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P4SMA11A
NextGen Components
TVS Diode 400W 11V UNI SMA
300296 Pcs New Original In Stock
15.6V Clamp Ipp Tvs Diode Surface Mount DO-214AC, SMA
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5.0 / 5.0
- (266 Ratings)
P4SMA11A
Product Overview
2052632
DiGi Electronics Part Number
P4SMA11A-DGManufacturer
NextGen Components
P4SMA11A
Description
TVS Diode 400W 11V UNI SMAInventory
300296 Pcs New Original In Stock
15.6V Clamp Ipp Tvs Diode Surface Mount DO-214AC, SMA
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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P4SMA11A Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
Tape & Reel (TR)
Series
SMA
Product Status
Active
Type
Zener
Unidirectional Channels
1
Voltage - Reverse Standoff (Typ)
9.4V
Voltage - Breakdown (Min)
10.5V
Voltage - Clamping (Max) @ Ipp
15.6V
Power - Peak Pulse
400W
Power Line Protection
No
Applications
General Purpose
Operating Temperature
-50°C ~ 150°C (TJ)
Mounting Type
Surface Mount
Package / Case
DO-214AC, SMA
Supplier Device Package
DO-214AC, SMA
Datasheet & Documents
HTML Datasheet
P4SMA11A-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-P4SMA11ATR
Standard Package
5,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Ils offrent une sélection riche qui couvre tous les aspects de notre pedagogie.
Dec 02, 2025
毎回、配送の正確さとアフターサポートの質に感心しています。
Dec 02, 2025
Their affordability makes them my go-to electronics seller.
Dec 02, 2025
The after-sales team followed up to ensure I was satisfied, which I greatly appreciated.
Dec 02, 2025
My order was shipped immediately after purchase, and I received it within record time.
Dec 02, 2025
Their website is optimized for mobile devices, providing a seamless experience on any screen.
Dec 02, 2025
The customer service was prompt, making the entire experience seamless.
Dec 02, 2025
DiGi Electronics' fast dispatch ensures my production line runs smoothly without delays.
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Frequently Asked Questions (FAQ)
When designing in the P4SMA11A for power rail protection, what are the key risks of exceeding the 15.6V clamping voltage during a transient, especially with downstream 12V-rated components?
When using the P4SMA11A, the peak clamping voltage of 15.6V at Ipp means sensitive 12V components (e.g., regulators or microcontrollers) may still be exposed to overvoltage during fast transients. To mitigate risk, always verify downstream component surge tolerances and consider adding series impedance (like a small ferrite or resistor) to limit let-through current. Also, ensure PCB layout minimizes inductance in the TVS path to maintain effective clamping response.
How does the P4SMA11A compare to the SMAJ11A in terms of leakage current and thermal stability for high-temperature industrial designs?
While both the P4SMA11A and SMAJ11A have similar breakdown and clamping voltages, the P4SMA11A typically exhibits lower leakage current at elevated temperatures due to its Zener-type design from NextGen Components. In designs operating near 125°C, this can reduce standby power loss and prevent false triggering in high-impedance circuits. Always validate with actual board-level thermal testing, as parasitic heating in the SMA package can affect long-term reliability.
Can the P4SMA11A be used as a drop-in replacement for the P6SMB11A in existing designs, and what mechanical or electrical compatibility issues should I watch for?
The P4SMA11A is not a direct drop-in replacement for the P6SMB11A due to its smaller DO-214AC (SMA) package compared to the P6SMB11A’s DO-214AB (SMB). The reduced solder pad area in SMA may compromise thermal dissipation under repetitive transients. If replacing, confirm current pulse profile doesn’t exceed the 400W peak pulse rating and update stencil design to ensure reliable solder joints, especially in thermally stressed environments.
What are the primary failure modes of the P4SMA11A when exposed to repetitive ESD strikes below its rated Ipp, and how can I improve long-term reliability?
Even with ESD pulses below the P4SMA11A's Ipp threshold, cumulative damage can occur due to localized heating in the silicon junction, leading to increased leakage or drift in breakdown voltage. To improve reliability, pair the P4SMA11A with upstream current-limiting resistors or use it as a secondary protector behind a polymer ESD suppressor. Also ensure low-inductance grounding to prevent voltage overshoot during fast events.
How does the 9.4V reverse standoff voltage of the P4SMA11A impact its usability on a noisy 9V DC power line, and are there common misapplications to avoid?
The P4SMA11A's 9.4V reverse standoff voltage leaves minimal margin for use on a 9V nominal line with ripple or load-dump noise—any sustained voltage above 9.4V may cause partial conduction, leading to premature aging. Avoid using it directly on unregulated 9V supplies; instead, select a higher standoff TVS like the P4SMA13A. Alternatively, validate worst-case operating voltage including ripple and temperature coefficients before selecting the P4SMA11A for 9V rail protection.
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.
P4SMA11A CAD Models
NextGen Components P4SMA11A PCB symbols & footprints
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