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SMA6J154CA-TR
STMicroelectronics
TVS DIODE 154VWM 265VC SMA
30404 Pcs New Original In Stock
265V Clamp 12.6A (8/20µs) Ipp Tvs Diode Surface Mount SMA (DO-214AC)
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Minimum 1
5.0 / 5.0
- (390 Ratings)
SMA6J154CA-TR
Product Overview
8168564
DiGi Electronics Part Number
SMA6J154CA-TR-DGManufacturer
STMicroelectronics
SMA6J154CA-TR
Description
TVS DIODE 154VWM 265VC SMAInventory
30404 Pcs New Original In Stock
265V Clamp 12.6A (8/20µs) Ipp Tvs Diode Surface Mount SMA (DO-214AC)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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SMA6J154CA-TR Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
-
Series
SMA6J, TRANSIL™
Product Status
Obsolete
Type
Zener
Bidirectional Channels
1
Voltage - Reverse Standoff (Typ)
154V
Voltage - Breakdown (Min)
171V
Voltage - Clamping (Max) @ Ipp
265V
Current - Peak Pulse (10/1000µs)
12.6A (8/20µs)
Power - Peak Pulse
600W
Power Line Protection
No
Applications
General Purpose
Capacitance @ Frequency
-
Operating Temperature
-55°C ~ 175°C (TJ)
Mounting Type
Surface Mount
Package / Case
DO-214AC, SMA
Supplier Device Package
SMA (DO-214AC)
Base Product Number
SMA6J
Datasheet & Documents
HTML Datasheet
SMA6J154CA-TR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.10.0080
Additional Information
Other Names
SMA6J154CA-TR-DG
497-7885-2
-497-7885-1
-497-7885-2
497-7885-1
497-7885-6
SMA6J154CATR
Standard Package
5,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
Die schnelle Zustellung bei DiGi Electronics macht das Einkaufen sehr angenehm, die Qualität der Produkte ist beeindruckend.
December 02, 2025
Ich bin begeistert von der preislichen Vorteilhaftigkeit bei DiGi Electronics. Gute Qualität zu einem fairen Preis – unschlagbar.
December 02, 2025
ディジエレクトロニクスは価格が他店よりも優れており、経済的です。
December 02, 2025
The consistency and reliability of their products make my DIY endeavors safer and easier.
December 02, 2025
I received my order very quickly, and their support team was immediately responsive.
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Frequently Asked Questions (FAQ)
Can I use the SMA6J154CA-TR as a drop-in replacement for the 5.0SMLJ160CA-TP in a high-transient industrial power line application, and what design risks should I consider?
While both the SMA6J154CA-TR and 5.0SMLJ160CA-TP are bidirectional TVS diodes in SMA packages, direct replacement carries risks. The SMA6J154CA-TR has a lower reverse standoff voltage (154V vs 160V) and a tighter breakdown threshold, increasing the chance of premature conduction in marginally overvoltage scenarios. Additionally, the 5.0SMLJ160CA-TP is rated for 5,000W peak power vs 600W for the SMA6J154CA-TR, making it far more robust in high-energy transients. Use the SMA6J154CA-TR only if transient energy is confirmed below 600W and voltage margins are carefully derated by at least 20%. Monitor clamping voltage under real load to prevent unintended stress on downstream components like microcontrollers or sensors.
Is the SMA6J154CA-TR suitable for motor drive gate protection in a 120VAC control circuit with inductive kickback concerns?
The SMA6J154CA-TR can provide secondary protection in 120VAC motor gate circuits but requires careful integration. Its 154V reverse standoff aligns near the peak voltage of 120VAC (~170V), risking thermal stress during normal operation or minor surges. Use the SMA6J154CA-TR downstream of a primary varistor or in combination with series impedance to limit follow current. Ensure clamping at 265V won't exceed the voltage rating of sensitive gate drivers (e.g., IRS21844). For robust inductive load switching, consider adding RC snubbers in parallel to reduce high-frequency ringback that the SMA6J154CA-TR may not suppress effectively due to its unidirectional transient response limitation.
What are the reliability implications of using the obsolete SMA6J154CA-TR in a new medical device design intended for 10+ year lifecycle support?
Using the obsolete SMA6J154CA-TR in long-lifecycle medical devices introduces significant supply chain risks. While currently in stock (30,300 pcs), future availability is not guaranteed, potentially disrupting field repairs or production. For medical applications requiring long-term reliability, we recommend redesigning with active-series alternatives like the SM8S150CA or LTV150P140CBMR2G, which have extended availability and comparable clamping specs. If retaining SMA6J154CA-TR, purchase lifetime buy inventory with moisture barrier packaging (MSL1-rated) and validate solder joint reliability under thermal cycling per IEC 60601-1 compliance requirements.
How does the SMA6J154CA-TR perform in high-temperature environments such as automotive underhood modules, and what PCB layout practices minimize thermal runaway risk?
The SMA6J154CA-TR has a junction temperature rating up to 175°C, making it theoretically suitable for underhood use. However, its 600W peak pulse power derates significantly above 85°C ambient. To avoid thermal runaway, implement wide copper pours (≥ 250 mils) connected to both anode and cathode pads for heat spreading—avoid daisy-chaining traces. Place the device away from primary heat sources like power converters. Use thermal vias under the PCB pad if possible (though SMA package has limited thermal pad access). Consider adding a temperature sensor near the device if repetitive transients are expected, as sustained clamping at high ambient temperatures can accelerate degradation.
What are the key design-in trade-offs between using the SMA6J154CA-TR and a MOVs-based protection circuit for AC surge suppression in a smart meter?
The SMA6J154CA-TR offers faster response time (<1ns) and precise clamping at 265V, ideal for protecting sensitive metering ICs like the STPMS2. However, its 600W rating limits surge endurance compared to MOVs (e.g., VDRS10P221K60R) that handle multi-kA surges but degrade over time. Use the SMA6J154CA-TR as secondary protection behind a primary MOV to benefit from hybrid robustness. Without upstream current limiting, the SMA6J154CA-TR may fail short during sustained overvoltage, potentially causing fire risk in Class I equipment. Always fuse the line side appropriately and verify coordination between device clamping levels and insulation ratings in accordance with IEC 61000-4-5.
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.
SMA6J154CA-TR CAD Models
STMicroelectronics SMA6J154CA-TR PCB symbols & footprints
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