Name: TRF250-145US
Brand: Littelfuse Inc.
SKU: TRF250-145US
Availability: InStock
Rating: 5 (101 reviews)

TRF250-145US

For Reference Only

Part Number	TRF250-145US
Manufacturer	Littelfuse Inc.
Description	POLYSWITCH PTC RESET 0.145A HOLD
Datasheet	TRF250-145US Datasheet TRF250-145US Specifications
Package	Radial, Disc
ECAD
In Stock	20,928 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Jun 16 - Jun 21 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # TRF250-145US (PTC Resettable Fuses) is manufactured by Littelfuse Inc. and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For TRF250-145US specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add TRF250-145US with quantity into BOM. Heisener.com does NOT require any registration to request a quote of TRF250-145US.

TRF250-145US Specifications

Manufacturer	Littelfuse Inc.
Category	Circuit Protection - PTC Resettable Fuses
Package	Radial, Disc
ECAD
Series	PolySwitch?, TRF250
Type	Polymeric
Voltage - Max	60V (250V Int)
Current - Max	3A
Current - Hold (Ih) (Max)	145mA
Current - Trip (It)	290mA
Time to Trip	4s
Resistance - Initial (Ri) (Min)	3.5 Ohms
Resistance - Post Trip (R1) (Max)	14 Ohms
Resistance - 25°C (Typ)	-
Operating Temperature	-40°C ~ 85°C
Ratings	-
Mounting Type	Through Hole
Package / Case	Radial, Disc
Size / Dimension	0.236" L x 0.150" W (6.00mm x 3.80mm)
Height - Seated (Max)	0.394" (10.00mm)
Thickness (Max)	-
Lead Spacing	0.197" (5.00mm)

TRF250-145US Datasheet

TRF250-145US Reviews

Gwe*****owen

March 23, 2023

★ ★ ★ ★ ★

Heisener has been the best in this industry for many years. Very quick and easy if you know what you are looking for. if you don't know exactly what you are looking for, you are going to be lost.

Bil*****Madan

March 21, 2023

★ ★ ★ ★ ★

Great condition, super kind person, quick shipping! and great price too!

Rylei*****stillo

February 19, 2023

★ ★ ★ ★ ★

These little guys worked perfect for my wiring project. Reliable, good quality.

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TRF250-145US Packaging

TRF250-145US FAQ

1. How to order TRF250-145US on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that TRF250-145US is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the TRF250-145US. All suppliers must pass our qualification reviews before they can publish their products including TRF250-145US on Heisener; we pay more attention to the channels and quality of TRF250-145US products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the TRF250-145US price and inventory displayed accurate?

The price and inventory of TRF250-145US fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of TRF250-145US?

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 TRF250-145US we delivered, we will accept the replacement or return of the TRF250-145US 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 TRF250-145US.

(3)The PartNo 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
7.How to contact us to get technical supports, such as TRF250-145US pin diagram, TRF250-145US datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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TRF250-145US Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

TRF250-145US

Littelfuse Inc

1000

Part Number	Manufacturer	Description	Stock
TRF250-145US-B-0.5	TE Connectivity	TLINE - Bag	0
TRF250-145US	TE Connectivity	RESET,60V MAX,3A,0.145A IHOLD,0.29A ITRIP,RADIAL,BULK,HAZMAT - Bag	0
TRF250-145USTP-B-0.5	TE Connectivity	TLINE - Bag	0

Part Number	Manufacturer	Description	Stock
TRF250-145US-B-0.5 D# TRF250-145US-B-0.5-ND	Littelfuse Inc	PTC RESET FUSE 60V 145MA RADIAL	1990
TRF250-145US D# TRF250-145US-ND	Littelfuse Inc	PTC RESET FUSE 60V 145MA RADIAL	1897
TRF250-145USTP-B-0.5 D# TRF250-145USTP-B-0.5-ND	Littelfuse Inc	PTC RESET FUSE 60V 145MA RADIAL	1960

Part Number

Manufacturer

Description

Stock

TRF250-145US-B-0.5

Littelfuse Inc

RoHS: Compliant

pbFree: Yes

TRF250-145US

Littelfuse Inc

RoHS: Compliant

pbFree: Yes

Part Number

Manufacturer

Description

Stock

TRF250145USTPB05

TE Connectivity

OEM/CM ONLY

2100

Part Number

Manufacturer

Description

Stock

TRF250-145US-B-0.5

D# NS-TRF250-145US-B-0.5

TE Connectivity

OEM/CM ONLY

7774

Part Number	Manufacturer	Description	Stock
TRF250145USTPB0.5	Littelfuse Inc	OEM/CM ONLY	2055
TRF250145US	TE Connectivity	OEM/CM ONLY	1016
TRF250145USB0.5	TE Connectivity	OEM/CM ONLY	2085

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TRF250-145US

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