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Request evaluation samplesSMCJ30A is a TVS - Diodes model from Littelfuse Inc., presented on TrustCompo for buyers who need clear sourcing and review context before RFQ. This listing sits in the Circuit Protection / TVS - Diodes product path. Known package information currently points to SMC under the Littelfuse Inc. brand listing. TVS DIODE 30V 48.4V DO214AB. TrustCompo combines the available model, brand, hierarchy, and specification details around SMCJ30A so buyers can move faster from review to quotation.

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Key specifications
Series
SMCJ
Min Quantity
1
Category
Circuit ProtectionSub Category
TVS - DiodesDescription
TVS DIODE 30V 48.4V DO214AB
key Attributes
-
Datasheet
Technical document
Review the latest datasheet for SMCJ30A from Littelfuse Inc. in a separate tab so engineers and buyers can check package, electrical characteristics, and application details without leaving this product page.
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Globally recognized certifications
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ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
Ordering workflow
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Product overview
The SMCJ30A is a transient voltage suppressor (TVS) diode manufactured by Littelfuse Inc., designed to protect sensitive electronic components from voltage spikes and transients. This device is particularly useful in applications where overvoltage protection is critical, such as in automotive, telecommunications, and industrial electronics.
Voltage Rating: The SMCJ30A has a breakdown voltage of approximately 30 volts, making it suitable for clamping voltage transients that exceed this threshold. It is designed to handle high-energy transients while maintaining a low clamping voltage.
Power Dissipation: The device can handle a peak power dissipation of up to 600 watts, which allows it to absorb significant energy from voltage spikes without failing. This makes it ideal for protecting circuits from lightning strikes, inductive load switching, and other transient events.
Package Type: The SMCJ30A is housed in a DO-214AB (SMC) package, which is a surface-mount device that provides a compact footprint for easy integration into various circuit designs. The package is designed for efficient thermal management, ensuring that the device can operate effectively under high-stress conditions.
Response Time: The SMCJ30A features a fast response time, typically in the nanosecond range, allowing it to react quickly to transient events and protect downstream components from damage.
Temperature Range: The operating temperature range for the SMCJ30A is typically from -55°C to +150°C, making it suitable for use in a wide variety of environments, including harsh industrial settings.
Low Leakage Current: The device exhibits low leakage current under normal operating conditions, which helps to minimize power loss and improve overall circuit efficiency.
Applications: The SMCJ30A is commonly used in applications such as power supply protection, data line protection, and general-purpose transient voltage suppression in consumer electronics, automotive systems, and industrial equipment.
The SMCJ30A from Littelfuse Inc. is a robust and reliable transient voltage suppressor that provides essential protection for electronic circuits against voltage transients. Its high power handling capability, fast response time, and compact package make it an excellent choice for a wide range of applications requiring overvoltage protection.
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Product Attribute
Part Status
Active
Product Attribute
Lead Free
Lead Free
Product Attribute
Min Operating Temperature
-65°C
Product Attribute
Mounting Type
Surface Mount
Product Attribute
Packaging
Tape & Reel (TR)
Product Attribute
Published
2009
Common questions
Quick answers for buyers reviewing SMCJ30A, stock, documentation, and sourcing steps.
SMCJ30A is a TVS - Diodes component from Littelfuse Inc.. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
SMCJ30A is listed with package reference SMC. The current product description is TVS DIODE 30V 48.4V DO214AB, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
This page currently shows 23559 units in stock and 14034 units available for SMCJ30A. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for SMCJ30A by Littelfuse Inc.. The TrustCompo team can review price, availability, and documentation support.
Yes. This page links to the datasheet for SMCJ30A by Littelfuse Inc., so engineers and buyers can review package, ratings, and application details before purchase.
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for SMCJ30A before approving the order.
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