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1N4148 High-Speed Switching Diode – Ultra-Fast Signal Diode for Arduino, Electronics, DIY Circuits & Prototyping | Buy Online in India - (10 PCs)
1N4148 High-Speed Switching Diode – Ultra-Fast Signal Diode for Arduino, Electronics, DIY Circuits & Prototyping | Buy Online in India - (10 PCs)
SKU:RS204
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Delivery Time
Delivery Time
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- Delivery time if the order item is on Preorder Status is 15-20 working days.
COD (Cash on Delivery)
COD (Cash on Delivery)
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Description:
The 1N4148 Switching Diode is one of the most widely used high-speed, low-current signal diodes in electronics. Known for its ultra-fast switching speed, low capacitance, and high reliability, it is essential for signal processing, logic circuits, switching applications, sensor protection, and more.
Whether you're prototyping on Arduino, designing a sensor board, repairing electronics in Delhi NCR, or building DIY projects for college submissions, the 1N4148 diode delivers consistent performance trusted by engineers and makers worldwide.
This diode is used in thousands of projects across India for its accuracy, durability, and flawless switching behavior—making it a must-have for hobbyists, students, repair technicians, IoT developers, and robotics enthusiasts.
- ✨ “Tiny component, massive impact — protect your circuits with confidence.”
- ✨ “Every successful electronics project needs a guardian. Let 1N4148 be yours.”
- ✨ “Build boldly knowing your signals are clean, fast, and safe.”
- ✨ “For every Indian maker dreaming big — this diode keeps your ideas alive.”
Specifications:
| Part Number | 1N4148 |
| Type | High-Speed Switching Diode |
| Package | DO-35 (Glass Axial) |
| Forward Current (IF) | 300mA |
| Peak Repetitive Reverse Voltage (VRRM) | 100V |
| Forward Voltage (VF) | 1.0V max @ 10mA |
| Reverse Recovery Time (trr) | 4ns (Ultra-fast) |
| Junction Capacitance | 4pF typical |
| Operating Temperature | -65°C to +175°C |
| Material | Silicon Junction |
| Power Dissipation | 500mW |
| Polarity | Cathode marked with a black band |
Features:
- ⚡ Ultra-Fast Switching (4ns)
Perfect for high-frequency circuits, digital logic, and fast signal control. - 🔰 Protects Your Components
Safeguards microcontrollers, sensors, motors, relay modules, and communication lines from voltage spikes. - 🔧 Versatile for All Electronics
Ideal for Arduino, ESP32, STM32, Raspberry Pi, breadboard prototyping, and PCB designs. - 🔋 Low Forward Voltage
Efficient performance ensures minimal power loss and heat generation, even in continuous operation. - 🧪 High Reliability
A trusted diode used across Indian engineering colleges, ITI labs, startups, IoT projects, and robotics clubs. - ✅ Compact DO-35 Package
Easy to solder, easy to mount, and perfect for breadboards and PCBs.
Applications & Use Cases:
✅ Ideal for Arduino, Raspberry Pi & ESP Projects
- Digital signal shaping
- I/O pin protection
- Sensor debouncing
- Logic gating
✅ Switching & Rectification
- High-frequency rectifier circuits
- Pulse generators
- Square wave shaping
- Motor driver protection
✅ Protection Applications
- Reverse polarity protection
- Clamping and snubber circuits
- Flyback diode for relays
✅ Audio & Communication Circuits
- AM/FM decoder circuits
- Fast switching filters
- Noise reduction paths
✅ Educational & Lab Use
- Perfect for:
-
- 🎓 B.Tech
- 🎓 Diploma / ITI
- 🎓 CBSE School Labs
- 🎓 Electronics Hobby Clubs
- 🎓 B.Tech
Package Included:
- 10 x 1N4148 4148 Switching Diode