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P6KE56A-E3/73
Vishay General Semiconductor - Diodes Division
TVS DIODE 47.8VWM 77VC DO204AC
20246 Pcs New Original In Stock
77V Clamp 7.8A Ipp Tvs Diode Through Hole DO-204AC (DO-15)
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5.0 / 5.0
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P6KE56A-E3/73
Product Overview
986914
DiGi Electronics Part Number
P6KE56A-E3/73-DGManufacturer
Vishay General Semiconductor - Diodes Division
P6KE56A-E3/73
Description
TVS DIODE 47.8VWM 77VC DO204ACInventory
20246 Pcs New Original In Stock
77V Clamp 7.8A Ipp Tvs Diode Through Hole DO-204AC (DO-15)
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Quantity
Minimum 1
Minimum 1
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P6KE56A-E3/73 Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
Cut Tape (CT)
Series
TransZorb®
Product Status
Active
Type
Zener
Unidirectional Channels
1
Voltage - Reverse Standoff (Typ)
47.8V
Voltage - Breakdown (Min)
53.2V
Voltage - Clamping (Max) @ Ipp
77V
Current - Peak Pulse (10/1000µs)
7.8A
Power - Peak Pulse
600W
Power Line Protection
No
Applications
General Purpose
Capacitance @ Frequency
-
Operating Temperature
-55°C ~ 175°C (TJ)
Mounting Type
Through Hole
Package / Case
DO-204AC, DO-15, Axial
Supplier Device Package
DO-204AC (DO-15)
Base Product Number
P6KE56
Datasheet & Documents
HTML Datasheet
P6KE56A-E3/73-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
P6KE56A-E3/73GICT
P6KE56A-E3/73GITB
P6KE56A-E3/73-DG
Standard Package
2,000
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
항상 최선을 다하는 서비스와 뛰어난 품질이 마음에 들어요.
de desembre 02, 2025
經常有新品推廣，讓我們能持續更新設備，提高效率。
de desembre 02, 2025
J’ai été agréablement surpris par la réactivité et la courtoisie de leur équipe après-vente.
de desembre 02, 2025
頼れるサポートと効率的な配送に大満足しています。
de desembre 02, 2025
Impressive website design that makes browsing and purchasing enjoyable.
de desembre 02, 2025
Their proactive approach in support services makes troubleshooting faster and more efficient.
de desembre 02, 2025
The delivery personnel were courteous and punctual, and the delivery process was smooth from start to finish.
de desembre 02, 2025
DiGi Electronics' commitment to fast delivery helps my business stay on schedule.
de desembre 02, 2025
DiGi keeps their prices reasonable without compromising on quality support.
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Frequently Asked Questions (FAQ)
When designing with the Vishay P6KE56A-E3/73 TVS diode, what are the practical implications of its 77V clamping voltage at 7.8A for protecting sensitive downstream components in a 48V nominal power system?
The 77V clamping voltage of the P6KE56A-E3/73 is crucial for protecting components operating at or below 47.8V reverse standoff. In a 48V system, a transient exceeding this rating, even if it reaches 77V, will be clamped. Engineers must ensure that all downstream components can tolerate this 77V peak, or consider using a TVS with a lower clamping voltage if the system's voltage margin is tight and component breakdown is below 77V. This TVS is best suited for overvoltage events that are expected to briefly exceed 47.8V but not significantly surpass 77V, leaving a sufficient safety margin for the protected load.
What is the primary risk in using the Vishay P6KE56A-E3/73 for replacing an older P6KE56A part, and how can this be mitigated during a component obsolescence scenario?
While 'P6KE56A' is listed as a base product number, the 'P6KE56A-E3/73' has specific suffixes indicating Vishay's latest manufacturing standards and compliance. The primary risk in replacing an older P6KE56A with the P6KE56A-E3/73 lies in subtle variations in manufacturing tolerances or potentially updated internal construction that might affect long-term reliability or parasitic inductance. It's essential to review the datasheet revision history if available. Mitigation involves performing comparative stress testing under worst-case transient conditions if the older part was a critical component and direct drop-in replacement without re-qualification is a concern. However, generally, the 'E3/73' designation signifies Vishay's updated, compliant version, making it a safe and recommended substitute.
For applications involving high-frequency switching noise where parasitic capacitance can be a concern, what are the design considerations when selecting the Vishay P6KE56A-E3/73 TVS diode, given its capacitance is not specified?
The P6KE56A-E3/73, like many higher power TVS diodes in axial packages, is not optimized for applications sensitive to capacitance at high frequencies. While its capacitance is not explicitly listed, it will contribute to signal path impedance. If your design operates in the hundreds of MHz or GHz range and any additional capacitance, even a few picofarads, can distort signals or introduce unwanted resonance, the P6KE56A-E3/73 might not be suitable. In such cases, consider lower capacitance TVS diodes specifically designed for high-speed data lines, or use the P6KE56A-E3/73 only in the power rail protection where its contribution is less critical, and a fast transient response is paramount.
In a high-density power module utilizing multiple Vishay P6KE56A-E3/73 TVS diodes for surge protection, what are the critical thermal management considerations to prevent exceeding its 175°C junction temperature limit during simultaneous transient events?
The Vishay P6KE56A-E3/73 has a high peak pulse power rating of 600W, but this is for a single 10/1000µs pulse. In dense designs, if multiple P6KE56A-E3/73 devices experience simultaneous or closely spaced transient events, their individual power dissipation can lead to significant heat buildup. The 175°C junction temperature limit is critical. Ensure adequate PCB copper area is allocated to each P6KE56A-E3/73 for thermal spreading, especially if they are mounted close together. Consider airflow or heatsinking if the expected frequency or amplitude of transients is high enough to approach continuous power dissipation limits for the device, or if multiple devices might be activated concurrently, risking exceeding the thermal budget.
When considering the Vishay P6KE56A-E3/73 for industrial equipment exposed to potential electrostatic discharge (ESD) events exceeding 7.8A peak pulse current, what are the reliability implications and alternative strategies?
The P6KE56A-E3/73 is rated for a peak pulse current of 7.8A (10/1000µs). While this offers significant protection, ESD events can sometimes exceed this rating, particularly in environments with high static buildup. Repeated exposure to ESD events close to or exceeding the 7.8A limit can degrade the P6KE56A-E3/73 over time, potentially leading to a reduced standoff voltage or even a short circuit, compromising downstream component protection. For applications with severe ESD risk, consider using a TVS diode with a higher peak pulse current rating, or implement a multi-stage protection scheme. This could involve a lower power, lower clamping voltage TVS in series with the P6KE56A-E3/73, or a more robust transient voltage suppression solution entirely.
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P6KE56A-E3/73 CAD Models
Vishay General Semiconductor - Diodes Division P6KE56A-E3/73 PCB symbols & footprints
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