16R500GU Allicdata Electronics
Allicdata Part #:

F3183-ND

Manufacturer Part#:

16R500GU

Price: $ 0.46
Product Category:

Circuit Protection

Manufacturer: Littelfuse Inc.
Short Description: PTC RESET FUSE 16V 5A RADIAL
More Detail: Polymeric PTC Resettable Fuse 16V 5A Ih Through Ho...
DataSheet: 16R500GU datasheet16R500GU Datasheet/PDF
Quantity: 1862
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
1 +: $ 0.40950
5 +: $ 0.39942
10 +: $ 0.38682
50 +: $ 0.32558
100 +: $ 0.27027
250 +: $ 0.24570
500 +: $ 0.20885
1000 +: $ 0.18428
5000 +: $ 0.16585
Stock 1862Can Ship Immediately
$ 0.46
Specifications
Series: POLY-FUSE®, 16R
Packaging: Bulk 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Type: Polymeric
Voltage - Max: 16V
Current - Max: 100A
Current - Hold (Ih) (Max): 5A
Current - Trip (It): 8.5A
Time to Trip: 2s
Resistance - Initial (Ri) (Min): 15 mOhms
Resistance - Post Trip (R1) (Max): 34 mOhms
Operating Temperature: -40°C ~ 85°C
Ratings: --
Mounting Type: Through Hole
Package / Case: Radial, Disc
Size / Dimension: 0.409" L x 0.118" W (10.40mm x 3.00mm)
Height - Seated (Max): 0.563" (14.30mm)
Thickness (Max): --
Lead Spacing: 0.201" (5.10mm)
Approvals: cURus, TUV
Description

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PTC Resettable Fuses are widely used in various applications for over current protection. The 16R500GU is one of the most common resettable fuses, suitable for small current applications. It is used in power supplies, cell phone chargers, and other consumer electronics.

Overview

The 16R500GU PTC Resettable Fuse is a one-piece, self-resetting fuse, housed in a hermetically sealed Nylon 66 UL 94V-2 case. It is also designed with an axial and radial lead configuration, making it highly versatile. The fuse is designed with a very high current capacity that allows it to operate for more than 7,000 cycles. Furthermore, it features an internal circuit that detects overloads, shorts or high in-rush currents that cause the fuse to automatically reset.

Applications

The 16R500GU resettable fuse is mainly used in power supplies, cell phone chargers, and other consumer electronics. It is most commonly used in applications that require protection from over current, over voltage, short-circuits, and in-rush current. It can provide protection from over-current currents up to 500A, and from short-circuit currents up to 120A. Additionally, it is used in applications that require periodic overload protection or an intermittent overload protection.

Advantages

The 16R500GU PTC Resettable Fuse offers many advantages over traditional fuse solutions. First, its integrated design eliminates the need for an additional reset button, making it easy to install and cost-effective. Furthermore, its self-resetting feature ensures that its protection is continuous, even when experiencing short-circuits or high in-rush currents. Finally, its compact size makes it suitable for tight spaces, while its internal circuit ensures high reliability and accuracy in detecting and resetting overloads.

Working Principle

The working principle of the 16R500GU PTC Resettable Fuse is fairly simple. It is designed with a polarized heat source (typically nickel-cadmium-cobalt) and an analog temperature control circuit. When an overload current occurs, the heat source causes a temperature increase, which is detected by the temperature control circuit. The temperature control circuit then triggers a reset, allowing the fuse to reset and allowing the current to return to its normal level.

Conclusion

The 16R500GU PTC Resettable Fuse is a one-piece, self-resetting fuse, suitable for various small current applications. It offers many advantages over traditional fuse solutions, including its integrated design, self-resetting feature, compact size, and high accuracy and reliability. Its working principle is based on a polarized heat source and an analog temperature control circuit, which ensures its protection from various overloads, shorts, and in-rush currents. The 16R500GU PTC Resettable Fuse is an excellent choice for power supplies, cell phone chargers, and other consumer electronics.

The specific data is subject to PDF, and the above content is for reference

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