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HomeProductsCircuit ProtectionPTC Resettable FusesTRF250-180-2
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TRF250-180-2 - Littelfuse Inc.

Manufacturer Part Number
TRF250-180-2
Manufacturer
Littelfuse
Allelco Part Number
32D-TRF250-180-2
ECAD Model
Parts Description
PTC RESET FUSE 100V 180MA RADIAL
Package
Radial, Disc
Data sheet
Telecom/Networking Devices Catalog.pdf
TRF250-180 Spec.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 67410

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Specifications

TRF250-180-2 Tech Specifications
Littelfuse Inc. - TRF250-180-2 technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - TRF250-180-2

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Max 100V (250V Int)  
Type Polymeric  
Time to Trip 2 s  
Thickness (Max) -  
Size / Dimension 0.354' Dia x 0.150' T (9.00mm x 3.80mm)  
Series PolySwitch®, TRF250  
Resistance - Post Trip (R1) (Max) 4 Ohms  
Resistance - Initial (Ri) (Min) 800 mOhms  
Ratings -  
Product Attribute Attribute Value  
Package / Case Radial, Disc  
Package Tape & Reel (TR)  
Operating Temperature -40°C ~ 85°C  
Mounting Type Through Hole  
Lead Spacing 0.200' (5.08mm)  
Height - Seated (Max) 0.472' (12.00mm)  
Current - Trip (It) 650 mA  
Current - Max 10 A  
Current - Hold (Ih) (Max) 180 mA  
Approval Agency CSA, TUV, UL  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status
ECCN EAR99
HTSUS 8533.40.8070

Parts Introduction

Manufacturer Part Number

TRF250-180-2

Manufacturer

littelfuse

Introduction

The TRF250-180-2 is a high-performance polymeric resettable fuse from Littelfuse, designed to provide reliable circuit protection in a wide range of applications. This compact, through-hole mounted device offers robust overcurrent and overtemperature protection, ensuring the safety and reliability of your electronic systems.

Product Features and Performance

Polymeric design for fast and automatic reset after fault condition is cleared

Rated for up to 100V (250V internal) and a hold current of 180mA

Triggers at 650mA overcurrent and can handle up to 10A maximum current

Time to trip in 2 seconds

Initial resistance of at least 800mΩ and a maximum post-trip resistance of 4Ω

Operating temperature range of -40°C to 85°C

Product Advantages

Reliable overcurrent and overtemperature protection

Compact and space-saving design

Automatic reset capability for easy maintenance

Wide operating temperature range

Key Reasons to Choose This Product

Proven Littelfuse quality and reliability

Robust circuit protection for sensitive electronic components

Easy integration and seamless compatibility

Cost-effective solution for circuit protection needs

Quality and Safety Features

Approved by CSA, TUV, and UL for safety and reliability

Designed and manufactured to the highest quality standards

Compatibility

Suitable for a wide range of electronic devices and applications

Application Areas

Consumer electronics

Industrial automation

Telecommunications equipment

Automotive systems

Power supplies

Industrial controls

Product Lifecycle

The TRF250-180-2 is an active product in our website's sales team portfolio. There are no immediate plans for discontinuation, and it remains a viable circuit protection solution. While there may be equivalent or alternative models available, it is recommended to contact our website's sales team for the most up-to-date information and recommendations.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. TRF250-180-2

Product Attribute TRF250-180-2 TRF250-183 TRF250-145-2 TRF250-145-B-0.5
Part Number TRF250-180-2 TRF250-183 TRF250-145-2 TRF250-145-B-0.5
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Lead Spacing 0.200' (5.08mm) 0.197' (5.00mm) 0.200' (5.08mm) 0.197' (5.00mm)
Thickness (Max) - - - -
Series PolySwitch®, TRF250 PolySwitch®, TRF250 PolySwitch®, TRF250 PolySwitch®, TRF250
Type Polymeric Polymeric Polymeric Polymeric
Resistance - Initial (Ri) (Min) 800 mOhms 800 mOhms 3 Ohms 3 Ohms
Ratings - - - -
Voltage - Max 100V (250V Int) 100V (250V Int) 60V (250V Int) 60V (250V Int)
Package Tape & Reel (TR) Bulk Tape & Reel (TR) Bag
Approval Agency CSA, TUV, UL CSA, TUV, UL CSA, TUV, UL CSA, TUV, UL
Current - Trip (It) 650 mA 685 mA 290 mA 290 mA
Mounting Type Through Hole Through Hole Through Hole Through Hole
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Time to Trip 2 s 1.8 s 5 s 5 s
Size / Dimension 0.354' Dia x 0.150' T (9.00mm x 3.80mm) 0.295' Dia x 0.161' T (7.50mm x 4.10mm) 0.256' L x 0.181' W (6.50mm x 4.60mm) 0.256' L x 0.181' W (6.50mm x 4.60mm)
Resistance - Post Trip (R1) (Max) 4 Ohms 3.4 Ohms 14 Ohms 14 Ohms
Package / Case Radial, Disc Radial, Disc Radial, Disc Radial, Disc
Height - Seated (Max) 0.472' (12.00mm) 0.413' (10.50mm) 0.433' (11.00mm) 0.433' (11.00mm)
Current - Hold (Ih) (Max) 180 mA 183 mA 145 mA 145 mA
Current - Max 10 A 10 A 3 A 3 A

TRF250-180-2 Datasheet PDF

Download TRF250-180-2 pdf datasheets and Littelfuse Inc. documentation for TRF250-180-2 - Littelfuse Inc..

PCN Packaging
2.73KHz.pdf
HTML Datasheet
Telecom/Networking Devices Catalog.pdf TRF250-180 Spec.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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TRF250-180-2 Image

TRF250-180-2

Littelfuse Inc.
32D-TRF250-180-2

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