directives 2002/95/EC, 2011/65/EU, and 2015/863/EU.
- Halogen and antimony free, classified as a “Green” device.
- AEC-Q101 qualified for high reliability in automotive applications.
- Molded plastic package with UL Flammability Classification Rating 94V-0 and matte tin finish terminals.
Applications
The 1N4148WSQ-7-F is suitable for a variety of general-purpose switching applications, including:
- Automotive systems, where its AEC-Q101 qualification ensures high reliability.
- Consumer electronics requiring fast switching diodes in compact packages.
- Industrial control systems and power supplies.
- Communication devices and networking equipment.
Q & A
- What is the maximum reverse voltage of the 1N4148WSQ-7-F diode?
The maximum reverse voltage is 75V.
- What is the reverse recovery time of the 1N4148WSQ-7-F?
The reverse recovery time is 4ns.
- What is the average forward current rating of the 1N4148WSQ-7-F?
The average forward current rating is 150mA.
- What package style and mounting method does the 1N4148WSQ-7-F use?
The package style is SOD-323, and the mounting method is surface mount.
- Is the 1N4148WSQ-7-F RoHS compliant?
Yes, it is fully RoHS compliant and lead-free.
- What are the operating and storage temperature ranges for the 1N4148WSQ-7-F?
The operating and storage temperature range is -55 to +150°C.
- What is the thermal resistance junction to ambient air for the 1N4148WSQ-7-F?
The thermal resistance junction to ambient air is 625°C/W.
- Is the 1N4148WSQ-7-F suitable for automotive applications?
Yes, it is AEC-Q101 qualified and suitable for automotive applications.
- What is the total capacitance of the 1N4148WSQ-7-F at 1MHz?
The total capacitance is 2.0 pF at 1MHz.
- What is the forward voltage range for the 1N4148WSQ-7-F?
The forward voltage range is 0.715 to 1.25V depending on the forward current.
