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P4SMA11CA
NextGen Components
TVS Diode 400W 11V BI SMA
23778 Pcs New Original In Stock
15.6V Clamp Ipp Tvs Diode Surface Mount DO-214AC, SMA
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5.0 / 5.0
- (331 Ratings)
P4SMA11CA
Product Overview
2052463
DiGi Electronics Part Number
P4SMA11CA-DGManufacturer
NextGen Components
P4SMA11CA
Description
TVS Diode 400W 11V BI SMAInventory
23778 Pcs New Original In Stock
15.6V Clamp Ipp Tvs Diode Surface Mount DO-214AC, SMA
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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P4SMA11CA Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
Tape & Reel (TR)
Series
SMA
Product Status
Active
Type
Zener
Bidirectional 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
P4SMA11CA-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-P4SMA11CATR
Standard Package
5,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
每次購買的物流效率都令人驚訝，補貨速度極快。
Dec 02, 2025
品質絕對是我選擇在此購物的最大原因，每次都很滿意。
Dec 02, 2025
包装がしっかりしていて、商品が壊れる心配がありませんでした。
Dec 02, 2025
The durability of their products, combined with reasonable pricing, makes DiGi Electronics stand out.
Dec 02, 2025
Their after-sales support team is always responsive and helpful whenever I need assistance.
Dec 02, 2025
The after-sales response time was impressive; they handled my concerns professionally.
Dec 02, 2025
Packaging materials used were of high quality, protecting the item perfectly during shipping.
Dec 02, 2025
DiGi Electronics' prices provide great access to quality technology for everyone.
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Frequently Asked Questions (FAQ)
When designing in the P4SMA11CA, how do I ensure the clamp voltage won't exceed sensitive IC limits during ESD events?
When integrating the P4SMA11CA into PCB designs with low-voltage ICs (e.g., 3.3V microcontrollers), ensure the maximum clamping voltage of 15.6V under peak pulse current (Ipp) won't damage downstream components. Use a series current-limiting resistor or combine with a lower-voltage TVS stage for multi-level protection. Always simulate transient response using the P4SMA11CA's I-V curve to verify clamping behavior aligns with your IC’s absolute maximum ratings.
Can the P4SMA11CA replace a SMAJ11CA in an existing design, and what are the key risks?
The P4SMA11CA can typically replace the SMAJ11CA as both are bidirectional 400W SMA TVS diodes with similar voltage ratings. However, verify the P4SMA11CA's higher clamping voltage (15.6V max vs SMAJ11CA's 15.0V) won't stress protected circuits. Check thermal performance under repetitive surges—compare thermal resistance and ensure the P4SMA11CA's DO-214AC package can dissipate heat adequately in your board layout.
What PCB layout considerations minimize inductance and improve P4SMA11CA response time in fast transient protection?
To maximize P4SMA11CA effectiveness in ESD or fast transient (e.g., IEC 61000-4-2) protection, minimize trace length between the diode and protected line. Use short, wide traces and connect the ground path via multiple vias close to the device to reduce parasitic inductance. Place the P4SMA11CA as close as possible to the entry point (e.g., connector), and avoid daisy-chaining protection devices to prevent voltage overshoot due to delayed clamping.
How does the P4SMA11CA perform under repetitive surge conditions, and what are the reliability concerns?
The P4SMA11CA is rated for 400W peak pulse power, but repetitive surges close to its maximum clamping voltage (15.6V) can accelerate wear-out due to thermal cycling. Derate the device by 50% for frequent transients and verify junction temperature remains below 125°C under worst-case conditions. Use thermal vias under the P4SMA11CA's ground pad to improve heat dissipation and extend service life in harsh environments.
Is the P4SMA11CA suitable for automotive CAN bus protection given its bidirectional Zener type and standoff voltage?
While the P4SMA11CA is bidirectional with a 9.4V reverse standoff voltage—suitable for 12V systems—its 15.6V clamping voltage may be too high for modern CAN transceivers with 16V absolute max ratings, leaving minimal margin. For automotive CAN bus, consider dedicated low-capacitance TVS devices like the SP1203 or ISO7637-2-compliant protectors instead. If using P4SMA11CA, verify transient response and clamping under load dump simulations to avoid latent damage.
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.
P4SMA11CA CAD Models
NextGen Components P4SMA11CA PCB symbols & footprints
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