MF-R017-AP-99 Equivalent & Substitute Parts

Part Overview

The MF-R017-AP-99 is a Polymeric PTC Resettable Fuse manufactured by Bourns Inc. in the Multifuse® MF-R series. This component is rated for 60V maximum voltage with a 170 mA hold current and 340 mA trip current, designed for through-hole radial mounting in disc configuration. The MF-R017-AP-99 is currently listed as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure component availability for production and repair applications.

Substiute Parts

MF-R017-AP-99

Bourns Inc.In Stock: 700MF-R017-AP-99 Datasheet

Current PartRFQ

MF-R017-AP

Bourns Inc.In Stock: 8370MF-R017-AP Datasheet

Parametric EquivalentRFQ

MF-R017-AP-17

Bourns Inc.In Stock: 1140MF-R017-AP-17 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MF-R017-AP-99 are determined by electrical and mechanical parameter equivalence within the Multifuse® MF-R series. The following criteria establish substitution validity:

Electrical Parameters (Critical):

• Voltage - Max: 60V
• Current - Hold (Ih) (Max): 170 mA
• Current - Trip (It): 340 mA
• Resistance - Initial (Ri) (Min): 2 Ohms
• Resistance - Post Trip (R1) (Max): 8 Ohms
• Operating Temperature: -40°C ~ 85°C

Mechanical Parameters (Critical):

• Mounting Type: Through Hole
• Package / Case: Radial, Disc
• Size / Dimension: 0.291" Dia x 0.122" T (7.40mm x 3.10mm)
• Lead Spacing: 0.201" (5.10mm)

Secondary Parameters (Packaging/Status):

• Packaging format may vary (Cut Tape, Tape & Box)
• Product status may differ (Active vs. Obsolete)

The identified substitutes MF-R017-AP and MF-R017-AP-17 maintain complete electrical and mechanical equivalence to the MF-R017-AP-99, differing only in packaging configuration and product status.

Parameter Comparison

Engineering Selection Recommendations

Both MF-R017-AP and MF-R017-AP-17 are direct electrical and mechanical equivalents to the obsolete MF-R017-AP-99. Selection between these substitutes is based on product status and compliance requirements:

MF-R017-AP: Active product status with Cut Tape (CT) packaging. Maintains cURus and TUV certifications. Suitable for standard production applications requiring active component availability.

MF-R017-AP-17: Active product status with Tape & Box (TB) packaging. Provides expanded certification coverage including cUL, cURus, TUV, and UL approvals. Includes AEC-Q200 automotive qualification rating. Recommended for applications requiring enhanced regulatory compliance or automotive-grade reliability standards.

Both substitutes are ROHS3 compliant and REACH unaffected, maintaining environmental regulatory alignment with the original MF-R017-AP-99.

Frequently Asked Questions (FAQ)

Q: Can MF-R017-AP and MF-R017-AP-17 be used interchangeably with MF-R017-AP-99?

A: Yes. Both substitutes maintain identical electrical parameters (60V, 170 mA hold current, 340 mA trip current, 2 Ohms initial resistance, 8 Ohms post-trip resistance) and mechanical specifications (through-hole radial disc mounting, 7.40mm x 3.10mm dimensions, 5.10mm lead spacing). Differences are limited to packaging format and product status.

Q: What is the difference between Cut Tape (CT) and Tape & Box (TB) packaging?

A: Cut Tape (CT) packaging supplies components on continuous tape cut to specified lengths, suitable for automated assembly processes. Tape & Box (TB) packaging provides components on tape wound in a box, offering alternative handling and storage options. Both formats contain electrically and mechanically identical components.

Q: Why does MF-R017-AP-17 have additional certifications?

A: MF-R017-AP-17 includes cUL and UL certifications in addition to cURus and TUV, and carries AEC-Q200 automotive qualification. These additional approvals expand the component's qualified application scope. Selection should be based on specific regulatory or qualification requirements of the target application.

Q: Is the MF-R017-AP-99 still available for procurement?

A: The MF-R017-AP-99 is listed as obsolete. MF-R017-AP and MF-R017-AP-17 are active products and represent the current manufacturing alternatives within the Multifuse® MF-R series for this electrical specification.

Q: Are there any thermal or environmental differences between these parts?

A: All three parts share identical operating temperature range (-40°C ~ 85°C), moisture sensitivity level (MSL 1 - Unlimited), and environmental compliance status (ROHS3 Compliant, REACH Unaffected). No thermal or environmental differentiation exists.