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P4SMAJ110A
Diotec Semiconductor
TVS SMA 110V 400W UNIDIR
2227 Pcs New Original In Stock
177V Clamp 2.3A Ipp Tvs Diode Surface Mount SMA (DO-214AC)
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (328 Ratings)
P4SMAJ110A
Product Overview
9446602
DiGi Electronics Part Number
P4SMAJ110A-DGManufacturer
Diotec Semiconductor
P4SMAJ110A
Description
TVS SMA 110V 400W UNIDIRInventory
2227 Pcs New Original In Stock
177V Clamp 2.3A Ipp Tvs Diode Surface Mount SMA (DO-214AC)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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P4SMAJ110A Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Type
Zener
Unidirectional Channels
1
Voltage - Reverse Standoff (Typ)
110V
Voltage - Breakdown (Min)
122V
Voltage - Clamping (Max) @ Ipp
177V
Current - Peak Pulse (10/1000µs)
2.3A
Power - Peak Pulse
400W
Power Line Protection
No
Applications
General Purpose
Capacitance @ Frequency
-
Operating Temperature
-50°C ~ 150°C (TJ)
Mounting Type
Surface Mount
Package / Case
DO-214AC, SMA
Supplier Device Package
SMA (DO-214AC)
Datasheet & Documents
HTML Datasheet
P4SMAJ110A-DG
Environmental & Export Classification
RoHS Status
Not applicable
Moisture Sensitivity Level (MSL)
Not Applicable
REACH Status
Vendor Undefined
ECCN
EAR99
HTSUS
8541.10.0000
Additional Information
Other Names
2796-P4SMAJ110ATR
Standard Package
7,500
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
Je n’ai jamais rencontré de problème, leur gamme et leur service sont toujours impeccables.
грудня 02, 2025
Affordable prices and a friendly team make every experience worthwhile.
грудня 02, 2025
The professionalism in their packaging process is evident and appreciated.
грудня 02, 2025
The after-sales team is always ready to help, demonstrating real care and expertise.
грудня 02, 2025
I appreciate the reliability of DiGi Electronics; their products seldom fail and maintain high performance.
грудня 02, 2025
Efficient shipping and responsive support made this a five-star experience.
грудня 02, 2025
They maintain high standards of logistics efficiency, ensuring consistent service delivery.
грудня 02, 2025
DiGi Electronics demonstrates excellent control over delivery schedules.
грудня 02, 2025
I am impressed with how quickly my order was shipped out, ensuring I received it on time.
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Frequently Asked Questions (FAQ)
When designing in the P4SMAJ110A for surge protection in a 100V DC rail, what are the key risks if the transient peak pulse current exceeds 2.3A during an ESD or lightning event?
When using the P4SMAJ110A on a 100V DC rail, exceeding the 2.3A peak pulse current (Ipp) specified for 10/1000µs transients can lead to thermal overstress or catastrophic failure. The P4SMAJ110A is rated for 400W peak pulse power, but sustained or repetitive surges above datasheet conditions degrade reliability. To mitigate risk, consider using the P4SMAJ110A in conjunction with current-limiting components such as series resistors or PTCs, or evaluate parallel TVS configurations. For higher surge requirements, compare with the Littelfuse SMAJ110A, which offers similar clamping voltage but may have better surge robustness in some test profiles.
Can the P4SMAJ110A be used as a drop-in replacement for the SMAJ110A in existing designs, and are there any hidden compatibility risks with Diotec's version?
While the P4SMAJ110A appears pin-to-pin and electrically comparable to the SMAJ110A (e.g., 110V standoff, 177V max clamping), subtle differences in dynamic resistance, clamping consistency, and surge cycle endurance may exist due to Diotec's manufacturing process. Voltage breakdown tolerance and thermal response under repeated transients should be validated in-circuit. The P4SMAJ110A lacks explicit power line protection rating, so avoid direct use in AC mains-connected circuits. Always verify second-source compatibility with actual stress testing, especially in harsh environments.
How does the high operating temperature range (-50°C to 150°C TJ) of the P4SMAJ110A impact leakage current and long-term reliability in automotive underhood applications?
The P4SMAJ110A's wide operating temperature range supports automotive underhood use, but engineers must account for increased leakage current near 150°C, which can affect sensitive analog nodes or standby power budgets. In high-temp environments, sustained exposure to voltages near the 110V reverse standoff can accelerate degradation due to increased junction leakage and thermal runaway risk. To ensure reliability, derate the operating voltage by at least 15–20% at elevated temperatures and verify performance over temperature cycling per AEC-Q101 guidelines, even if the P4SMAJ110A is not formally qualified.
What are the PCB layout best practices when integrating the P4SMAJ110A to ensure effective transient suppression without introducing parasitic inductance?
To maximize the effectiveness of the P4SMAJ110A in transient suppression, minimize trace length between the protected line and the TVS, and keep ground connections short and wide. Avoid vias in the current path as they increase parasitic inductance, which can cause voltage overshoot beyond the 177V clamping level during fast transients. Use a solid ground plane and place the P4SMAJ110A as close as possible to the entry point of the transient (e.g., connector). Thermal pads should be properly soldered to handle peak pulses without cracking. Poor layout can negate the protection benefits, especially in fast EFT events.
If the P4SMAJ110A is exposed to repetitive 150V transients, what is the likelihood of latent failure and how can design-in testing detect this risk early?
Exposing the P4SMAJ110A to repetitive 150V transients—close to its 177V clamping voltage—can cause cumulative stress, leading to latent degradation such as increased leakage or reduced breakdown margin. Although each event may be within 400W peak rating, the device may experience wear-out over time, especially without adequate cooling. To detect early failure risks, perform application-level stress testing using repetitive 10/1000µs pulses at 80–100% of rated Ipp (e.g., 1.8–2.3A), monitoring leakage current before and after. Compare with baseline performance and consider burn-in testing for mission-critical systems to screen weak units.
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.
P4SMAJ110A CAD Models
Diotec Semiconductor P4SMAJ110A PCB symbols & footprints
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