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1812L075/33DR PTC resettable fuse from Littelfuse, 1812L Series. Rated for 750mA hold current, 33V max voltage, with 20A max fault current.
Mfr Part #:

1812L075/33DR

Available from 3 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
PTC resettable fuse from Littelfuse, 1812L Series. Rated for 750mA hold current, 33V max voltage, with 20A max fault current.
✓ Total Stock: 7,562 pcs

1812L075/33DR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
6,987 pcs
On Request
6987 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
500 pcs
On Request
500 pcs On Request 1 On Request On Request On Request On Request On Request
Speed Components Ltd ✓
Non-Authorised Inventory information
75 pcs
On Request
75 pcs On Request 1 On Request On Request 15+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

1812L075/33DR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Halogen Free
Industrial Grade
Length
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Package / Case
Power Dissipation
Resistance
Tape & Reel
Thickness (Max)
Time to Trip
Type
Voltage
Width
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1812L075/33DR Description

Short technical summary and product information.

The Littelfuse 1812L075/33DR is a polymeric PTC resettable fuse from the 1812L Series, designed for surface mount overcurrent protection. It features a hold current of 750 mA and a trip current of 1.5 A, with a maximum voltage rating of 33 V DC and a maximum interrupt current of 20 A. The device has a typical power dissipation of 0.8 W and a fast trip time of 200 ms at 8 A. Initial resistance is as low as 110 mΩ, rising to 400 mΩ after tripping. This component is RoHS compliant, lead-free, and halogen-free. It is housed in a compact 1812 (4532 Metric) concave package, measuring 4.55 mm x 3.24 mm with a maximum thickness of 1.55 mm. The operating temperature range is -40°C to 85°C. Typical applications include USB peripherals, PCI cards, and game console port protection, as well as plug-and-play protection for motherboards and peripherals.

1812L075/33DR Quick Information

Product Type: PTC Resettable Fuse
Series: 1812L Series
Canonical Name: Littelfuse 1812L075/33DR PolySwitch PTC Resettable Fuse, 750mA Hold, 33V, 1812 Package
Subcategory: Polymeric PTC Resettable Fuse

1812L075/33DR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

1812L075/33DR Features

  • 750 mA hold current with 1.5 A trip current.
  • 33V maximum voltage rating.
  • 20 A maximum interrupt current.
  • Fast trip time of 200 ms.
  • Surface mount 1812 package.

1812L075/33DR Applications

  • USB peripheral overcurrent protection.
  • PCI card port protection.
  • Game console port protection.
  • Motherboard plug-and-play protection.

1812L075/33DR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the hold current of the 1812L075/33DR?

750 mA.

What is the maximum voltage rating?

33 V DC.

What is the maximum interrupt current?

20 A.

What is the time to trip?

200 ms at 8 A.

What is the package type?

1812 (4532 Metric) concave surface mount package.

What is the operating temperature range?

-40°C to 85°C.

Is this component RoHS compliant?

Yes, RoHS3 compliant, lead-free and halogen-free.

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