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SK24_R1_00001
Panjit International Inc.
DIODE SCHOTTKY 40V 2A SMB
28411 Pcs New Original In Stock
Diode 40 V 2A Surface Mount SMB (DO-214AA)
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Minimum 1
5.0 / 5.0
- (499 Ratings)
SK24_R1_00001
Product Overview
12964948
DiGi Electronics Part Number
SK24_R1_00001-DGManufacturer
Panjit International Inc.
SK24_R1_00001
Description
DIODE SCHOTTKY 40V 2A SMBInventory
28411 Pcs New Original In Stock
Diode 40 V 2A Surface Mount SMB (DO-214AA)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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SK24_R1_00001 Technical Specifications
Category
Diodes, Rectifiers, Single Diodes
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Technology
Schottky
Voltage - DC Reverse (Vr) (Max)
40 V
Current - Average Rectified (Io)
2A
Voltage - Forward (Vf) (Max) @ If
500 mV @ 2 A
Speed
Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr
90 µA @ 40 V
Capacitance @ Vr, F
-
Mounting Type
Surface Mount
Package / Case
DO-214AA, SMB
Supplier Device Package
SMB (DO-214AA)
Operating Temperature - Junction
-55°C ~ 150°C
Base Product Number
SK24
Datasheet & Documents
HTML Datasheet
SK24_R1_00001-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
3757-SK24_R1_00001CT
3757-SK24_R1_00001TR
3757-SK24_R1_00001DKR
Standard Package
800
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
每次需要協助時，DiGi Electronics都能提供迅速且有效的支援，讓我很放心。
Dec 02, 2025
我很喜歡DiGi Electronics的價格，平價品質又不打折，服務也很親切。
Dec 02, 2025
DiGi電子的售後團隊總是迅速回應，我的問題都能妥善解決，很安心。
Dec 02, 2025
Their dedicated support team ensures all my queries are resolved quickly and efficiently.
Dec 02, 2025
The company's commitment to after-sales service is outstanding.
Dec 02, 2025
The team at DiGi Electronics is always courteous and eager to help.
Dec 02, 2025
Their affordable prices make it easy for me to expand my electronic inventory without financial strain.
Dec 02, 2025
Their professional support team patiently helps me troubleshoot and optimize my DIY setups.
Dec 02, 2025
They provide high-quality electronics at attractive prices, and their support team is always ready to help.
Dec 02, 2025
Overall, I am very satisfied with their after-sales support and delivery speed.
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Frequently Asked Questions (FAQ)
Can the SK24_R1_00001 Schottky diode be safely used in a 36V DC motor drive circuit with frequent start-stop cycles, and what thermal management considerations apply given its 2A average current rating?
Yes, the SK24_R1_00001 is suitable for 36V DC motor drives due to its 40V reverse voltage margin, but thermal derating is critical. At 2A continuous load, power dissipation reaches ~1W (based on 500mV Vf), which can push junction temperatures near limits in high-ambient environments. Use a thermally enhanced PCB layout with adequate copper pour and avoid enclosed spaces without airflow. Monitor case temperature—keep below 125°C to maintain reliability over repeated cycling.
What are the risks of replacing the SK24_R1_00001 with a Vishay SS24-E3/52T in a high-efficiency buck converter, and how do their reverse leakage characteristics compare at elevated temperatures?
While both are 40V/2A SMB Schottky diodes, the SS24-E3/52T has higher reverse leakage (~1mA @ 25°C, rising sharply above 100°C) compared to the SK24_R1_00001’s 90µA @ 40V. In a buck converter operating above 80°C, this difference can increase standby losses by 10–15%, reducing overall efficiency. Additionally, the SS24 may exhibit softer recovery, increasing EMI risk. Only substitute if thermal headroom and efficiency targets allow for higher leakage.
How does the SK24_R1_00001 perform under reverse polarity protection in automotive 12V systems where load dumps can exceed 40V, and what additional protection is recommended?
The SK24_R1_00001’s 40V Vr(max) is insufficient for direct use in automotive 12V systems exposed to ISO 7637-2 load dumps (which can reach 40–60V). Relying solely on this diode risks catastrophic failure. Implement a TVS diode (e.g., SMAJ33A) upstream or use the SK24_R1_00001 in series with a higher-voltage blocking diode. This ensures the Schottky handles only steady-state reverse blocking while the TVS clamps transients.
Is the SK24_R1_00001 a drop-in replacement for the ON Semiconductor MBR240VLSFT1G in a solar microinverter’s bypass application, considering long-term reliability at 150°C junction temperature?
Mechanically and electrically similar, but long-term reliability differs. The MBR240VLSFT1G is rated for 175°C max junction temperature and uses a more robust metallization system optimized for high-temp cycling. The SK24_R1_00001, while rated to 150°C, may experience accelerated degradation if operated continuously near this limit in solar environments with daily thermal cycles. For mission-critical installations, prefer the MBR240VLSFT1G or add heatsinking to keep SK24_R1_00001 junction temps below 125°C.
What layout practices minimize parasitic inductance when using the SK24_R1_00001 in a 2A synchronous rectifier circuit to avoid voltage spikes during fast turn-off?
Minimize loop area between the SK24_R1_00001, output capacitor, and ground plane by placing the diode as close as possible to the switching node. Use short, wide traces and avoid vias in the high-di/dt path. Pair with a low-ESR ceramic capacitor (<10mm away) to absorb high-frequency energy. Even minor inductance (e.g., 10nH) can generate 20V+ spikes at 2A/10ns edges—exceeding the 40V rating. A grounded copper pour beneath the diode also reduces EMI and improves thermal performance.
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.
SK24_R1_00001 CAD Models
Panjit International Inc. SK24_R1_00001 PCB symbols & footprints
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