Products > Circuit Protection > Fuses > TRF250-145
  • TRF250-145
LITTELFUSE

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TRF250-145

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PolySwitch Resettable Devices Telecommunications & Networking Devices

  • Package/Case :
  • DIP-2
  • Product Categories :
  • PTC Resettable Fuses
  • RoHs Status:
  • Lead free/RoHS Compliant
  • In-stock:
  • 208

Quantity  

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TRF250-145 Product Details

Our PolySwitch families of telecommunications and networking devices help meet the growing demand for resettable overcurrent protection.These product families help provide protection against damage caused by power cross and power induction surges as defined in ITU, Telcordia GR1089 and UL60950. Our offering includes chip, surface-mount and radial-leaded configurations.

Feature

  • Resettable overcurrent protection
  • Surface-mount, radial-leaded, and chip form factors
  • Fast time-to-trip
  • Agency recognition: UL, CSA, TÜV
  • Resistance sorted and matched devices available
  • Low parasitic capacitance/flat impedance with frequency
Benefits:

  • Many product choices give engineers increased design flexibility
  • Compatible with high-volume electronics assembly
  • Help improve line balance
  • Applicable for legacy POTS and modern digital communications equipment

Applications

  • Modems
  • Phone sets
  • Fax machines
  • Phone wall outlets
  • Alarm systems
  • PBX systems
  • MDF modules
  • Analog and digital line cards
  • T1/E1 equipment
  • xDSL modems and splitters
  • Powered Ethernet systems
  • VoIP (Voice over Internet Protocol) equipment
  • LAN, WAN equipment
  • Customer premise equipment
  • Access network hardware

Technical Parameters

  • Current Rating
  • 3 A
  • Resistance
  • 14 Ohms
  • Maximum Voltage DC
  • 60 V
  • Hold Current
  • 0.145 A
  • Mounting Style
  • Through Hole
  • Termination Style
  • Radial
  • Trip Current
  • 0.29 A
  • Lead Spacing
  • 5 mm
  • Series
  • TRF250
  • Operating Temperature Range
  • - 40 C to + 85 C
  • Current Rating (Max)
  • 3 A
  • Dimensions
  • 11 mm L x 6.5 mm W x 4.6 mm H
  • Maximum Voltage
  • 60 VDC
  • Packaging
  • Bulk
  • Factory Pack Quantity
  • 500
  • Type
  • PolySwitch Resettable Fuses
  • Part # Aliases
  • RF0021-000

TRF250-145 Documents

TRF250-145 Related Products

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Estimated Delivery Time: Oct 27 - Nov 01 days (choose Expedited at checkout).

Shipping & Payment

Shipping

  • Shipping Type
  • Ship Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


Payment

  • Terms of payment
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • https://www.paypal.com/
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • https://www.westernunion.com/
  • charge US$0.00 banking fee.
  • http://global.moneygram.com/

We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.

Packing

  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing

Guarantees

1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

FAQ:

Q: How does Jotrin guarantee that TRF250-145 is the original manufacturer or agent of LITTELFUSE?
We have a professional business development department to strictly test and verify the qualifications of LITTELFUSE original manufacturers and agents. All LITTELFUSE suppliers must pass the qualification review before they can publish their TRF250-145 devices; we pay more attention to the channels and quality of TRF250-145 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of TRF250-145 chips? Including LITTELFUSE original factory information, PTC Resettable Fuses application, TRF250-145 pictures?
You can use Jotrin's intelligent search engine, or filter by PolySwitch Resettable PTCs ; Telecom ; TRF250 category, or find it through Littelfuse Inc Information page.
Q: Are the LITTELFUSE's TRF250-145 price and stock displayed on the platform accurate?
The LITTELFUSE's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for TRF250-145, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of TRF250-145?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the TRF250145 we delivered, we will accept the replacement or return of the TRF250-145 only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of TRF250-145.
(3)The TRF250-145 is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as TRF250-145 datasheet pdf, TRF250 pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

Littelfuse Inc

Littelfuse
Littelfuse offers innovative circuit protection solutions. Wherever you look, Littelfuse is there. Streetlights, office buildings, cars, trucks, factories, computers, heating and cooling systems, electronic games, telecommunications equipment, even the satellites in the sky are protected by Littelfu...
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