MF-R185-0-17 Bourns MF-R185-0-17 is a polymeric PTC resettable fuse rated for 1.85A hold current and 30V maximum voltage in a through-hole radial disc package.
Mfr Part #:

MF-R185-0-17

Available from 1 distributors
Mfr Name: Bourns
Bourns
Bourns MF-R185-0-17 is a polymeric PTC resettable fuse rated for 1.85A hold current and 30V maximum voltage in a through-hole radial disc package.
Total Stock: 100 pcs
$ Price Range: $0.21 - $0.62

MF-R185-0-17 Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
100 pcs
100 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

MF-R185-0-17 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Agency Approvals
Automotive Grade
Current
Current - Trip (It)
Halogen Free
Height
Lead Spacing
Mounting Type
Operating Temperature
Prop 65
Ratings
Resistance
Resistance - Initial (R₁)
Resistance - Post Trip (R1max)
Tape & Reel
Time to Trip
Tripped Power Dissipation
Type
Voltage

MF-R185-0-17 Description

Short technical summary and product information.

The Bourns MF-R185-0-17 is a polymeric PTC resettable fuse from the MF-R series. It is designed for overcurrent protection in a wide range of electronic circuits. The device has a hold current of 1.85A and a trip current of 3.70A at 23°C. Its maximum voltage rating is 30V and it can handle up to 40A fault current.

 

The initial resistance at 23°C ranges from 0.040 to 0.070 ohms, with a maximum post-trip resistance of 0.110 ohms. The typical time to trip at 8.7 seconds under specified conditions. Tripped power dissipation is 1.00W.

 

This fuse is housed in a radial disc package with a diameter of 12.00mm and thickness of 3.00mm. It features through-hole mounting with a lead spacing of 5.10mm. The operating temperature range is -40°C to 85°C.

 

The MF-R185-0-17 is AEC-Q200 qualified and carries cUL and TÜV agency approvals. It is RoHS compliant, lead free, and halogen free per Bourns definition.

MF-R185-0-17 Quick Information

Product Type: PTC Resettable Fuse
Series: MF-R185
Canonical Name: Bourns MF-R185-0-17 PTC Resettable Fuse
Subcategory: Polymeric PTC Resettable Fuse

MF-R185-0-17 Compliance

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

MF-R185-0-17 Estimated Pricing

Qty Low High
1+ $0.62 $0.62
10+ $0.47 $0.47
50+ $0.44 $0.44
100+ $0.34 $0.34
200+ $0.31 $0.31
500+ $0.30 $0.30
2,000+ $0.24 $0.24
4,000+ $0.21 $0.21

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

MF-R185-0-17 Features

  • Polymeric PTC resettable overcurrent protection.
  • Rated for 1.85A hold and 3.70A trip current.
  • Maximum voltage rating of 30V DC.
  • Through-hole radial disc package with 5.10mm lead spacing.
  • AEC-Q200 qualified for automotive applications.

MF-R185-0-17 Applications

  • Overcurrent protection in automotive electronics.
  • Used in power supplies and battery chargers.
  • Ideal for industrial control and automation systems.
  • Suitable for consumer electronics and computing devices.

MF-R185-0-17 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the hold current of the Bourns MF-R185-0-17?

The hold current (Ih) is 1.85A at 23°C.

What is the maximum voltage rating for this PTC fuse?

The maximum voltage rating is 30V.

What is the operating temperature range of the MF-R185-0-17?

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

What package type does the MF-R185-0-17 use?

It uses a through-hole radial disc package with a diameter of 12.00mm and thickness of 3.00mm.

Is the Bourns MF-R185-0-17 AEC-Q200 qualified?

Yes, it is AEC-Q200 qualified.

What is the time to trip for the MF-R185-0-17?

The typical time to trip is 8.7 seconds.

What are the agency approvals for this PTC fuse?

It carries cUL and TÜV agency approvals.

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