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SMD1150PL-TPS02
Micro Commercial Co
Interface
5261 Pcs New Original In Stock
Diode 150 V 1A Surface Mount SOD-123FL
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Minimum 1
5.0 / 5.0
- (371 Ratings)
SMD1150PL-TPS02
Product Overview
12995953
DiGi Electronics Part Number
SMD1150PL-TPS02-DGManufacturer
Micro Commercial Co
SMD1150PL-TPS02
Description
InterfaceInventory
5261 Pcs New Original In Stock
Diode 150 V 1A Surface Mount SOD-123FL
Quantity
Minimum 1
Minimum 1
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SMD1150PL-TPS02 Technical Specifications
Category
Diodes, Rectifiers, Single Diodes
Packaging
Bulk
Series
-
Product Status
Active
Technology
Schottky
Voltage - DC Reverse (Vr) (Max)
150 V
Current - Average Rectified (Io)
1A
Voltage - Forward (Vf) (Max) @ If
850 mV @ 1 A
Speed
Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr
10 µA @ 150 V
Capacitance @ Vr, F
30pF @ 4V, 1MHz
Mounting Type
Surface Mount
Package / Case
SOD-123F
Supplier Device Package
SOD-123FL
Operating Temperature - Junction
-55°C ~ 150°C
Base Product Number
SMD1150
Datasheet & Documents
HTML Datasheet
SMD1150PL-TPS02-DG
Environmental & Export Classification
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.10.0080
Additional Information
Other Names
353-SMD1150PL-TPS02
Standard Package
1
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
Digi的產品品質一向令人放心，售後服務也讓我感到非常貼心。
грудня 02, 2025
Die Beratung am Telefon war freundlich und sehr informativ.
грудня 02, 2025
Their timely shipments help keep my project schedules on track.
грудня 02, 2025
Their support team provides personalized assistance that really makes a difference.
грудня 02, 2025
You get great value for money with their well-designed packaging and reasonable prices.
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Frequently Asked Questions (FAQ)
Can the SMD1150PL-TPS02 replace a SS14 Schottky diode in a high-frequency boost converter design considering leakage current and thermal performance?
Yes, the SMD1150PL-TPS02 can serve as a viable replacement for the SS14 in high-frequency boost converters, but key trade-offs must be evaluated. Both are 1A Schottky diodes in SOD-123FL packages, but the SMD1150PL-TPS02 has a higher reverse leakage current—10 µA @ 150V vs. SS14’s typical 0.5 µA @ 40V—which becomes a concern in low-power or battery-operated applications. Additionally, while both support fast switching, the SMD1150PL-TPS02’s 150V rating offers greater headroom in 12V–48V systems, improving long-term reliability under voltage transients. Ensure thermal performance is validated at peak load, as the SOD-123FL package has limited heat dissipation; consider PCB copper layout for heatsinking to avoid junction temperatures exceeding 150°C.
What design risks should I consider when using the SMD1150PL-TPS02 near its 150V reverse voltage limit in an automotive environment?
When operating the SMD1150PL-TPS02 close to its 150V maximum reverse voltage in automotive applications, design risks include transient overvoltage events (e.g., load dump or inductive kickback) that can exceed 150V and cause catastrophic failure. Although rated for 150V DC, real-world automotive circuits often see spikes beyond this; consider adding a transient voltage suppression (TVS) diode or selecting a higher-voltage alternative if transients are expected. Also, verify leakage current behavior over temperature—reverse leakage can increase significantly near 150°C junction temperature, leading to parasitic power loss or circuit instability. Use a safety margin of at least 20% (i.e., limit operating voltage to 120V) for robust design-in.
How does the forward voltage drop of the SMD1150PL-TPS02 impact efficiency in a 1A DC-DC buck converter at elevated temperatures?
The SMD1150PL-TPS02 has a maximum forward voltage drop of 850 mV at 1A, which directly impacts power loss (P = Vf × I = 0.85W) and efficiency in a 1A buck converter. At elevated temperatures, Vf typically decreases slightly in Schottky diodes, but increased reverse leakage can offset gains, especially in synchronous designs where the diode conducts during dead time. To maximize efficiency, compare with lower Vf alternatives like the SBM130ALT1G (600 mV @ 1A), but ensure the lower Vr (30V) fits your application. If using SMD1150PL-TPS02, optimize thermal management with adequate PCB copper to maintain junction temperature below 125°C and minimize resistive losses.
Is the SMD1150PL-TPS02 suitable for reverse polarity protection in a 24V industrial control circuit, and what are the thermal implications under continuous load?
The SMD1150PL-TPS02 is suitable for reverse polarity protection in 24V systems due to its 150V reverse rating and 1A current capability, providing a safe margin over nominal voltage. However, when used as a series diode, its 850 mV forward drop at 1A results in 0.85W of continuous power dissipation, which the SOD-123FL package cannot sustain without proper thermal design. In still air, this can lead to junction temperatures exceeding 150°C. Mitigate thermal risk by using the diode in a parallel configuration (with current-sharing resistors), selecting a higher-current through-hole alternative like the 1N5819, or replacing it with a MOSFET-based ideal diode solution for improved efficiency and thermal performance.
What are the reliability concerns when substituting the SMD1150PL-TPS02 for the MBR1100 in high-temperature power supply designs?
Substituting the SMD1150PL-TPS02 for the MBR1100 (a 1A, 100V Schottky in SMA package) introduces reliability concerns primarily due to package and thermal differences. While both are 1A Schottky diodes, the SMD1150PL-TPS02 uses the smaller SOD-123FL package, which has less thermal mass and lower power dissipation capability than the SMA-footprinted MBR1100. At high ambient temperatures near 125°C, the SMD1150PL-TPS02's junction temperature can exceed 150°C under continuous 1A load without sufficient PCB heatsinking. Additionally, the higher 150V rating improves surge tolerance but doesn’t compensate for inferior thermal performance. If using SMD1150PL-TPS02 as replacement, validate thermal design with thermal vias, increased copper area, and consider derating current to 0.7A for long-term reliability.
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SMD1150PL-TPS02 CAD Models
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