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P6SMB27A
NextGen Components
TVS Diode 600W 27V UNI SMB
20213 Pcs New Original In Stock
37.5V Clamp Ipp Tvs Diode Surface Mount SMB (DO-214AA)
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5.0 / 5.0
- (139 Ratings)
P6SMB27A
Product Overview
2056853
DiGi Electronics Part Number
P6SMB27A-DGManufacturer
NextGen Components
P6SMB27A
Description
TVS Diode 600W 27V UNI SMBInventory
20213 Pcs New Original In Stock
37.5V Clamp Ipp Tvs Diode Surface Mount SMB (DO-214AA)
Quantity
Minimum 1
Minimum 1
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P6SMB27A Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
Tape & Reel (TR)
Series
SMB
Product Status
Active
Type
Zener
Unidirectional Channels
1
Voltage - Reverse Standoff (Typ)
23.1V
Voltage - Breakdown (Min)
25.7V
Voltage - Clamping (Max) @ Ipp
37.5V
Power - Peak Pulse
600W
Power Line Protection
No
Applications
General Purpose
Operating Temperature
-65°C ~ 150°C (TJ)
Mounting Type
Surface Mount
Package / Case
DO-214AA, SMB
Supplier Device Package
SMB (DO-214AA)
Datasheet & Documents
HTML Datasheet
P6SMB27A-DG
Environmental & Export Classification
RoHS Status
RoHS Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.10.0080
Additional Information
Other Names
3372-P6SMB27ATR
Standard Package
6,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
每次訂購都能感受到DiGi電子快速且高效的物流服務，讓人很放心。
Dec 02, 2025
Die benutzerfreundliche Gestaltung der Webseite macht das Shoppen angenehm und unkompliziert.
Dec 02, 2025
Die Effizienz in der Logistik beeindruckt mich, meine Bestellung wurde am nächsten Tag geliefert.
Dec 02, 2025
Great affordability combined with trusted performance—DiGi is a brand I trust.
Dec 02, 2025
The after-sales service includes timely updates and follow-ups, leaving me confident in their reliability.
Dec 02, 2025
The packaging was minimalist and eco-conscious, reducing waste effectively.
Dec 02, 2025
Despite the affordable prices, DiGi Electronics doesn't compromise on packaging quality, which is fantastic.
Dec 02, 2025
Impressed by the quick shipping process, I was able to start my project without any delays.
Dec 02, 2025
Thanks to their price advantages, I can purchase a diverse range of components, and their support makes the process stress-free.
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Frequently Asked Questions (FAQ)
How does the P6SMB27A perform in high-temperature environments where the operating junction temperature approaches 150°C, and what design considerations should be taken to ensure reliable clamping in such conditions?
The P6SMB27A is rated for a maximum operating junction temperature of 150°C, making it suitable for high-temperature environments. However, as temperature increases, the clamping voltage can drift slightly due to the Zener effect's temperature coefficient. To ensure reliable protection near the upper limit, design engineers should derate the peak pulse power capability accordingly and verify thermal performance through PCB copper layout—adding sufficient thermal vias and copper pour to dissipate heat. Avoid placing near heat-generating components and validate performance under worst-case ambient conditions to mitigate risk of premature failure or inconsistent clamping during ESD or surge events.
Can the P6SMB27A be used as a direct replacement for the SMAJ27A in a 24V DC power rail protection circuit, and what are the key differences affecting system reliability?
While both the P6SMB27A and SMAJ27A are unidirectional 600W TVS diodes with similar standoff voltages, the P6SMB27A has a lower clamping voltage (37.5V max vs. ~42.1V for SMAJ27A). This means the P6SMB27A may offer better protection for sensitive downstream components on a 24V rail by limiting overvoltage exposure. However, ensure current surge requirements (Ipp) are within the P6SMB27A's capability—verify pulse waveform and duration compatibility. Also confirm PCB footprint compatibility (both are SMB/DO-214AA), but validate leakage current and temperature behavior across operating conditions, as minor parameter differences could affect long-term reliability in harsh environments.
What risks arise when using the P6SMB27A for signal line protection instead of power line protection, and how can unintended clamping be prevented?
The P6SMB27A is optimized for general-purpose and power-related transient suppression, not signal line protection. Its relatively high clamping voltage (37.5V) and capacitance (not specified but typical of Zener-based 600W SMB devices) can distort high-speed signals or interfere with normal operation on low-voltage signal lines like RS-485 or CAN. For signal lines operating below 30V, unintended triggering during normal transients or ringing may occur. To prevent this, use the P6SMB27A only on power rails (e.g., 24V control circuits), and select low-capacitance, signal-optimized TVS diodes such as the SP3014UN or SRV05-4 for data lines to ensure signal integrity while maintaining ESD robustness.
How does the low leakage current of the P6SMB27A affect battery-powered designs, and what precautions should be taken during PCB assembly and storage?
The P6SMB27A exhibits low reverse leakage current under normal operating conditions, making it suitable for battery-powered systems where standby current is critical. However, leakage increases with temperature and proximity to breakdown voltage—ensure the operating voltage stays well below 25.7V (min breakdown) to avoid excess quiescent drain. During PCB assembly, follow MSL1 handling guidelines—store in dry conditions and assemble within moisture-safe duration even though it's moisture insensitive. Avoid prolonged exposure to high humidity pre-reflow, as flux residues or contamination near the SMB package can lead to surface leakage paths, counteracting the diode’s low-leakage advantage.
When comparing the P6SMB27A to the SMA6J27A for industrial surge protection, what trade-offs exist in clamping performance and surge robustness?
Both the P6SMB27A and SMA6J27A are unidirectional 600W SMB TVS diodes with similar voltage ratings, but the SMA6J27A is often tested to higher surge standards (e.g., IEC 61000-4-5 10/1000μs). The P6SMB27A’s clamping voltage is 37.5V, while the SMA6J27A clamps slightly higher (~39.8V), meaning the P6SMB27A offers marginally better protection for 24V systems. However, the SMA6J27A may demonstrate better cyclic surge endurance due to its design focus on industrial robustness. For critical applications requiring repeated surge events, validate individual manufacturer test data. Use the P6SMB27A where tighter clamping is prioritized, but evaluate long-term reliability under repetitive stress if the environment exceeds typical ESD or lightning surge exposure.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
P6SMB27A CAD Models
NextGen Components P6SMB27A PCB symbols & footprints
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