3D Models
Note! To download footprints and symbols, use the build and request forms below
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- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for PAA191S
- Part Number PAA191S
- Manufacturer LITTELFUSE
- Last Modified Date Jan 21, 2026 2:00 PM UTC
- Pinout / Pin List Click Here (Member Only)
PAA191S Details
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Manufacturer Part Number:
PAA191S
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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
PAA191S Frequently Asked Questions (FAQs)
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The recommended PCB layout for optimal performance of the PAA191S 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 fault current rating. Also, consider the ambient temperature, the type of load, and the desired response time to fault conditions.
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The maximum operating temperature range for the PAA191S is -40°C to 125°C, but it's recommended to derate the fuse current rating at higher temperatures to ensure reliable operation.
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Yes, the PAA191S is designed to withstand high-vibration environments, but it's recommended to follow proper mounting and installation procedures to ensure reliable operation.
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The PAA191S meets various safety standards, including UL, CSA, and IEC. Ensure that the device is used within its specified ratings and follow the manufacturer's guidelines for installation and operation to meet the required safety standards.
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PAA191S Overview
Use the download button to access the PAA191S 3D model. You can still request or build the schematic symbol and PCB footprint by using the respective build or request forms on this page.
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