Overview
The 1N4148T/R diode, produced by EIC SEMICONDUCTOR INC., is a high-speed switching diode designed for general-purpose rectification and high-speed switching applications. It is fabricated using silicon epitaxial planar technology and encapsulated in a hermetically sealed glass package with axial leads (DO-35 or SOD27 package type). This diode is known for its fast switching speed, making it suitable for a variety of electronic circuits that require quick and reliable switching performance.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Repetitive Peak Reverse Voltage | VRRM | 100 | V |
| Continuous Reverse Voltage | VR | 100 | V |
| Continuous Forward Current | IFM | 300 | mA |
| Non-Repetitive Peak Forward Surge Current (t = 1 μs) | IFSM | 4 | A |
| Total Power Dissipation (at 25°C) | Ptot | 500 | mW |
| Maximum Forward Voltage (IF = 10 mA) | VFM | 1 | V |
| Reverse Recovery Time | trr | 4 | ns |
| Diode Capacitance (f = 1 MHz, VR = 0 V) | Cd | 4 | pF |
| Operating Temperature Range | Tj | -65 to +175 | °C |
Key Features
- Hermetically sealed glass package (DO-35 or SOD27) with axial leads.
- High switching speed with a maximum reverse recovery time of 4 ns.
- Continuous reverse voltage and repetitive peak reverse voltage of up to 100 V.
- Continuous forward current of up to 300 mA.
- Non-repetitive peak forward surge current of up to 4 A for a 1 μs pulse.
- Lead-free finish, RoHS compliant.
- Solderable leads per MIL-STD-202, Method 208.
Applications
The 1N4148T/R diode is suitable for various applications, including:
- High-speed switching circuits.
- General-purpose rectification.
- Signal processing and detection.
- Power supply circuits requiring fast switching diodes.
- Automotive and industrial control systems.
Q & A
- What is the maximum repetitive peak reverse voltage of the 1N4148T/R diode?
The maximum repetitive peak reverse voltage is 100 V. - What is the continuous forward current rating of the 1N4148T/R diode?
The continuous forward current rating is up to 300 mA. - What is the reverse recovery time of the 1N4148T/R diode?
The reverse recovery time is up to 4 ns. - Is the 1N4148T/R diode RoHS compliant?
Yes, the diode has a lead-free finish and is RoHS compliant. - What is the operating temperature range of the 1N4148T/R diode?
The operating temperature range is from -65°C to +175°C. - What type of package does the 1N4148T/R diode come in?
The diode comes in a hermetically sealed glass package (DO-35 or SOD27) with axial leads. - What is the maximum non-repetitive peak forward surge current for a 1 μs pulse?
The maximum non-repetitive peak forward surge current for a 1 μs pulse is 4 A. - What is the total power dissipation at 25°C?
The total power dissipation at 25°C is 500 mW. - What is the maximum forward voltage at 10 mA?
The maximum forward voltage at 10 mA is 1 V. - Is the 1N4148T/R diode suitable for high-speed switching applications?
Yes, the diode is specifically designed for high-speed switching applications.
