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HomeProductsCircuit ProtectionPTC Resettable FusesTRF250-183
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TRF250-183 - Littelfuse Inc.

Manufacturer Part Number
TRF250-183
Manufacturer
Littelfuse
Allelco Part Number
32D-TRF250-183
ECAD Model
Parts Description
PTC RESET FUSE 100V 183MA RADIAL
Package
Radial, Disc
Data sheet
Telecom/Networking Devices Catalog.pdf
TRF250-183 Spec.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 114090

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Specifications

TRF250-183 Tech Specifications
Littelfuse Inc. - TRF250-183 technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - TRF250-183

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Max 100V (250V Int)  
Type Polymeric  
Time to Trip 1.8 s  
Thickness (Max) -  
Size / Dimension 0.295' Dia x 0.161' T (7.50mm x 4.10mm)  
Series PolySwitch®, TRF250  
Resistance - Post Trip (R1) (Max) 3.4 Ohms  
Resistance - Initial (Ri) (Min) 800 mOhms  
Ratings -  
Product Attribute Attribute Value  
Package / Case Radial, Disc  
Package Bulk  
Operating Temperature -40°C ~ 85°C  
Mounting Type Through Hole  
Lead Spacing 0.197' (5.00mm)  
Height - Seated (Max) 0.413' (10.50mm)  
Current - Trip (It) 685 mA  
Current - Max 10 A  
Current - Hold (Ih) (Max) 183 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

TRF250-183

Manufacturer

Littelfuse

Introduction

The Littelfuse TRF250-183 is a polymeric positive temperature coefficient (PPTC) resettable fuse designed for circuit protection applications. This compact and reliable device offers overcurrent and overtemperature protection, helping to safeguard sensitive electronic components and prevent potential fire hazards.

Product Features and Performance

Voltage rating up to 100V (250V internal)

Current rating of 183mA hold current and 685mA trip current

Maximum current capacity of 10A

Fast time-to-trip of 1.8 seconds

Initial resistance of at least 800 milliohms and a maximum post-trip resistance of 3.4 ohms

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

Product Advantages

Resettable design allows for easy circuit reset after fault conditions

Compact and space-saving footprint

Reliable protection against overcurrent and overtemperature events

Certified to international safety standards including CSA, TUV, and UL

Key Reasons to Choose This Product

Robust circuit protection for sensitive electronic devices

Compact size and easy integration into various applications

Proven reliability and long-lasting performance

Compliance with major safety certifications

Quality and Safety Features

Certified to international safety standards (CSA, TUV, UL)

Designed and manufactured to the highest quality standards

Reliable protection against overcurrent and overtemperature events

Compatibility

Suitable for a wide range of electronic applications, including consumer electronics, industrial equipment, and more

Application Areas

Consumer electronics

Industrial equipment

Power supplies

Telecommunications equipment

Automotive electronics

Product Lifecycle

The Littelfuse TRF250-183 is an active and current product. There are no plans for discontinuation at this time. If you require more information or need assistance identifying alternative or equivalent models, please contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. TRF250-183

Product Attribute TRF250-183 TRF250-120T TRF250-180-2 TRF250-184
Part Number TRF250-183 TRF250-120T TRF250-180-2 TRF250-184
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Series PolySwitch®, TRF250 PolySwitch®, TRF250 PolySwitch®, TRF250 PolySwitch®, TRF250
Size / Dimension 0.295' Dia x 0.161' T (7.50mm x 4.10mm) 0.256' L x 0.181' W (6.50mm x 4.60mm) 0.354' Dia x 0.150' T (9.00mm x 3.80mm) 0.303' Dia x 0.181' T (7.70mm x 4.60mm)
Height - Seated (Max) 0.413' (10.50mm) 0.433' (11.00mm) 0.472' (12.00mm) 0.413' (10.50mm)
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C 0°C ~ 85°C
Current - Trip (It) 685 mA 240 mA 650 mA 1 A
Type Polymeric Polymeric Polymeric Polymeric
Current - Max 10 A 3 A 10 A 10 A
Ratings - - - -
Package / Case Radial, Disc Radial, Disc Radial, Disc Radial, Disc
Time to Trip 1.8 s 1.2 s 2 s 1.3 s
Approval Agency CSA, TUV, UL CSA, TUV, UL CSA, TUV, UL CSA, TUV, UL
Voltage - Max 100V (250V Int) 60V (250V Int) 100V (250V Int) 100V (250V Int)
Package Bulk Bag Tape & Reel (TR) Bag
Resistance - Post Trip (R1) (Max) 3.4 Ohms 16 Ohms 4 Ohms 3.1 Ohms
Current - Hold (Ih) (Max) 183 mA 120 mA 180 mA 184 mA
Resistance - Initial (Ri) (Min) 800 mOhms 7 Ohms 800 mOhms 1.2 Ohms
Mounting Type Through Hole Through Hole Through Hole Through Hole
Lead Spacing 0.197' (5.00mm) 0.197' (5.00mm) 0.200' (5.08mm) 0.197' (5.00mm)
Thickness (Max) - - - -

TRF250-183 Datasheet PDF

Download TRF250-183 pdf datasheets and Littelfuse Inc. documentation for TRF250-183 - Littelfuse Inc..

PCN Packaging
2.73KHz.pdf
HTML Datasheet
Telecom/Networking Devices Catalog.pdf TRF250-183 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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TRF250-183 Image

TRF250-183

Littelfuse Inc.
32D-TRF250-183

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