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1206L012WR 1206L012WR is a polymeric PTC resettable fuse from Littelfuse with 125mA hold current, 30V max voltage, and 100A max current. It comes in a 1206 surface mount package.
Mfr Part #:

1206L012WR

Available from 4 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
1206L012WR is a polymeric PTC resettable fuse from Littelfuse with 125mA hold current, 30V max voltage, and 100A max current. It comes in a 1206 surface mount package.
Total Stock: 50,222 pcs

1206L012WR Available from 4 distributors

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Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
43,324 pcs
43324 pcs On Request 1 On Request On Request 21+ On Request On Request
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3,150 pcs
3150 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,874 pcs
1874 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,874 pcs
1874 pcs On Request 1 On Request On Request On Request On Request On Request

1206L012WR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Current - Max
Halogen Free
Hold Current
Length
Mounting Type
Operating Temperature
Package / Case
Power Dissipation (Typ)
Resistance
Resistance - Initial (Min)
Resistance - Post Trip (Max)
SVHC Present
Tape & Reel
Thickness (Max)
Time to Trip
Trip Current
Type
Voltage
Voltage - Max
Width

1206L012WR Description

Short technical summary and product information.

The 1206L012WR is a polymeric PTC resettable fuse from Littelfuse, part of the 1206L series. It provides overcurrent protection with a hold current of 125 mA and a trip current of 0.29 A. The device is rated for a maximum voltage of 30 V and can withstand fault currents up to 100 A. Typical power dissipation is 0.6 W.

 

Initial resistance is 1.5 Ω minimum, increasing to 6 Ω maximum after tripping. The trip time is 200 ms at 1 A. The fuse is surface mounted in a 1206 (3216 metric) package with concave terminals, making it suitable for space-constrained applications.

 

Operating temperature range is -40°C to 85°C. The component is RoHS and halogen-free compliant.

1206L012WR Quick Information

Product Type: PTC Resettable Fuse
Series: 1206L
Canonical Name: Littelfuse 1206L012WR Polymeric PTC Resettable Fuse
Subcategory: Surface Mount PTC Resettable Fuse

1206L012WR Compliance

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

1206L012WR Features

  • 125mA hold current rating.
  • 30V maximum voltage rating.
  • 100A maximum fault current.
  • Surface mount 1206 package.
  • Polymeric PTC resettable technology.

1206L012WR Applications

  • Overcurrent protection for portable electronics.
  • Used in battery charging circuits.
  • Ideal for space-constrained PCB designs.
  • Provides resettable protection in automotive applications.

1206L012WR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the hold current of the 1206L012WR?

125 mA.

What is the trip current?

0.29 A.

What is the maximum voltage rating?

30 V.

What is the maximum fault current?

100 A.

What is the trip time?

200 ms at 1 A.

What is the package type?

1206 (3216 Metric) surface mount package.

What is the operating temperature range?

-40°C to 85°C.

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