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P6SMB200A
NextGen Components
TVS Diode 600W 200V UNI SMB
39007 Pcs New Original In Stock
274V Clamp Ipp Tvs Diode Surface Mount SMB (DO-214AA)
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5.0 / 5.0
- (238 Ratings)
P6SMB200A
Product Overview
2056884
DiGi Electronics Part Number
P6SMB200A-DGManufacturer
NextGen Components
P6SMB200A
Description
TVS Diode 600W 200V UNI SMBInventory
39007 Pcs New Original In Stock
274V Clamp Ipp Tvs Diode Surface Mount SMB (DO-214AA)
Quantity
Minimum 1
Minimum 1
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P6SMB200A Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
-
Series
SMB
Product Status
Active
Type
Zener
Unidirectional Channels
1
Voltage - Reverse Standoff (Typ)
171V
Voltage - Breakdown (Min)
190V
Voltage - Clamping (Max) @ Ipp
274V
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
P6SMB200A-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-P6SMB200ATR
Standard Package
6,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
정확하고 빠른 배송 덕분에 업무에 큰 도움이 됐어요. 제품도 매우 만족스럽습니다.
грудня 02, 2025
디자인은 간단하지만 가격이 착해서 가성비 최고인 브랜드입니다.
грудня 02, 2025
Leur grande disponibilité de produits simplifie considérablement mon travail, et leur support après-vente est très professionnel.
грудня 02, 2025
注文した翌日に発送されて、速さに感動しました。商品も期待通りです。
грудня 02, 2025
Highly reliable in shipping and packaging—DiGi Electronics never disappoints.
грудня 02, 2025
I am always satisfied with DiGi Electronics’ attention to packaging and customer care.
грудня 02, 2025
The real-time updates in their tracking system are very helpful.
грудня 02, 2025
Their eco-friendly packaging makes me feel like I'm making a responsible choice.
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Frequently Asked Questions (FAQ)
What are the key design risks when using the P6SMB200A TVS diode for protecting a 12V automotive electronics line, and how can I mitigate false triggering or insufficient clamping?
The P6SMB200A has a reverse standoff voltage of 171V and a minimum breakdown of 190V, which is far above typical 12V automotive systems—making it unsuitable for direct 12V line protection due to excessive clamping thresholds. If used in this context, transient events like load dump (which peaks around 40V) may not trigger the P6SMB200A at all, leaving downstream circuits unprotected. Instead, select a TVS with a standoff closer to 14–18V (e.g., SMAJ15A or P6SMB15A). If you're constrained to the P6SMB200A due to inventory, verify that your downstream components can survive up to 274V clamping voltage and ensure no lower-voltage transients go unclamped. Always validate with ISO 7637-2 pulse testing to confirm system-level immunity.
Can the P6SMB200A be used as a drop-in replacement for the Littelfuse SMBJ200A in a 48V industrial power supply input stage, and what layout considerations are critical?
While both the P6SMB200A and SMBJ200A share similar electrical specs (600W peak pulse, 200V standoff, 274V max clamp), the P6SMB200A is unidirectional whereas the SMBJ200A is bidirectional—making it unsafe as a direct replacement in AC-coupled or floating 48V systems where reverse polarity transients may occur. In a strictly DC-positive rail with known polarity, the P6SMB200A can function, but you must ensure the PCB layout minimizes loop inductance: place it within 5mm of the input connector, use wide traces, and connect directly to a solid ground plane. Failure to do so increases effective clamping voltage due to inductive overshoot, potentially exceeding the 274V spec under fast transients.
How does the thermal performance of the P6SMB200A compare to the Vishay SMA6J200A under repeated ESD or surge events in a high-temperature environment (125°C ambient)?
The P6SMB200A is rated for junction temperatures up to 150°C and has an MSL 1 rating, indicating robust moisture resistance, but its 600W peak power is a 10/1000µs waveform rating—not continuous. Under repeated surges at 125°C ambient, thermal accumulation can degrade performance faster than the Vishay SMA6J200A, which uses a more thermally efficient die attach and has better derating curves in datasheet graphs. For high-duty-cycle transient environments (e.g., motor drives with frequent inductive kick), consider derating the P6SMB200A by 30% in energy handling or switching to a higher-power package like the 1.5kW SMCJ200A. Always include thermal vias under the cathode pad to improve heat sinking.
Is the P6SMB200A suitable for protecting RS-485 communication lines in outdoor industrial installations exposed to lightning-induced surges, and what additional circuitry is needed?
No, the P6SMB200A is not appropriate for RS-485 line protection. Its 171V standoff and 274V clamp voltage are too high for typical RS-485 transceivers (which operate at ±12V and tolerate only ±15V max). Applying the P6SMB200A would allow damaging voltages to reach the IC before clamping occurs. Instead, use a low-capacitance, bidirectional TVS array like the SM712-01ETG or PESD1CAN. If lightning surge compliance (e.g., IEC 61000-4-5) is required, combine a gas discharge tube (GDT) or series inductor with a lower-voltage TVS in a multi-stage protection scheme. The P6SMB200A could only serve as a secondary stage on the power rail feeding the RS-485 transceiver, not on the signal lines themselves.
What are the reliability implications of using the P6SMB200A in a high-vibration automotive under-hood application, and how does its DO-214AA package affect long-term solder joint integrity?
The P6SMB200A in the DO-214AA (SMB) package is surface-mount and susceptible to solder joint fatigue under high vibration and thermal cycling—common in under-hood environments. While MSL 1 ensures no moisture-related failures during assembly, mechanical stress from engine vibration can crack solder joints over time, especially if the PCB lacks proper strain relief or uses thin substrates. To improve reliability, use a conformal coating to dampen vibration, implement a rigid-flex or reinforced PCB stack-up, and avoid placing the P6SMB200A near board edges or connectors. Consider switching to a through-hole variant like the 1.5KE200A for extreme environments, or add mechanical anchoring with non-conductive epoxy if the SMB footprint must be retained.
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.
P6SMB200A CAD Models
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