CR2103AA

Littelfuse Inc. CR2103AA

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  • CR2103AA
  • Littelfuse Inc.
  • TVS DIODE 170VWM TO220
  • TVS - Diodes
  • CR2103AA Datasheet
  • TO-220-3 No Tab
  • TO-220-3 No Tab
  • Lead free / RoHS CompliantLead free / RoHS Compliant
  • 18875
  • Spot Inventory / Athorized Dstributor / Factory Excess Stock
  • 1 year quality assurance 》
  • Click to get rates
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What is CR2103AA

Littelfuse Inc. Part Number CR2103AA（TVS - Diodes）, developed and manufactured by Littelfuse Inc., distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.

CR2103AA is one of the part numbers distributed by Jinftry, and you can learn about its specifications/configurations, package/case, Datasheet, and other information here. Electronic components are affected by supply and demand, and prices fluctuate frequently. If you have a demand, please do not hesitate to send us an RFQ or email us immediately [email protected] Please inquire about the real-time unit price, Data Code, Lead time, payment terms, and any other information you would like to know. We will do our best to provide you with a quotation and reply as soon as possible.

CR2103AA Specifications

  • Part NumberCR2103AA
  • CategoryTVS - Diodes
  • ManufacturerLittelfuse Inc.
  • DescriptionTVS DIODE 170VWM TO220
  • PackageTO-220-3 No Tab
  • SeriesSiBOD? TO-220
  • TypeZener
  • Operating Temperature-55°C ~ 175°C (TJ)
  • Mounting TypeThrough Hole
  • Package / CaseTO-220-3 No Tab
  • Supplier Device PackageTO-220
  • ApplicationsGeneral Purpose
  • Voltage - Reverse Standoff (Typ)170V
  • Voltage - Breakdown (Min)250V
  • Power Line ProtectionNo
  • Bidirectional Channels3

Application of CR2103AA

TVS - Diodes play a vital role in the design of electronic products, and its application fields are very wide. In the field of consumer electronics, such as smartphones, tablets, televisions, etc., TVS diodes are used to protect internal integrated circuits from electrostatic discharge and power fluctuations. In the field of industrial automation, they are used to protect critical equipment such as motor drives and PLC (programmable logic controllers) to ensure the stable operation of production lines. In addition, TVS diodes are also essential components in automotive electronic systems, which can protect on-board electronic systems from transient voltages caused by engine ignition, load mutations, etc. In the field of communication and data transmission, TVS diodes are also used to protect signal transmission lines to ensure the integrity and reliability of data transmission. In general, TVS diodes, with their excellent transient voltage protection capabilities, play an irreplaceable role in ensuring the safe and stable operation of electronic equipment.

CR2103AA Datasheet

CR2103AA Datasheet , TO-220-3 No Tab,SiBOD? TO-220,Zener,-55°C ~ 175°C (TJ),Through Hole,TO-220-3 No Tab,TO-220,General Purpose,170V,250V,No,3

CR2103AA Classification

TVS - Diodes

TVS - Diodes are electronic components designed to protect circuits from transient overvoltage damage. They protect other sensitive components in the circuit from damage by quickly switching on and directing excess transient voltage to ground or power supply. TVS diodes are typically constructed of PN junction or metal oxide semiconductor structures with extremely fast response times and low clamping voltage characteristics. Its design principle is based on the avalanche breakdown effect, that is, when a specific voltage threshold is reached, the diode will rapidly change from a high resistance state to a low resistance state, limiting the transient voltage to a safe level. TVS diodes are used in a wide variety of electronic devices, especially those that need to protect critical circuits from lightning strikes, electrostatic discharges, or other transient voltage events.

FAQ about TVS - Diodes

  • 1. What does a TVS diode do?

    The main function of TVS diodes (Transient Voltage Suppression Diodes) is to protect electronic equipment from voltage spikes and surge voltages‌. When the two poles of the TVS diode are impacted by reverse transient high energy, it can change the high impedance between the two poles into low impedance within 10^-12 seconds, while absorbing surge power up to several kilowatts, causing the gap between the two poles to The voltage is clamped to a safe value, thereby effectively protecting precision components in electronic circuits.
    The specific working principle of TVS diodes is as follows:
    Absorb surge power‌: TVS diodes can, under reverse application conditions, when subjected to a high-energy large pulse, their working impedance immediately drops to a lower conduction state, allowing large current to pass while clamping the voltage at predetermined level. Its response time is only 10^-12 seconds.
    Protection circuit: TVS diodes are used in parallel with the protected circuit. When the circuit is working normally, the TVS diode is in a high impedance state and does not affect the circuit; when there is a surge voltage impact, the TVS diode conducts quickly, absorbs the surge energy, and protects the subsequent circuit.


  • 2. Are TVS diodes and Zener diodes the same?

    TVS diodes and Zener diodes have significant differences in functionality and characteristics, so they are not identical.
    Definition and purpose
    Zener diode: Zener diode is a diode that uses a PN junction for reverse breakdown. It is mainly used to ensure voltage stability. It has a high resistance state before the reverse breakdown voltage and is in a low resistance state after exceeding this critical point. It is widely used in various voltage stabilizing circuits and reference voltage components.
    TVS Diode: TVS diode (Transient Suppression Diode) has surge absorption capability and is mainly used to protect circuits from damage caused by transient high voltages such as surges and electrostatic discharge (ESD). It can absorb a large amount of instantaneous current and voltage in a short period of time, protecting the subsequent equipment or circuits from damage.

  • 3. How do TVS diodes fail?

    The failure modes of TVS diodes mainly include short circuit failure, open circuit failure and performance degradation‌. These failure modes can have a serious impact on the normal operation and protection functions of the circuit.
    short circuit fault
    Short circuit failure is one of the most common failure modes of TVS diodes. When a TVS diode is short-circuited, it changes to a low-impedance state, allowing a large amount of current to pass through, which may cause the circuit to not function properly and may even damage other circuit components. Causes of short circuit faults include:
    Thermal breakdown: In a high temperature environment or when subjected to excessive transient energy impact, the PN junction of the TVS diode may undergo thermal breakdown, resulting in a short circuit.
    Over-electrical stress: When the transient pulse energy exceeds the energy that the TVS can withstand, it will cause over-electrical stress damage and even directly cause burnout.
    Manufacturing process issues: Such as chip bonding interface voids, mesa defects, strong accumulation layer or strong inversion layer on the surface, chip cracks, uneven impurity diffusion, etc., which may cause short circuit failures of TVS diodes during manufacturing or use.

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Littelfuse Inc.
Littelfuse Inc.
Littelfuse is a leading global company specializing in circuit protection, power control, and sensing technology manufacturing.
In 1927, Littelfuse was founded in Illinois, USA. The company's products mainly include circuit protection devices (fuses, resistors,...
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