• SMAJ20A DO-214AC (SMA)
SMAJ20A DO-214AC (SMA)

SMAJ20A

LITTELFUSE - SMAJ20A - TVS Diode, SMAJ Series, Unidirectional, 20 V, 32.4 V, DO-214AC (SMA), 2 Pins

Quantity Unit Price(USD) Ext. Price
20 $0.029 $0.58
200 $0.023 $4.60
600 $0.020 $12.00
10000 $0.015 $150.00
20000 $0.014 $280.00
5000 $0.016 $80.00

Inventory:7,435

*The price is for reference only.
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Overview of SMAJ20A

The SMAJ20A is a transient voltage suppressor diode designed to provide protection against voltage transients in electronic circuits. This diode offers a low clamping voltage and fast response time, making it suitable for safeguarding sensitive components against voltage spikes and surges.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • Cathode (K): Connected to the lower potential side
  • Anode (A): Connected to the higher potential side

Circuit Diagram

Include a circuit diagram illustrating the connection of the SMAJ20A diode for effective transient voltage suppression.

Key Features

  • Transient Voltage Suppression: The SMAJ20A provides reliable protection against voltage spikes and transients.
  • Low Clamping Voltage: This diode offers a low clamping voltage to limit the voltage excursion during transient events.
  • Fast Response Time: With a quick response time, the SMAJ20A rapidly suppresses voltage transients to prevent damage to connected components.
  • High Power Capability: Capable of handling high transient power surges to safeguard electronic circuits.

Note: For detailed technical specifications, please refer to the SMAJ20A datasheet.

Application

  • Power Supply Protection: Ideal for protecting power supplies from voltage spikes and surges.
  • Signal Line Protection: Used to safeguard signal lines and communication interfaces from transient events.
  • Circuit Protection: Employed in various electronic circuits to prevent damage due to voltage transients.

Functionality

The SMAJ20A diode acts as a voltage clamp, diverting excess transient current away from sensitive components, thus providing effective protection against voltage surges and spikes.

Usage Guide

  • Orientation: Connect the cathode (K) to the lower potential side and the anode (A) to the higher potential side for proper operation.
  • Installation: Place the SMAJ20A diode in parallel with the circuit to be protected, ensuring it is reverse-biased under normal operating conditions.

Frequently Asked Questions

Q: What is the maximum clamping voltage of the SMAJ20A?
A: The SMAJ20A has a maximum clamping voltage of 34.4V at 10A, providing effective transient voltage suppression.

Q: Is the SMAJ20A suitable for overvoltage protection in automotive applications?
A: Yes, the SMAJ20A is commonly used for overvoltage protection in automotive systems to safeguard sensitive electronics.

Equivalent

For similar functionalities, consider these alternatives to the SMAJ20A:

  • 1.5SMCJ20A: A surface-mount transient voltage suppressor diode with similar voltage clamping characteristics to the SMAJ20A.
  • P6SMBJ20A: This is a bidirectional transient voltage suppressor diode offering comparable transient protection performance.

SMAJ20A

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Pbfree Code No Rohs Code Yes
Part Life Cycle Code Active Ihs Manufacturer LITTELFUSE INC
Part Package Code DO-214AC Package Description R-PDSO-C2
Pin Count 2 Reach Compliance Code not_compliant
ECCN Code EAR99 HTS Code 8541.10.00.50
Samacsys Manufacturer LITTELFUSE Additional Feature EXCELLENT CLAMPING CAPABILITY, LOW INDUCTANCE
Breakdown Voltage-Max 24.5 V Breakdown Voltage-Min 22.2 V
Breakdown Voltage-Nom 23.35 V Clamping Voltage-Max 32.4 V
Configuration SINGLE Diode Element Material SILICON
Diode Type TRANS VOLTAGE SUPPRESSOR DIODE Forward Voltage-Max (VF) 3.5 V
JEDEC-95 Code DO-214AC JESD-30 Code R-PDSO-C2
JESD-609 Code e3 Moisture Sensitivity Level 1
Non-rep Peak Rev Power Dis-Max 400 W Number of Elements 1
Number of Terminals 2 Operating Temperature-Max 150 °C
Operating Temperature-Min -65 °C Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260 Polarity UNIDIRECTIONAL
Power Dissipation-Max 3.3 W Qualification Status Not Qualified
Rep Pk Reverse Voltage-Max 20 V Reverse Current-Max 1 µA
Surface Mount YES Technology AVALANCHE
Terminal Finish MATTE TIN Terminal Form C BEND
Terminal Position DUAL Time@Peak Reflow Temperature-Max (s) 40

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SMAJ20A

LITTELFUSE - SMAJ20A - TVS Diode, SMAJ Series, Unidirectional, 20 V, 32.4 V, DO-214AC (SMA), 2 Pins

Inventory:

7,435