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HomeProductsCircuit ProtectionPTC Resettable FusesRHEF750
RHEF750 Image
Image may be representation.
See specifications for product details.

RHEF750 - Littelfuse Inc.

Manufacturer Part Number
RHEF750
Manufacturer
Littelfuse
Allelco Part Number
32D-RHEF750
ECAD Model
Parts Description
PTC RESET FUSE 16V 7.5A RADIAL
Detailed Description
Package
Radial, Disc
Data sheet
PolySwitch, Radial-leaded Catalog.pdf
RHEF Series Datasheet.pdf
RHEF750 Spec.pdf
RoHs Status
ROHS3 Compliant
In stock: 86870

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Quantity

Specifications

RHEF750 Tech Specifications
Littelfuse Inc. - RHEF750 technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - RHEF750

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Max 16V  
Type Polymeric  
Time to Trip 7 s  
Thickness (Max) -  
Size / Dimension 0.551" L x 0.118" W (14.00mm x 3.00mm)  
Series PolySwitch®, RHEF  
Resistance - Post Trip (R1) (Max) 22 mOhms  
Resistance - Initial (Ri) (Min) 9.4 mOhms  
Ratings -  
Product Attribute Attribute Value  
Package / Case Radial, Disc  
Package Bag  
Operating Temperature -40°C ~ 125°C  
Mounting Type Through Hole  
Lead Spacing 0.199" (5.05mm)  
Height - Seated (Max) 0.925" (23.50mm)  
Current - Trip (It) 13.1 A  
Current - Max 100 A  
Current - Hold (Ih) (Max) 7.5 A  
Approval Agency CSA, TUV, UL  

Parts Introduction

Manufacturer Part Number

RHEF750

Manufacturer

Littelfuse

Introduction

The RHEF750 is a PolySwitch® Polymeric Resettable Fuse from Littelfuse. It is a circuit protection device that provides overcurrent and overtemperature protection for electronic circuits. The RHEF750 offers a compact, through-hole design with robust performance and features.

Product Features and Performance

Polymeric Positive Temperature Coefficient (PPTC) device

Provides overcurrent and overtemperature protection

Compact through-hole design

Voltage rating up to 16V

Current rating up to 7.5A hold current, 13.1A trip current

Fast time-to-trip of 7 seconds

Resistance range of 9.4mΩ to 22mΩ

Operating temperature range of -40°C to 125°C

Product Advantages

Resettable and reusable after fault condition is cleared

Compact size allows for space-saving PCB design

Robust performance in a wide temperature range

UL/CSA/TUV safety approvals

Key Reasons to Choose This Product

Reliable circuit protection for electronic devices

Versatile design suitable for a wide range of applications

Ease of use and reduced maintenance costs

Compliance with safety standards for enhanced product safety

Quality and Safety Features

UL/CSA/TUV safety approvals

Robust construction for reliable performance

Compatibility

The RHEF750 is compatible with a variety of electronic devices and applications that require overcurrent and overtemperature protection.

Application Areas

Consumer electronics

Industrial equipment

Telecommunications equipment

Automotive electronics

Power supplies

Product Lifecycle

The RHEF750 is an active product, and Littelfuse continues to offer this model. There are no direct equivalent or alternative models available at this time. If you have any questions or need further assistance, please contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. RHEF750

Product Attribute RHEF750 RHEF1500-2 RUEF800K RUEF110
Part Number RHEF750 RHEF1500-2 RUEF800K RUEF110
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Approval Agency CSA, TUV, UL CSA, TUV, UL CQC, CSA, TUV, UL CQC, CSA, TUV, UL
Series PolySwitch®, RHEF PolySwitch®, RHEF PolySwitch®, RUEF PolySwitch®, RUEF
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 85°C -40°C ~ 85°C
Resistance - Initial (Ri) (Min) 9.4 mOhms 3.2 mOhms 5 mOhms 70 mOhms
Package / Case Radial, Disc Radial, Disc Radial, Disc Radial, Disc
Ratings - - - -
Mounting Type Through Hole Through Hole Through Hole Through Hole
Size / Dimension 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.925" L x 0.142" W (23.50mm x 3.60mm) 0.850' L x 0.118' W (21.60mm x 3.00mm) 0.291" Dia x 0.118" T (7.40mm x 3.00mm)
Lead Spacing 0.199" (5.05mm) 0.400" (10.15mm) 0.400' (10.15mm) 0.199" (5.05mm)
Resistance - Post Trip (R1) (Max) 22 mOhms 9.2 mOhms 20 mOhms 170 mOhms
Time to Trip 7 s 20 s 18.8 s 6.6 s
Current - Max 100 A 100 A 100 A 100 A
Current - Trip (It) 13.1 A 28 A 16 A 2.2 A
Height - Seated (Max) 0.925" (23.50mm) 1.130" (28.70mm) 1.189' (30.20mm) 0.559" (14.20mm)
Package Bag Tape & Reel (TR) Bag Bag
Type Polymeric Polymeric Polymeric Polymeric
Thickness (Max) - - - -
Voltage - Max 16V 16V 30V 30V
Current - Hold (Ih) (Max) 7.5 A 15 A 8 A 1.1 A

RHEF750 Datasheet PDF

Download RHEF750 pdf datasheets and Littelfuse Inc. documentation for RHEF750 - Littelfuse Inc..

Datasheets
PolySwitch, Radial-leaded Catalog.pdf RHEF750 Spec.pdf
PCN Packaging
Mult Dev Shipping Chgs 9/Jun/2020.pdf
HTML Datasheet
RHEF Series Datasheet.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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RHEF750 Image

RHEF750

Littelfuse Inc.
32D-RHEF750

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