MF-R800 Bourns MF-R800 PTC resettable fuse with 8A hold current, 30V max voltage, and 40A max fault current. Through hole radial disc package.
Mfr Part #:

MF-R800

Available from 2 distributors
Mfr Name: Bourns
Bourns
Bourns MF-R800 PTC resettable fuse with 8A hold current, 30V max voltage, and 40A max fault current. Through hole radial disc package.
Total Stock: 1,100 pcs
$ Price Range: $0.34 - $0.76

MF-R800 Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,000 pcs
1000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
100 pcs
100 pcs On Request 1 On Request On Request On Request On Request On Request

MF-R800 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
1 Hour Resistance (R1) (at 23°C)
AEC Qualified
Agency Approvals
Current
Flame Retardant Rating
Halogen Free
Height
Initial Resistance (at 23°C)
Lead Spacing
Lead Style
Length
Max Current (Imax)
Mounting Type
Operating Temperature
Post-Trip Resistance (at 23°C)
Prop 65
Resistance
Tape & Reel
Time to Trip
Trip Current (Itrip)
Tripped Power Dissipation (at 23°C)
Type
Voltage
Width

MF-R800 Description

Short technical summary and product information.

The Bourns MF-R800 is a polymeric PTC resettable fuse from the MF-R series. It features a hold current of 8 A, trip current of 16 A, and a maximum voltage rating of 30 V. The device can withstand a maximum fault current of 40 A. The typical time to trip at 40 A is 18.8 seconds.

 

The fuse has an initial resistance range of 0.005 Ω to 0.02 Ω at 23°C, with a maximum 1-hour resistance of 0.03 Ω and maximum post-trip resistance of 0.03 Ω. Typical tripped power dissipation is 4.00 W at 23°C. Operating temperature range is -40°C to 85°C.

 

Packaged in a through hole radial disc configuration with 10.20 mm lead spacing. Body dimensions are 24.20 mm length, 3.00 mm width, and 32.90 mm height. The epoxy coating is rated UL94V-0 for flame retardancy. Device is RoHS compliant, lead free, and halogen free per Bourns definition.

MF-R800 Quick Information

Product Type: PTC Resettable Fuse
Series: MF-R800
Canonical Name: Bourns MF-R800 PTC Resettable Fuse
Subcategory: Polymeric PTC

MF-R800 Compliance

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

MF-R800 Estimated Pricing

Qty Low High
1+ $0.76 $0.76
10+ $0.70 $0.70
50+ $0.47 $0.47
100+ $0.42 $0.42
250+ $0.40 $0.40
500+ $0.38 $0.38
3,000+ $0.34 $0.34

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

MF-R800 Features

  • 8 A hold current polymeric PTC fuse.
  • 30 V maximum voltage rating.
  • 40 A maximum fault current capability.
  • Through hole radial disc package.
  • RoHS compliant and halogen free.

MF-R800 Applications

  • Overcurrent protection in power supplies.
  • Battery pack and charging circuit protection.
  • Industrial control and automation systems.

MF-R800 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the hold current of the Bourns MF-R800?

The hold current (Ihold) is 8 A at 23°C.

What is the trip current?

The trip current (Itrip) is 16 A at 23°C.

What is the maximum voltage rating?

The maximum voltage (Vmax) is 30 V.

What is the operating temperature range?

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

What package type does the MF-R800 use?

It uses a through hole radial disc package with 10.20 mm lead spacing.

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