Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
DSS24
SMC Diode Solutions
40V, 2A, SO-D-123FL, DIODE SCHO
185271 Pcs New Original In Stock
Diode 40 V 2A Surface Mount SOD-123FL
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (331 Ratings)
DSS24
Product Overview
13241105
DiGi Electronics Part Number
DSS24-DGManufacturer
SMC Diode Solutions
DSS24
Description
40V, 2A, SO-D-123FL, DIODE SCHOInventory
185271 Pcs New Original In Stock
Diode 40 V 2A Surface Mount SOD-123FL
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
DSS24 Technical Specifications
Category
Diodes, Rectifiers, Single Diodes
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Technology
Schottky
Voltage - DC Reverse (Vr) (Max)
40 V
Current - Average Rectified (Io)
2A
Voltage - Forward (Vf) (Max) @ If
550 mV @ 2 A
Speed
Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr
500 µA @ 40 V
Capacitance @ Vr, F
80pF @ 4V, 1MHz
Mounting Type
Surface Mount
Package / Case
SOD-123F
Supplier Device Package
SOD-123FL
Operating Temperature - Junction
-55°C ~ 150°C
Datasheet & Documents
Datasheets
Download DSS24 Product Specification (PDF)
HTML Datasheet
DSS24-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Affected
Additional Information
Other Names
-1765-DSS24CT
-1765-DSS24DKR
1655-DSS24TR
1655-DSS24CT
1655-DSS24DKR
Standard Package
3,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Die Verpackung war umweltfreundlich, und das hat meinen Eindruck von DiGi Electronics noch verbessert.
Dec 02, 2025
Das After-Sales-Team bei DiGi Electronics ist sehr professionell und lösungsorientiert.
Dec 02, 2025
The help center contains comprehensive guides that enhance the overall experience.
Dec 02, 2025
DiGi Electronics always keeps me updated with accurate tracking information.
Dec 02, 2025
Customer service response times are impressively fast, addressing any concerns promptly.
Dec 02, 2025
Very rapid delivery and prompt customer support made this shopping experience excellent.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
Can the DSS24 Schottky diode be used as a drop-in replacement for the Vishay VS-2EWH04-M3 in a 2A, 3.3V output buck converter, and what design risks should I consider?
The DSS24 is electrically compatible with the Vishay VS-2EWH04-M3 in terms of 40V reverse voltage and 2A forward current ratings, and both share the SOD-123FL package, enabling physical drop-in replacement. However, the DSS24 has a higher reverse leakage current (500 µA @ 40V vs. ~200 µA for the Vishay part), which may increase standby power loss in low-load conditions. Additionally, its forward voltage (550 mV @ 2A) is slightly higher, leading to marginally greater conduction losses. Verify thermal performance under full load, especially in compact layouts with limited copper area, as increased losses could raise junction temperature and affect long-term reliability in high-ambient environments.
What are the thermal design implications of using the DSS24 in a high-density PCB layout where adjacent components limit airflow and copper pour size?
The DSS24’s SOD-123FL package has limited thermal mass and relies heavily on PCB copper for heat dissipation. In high-density layouts with restricted copper area or minimal airflow, the junction temperature can rise significantly under continuous 2A operation, potentially exceeding safe limits even at moderate ambient temperatures. To mitigate this, use at least two thermal vias under the cathode pad connected to an internal ground plane or larger copper pour. Monitor actual thermal resistance (θJA) in your specific layout—empirical testing or thermal simulation is recommended. If temperatures exceed 125°C, consider derating the current or switching to a larger package like SMC or TO-277 for better thermal performance.
How does the DSS24 compare to the Diodes Inc. B140-13-F in terms of reverse recovery behavior and suitability for high-frequency switching applications above 100 kHz?
While both the DSS24 and Diodes Inc. B140-13-F are labeled as fast recovery Schottky diodes, the DSS24 has a specified reverse recovery time of ≤500 ns (for I₀ > 200 mA), whereas the B140-13-F typically exhibits faster switching due to optimized carrier lifetime control. At switching frequencies above 100 kHz, the DSS24 may generate more switching noise and EMI due to its relatively slower recovery and 80pF junction capacitance at 4V. For high-frequency DC-DC converters or RF rectification, the B140-13-F is generally preferred. If using the DSS24, add snubber circuits or gate drive filtering to suppress voltage spikes and ensure stable operation in noise-sensitive systems.
Is the DSS24 suitable for reverse polarity protection in a 24V industrial input rail with occasional voltage transients up to 35V, and what protection circuitry is recommended?
The DSS24’s 40V maximum reverse voltage rating provides only a 5V margin above 35V transients, which is insufficient for reliable long-term operation in industrial environments where inductive kickback or load dump events can exceed nominal transients. Operating near the absolute maximum rating increases the risk of premature failure due to avalanche stress. For robust reverse polarity protection on a 24V rail, use the DSS24 in series with a TVS diode (e.g., SMAJ33A) clamped below 36V and consider a parallel Schottky crowbar circuit for redundancy. Alternatively, evaluate higher-voltage alternatives like the 60V-rated DSS36 if board space permits, to improve safety margin and system reliability.
Given the DSS24’s MSL 1 rating, can it be stored and assembled in a non-climate-controlled production environment without risk of moisture-related defects during reflow?
Yes, the DSS24’s Moisture Sensitivity Level (MSL) 1 rating means it is classified as 'unlimited floor life' under JEDEC standards, allowing safe storage and handling in ambient factory conditions without dry packing or baking. This makes it ideal for high-mix, low-volume production lines without controlled humidity. However, ensure standard ESD precautions are followed during assembly, as the SOD-123FL package is small and susceptible to handling damage. While moisture is not a concern, avoid prolonged exposure to temperatures above 150°C before reflow, and follow the recommended reflow profile to prevent thermal shock or solder joint defects.
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.
DSS24 CAD Models
SMC Diode Solutions DSS24 PCB symbols & footprints
productDetail
