Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
SMAJ26A-E3/5A
Vishay General Semiconductor - Diodes Division
TVS DIODE 26VWM 42.1VC DO214AC
112649 Pcs New Original In Stock
42.1V Clamp 9.5A Ipp Tvs Diode Surface Mount DO-214AC (SMA)
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (195 Ratings)
SMAJ26A-E3/5A
Product Overview
1042421
DiGi Electronics Part Number
SMAJ26A-E3/5A-DGManufacturer
Vishay General Semiconductor - Diodes Division
SMAJ26A-E3/5A
Description
TVS DIODE 26VWM 42.1VC DO214ACInventory
112649 Pcs New Original In Stock
42.1V Clamp 9.5A Ipp Tvs Diode Surface Mount DO-214AC (SMA)
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
SMAJ26A-E3/5A 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)
9.5A
Power - Peak Pulse
400W
Power Line Protection
No
Applications
General Purpose
Capacitance @ Frequency
-
Operating Temperature
-55°C ~ 150°C (TJ)
Mounting Type
Surface Mount
Package / Case
DO-214AC, SMA
Supplier Device Package
DO-214AC (SMA)
Base Product Number
SMAJ26
Datasheet & Documents
HTML Datasheet
SMAJ26A-E3/5A-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
SMAJ26A-E3/5AGITR
SMAJ26A-E3/5AGICT
SMAJ26A-E3/5A-DG
SMAJ26A-E3/5AGIDKR
Standard Package
7,500
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
웹사이트가 사용자 중심으로 설계돼 있어 편리하게 이용할 수 있어요.
Dec 02, 2025
Die Produkte überzeugen durch ihre hohe Qualität und machen einen sehr professionellen Eindruck.
Dec 02, 2025
Their customer service team is genuinely eager to ensure customer satisfaction.
Dec 02, 2025
The transparent pricing policy at DiGi Electronics makes it easy to make informed purchasing decisions.
Dec 02, 2025
Fast shipping, and I really appreciate the solid construction of the item, indicating great attention to quality.
Dec 02, 2025
I highly value their promptness and upfront pricing policies.
Dec 02, 2025
Their affordability and user experience are unmatched in the market.
Dec 02, 2025
We are always confident of their stock availability when planning our procurement.
Dec 02, 2025
They handle post-purchase queries efficiently, making me feel valued as a customer.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
What are the key design risks when using the SMAJ26A-E3/5A TVS diode for transient protection in a 24V automotive circuit?
When using the SMAJ26A-E3/5A in a 24V automotive system, the primary risk is nuisance tripping during cold crank events where voltage can dip below 6V, but more critically, load dump transients can exceed 40V. The SMAJ26A-E3/5A has a 42.1V clamping voltage, so it will conduct during severe load dumps. However, ensure the peak pulse current (9.5A max) and energy absorption (400W) are sufficient for the expected transient duration. Use in conjunction with a fuse or polyfuse to prevent thermal runaway if the TVS enters sustained conduction. Also confirm PCB layout includes short, direct paths to ground to minimize inductance and ensure fast response to transients.
How does the SMAJ26A-E3/5A compare to the SMA6J26A-TP in terms of surge reliability and thermal performance in high-temperature environments?
The SMAJ26A-E3/5A and SMA6J26A-TP both target similar voltage protection (26V standoff), but the SMAJ26A-E3/5A has a slightly higher clamping voltage (42.1V vs. 40.9V typical for SMA6J26A-TP) which may stress downstream circuits more during ESD or surge events. The SMAJ26A-E3/5A is rated for junction temperatures up to 150°C and MSL 1, making it more robust in high-temp and humid environments than some alternatives. However, the SMA6J26A-TP offers marginally better clamping performance and lower leakage, so if minimizing clamp voltage is critical, the SMA6J26A-TP may be preferable. Always verify thermal pad design on the PCB to ensure reliable heat dissipation, especially for repeated transient events.
Can the SMAJ26A-E3/5A replace the SM4T30AY in a 24V industrial control module, and what are the key electrical trade-offs?
Replacing the SM4T30AY with the SMAJ26A-E3/5A in a 24V system involves key trade-offs: the SM4T30AY has a higher reverse standoff voltage (30V vs. 26V), so the SMAJ26A-E3/5A may conduct earlier during voltage swells, risking premature activation. The SMAJ26A-E3/5A has a tighter breakdown range (28.9V min) and a lower clamping voltage (42.1V vs. 48.4V for SM4T30AY), offering better protection for sensitive downstream ICs. However, its lower standoff voltage requires tighter regulation of the supply rail. Only proceed if the nominal voltage stays below 26V and transients are within the 9.5A Ipp limit. Verify with real-world surge testing.
What PCB layout practices should be followed when integrating the SMAJ26A-E3/5A to ensure effective transient suppression?
To maximize the effectiveness of the SMAJ26A-E3/5A, use short, wide traces from the protected line to the TVS anode and keep the cathode connection to ground plane as direct as possible — avoid vias or daisy-chaining ground connections. Use a solid ground plane underneath the SMAJ26A-E3/5A to improve heat dissipation and reduce inductance. Place the device as close as possible to the entry point of the transient (e.g., connector or harness). Avoid placing sensitive signals near the TVS routing to prevent coupling during clamping. Consider using a split ground plane only if noise isolation is critical, but ensure a low-inductance bridge near the TVS.
Is the SMAJ26A-E3/5A suitable for protecting DC-DC converters in telecom power rails, and how does its 400W peak pulse rating affect long-duration surges?
The SMAJ26A-E3/5A is suitable for protecting 24V DC-DC converters in telecom applications where fast transients like ESD or EFT occur, but caution is required for long-duration surges exceeding 1ms. The 400W peak pulse rating is defined for 10/1000µs waveform, so energy dissipation drops significantly for longer events. If the surge lasts several milliseconds (e.g., power cross), the SMAJ26A-E3/5A may overheat due to limited thermal mass in the DO-214AC package. Pair it with upstream current-limiting components like PTCs or use in staged protection with a higher-energy suppressor (e.g., MOV) to absorb bulk energy, reserving the SMAJ26A-E3/5A for fast clamping.
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.
SMAJ26A-E3/5A CAD Models
Vishay General Semiconductor - Diodes Division SMAJ26A-E3/5A PCB symbols & footprints
productDetail
