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MF-R185 The Bourns MF-R185 is a polymeric PTC resettable fuse rated for 30V max voltage and 1.85A hold current. It features a radial disc through-hole package and is RoHS compliant.
Mfr Part #:

MF-R185

Available from 1 distributors
Mfr Name: Bourns
Bourns
The Bourns MF-R185 is a polymeric PTC resettable fuse rated for 30V max voltage and 1.85A hold current. It features a radial disc through-hole package and is RoHS compliant.
✓ Total Stock: 2,000 pcs
$ Price Range: $0.20 - $0.46

MF-R185 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
AA2DE ✓
Non-Authorised Inventory information
2,000 pcs
On Request
2000 pcs On Request 1 On Request On Request On Request 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.

MF-R185 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
Lead Style
Mounting Type
Operating Temperature
Power Dissipation
Prop 65
Resistance
SVHC Present
Tape & Reel
Time to Trip
Type
Voltage
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MF-R185 Description

Short technical summary and product information.

The Bourns MF-R185 is a polymeric PTC resettable fuse from the MF-R series, designed for overcurrent protection in electronic circuits. It has a maximum voltage rating of 30V and a hold current of 1.85A, with a trip current of 3.70A. The device can handle a maximum fault current of 40A.

 

Key electrical characteristics include an initial resistance range of 0.04 Ω to 0.07 Ω at 23°C, and a post-trip resistance of 0.11 Ω maximum. The time to trip is 8.7 seconds maximum at 9.25A, and typical power dissipation is 1.00W. The operating temperature range is -40°C to 85°C.

 

The MF-R185 is housed in a radial disc through-hole package with dimensions of 12.00mm x 3.00mm and a seated height of 18.40mm. Lead spacing is 5.10mm. The device is RoHS3 compliant, lead free, and halogen free, with agency approvals from cUL and TÜV.

MF-R185 Quick Information

Product Type: PTC Resettable Fuse
Series: MF-R185
Canonical Name: Bourns MF-R185 PTC Resettable Fuse
Subcategory: Radial Disc PTC Resettable Fuse

MF-R185 Compliance

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

MF-R185 Estimated Pricing

Qty Low High
1+ $0.46 $0.46
10+ $0.41 $0.41
50+ $0.35 $0.35
100+ $0.32 $0.32
200+ $0.29 $0.29
500+ $0.27 $0.27
1,000+ $0.25 $0.25
2,000+ $0.25 $0.25
4,000+ $0.20 $0.20

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

MF-R185 Features

  • Polymeric PTC resettable overcurrent protection.
  • Rated for 30V DC maximum voltage.
  • 1.85A hold current with 3.70A trip current.
  • 40A maximum fault current capability.
  • Radial disc through-hole mounting.

MF-R185 Applications

  • Overcurrent protection in power supplies.
  • Used in battery charging circuits.
  • Ideal for motor protection applications.
  • Suitable for telecommunications equipment.
  • Applicable in consumer electronics.

MF-R185 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the hold current of the Bourns MF-R185?

The hold current is 1.85 A.

What is the maximum voltage rating of the MF-R185?

The maximum voltage is 30 V.

What is the maximum fault current the MF-R185 can handle?

The maximum fault current is 40 A.

What is the time to trip for the MF-R185?

The maximum time to trip is 8.7 seconds at 9.25 A.

What is the package type of the MF-R185?

The MF-R185 comes in a radial disc through-hole package with lead spacing of 5.10 mm.

What is the operating temperature range?

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

Is the MF-R185 RoHS compliant?

Yes, the MF-R185 is RoHS3 compliant, lead free, and halogen free.

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