Overview
The 1N4148-G is a general-purpose small signal diode produced by Comchip Technology. It is part of the 1N4148 family, known for its fast switching capabilities and versatility in various electronic applications. This diode is electrically equivalent to the 1N914 and is widely used in circuits requiring fast switching times and low forward voltage drop.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Repetitive Peak Reverse Voltage (VRRM) | 100 | V |
| Reverse Voltage (VR) | 75 | V |
| Peak Forward Surge Current (IFSM) | 2 | A |
| Repetitive Peak Forward Current (IFRM) | 500 | mA |
| Forward Continuous Current (IF) | 300 | mA |
| Average Forward Current (IF(AV)) | 150 | mA |
| Power Dissipation (Ptot) | 440 mW (at TL = 45°C), 500 mW (at TL ≤ 25°C) | mW |
| Thermal Resistance Junction to Ambient Air (RthJA) | 350 | K/W |
| Junction Temperature (Tj) | 175 | °C |
| Storage Temperature Range (Tstg) | -65 to +150 | °C |
| Forward Voltage (Vf) @ IF = 10 mA | 1 | V |
| Reverse Recovery Time (trr) | 4 ns | ns |
| Reverse Current (IR) @ VR = 75 V | 5 µA | µA |
| Diode Capacitance @ VR = 0 V, f = 1 MHz | 4 pF | pF |
| Package / Case | DO-35 (DO-204AH) | |
| Mounting Type | Through Hole |
Key Features
- Silicon epitaxial planar diode construction for high reliability and performance.
- Fast switching times with a reverse recovery time of 4 ns.
- Low forward voltage drop of 1 V at 10 mA.
- High peak forward surge current capability of 2 A.
- Low reverse current leakage of 5 µA at 75 V.
- Compact DO-35 (DO-204AH) package suitable for through-hole mounting.
Applications
The 1N4148-G diode is suitable for a wide range of applications, including:
- Extreme fast switching circuits.
- General-purpose rectification and switching in electronic devices.
- Audio and video signal processing.
- Automotive and industrial control systems.
- Consumer electronics and appliances.
Q & A
- What is the maximum repetitive peak reverse voltage of the 1N4148-G diode?
The maximum repetitive peak reverse voltage (VRRM) is 100 V. - What is the forward continuous current rating of the 1N4148-G diode?
The forward continuous current (IF) is 300 mA. - What is the reverse recovery time of the 1N4148-G diode?
The reverse recovery time (trr) is 4 ns. - What is the package type of the 1N4148-G diode?
The package type is DO-35 (DO-204AH). - What is the junction temperature range of the 1N4148-G diode?
The junction temperature range is -65°C to +150°C. - What is the typical forward voltage drop of the 1N4148-G diode?
The typical forward voltage drop (Vf) at 10 mA is 1 V. - What is the diode capacitance of the 1N4148-G diode?
The diode capacitance at VR = 0 V and f = 1 MHz is 4 pF. - Is the 1N4148-G diode suitable for high-frequency applications?
Yes, the 1N4148-G diode is suitable for high-frequency applications due to its fast switching times and low capacitance. - Can the 1N4148-G diode be used in automotive applications?
Yes, the 1N4148-G diode can be used in automotive and industrial control systems due to its robust specifications. - What is the storage temperature range for the 1N4148-G diode?
The storage temperature range is -65°C to +150°C.
