Generic 1N4148 High-Speed Switching Diode – 100V Reverse Voltage
₹45.00₹80.00 (price_including_tax) (-44%)
Achieve unparalleled signal integrity with the 1N4148 High-Speed Switching Diode. This miniature workhorse transforms high-frequency digital and analog signals with precision and minimal latency. Experience robust performance and enduring quality in all your electronic designs.
Essential for rapid signal processing, the 1N4148 diode delivers reliable, ultrafast switching crucial for demanding circuits.
Delivers rapid switching for precise signal handling in time-critical electronic circuits and designs.
Reliably withstands high reverse voltages, ensuring stable and protected operation for sensitive components.
Miniature DO-35 package provides excellent mechanical and thermal resilience for demanding builds.
The Engineering Behind 1N4148 Switching Diode
The 1N4148 is a ubiquitous small-signal silicon switching diode, renowned for its exceptionally fast recovery time and reliable performance across a broad spectrum of electronic applications. Engineered with a planar epitaxial process, this diode provides high reverse voltage blocking capabilities and minimal leakage current, making it indispensable for high-speed switching, clamping, and general-purpose rectification in compact circuits.
Encased in a standard DO-35 axial-leaded glass package, the 1N4148 offers robust mechanical integrity and thermal stability, ensuring long-term operational reliability even in challenging environments. Its miniature form factor and straightforward integration make it a fundamental component for both seasoned engineers and budding electronics enthusiasts learning about semiconductor behavior.
Ultrafast Switching Speed
The hallmark feature of the 1N4148 is its remarkably fast reverse recovery time, typically in the range of 4 nanoseconds. This enables rapid transition between conducting and non-conducting states, minimizing signal distortion and energy loss in high-frequency circuits, pulse generation, and data communications. Its speed makes it superior to general-purpose rectifier diodes in applications where signal integrity and quick response are paramount.
High Reverse Voltage & Low Leakage
Despite its small size, the 1N4148 is designed to withstand a continuous reverse voltage (VR) of up to 75V and a non-repetitive peak reverse voltage (VRM) of 100V. This robust reverse blocking capability, coupled with extremely low reverse leakage current, ensures circuit stability and prevents unwanted current flow, effectively protecting sensitive components and maintaining signal fidelity in diverse operating conditions, from logic interfaces to small power supplies.
Optimized for Performance & Integration
- Diode Type: Small Signal Switching Diode
- Max Continuous Reverse Voltage (VR): 75V
- Max Peak Reverse Voltage (VRM): 100V
- Max Continuous Forward Current (IF): 200mA
- Reverse Recovery Time (trr): 4ns (Typical)
- Package Type: DO-35 (Axial)
- Operating Temperature: -65°C to +175°C
Features & Benefits
- Ultrafast Switching Capability: Ensures rapid signal processing and minimal latency in high-frequency applications like digital logic and RF circuits.
- High Reverse Voltage Rating: Provides robust protection against voltage spikes and ensures circuit stability up to 100V peak.
- Low Forward Voltage Drop: Minimizes power dissipation and improves efficiency when conducting current.
- Compact DO-35 Glass Package: Offers excellent mechanical strength, thermal stability, and easy integration into crowded PCBs.
- Low Reverse Leakage Current: Prevents unintended current flow, preserving signal integrity and reducing power consumption.
- Wide Operating Temperature Range: Guarantees reliable performance in extreme environmental conditions, enhancing device longevity.
Pro-Grade Advantages
- Extremely fast switching speed crucial for high-frequency signal processing.
- High reverse voltage blocking capability ensures circuit protection and stability.
- Low forward voltage drop enhances efficiency in current conduction.
- Small, durable glass package facilitates easy integration and robust environmental tolerance.
Technical Considerations
- Limited to small signal applications, not suitable for high power rectification.
- Sensitivity to overcurrent conditions requires careful circuit design and protection.
What is the primary function of the 1N4148 diode?
The 1N4148 is primarily a high-speed small signal switching diode, used for general-purpose switching, clipping, clamping, and rectification in high-frequency applications where fast response is critical.
What is the typical reverse recovery time of a 1N4148?
The typical reverse recovery time (trr) for the 1N4148 is approximately 4 nanoseconds, enabling its high-speed switching capabilities.
Can the 1N4148 be used as a Zener diode?
No, the 1N4148 is a switching diode, not designed for voltage regulation like a Zener diode. While it has a reverse breakdown voltage, it is not optimized for that application.
What are the maximum voltage and current ratings?
The 1N4148 has a maximum continuous reverse voltage of 75V, a peak reverse voltage of 100V, and a maximum continuous forward current of 200mA.
What package type does the 1N4148 typically come in?
The 1N4148 is commonly supplied in a miniature axial-leaded glass DO-35 package, known for its small footprint and robust construction.
| Specification | Value |
|---|---|
| Diode Type | Small Signal Switching |
| Max Continuous Reverse Voltage (VR) | 75V |
| Max Peak Reverse Voltage (VRM) | 100V |
| Max Continuous Forward Current (IF) | 200mA |
| Peak Forward Surge Current (IFSM) | 1A (1µs) |
| Reverse Recovery Time (trr) | 4ns (Typical) |
| Forward Voltage (VF) @ 10mA | 1.0V (Typical) |
| Reverse Leakage Current (IR) @ 75V | 5µA (Max) |
| Capacitance (Cj) @ 0V, 1MHz | 4pF (Typical) |
| Operating Temperature Range | -65°C to +175°C |
| Package Type | DO-35 (Axial) |
Additional information
| Brand | Generic |
|---|---|
| Technology | Semiconductor Diode |
| Operating Voltage | 75V (Max Continuous Reverse) |
| Max Current | 200mA (Max Continuous Forward) |
| Package | DO-35 |
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