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P4SMA160CA
NextGen Components
TVS Diode 400W 160V BI SMA
26143 Pcs New Original In Stock
219V Clamp Ipp Tvs Diode Surface Mount DO-214AC, SMA
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Minimum 1
Minimum 1
5.0 / 5.0
- (288 Ratings)
P4SMA160CA
Product Overview
2052914
DiGi Electronics Part Number
P4SMA160CA-DGManufacturer
NextGen Components
P4SMA160CA
Description
TVS Diode 400W 160V BI SMAInventory
26143 Pcs New Original In Stock
219V Clamp Ipp Tvs Diode Surface Mount DO-214AC, SMA
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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P4SMA160CA 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)
136V
Voltage - Breakdown (Min)
152V
Voltage - Clamping (Max) @ Ipp
219V
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
P4SMA160CA-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-P4SMA160CATR
Standard Package
5,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
DiGi Electronics se distingue par son engagement pour une logistique verte et efficace.
Dec 02, 2025
DiGi Electronics überzeugt mich durch ihre hochwertigen Produkte und den freundlichen Kundendienst. Sehr zufrieden!
Dec 02, 2025
I appreciate the upfront pricing, which simplifies our procurement process.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the P4SMA160CA in a high-temperature industrial environment near its maximum junction temperature of 150°C?
When designing in the P4SMA160CA for environments approaching 150°C, thermal derating becomes critical. Although the device is rated for this junction temperature, sustained high ambient temperatures combined with power dissipation during transient events can lead to thermal runaway if PCB copper layout doesn't provide adequate heat dissipation. Use at least 25 mm² of 1 oz copper pad connection to each terminal for effective thermal management. Also, avoid placing the P4SMA160CA near other heat-generating components, as localized heating may exceed safe operating limits even if the average board temperature appears acceptable. Monitor thermal performance under worst-case surge test conditions to validate reliability.
How does the P4SMA160CA compare to the SMAJ160A for bidirectional transient protection in terms of clamping voltage and robustness in automotive applications?
The P4SMA160CA and SMAJ160A both offer 160V nominal breakdown and 400W pulse handling, but the P4SMA160CA has a lower maximum clamping voltage (219V vs SMAJ160A's 225V), providing slightly better protection for sensitive downstream components like microcontrollers or transceivers. However, the SMAJ160A typically comes from more established suppliers with broader AEC-Q101 validation, while P4SMA160CA’s compliance depends on the specific batch. For automotive designs requiring full qualification, verify with the manufacturer whether the P4SMA160CA meets AEC-Q101 requirements. Otherwise, in cost-sensitive or non-automotive applications, the tighter clamping of P4SMA160CA provides a design advantage.
Can the P4SMA160CA reliably protect a 136V DC power rail from induced surges in industrial control systems, and what are the risks of false triggering?
Yes, the P4SMA160CA is suitable for 136V DC rail protection since its reverse standoff voltage matches the nominal line voltage, and breakdown begins at 152V—above normal operation. However, false triggering risks arise if the system experiences repetitive voltage transients near 152V or if supply fluctuations exceed tolerance. To prevent degradation from partial clamping, use the P4SMA160CA only in circuits where transients are infrequent (<1000 events over product life). For noisy environments, consider adding series impedance (e.g., a small resistor or ferrite bead) to limit current during minor spikes. Also, ensure the power supply’s inrush and load dump behavior never exceed 219V, even momentarily, to avoid stress during clamping.
Is the P4SMA160CA a viable drop-in replacement for the SP4SMA160CA from a different manufacturer, and what integration issues should I watch for?
The P4SMA160CA can generally replace the SP4SMA160CA as both are bidirectional 400W SMA devices with similar electrical ratings, but subtle parametric shifts may affect reliability. Key differences may include lower surge current capability (Ipp) or higher leakage current in certain lots of P4SMA160CA—verify with test data before full substitution. Also, check MSL and packaging: while both are MSL1, confirm the P4SMA160CA has been stored properly if purchased through third-party channels. Be cautious about moisture absorption during reflow; although MSL1 allows indefinite floor life, long-term storage in humid environments may necessitate baking if packaging is compromised. Always perform a side-by-side transient response test at Ipp = 2.18A (from 8/20μs pulse) to verify equivalent clamping performance.
What PCB layout practices minimize failure risks when using the P4SMA160CA for signal line transient protection?
To avoid unintended failure modes with the P4SMA160CA in signal protection roles, keep traces from the protected node to the P4SMA160CA as short and direct as possible—ideally under 10 mm—to minimize added inductance that increases clamping voltage during fast transients. Use wide traces (≥0.5 mm) and avoid vias between the device and the protected line. Route the ground connection to a low-impedance plane with multiple vias near the cathode terminal to reduce ground bounce. Additionally, place the P4SMA160CA before any filtering (e.g., EMI chokes) to ensure surges are clamped before reaching sensitive components. This layout minimizes parasitic inductance and ensures the P4SMA160CA activates quickly and effectively during ESD or EFT events.
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.
P4SMA160CA CAD Models
NextGen Components P4SMA160CA PCB symbols & footprints
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