Overview
The 1N4148-1/TR is a high-speed switching diode produced by Microchip Technology. This diode is part of the 1N4148 family and is known for its high switching speed and reliability. It is fabricated in planar technology and encapsulated in a hermetically sealed leaded glass package, specifically the SOD27 (DO-35) package. This diode is widely used in various electronic applications requiring fast switching times and low forward voltage drop.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Repetitive Peak Reverse Voltage (Vrrm) | 100 | V |
| Continuous Reverse Voltage (VR) | 100 | V |
| Continuous Forward Current (IF) | 200 | mA |
| Repetitive Peak Forward Current (IFRM) | 450 | mA |
| Non-Repetitive Peak Forward Current (IFSM) | 4 A (t = 1 µs), 1 A (t = 1 ms), 0.5 A (t = 1 s) | A |
| Forward Voltage (VF) | 1 V @ 10 mA | V |
| Reverse Recovery Time (trr) | 4 ns | ns |
| Reverse Current (IR) | 25 nA @ VR = 20 V, Tj = 25 °C | nA |
| Diode Capacitance (Cd) | 4 pF @ f = 1 MHz, VR = 0 V | pF |
| Junction Temperature (Tj) | -65 °C to 200 °C | °C |
| Storage Temperature (Tstg) | -65 °C to 200 °C | °C |
| Package | SOD27 (DO-35) | |
| Mounting Type | Through Hole |
Key Features
- High switching speed with a reverse recovery time of 4 ns.
- Hermetically sealed leaded glass package (SOD27 or DO-35) for reliability.
- Continuous reverse voltage and repetitive peak reverse voltage up to 100 V.
- Continuous forward current up to 200 mA and repetitive peak forward current up to 450 mA.
- Low forward voltage drop of 1 V at 10 mA.
- Wide operating temperature range from -65 °C to 200 °C.
Applications
- High-speed switching circuits.
- Signal processing and transmission.
- General-purpose rectification and voltage regulation.
- Automotive and industrial control systems.
- Consumer electronics requiring fast switching diodes.
Q & A
- What is the maximum repetitive peak reverse voltage of the 1N4148-1/TR diode?
The maximum repetitive peak reverse voltage is 100 V.
- What is the continuous forward current rating of the 1N4148-1/TR diode?
The continuous forward current rating is 200 mA.
- What is the reverse recovery time of the 1N4148-1/TR diode?
The reverse recovery time is 4 ns.
- What is the maximum junction temperature for the 1N4148-1/TR diode?
The maximum junction temperature is 200 °C.
- What type of package does the 1N4148-1/TR diode come in?
The diode comes in a hermetically sealed leaded glass package, specifically SOD27 (DO-35).
- What is the forward voltage drop at 10 mA for the 1N4148-1/TR diode?
The forward voltage drop at 10 mA is 1 V.
- What are some common applications of the 1N4148-1/TR diode?
Common applications include high-speed switching circuits, signal processing, general-purpose rectification, and automotive and industrial control systems.
- What is the storage temperature range for the 1N4148-1/TR diode?
The storage temperature range is from -65 °C to 200 °C.
- What is the non-repetitive peak forward current rating for the 1N4148-1/TR diode?
The non-repetitive peak forward current rating is 4 A for a pulse duration of 1 µs, 1 A for 1 ms, and 0.5 A for 1 s.
- Is the 1N4148-1/TR diode suitable for high-frequency applications?
Yes, the diode is suitable for high-frequency applications due to its high switching speed and low reverse recovery time.
