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SMCJ26A-E3/57T
Vishay General Semiconductor - Diodes Division
TVS DIODE 26VWM 42.1VC DO214AB
2031 Pcs New Original In Stock
42.1V Clamp 35.6A Ipp Tvs Diode Surface Mount DO-214AB (SMCJ)
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5.0 / 5.0
- (364 Ratings)
SMCJ26A-E3/57T
Product Overview
1058770
DiGi Electronics Part Number
SMCJ26A-E3/57T-DGManufacturer
Vishay General Semiconductor - Diodes Division
SMCJ26A-E3/57T
Description
TVS DIODE 26VWM 42.1VC DO214ABInventory
2031 Pcs New Original In Stock
42.1V Clamp 35.6A Ipp Tvs Diode Surface Mount DO-214AB (SMCJ)
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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SMCJ26A-E3/57T Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
Tape & Reel (TR)
Series
TransZorb®
Product Status
Active
Type
Zener
Unidirectional Channels
1
Voltage - Reverse Standoff (Typ)
26V
Voltage - Breakdown (Min)
28.9V
Voltage - Clamping (Max) @ Ipp
42.1V
Current - Peak Pulse (10/1000µs)
35.6A
Power - Peak Pulse
1500W (1.5kW)
Power Line Protection
No
Applications
General Purpose
Capacitance @ Frequency
-
Operating Temperature
-55°C ~ 150°C (TJ)
Mounting Type
Surface Mount
Package / Case
DO-214AB, SMC
Supplier Device Package
DO-214AB (SMCJ)
Base Product Number
SMCJ26
Datasheet & Documents
HTML Datasheet
SMCJ26A-E3/57T-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
SMCJ26AE357T
SMCJ26A-E3/57T-DG
SMCJ26A-E3/57TGITR
SMCJ26A-E3/57TGIDKR
SMCJ26A-E3/57TGICT
Standard Package
850
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
They maintain high standards in inventory control, which I greatly appreciate.
de desembre 02, 2025
DiGi Electronics offers budget-friendly options without compromising on quality, making them my go-to choice.
de desembre 02, 2025
Timely delivery and attentive support set DiGi Electronics apart.
de desembre 02, 2025
The environmentally conscious packaging demonstrates their dedication to sustainability and affordability.
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Frequently Asked Questions (FAQ)
When designing in the SMCJ26A-E3/57T for industrial power line surge protection, what design risks should be considered given its 42.1V clamping voltage and 1500W peak pulse rating?
When integrating the SMCJ26A-E3/57T into industrial systems with potential lightning-induced surges, ensure the 42.1V clamping voltage does not exceed downstream component tolerances—especially for 24V logic systems operating near 30V maximum. Verify using actual Ipp estimates from expected surge levels (e.g., IEEE C62.41 Cat C). Derate the 1500W pulse capability for repetitive events and high ambient temperatures above 85°C to avoid thermal runaway. Always pair with a current-limiting fuse or PTC and consider board layout for minimal inductance to maintain fast response during transient events.
Can the SMCJ26A-E3/57T replace the SMAJ26A in a high-reliability outdoor sensor application, and what are the key trade-offs?
Yes, the SMCJ26A-E3/57T can replace the SMAJ26A in higher surge environments due to its 1500W (vs. 400W) peak pulse power rating, making it more robust for severe transients. However, the SMCJ26A-E3/57T's larger DO-214AB package takes more PCB space than SMAJ26A's DO-214AC. Ensure your layout accommodates the footprint and review thermal dissipation for sustained transient exposure. The higher Ipp (35.6A vs. ~9A) improves survivability in automotive or industrial settings but adds capacitance concerns in high-speed lines—though this is less critical for DC power protection.
How does the SMCJ26A-E3/57T perform under sustained overvoltage conditions just above its 26V standoff, and what failure modes should designers anticipate?
The SMCJ26A-E3/57T is designed for transient suppression, not continuous overvoltage. Exposure to voltages above 28.9V breakdown—even at low current—can cause thermal accumulation due to leakage current, leading to thermal runaway. At 30V sustained, the device may conduct enough to overheat without triggering full clamping. Use the SMCJ26A-E3/57T only with upstream overvoltage protection (e.g., crowbar circuit or OVP IC) in systems prone to regulator faults. Monitor junction temperature in enclosures above 85°C ambient to prevent premature degradation.
What PCB layout practices are critical when integrating the SMCJ26A-E3/57T for maximum TVS effectiveness in automotive load-dump suppression?
For automotive load-dump protection, place the SMCJ26A-E3/57T as close as possible to the entry point (connector or harness) to minimize trace inductance, which can cause voltage overshoot beyond the 42.1V clamp. Use wide, short traces (≥20 mils) and connect to ground plane via multiple vias near the cathode. Avoid daisy-chaining ground returns with sensitive circuits. Include margin in the design—load-dump pulses can exceed 400 ms duration and degrade TVS performance over time. Confirm system-level TVS coordination with battery management or ECU protection schemes to avoid cascading failures.
How does the SMCJ26A-E3/57T compare to the Littelfuse SMAJ26CA in bidirectional surge scenarios, and is it suitable as a drop-in replacement?
The SMCJ26A-E3/57T is unidirectional, while the SMAJ26CA is bidirectional—making them unsuitable as direct replacements in AC or bipolar signal paths. In DC applications with polarity-defined transients, the SMCJ26A-E3/57T offers higher surge robustness (35.6A vs. 9.0A Ipp, 1500W vs. 400W). If replacing SMAJ26CA in a bidirectional circuit, you must redesign for unipolar clamp configuration or select a bidirectional equivalent like the SMCJ26CA. Always validate polarity assumptions and transient directionality in your system to avoid misapplication.
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.
SMCJ26A-E3/57T CAD Models
Vishay General Semiconductor - Diodes Division SMCJ26A-E3/57T PCB symbols & footprints
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