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HomeProductsCircuit ProtectionPTC Resettable FusesAHS120-2
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AHS120-2 - Littelfuse Inc.

Manufacturer Part Number
AHS120-2
Manufacturer
Littelfuse
Allelco Part Number
32D-AHS120-2
ECAD Model
Parts Description
PTC RESET FUSE 16V 1.2A 2SMD
Detailed Description
Package
2-SMD
Data sheet
PolySwitch, Automotive Catalog.pdf
AHS120 Spec.pdf
RoHs Status
ROHS3 Compliant
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Specifications

AHS120-2 Tech Specifications
Littelfuse Inc. - AHS120-2 technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - AHS120-2

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Max 16V  
Type Polymeric  
Time to Trip 2 s  
Thickness (Max) 0.118" (3.00mm)  
Size / Dimension 0.290" L x 0.202" W (7.36mm x 5.12mm)  
Series PolySwitch®, AHS  
Resistance - Post Trip (R1) (Max) 340 mOhms  
Resistance - Initial (Ri) (Min) 150 mOhms  
Ratings AEC-Q200  
Product Attribute Attribute Value  
Package / Case 2-SMD  
Package Tape & Reel (TR)  
Operating Temperature -40°C ~ 125°C  
Mounting Type Surface Mount  
Lead Spacing -  
Height - Seated (Max) -  
Current - Trip (It) 2.3 A  
Current - Max 50 A  
Current - Hold (Ih) (Max) 1.2 A  
Approval Agency -  

Parts Introduction

Manufacturer Part Number

AHS120-2

Manufacturer

Littelfuse

Introduction

The Littelfuse AHS120-2 is a surface-mount, polymeric positive temperature coefficient (PPTC) resettable fuse designed for overcurrent and overtemperature protection in consumer electronics, industrial, and automotive applications. This device offers reliable circuit protection and can automatically reset after the fault condition is removed.

Product Features and Performance

Voltage rating up to 16V

Hold current of 1.2A, trip current of 2.3A, and maximum current of 50A

Time to trip of 2 seconds

Initial resistance of 150mΩ and post-trip resistance of 340mΩ

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

AEC-Q200 qualified for automotive applications

Product Advantages

Automatic reset capability, eliminating the need for manual intervention

Compact surface-mount package for space-constrained designs

Reliable overcurrent and overtemperature protection

Long service life and durability

Key Reasons to Choose This Product

Robust circuit protection for consumer electronics, industrial, and automotive applications

Compact design and surface-mount compatibility for easy integration

AEC-Q200 qualification ensures reliability in demanding automotive environments

Automatic reset feature provides hassle-free circuit restoration after a fault condition

Quality and Safety Features

Meets AEC-Q200 automotive qualification requirements

Reliable performance and long service life

Compatibility

The Littelfuse AHS120-2 is compatible with a wide range of consumer electronics, industrial, and automotive applications that require overcurrent and overtemperature protection.

Application Areas

Consumer electronics (smartphones, tablets, laptops, etc.)

Industrial equipment (power supplies, motor drives, etc.)

Automotive electronics (infotainment systems, safety systems, etc.)

Product Lifecycle

The Littelfuse AHS120-2 is an active and in-production product. There are currently no equivalent or alternative models available. For the latest product information or to inquire about availability, please contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. AHS120-2

Product Attribute AHS120-2 FSMD100-0805R 2016L300/16MR AHS200-2
Part Number AHS120-2 FSMD100-0805R 2016L300/16MR AHS200-2
Manufacturer Littelfuse Inc. RFE/Fuzetec Littelfuse Inc. Littelfuse Inc.
Voltage - Max 16V 6V 16V 16V
Lead Spacing - - - -
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Size / Dimension 0.290" L x 0.202" W (7.36mm x 5.12mm) 0.085" L x 0.053" W (2.15mm x 1.35mm) 0.200' L x 0.160' W (5.08mm x 4.07mm) 0.343' L x 0.250' W (8.70mm x 6.36mm)
Ratings AEC-Q200 - - AEC-Q200
Operating Temperature -40°C ~ 125°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 125°C
Current - Trip (It) 2.3 A 1.95 A 5 A 4 A
Thickness (Max) 0.118" (3.00mm) 0.071" (1.80mm) 0.045' (1.15mm) 0.118' (3.00mm)
Package / Case 2-SMD 0805 (2012 Metric), Concave 2016 (5041 Metric), Concave 2-SMD
Current - Hold (Ih) (Max) 1.2 A 1 A 3 A 2 A
Resistance - Post Trip (R1) (Max) 340 mOhms 210 mOhms 48 mOhms 140 mOhms
Height - Seated (Max) - - - -
Time to Trip 2 s 300 ms 10 s 13.4 s
Series PolySwitch®, AHS FSMD0805 POLY-FUSE®, 2016L PolySwitch®, AHS
Approval Agency - cUL, TUV, UL - -
Current - Max 50 A 100 A 40 A 70 A
Type Polymeric - Polymeric Polymeric
Resistance - Initial (Ri) (Min) 150 mOhms 60 mOhms 15 mOhms 50 mOhms

AHS120-2 Datasheet PDF

Download AHS120-2 pdf datasheets and Littelfuse Inc. documentation for AHS120-2 - Littelfuse Inc..

Datasheets
PolySwitch, Automotive Catalog.pdf AHS120 Spec.pdf
PCN Assembly/Origin
Terminal SMD PPTC 01/Mar/2019.pdf

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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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AHS120-2 Image

AHS120-2

Littelfuse Inc.
32D-AHS120-2

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