Microsemi Corporation
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1N4744CPE3/TR8
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1N4744CPE3/TR8

Product Overview

Category

The 1N4744CPE3/TR8 belongs to the category of Zener diodes.

Use

It is commonly used for voltage regulation and protection in electronic circuits.

Characteristics

  • Zener voltage: 15V
  • Power dissipation: 1.0W
  • Package type: DO-41
  • Operating temperature range: -65°C to +200°C
  • Packaging/quantity: Tape & Reel, 3000 units per reel

Specifications

  • Zener voltage: 15V
  • Power dissipation: 1.0W
  • Maximum forward voltage: 1.5V
  • Reverse current: 5.0μA
  • Temperature coefficient: 5mV/°C

Detailed Pin Configuration

The 1N4744CPE3/TR8 has a standard DO-41 package with two leads. The anode is connected to the positive terminal and the cathode to the negative terminal.

Functional Features

  • Precise voltage regulation
  • Overvoltage protection
  • Stable operation over a wide temperature range

Advantages

  • High reliability
  • Low reverse leakage current
  • Compact package size

Disadvantages

  • Limited power dissipation capability
  • Fixed Zener voltage

Working Principles

The 1N4744CPE3/TR8 operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

This Zener diode is widely used in voltage regulator circuits, overvoltage protection circuits, and as a reference voltage source in various electronic devices.

Detailed and Complete Alternative Models

  • 1N4733A: 5.1V Zener voltage
  • 1N4736A: 6.2V Zener voltage
  • 1N4742A: 12V Zener voltage
  • 1N4748A: 18V Zener voltage

In conclusion, the 1N4744CPE3/TR8 Zener diode offers precise voltage regulation and overvoltage protection in a compact package, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4744CPE3/TR8 v technických řešeních

  1. What is the 1N4744CPE3/TR8?

    • The 1N4744CPE3/TR8 is a Zener diode with a voltage rating of 15V and a power dissipation of 1W.

  2. What are the typical applications of the 1N4744CPE3/TR8?

    • It is commonly used for voltage regulation, voltage reference, and overvoltage protection in various electronic circuits.

  3. What is the maximum current that can flow through the 1N4744CPE3/TR8?

    • The maximum current for the 1N4744CPE3/TR8 is typically around 50mA.

  4. How does the 1N4744CPE3/TR8 provide voltage regulation?

    • The Zener diode operates in the reverse breakdown region, maintaining a nearly constant voltage across its terminals, thus regulating the voltage across the circuit.

  5. Can the 1N4744CPE3/TR8 be used for voltage clamping?

    • Yes, it can be used to limit the voltage across a load by diverting excess current when the voltage exceeds the Zener voltage.

  6. What are the key specifications to consider when using the 1N4744CPE3/TR8 in a circuit?

    • Key specifications include the Zener voltage, power dissipation, maximum current, and temperature coefficient.

  7. Is the 1N4744CPE3/TR8 suitable for low-power applications?

    • Yes, it is suitable for low-power applications due to its 1W power dissipation rating.

  8. What are the potential drawbacks of using the 1N4744CPE3/TR8 in a circuit?

    • One potential drawback is its relatively high reverse-bias leakage current, which may need to be considered in high-impedance circuits.

  9. Can the 1N4744CPE3/TR8 be used in voltage reference circuits?

    • Yes, it can be used as a stable voltage reference due to its well-defined Zener voltage.

  10. Are there any alternative components that can be used in place of the 1N4744CPE3/TR8?

    • Yes, other Zener diodes with similar voltage ratings and power dissipation capabilities can be used as alternatives in certain applications.