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1W Zener Diode Pak 3V to 47V 300 Pcs 30 Values

SKU: EP45

Technical Specification:

  • Type: Through Hole
  • Model: 1 W Zener Diode
  • Power Dissipation: 1 W
  • Voltage Range: 3.0 V – 47 V
  • Tolerance: ±5 %
  • Package Type: DO-41
  • Max. Reg. Current: 5 mA – 290 mA
  • Max. Rev. Leakage Current: 5 µA – 100 µA
  • Dynamic Resistance: 2 Ω – 65 Ω
  • Pak Weight: 180 gm
  • Pak Dimensions: 150 x 100 x 35 mm

₹700.00

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Description

A 1W Zener Diode is a semiconductor device designed for voltage regulation and protection applications. It operates in reverse breakdown mode, maintaining a stable voltage across its terminals. With a 1W power dissipation rating, it is suitable for low- to medium-power circuits, including power supplies, voltage reference circuits, and overvoltage protection. These diodes offer precise breakdown voltages, ensuring reliable performance in electronic circuit designs.

This 300-piece 1W Zener Diode Assortment Kit includes 30 voltage ratings (3V–47V), 10 pieces each. Ideal for voltage regulation, protection, and reference circuits, these diodes ensure stable breakdown voltages. Perfect for hobbyists, engineers, and professionals in power supplies, signal conditioning, and circuit prototyping applications.

Zener Diode Symbol:

Zener Diode Structure:

Zener Diode Part Code:

Zener Diode V-I Characteristics:

 

The VI characteristic of the Zener diode is shown in the figure below. When the diode is connected in forward bias, this diode work like a normal diode. But When a reverse voltage is applied across the diode. initially a small reverse saturation current Io flows across the diode. As the reverse voltage is increased, at a certain value of reverse voltage, the junction will be breakdown and drastically a large reverse current flow through the device. This breakdown is called Zener breakdown. The voltage at which this breakdown occurs is called Zener voltage.

Package Includes

300 1W Zener Diode 30 values

  • 3.0 V - 10 Pcs
  • 3.3 V - 10 Pcs
  • 3.6 V - 10 Pcs
  • 3.9 V - 10 Pcs
  • 4.3 V - 10 Pcs
  • 4.7 V - 10 Pcs
  • 5.1 V - 10 Pcs
  • 5.6 V - 10 Pcs
  • 6.2 V - 10 Pcs
  • 6.8 V - 10 Pcs
  • 7.5 V - 10 Pcs
  • 8.2 V - 10 Pcs
  • 9.1 V - 10 Pcs
  • 10 V - 10 Pcs
  • 11 V - 10 Pcs
  • 12 V - 10 Pcs
  • 13 V - 10 Pcs
  • 15 V - 10 Pcs
  • 16 V - 10 Pcs
  • 18 V - 10 Pcs
  • 20 V - 10 Pcs
  • 22 V - 10 Pcs
  • 24 V - 10 Pcs
  • 27 V - 10 Pcs
  • 30 V - 10 Pcs
  • 33 V - 10 Pcs
  • 36V - 10 Pcs
  • 39 V - 10 Pcs
  • 43 V - 10 Pcs
  • 47 V - 10 Pcs

Features:

  • Stable voltage regulation
  • Overvoltage protection
  • High reliability
  • Compact and lightweight
  • Easy to integrate
  • Cost-effective
  • Versatile applications

Applications:

  • Voltage Regulation - Maintains a stable output voltage in circuits
  • Overvoltage Protection - Prevents excess voltage from damaging components
  • Reference Voltage - Provides a stable reference for precise circuit operation
  • Power Supply Circuits - Used in regulated power supplies for steady voltage output
  • Signal Clipping & Shaping - Helps in waveform shaping and signal conditioning
  • Surge Suppression - Protects sensitive electronics from voltage spikes
  • Switching Circuits - Used in logic circuits for controlled switching
  • Meter Protection - Prevents voltage surges from damaging measuring instruments
1. How do I connect a 1W Zener diode in a circuit?

It is usually connected in reverse bias with a series resistor to limit current.

2. Can a 1W Zener diode be used as a voltage regulator?

Yes, it can maintain a stable voltage when used with a series resistor in power supply circuits.

3. How do I test a 1W Zener diode?

Use a multimeter in diode mode for basic testing or apply a known voltage with a resistor to verify breakdown voltage.

4. Can a Zener diode work without a resistor?

No, a series resistor is necessary to limit current and prevent damage.

5. Can a 1W Zener diode handle AC voltage?

Not directly. A bridge rectifier is required to convert AC to DC before regulation.

6. Can a 1W Zener diode be used in series for higher voltage?

Yes, connecting Zener diodes in series adds up their breakdown voltages.

7. Does a 1W Zener diode have polarity?

Yes, the cathode (striped end) should be connected to the higher potential in reverse bias operation.

8. How do I read the markings on a Zener diode?

The number on the diode represents its breakdown voltage (e.g., 12V for 1N4742A).

9. Can I replace a 1W Zener diode with a 0.5W Zener diode?

Only if the current demand is low; otherwise, a 1W diode is necessary to prevent overheating.

10. Can I purchase specific types individually rather than in a pack?

This product is sold as a complete pack, but individual types may be available separately upon bulk request.

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