Allicdata Part #: | VLP190UF-ND |
Manufacturer Part#: |
VLP190UF |
Price: | $ 0.00 |
Product Category: | Circuit Protection |
Manufacturer: | Littelfuse Inc. |
Short Description: | PTC RESET FUSE 16V 1.9A STRAP |
More Detail: | Polymeric PTC Resettable Fuse 16V 1.9A Ih User Def... |
DataSheet: | VLP190UF Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 2A (4 Weeks) |
1 +: | 0.00000 |
Series: | PolySwitch®, VLP |
Packaging: | Bulk |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | Polymeric |
Voltage - Max: | 16V |
Current - Max: | 60A |
Current - Hold (Ih) (Max): | 1.9A |
Current - Trip (It): | 4.7A |
Time to Trip: | 5s |
Resistance - Initial (Ri) (Min): | 21 mOhms |
Resistance - Post Trip (R1) (Max): | 72 mOhms |
Operating Temperature: | -- |
Ratings: | -- |
Mounting Type: | User Defined |
Package / Case: | Strap |
Size / Dimension: | 1.004" L x 0.906" W (25.50mm x 23.00mm) |
Height - Seated (Max): | -- |
Thickness (Max): | 0.276" (7.00mm) |
Lead Spacing: | -- |
Approvals: | CSA, TUV, UL |
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PTC Resettable Fuses are a class of circuit protection devices used to limit the current in an electronic circuit. They work by limiting the current flow through the device, and when the current reaches a limit the fuse “opens” and remains in the open position. This prevents further current flow within the circuit and protects other components from damage caused by excessive current.
VLP190UF is one of the most popular PTC Resettable Fuses available on the market. The VLP190UF is rated for 210V @ 8A (10A peak) and is UL recognized to UL1977 standards. This device is available in both axial and radial configuration, and is available in a wide variety of sizes. The VLP190UF can be used in a variety of applications, including power supplies, motors, toys, HVAC, lighting, and more.
The working principle of the VLP190UF is based on a positive temperature coefficient (PTC) thermistor. This thermistor can be likened to a resistor in its function. However, its temperature characteristics differ from that of a resistor, in that when the temperature increases, the resistance increases as well.
In the case of the VLP190UF, the PTC thermistor is placed in series with a load. When the current flowing through the device reaches its rated value (8A in the case of the VLP190UF) the PTC thermistor heats up due to the loss of current from the load. The increased temperature in turn causes the resistance of the PTC thermistor to increase, limiting the current passing through it. When the current reaches the set value, the PTC thermistor will remain open, preventing further current flow in the circuit.
The VLP190UF is a great choice for a variety of applications thanks to its wide variety of sizes, ratings, and UL1977 certification. It is easy to install, and provides overcurrent protection for everything from power supplies to motors, toys, HVAC systems, and much more.
The specific data is subject to PDF, and the above content is for reference
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