Littelfuse Inc.
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
SMAJ11
詳細を表示 DataSheets

SMAJ11 Diode

Product Overview

SMAJ11 belongs to the category of diodes and is commonly used for voltage regulation and transient suppression. This diode is characterized by its small size, high reliability, and fast response time. It is typically packaged in a DO-214AC (SMA) package and is available in quantities ranging from individual units to bulk packaging.

Specifications

  • Part Number: SMAJ11
  • Package Type: DO-214AC (SMA)
  • Quantity Available: Individual units to bulk packaging
  • Voltage Rating: 11V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ11 diode has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.

Functional Features

  • Voltage Regulation: The SMAJ11 diode regulates the voltage by clamping the transient overvoltage to a safe level.
  • Transient Suppression: It provides protection against voltage spikes and transients, safeguarding sensitive electronic components.

Advantages and Disadvantages

Advantages

  • Fast Response Time: Provides rapid protection against voltage transients.
  • Small Size: Occupies minimal space on the circuit board.
  • High Reliability: Ensures consistent performance under varying conditions.

Disadvantages

  • Limited Voltage Rating: Not suitable for applications requiring higher voltage protection.

Working Principles

The SMAJ11 diode operates based on the principle of avalanche breakdown and zener effect. When the voltage exceeds the rated value, the diode conducts and clamps the voltage to protect the downstream circuitry.

Detailed Application Field Plans

The SMAJ11 diode finds extensive use in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMAJ11 include: - P6KE11CA - 1.5KE11A - SMBJ11A

In conclusion, the SMAJ11 diode is a reliable and compact component that provides effective voltage regulation and transient suppression in a wide range of electronic applications.

Word Count: 298

技術ソリューションにおける SMAJ11 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is SMAJ11?

    • SMAJ11 is a type of surface mount transient voltage suppressor diode used to protect electronic circuits from overvoltage transients.

  2. What is the maximum peak pulse power dissipation of SMAJ11?

    • The maximum peak pulse power dissipation of SMAJ11 is 400 watts.

  3. What is the breakdown voltage of SMAJ11?

    • The breakdown voltage of SMAJ11 is typically 12.1 volts.

  4. What are the typical applications of SMAJ11?

    • SMAJ11 is commonly used in various electronic devices and systems such as power supplies, telecommunications equipment, automotive electronics, and industrial controls to protect against voltage surges and spikes.

  5. What is the response time of SMAJ11?

    • The response time of SMAJ11 is very fast, typically responding within nanoseconds to clamp the voltage spike.

  6. What is the operating temperature range of SMAJ11?

    • The operating temperature range of SMAJ11 is usually between -55°C to +150°C.

  7. How does SMAJ11 provide protection to electronic circuits?

    • SMAJ11 diverts excessive current away from sensitive components by clamping the voltage to a safe level during transient events, thus protecting the circuit.

  8. Can SMAJ11 be used for both AC and DC applications?

    • Yes, SMAJ11 can be used for both AC and DC applications due to its bidirectional clamping capability.

  9. What is the packaging type of SMAJ11?

    • SMAJ11 is available in various surface mount packages such as SMB, SMC, and DO-214AC.

  10. Are there any precautions to consider when using SMAJ11 in a circuit?

    • It is important to ensure proper PCB layout, adequate thermal management, and appropriate derating of the device to maximize the effectiveness of SMAJ11 in protecting the circuit.