MF-R110 Bourns MF-R110 PTC resettable fuse. Rated for 30V and 1.1A hold current with a 40A maximum fault current. Radial leaded package.
Mfr Part #:

MF-R110

Available from 3 distributors
Mfr Name: Bourns
Bourns
Bourns MF-R110 PTC resettable fuse. Rated for 30V and 1.1A hold current with a 40A maximum fault current. Radial leaded package.
✓ Total Stock: 20,033 pcs
$ Price Range: $0.17 - $0.40

MF-R110 Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
20,000 pcs
20000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
28 pcs
28 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
5 pcs
5 pcs On Request 1 On Request On Request On Request On Request On Request

MF-R110 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Halogen Free
Height
Industrial Grade
Lead Spacing
Mounting Type
Operating Temperature
Resistance
SVHC Present
Storage Temperature
Tape & Reel
Time to Trip
Type
Voltage

MF-R110 Description

Short technical summary and product information.

The Bourns MF-R110 is a polymeric PTC resettable fuse from the MF-R series. It is designed to provide overcurrent protection in a wide range of electronic applications. The device features a hold current of 1.1 A and a trip current of 2.2 A, with a maximum voltage rating of 30 V and a maximum interrupt current of 40 A.

 

Key electrical characteristics include an initial resistance range of 0.10 to 0.18 Ohms and a maximum post-trip resistance of 0.27 Ohms at 23 °C. The maximum time to trip is 6.6 seconds at 5.5 A, and typical tripped power dissipation is 0.70 W. The device operates over a temperature range of -40°C to 85°C.

 

The MF-R110 is housed in a radial leaded disc package with a lead spacing of 5.10 mm. The body dimensions are 8.90 mm in diameter and 3.00 mm in thickness, with a seated height of 14.00 mm. The device is RoHS compliant, lead free, and halogen free, with a flammability rating of UL 94V-0.

MF-R110 Quick Information

Product Type: PTC Resettable Fuse
Series: MF-R
Canonical Name: Bourns MF-R110 PTC Resettable Fuse
Subcategory: Polymeric PTC

MF-R110 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 70
REACH Status: REACH Unaffected
Lead Free: Lead Free

MF-R110 Estimated Pricing

Qty Low High
1+ $0.40 $0.40
10+ $0.36 $0.36
50+ $0.29 $0.29
100+ $0.26 $0.26
250+ $0.25 $0.25
500+ $0.23 $0.23
1,000+ $0.20 $0.20
3,000+ $0.18 $0.18
6,000+ $0.17 $0.17

Estimated market price range - modelled values for guidance only, not live distributor offers.

MF-R110 Features

  • Polymeric PTC resettable overcurrent protection.
  • Rated for 30V max voltage and 1.1A hold current.
  • 40A maximum interrupt current rating.
  • Radial leaded disc package with 5.10mm lead spacing.
  • RoHS compliant, lead free, and halogen free.

MF-R110 Applications

  • Overcurrent protection for power supplies and adapters.
  • Used in battery packs and charging circuits.
  • Ideal for industrial and consumer electronics applications.
  • Suitable for automotive and telecommunications equipment.

MF-R110 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the hold and trip current of the Bourns MF-R110?

The hold current (Ihold) is 1.1 A and the trip current (Itrip) is 2.2 A.

What is the maximum voltage rating for the MF-R110?

The maximum voltage (Vmax) is 30 V.

What is the maximum fault current the MF-R110 can handle?

The maximum interrupt current (Imax) is 40 A.

How quickly does the MF-R110 trip at a given fault current?

The maximum time to trip is 6.6 seconds at a current of 5.5 A.

What is the package type and lead spacing of the MF-R110?

It comes in a Radial, Disc package with a lead spacing of 5.10 mm.

What is the initial and post-trip resistance of the MF-R110?

The initial resistance at 23 °C ranges from 0.10 to 0.18 Ohms. The maximum post-trip resistance is 0.27 Ohms.

What is the operating temperature range for the MF-R110?

The operating temperature range is -40°C to 85°C.

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