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- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for PAA140S
- Part Number PAA140S
- Manufacturer LITTELFUSE
- Pin Count 8
- Last Modified Date Jan 21, 2026 2:00 PM UTC
- Pinout / Pin List Click Here (Member Only)
PAA140S Details
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Manufacturer Part Number:
PAA140S
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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HTS Code:
8541.40.95.00
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Manufacturer:
Littelfuse Inc
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YTEOL:
6.88
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Additional Feature:
UL RECOGNIZED
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Configuration:
SEPARATE, 2 CHANNELS
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Control Current:
0.005 A
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Control Voltage:
0.9 V
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Forward Current-Max:
0.05 A
PAA140S Frequently Asked Questions (FAQs)
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The recommended PCB layout for optimal performance of the PAA140S includes keeping the device as close to the power source as possible, using a solid ground plane, and minimizing the length of the leads to reduce inductance and parasitic capacitance.
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To select the correct fuse rating, consider the maximum current rating of the circuit, the voltage rating, and the ambient temperature. It's also important to consider the fuse's melting integral (I²t) and the let-through energy (I²t) to ensure the fuse can handle the maximum fault current.
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The PAA140S is a high-speed fuse with a fast response time, making it suitable for high-reliability applications. It has a smaller footprint compared to other fuses, making it ideal for compact designs. Additionally, it has a higher interrupting rating and a lower voltage drop compared to other similar fuses.
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The PAA140S is rated for operation up to 125°C, but its performance may degrade at higher temperatures. It's recommended to derate the fuse's current rating according to the temperature derating curve provided in the datasheet to ensure reliable operation.
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To ensure proper soldering, follow the recommended soldering profile and use a solder with a melting point above 180°C. Apply a small amount of solder to the pads and use a soldering iron with a temperature of 250-270°C. Avoid applying excessive force or heat, which can damage the fuse.
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PAA140S Overview
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