Molex 5025985191 FPC Connector 51 Position 0.3mm Right Angle

Part Overview

The Molex 5025985191 is a 51-position flat flexible connector (FPC) with 0.3mm pitch, surface mount right-angle configuration, and solder termination. This connector is part of the BackFlip Easy-On 502598 series and features flip lock and backlock locking mechanisms. The part is currently obsolete with limited inventory (736 pcs), making equivalent substitutes necessary for ongoing production and design requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	5025985191
Manufacturer	Molex
Category	FFC, FPC (Flat Flexible) Connectors
Series	BackFlip, Easy-On 502598
Number of Positions	51
Pitch	0.012" (0.30mm)
Mounting Type	Surface Mount, Right Angle
Connector/Contact Type	Contacts, Top and Bottom
Termination	Solder
Voltage Rating	50V
Current Rating	0.2A
Operating Temperature	-40°C ~ 85°C
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the Molex 5025985191 is determined by the following critical parameters:

Direct Functional Equivalent:

Part 5025985193 is a direct substitute with identical electrical and mechanical specifications (51 positions, 0.3mm pitch, surface mount right angle, solder termination). The primary difference is product status (Active vs. Obsolete) and contact material (Phosphor Bronze vs. Copper Alloy). This part maintains all critical parameters and is the preferred replacement.

Parametric Equivalents (Different Position Counts):

Parts 5025981793, 5025982393, 5025982593, 5025982793, 5025982993, 5025983393, 5025983993, and 5025984593 are parametric equivalents within the same series, differing only in position count (17, 23, 25, 27, 29, 33, 39, and 45 positions respectively). These parts share identical electrical ratings, mounting configuration, pitch, termination method, and mechanical dimensions. Selection depends on the specific connector position requirement of the application.

Key Parameters for Substitution:

Pitch: 0.012" (0.30mm)
Mounting Type: Surface Mount, Right Angle
Termination: Solder
Voltage Rating: 50V
Current Rating: 0.2A
Locking Feature: Flip Lock, Backlock
Height Above Board: 0.045" (1.14mm)
FFC Thickness: 0.20mm

Parameter Comparison

Parameter	5025985191 (Main)	5025985193 (Direct)	5025981793 (17P)	5025982393 (23P)	5025982593 (25P)	5025982793 (27P)	5025982993 (29P)	5025983393 (33P)	5025983993 (39P)	5025984593 (45P)
Number of Positions	51	51	17	23	25	27	29	33	39	45
Pitch	0.012" (0.30mm)	0.012" (0.30mm)	0.012" (0.30mm)	0.012" (0.30mm)	0.012" (0.30mm)	0.012" (0.30mm)	0.012" (0.30mm)	0.012" (0.30mm)	0.012" (0.30mm)	0.012" (0.30mm)
Mounting Type	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Voltage Rating	50V	50V	50V	50V	50V	50V	50V	50V	50V	50V
Current Rating	0.2A	0.2A	0.2A	0.2A	0.2A	0.2A	0.2A	0.2A	0.2A	0.2A
Operating Temperature	-40°C ~ 85°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Height Above Board	0.045" (1.14mm)	0.045" (1.14mm)	0.045" (1.14mm)	0.045" (1.14mm)	0.045" (1.14mm)	0.045" (1.14mm)	0.045" (1.14mm)	0.045" (1.14mm)	0.045" (1.14mm)	0.045" (1.14mm)
FFC Thickness	0.20mm	0.20mm	0.20mm	0.20mm	0.20mm	0.20mm	0.20mm	0.20mm	0.20mm	0.20mm
Locking Feature	Flip Lock, Backlock	Flip Lock, Backlock	Flip Lock, Backlock	Flip Lock, Backlock	Flip Lock, Backlock	Flip Lock, Backlock	Flip Lock, Backlock	Flip Lock, Backlock	Flip Lock, Backlock	Flip Lock, Backlock
Contact Material	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Contact Finish	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For 51-Position Applications: Select Molex 5025985193 as the direct replacement for the obsolete 5025985191. Both parts maintain identical electrical and mechanical specifications with 51 positions at 0.3mm pitch. The 5025985193 is Active status with expanded inventory (28,163 pcs) and extended operating temperature range (-40°C to 105°C versus -85°C). Both parts are ROHS3 compliant with MSL 1 rating.

For Alternative Position Counts: When application requirements permit connector position flexibility, select from the parametric equivalent series based on exact position count needed. All parts in this series maintain identical pitch, mounting configuration, voltage/current ratings, and mechanical dimensions. Parts 5025982593 (25 positions), 5025982793 (27 positions), and 5025983393 (33 positions) offer highest inventory availability (28,209, 35,949, and 31,115 pcs respectively). All substitute parts are Active status with ROHS3 compliance and extended operating temperature range.

Compliance Considerations: All substitute parts maintain ROHS3 compliance and MSL 1 rating. Substitute parts 5025985193 and all parametric equivalents include REACH Unaffected status, providing additional regulatory documentation.

Frequently Asked Questions (FAQ)

Q: Can 5025985193 directly replace 5025985191 in existing designs? A: Yes. Both parts are 51-position FPC connectors with identical pitch (0.3mm), mounting type (surface mount right angle), termination (solder), voltage rating (50V), and current rating (0.2A). The 5025985193 is the active production equivalent with superior availability and extended temperature range.

Q: What is the difference between the main part and substitute parts with different position counts? A: The parametric equivalents (5025981793 through 5025984593) differ only in position count, ranging from 17 to 45 positions. All other electrical and mechanical parameters remain identical. Selection depends on the specific number of signal lines required by the application.

Q: Are all substitute parts ROHS3 compliant? A: Yes. The main part 5025985191 and all substitute parts listed are ROHS3 compliant. Additionally, all active substitute parts include REACH Unaffected status.

Q: What is the packaging difference between substitute parts? A: The main part 5025985191 has no specified packaging. Direct equivalent 5025985193 is supplied in Tape & Reel (TR). Most parametric equivalents are Tape & Reel (TR), with 5025984593 (45 positions) available in Cut Tape (CT) & Digi-Reel format.

Q: Does the contact material difference between Copper Alloy and Phosphor Bronze affect compatibility? A: Both contact materials are gold-finished and rated for identical electrical performance (50V, 0.2A). The material difference does not affect electrical compatibility or mechanical fit. Both materials are suitable for solder termination applications.

Q: What is the operating temperature difference between the main part and substitutes? A: The main part 5025985191 operates from -40°C to 85°C. All substitute parts operate from -40°C to 105°C, providing extended high-temperature capability. This represents an improvement for applications requiring higher temperature performance.

Q: Are all parts in the same BackFlip Easy-On 502598 series? A: Yes. All parts listed, including the main part and all substitutes, belong to the Molex BackFlip Easy-On 502598 series, ensuring mechanical and electrical compatibility within the series.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message