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SMA6J13A
Bourns Inc.
TVS DIODE 13VWM 21.5VC DO214AC
35191 Pcs New Original In Stock
21.5V Clamp 28A Ipp Tvs Diode Surface Mount DO-214AC (SMA)
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5.0 / 5.0
- (311 Ratings)
SMA6J13A
Product Overview
3230731
DiGi Electronics Part Number
SMA6J13A-DGManufacturer
Bourns Inc.
SMA6J13A
Description
TVS DIODE 13VWM 21.5VC DO214ACInventory
35191 Pcs New Original In Stock
21.5V Clamp 28A Ipp Tvs Diode Surface Mount DO-214AC (SMA)
Quantity
Minimum 1
Minimum 1
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SMA6J13A Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
Tape & Reel (TR)
Series
SMA6J
Product Status
Active
Type
Zener
Unidirectional Channels
1
Voltage - Reverse Standoff (Typ)
13V
Voltage - Breakdown (Min)
14.4V
Voltage - Clamping (Max) @ Ipp
21.5V
Current - Peak Pulse (10/1000µs)
28A
Power - Peak Pulse
600W
Power Line Protection
No
Applications
Telecom
Capacitance @ Frequency
-
Operating Temperature
-55°C ~ 150°C (TJ)
Mounting Type
Surface Mount
Package / Case
DO-214AC, SMA
Supplier Device Package
DO-214AC (SMA)
Base Product Number
SMA6J13
Datasheet & Documents
HTML Datasheet
SMA6J13A-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Affected
ECCN
EAR99
HTSUS
8541.10.0080
Additional Information
Other Names
118-SMA6J13ATR
Standard Package
5,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
L'ergonomie du site facilite la prise de décision et accélère mes achats.
Dec 02, 2025
DiGi Electronics' quick shipping and excellent support make them preferable.
Dec 02, 2025
They use high-grade materials in their products, resulting in increased performance and lifespan.
Dec 02, 2025
I highly value their attentive after-sales support—it really makes a difference.
Dec 02, 2025
The quality of the components from DiGi Electronics is truly long-lasting; they perform reliably over extended periods.
Dec 02, 2025
The company’s commitment to quick after-sales service positively impacts our operational efficiency.
Dec 02, 2025
Friendly and knowledgeable staff made my experience pleasant.
Dec 02, 2025
DiGi Electronics’ commitment to efficient delivery and support is unmatched.
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Frequently Asked Questions (FAQ)
When designing a telecom application with the Bourns SMA6J13A, what are the potential risks of exceeding the 13V standoff voltage in a real-world scenario, and how can this TVS diode be effectively integrated to mitigate them?
While the Bourns SMA6J13A has a 13V reverse standoff voltage, continuous operation even slightly above this can lead to increased leakage current and accelerated degradation, potentially reducing its long-term effectiveness. To mitigate this, ensure your nominal operating voltage is comfortably below 13V, ideally with a 10-20% margin. Consider a cascaded protection scheme if your system is prone to sustained overvoltage events, using the SMA6J13A as a first line of defense for transient surges and a secondary component for lower-energy, longer-duration events. Proper PCB layout with short traces to the ground plane is also critical for effective transient dissipation from the SMA6J13A.
How does the Bourns SMA6J13A's peak pulse current rating of 28A at 10/1000µs influence my selection for protecting against lightning-induced surges in a potentially harsh industrial environment, and what are the trade-offs compared to devices with higher or lower ratings?
The 28A peak pulse current rating of the Bourns SMA6J13A is substantial for its SMA package size, making it suitable for many telecom applications. However, for direct lightning strike protection or in extremely harsh industrial environments where IEC 61000-4-5 Level 4 surges (up to 8kA 8/20µs) might occur, it may not offer sufficient margin. Choosing a device with a significantly higher current rating (e.g., a larger package TVS) increases component size and cost, while a lower rating TVS like the SMA6J13A might fail prematurely. For robust lightning protection, you might consider the SMA6J13A as part of a multi-stage protection where a higher-rated, lower-speed device handles the initial bulk of the energy, followed by the SMA6J13A for finer transient suppression. Always consult relevant industry standards and perform surge testing to validate your protection strategy.
What are the key considerations and potential failure modes when replacing a Bourns SMA6J13A with a different manufacturer's part, such as the Vishay SM6T13A, to ensure equivalent or superior protection performance?
When replacing a Bourns SMA6J13A with a part like the Vishay SM6T13A, always verify that key parameters beyond just the standoff voltage (13V) and clamping voltage (21.5V at specified current) are closely matched. Pay close attention to the peak pulse current (Ipp) rating under the same waveform (10/1000µs), breakdown voltage, and crucially, the junction capacitance. If the replacement has significantly higher capacitance, it could affect signal integrity in high-speed data lines. Also, confirm the package dimensions and thermal characteristics are compatible with your PCB design. A mismatch in any of these can lead to degraded performance or premature failure of the replacement device, rendering your protection inadequate.
Beyond the stated 600W peak pulse power, what are the practical implications of repeated transient events on the thermal management and long-term reliability of the Bourns SMA6J13A in continuous operation within a crowded electronic enclosure?
The 600W peak pulse power rating of the Bourns SMA6J13A is a single-event transient capability. Repeated exposure to transients, even below the absolute maximum rating, will generate heat. In a densely populated enclosure, inadequate thermal dissipation can cause the device's junction temperature to rise, leading to increased leakage current, reduced clamping efficiency, and ultimately, premature failure. To ensure long-term reliability, consider not just the transient energy but also the frequency and duration of such events. Ensure sufficient airflow or heatsinking around the SMA6J13A, and if possible, position it away from other heat-generating components. If repeated moderate transients are expected, consider a TVS diode with a higher continuous power rating or a higher surge current capability to reduce the cumulative thermal stress.
What specific design risks or uncertainties are associated with using the Bourns SMA6J13A for 'Power Line Protection' when the product details explicitly state 'No', and how can engineers properly address this limitation in their system design?
The 'Power Line Protection: No' designation for the Bourns SMA6J13A signifies that it is not designed for direct, robust protection against the high-energy transients commonly found on AC power lines, such as those from lightning strikes or utility grid switching. These events often involve significantly higher voltages, currents, and energy levels than what the SMA6J13A is rated to handle, even with its 600W peak pulse power. Attempting to use it for direct AC power line protection would be a significant design risk, likely leading to device failure and potential damage to the protected equipment. To properly address this, engineers must employ dedicated AC power line surge protection devices (e.g., MOV's, GDT's, or specialized AC TVS diodes) as a first stage, and then the SMA6J13A could potentially be used as a secondary protection component for lower-energy transients on the DC power rails *after* the AC line has been conditioned and regulated.
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SMA6J13A CAD Models
Bourns Inc. SMA6J13A PCB symbols & footprints
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