Molex 0781191149 FFC Vertical 14-Position 0.5mm Surface Mount Connector – Equivalent & Substitute Parts

Part Overview

The Molex 0781191149 is a 14-position flat flexible connector (FFC) with 0.5mm pitch, vertical orientation, and surface mount termination. This connector is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. The part operates within a 50V rating and -40°C to 85°C temperature range, suitable for consumer electronics, computing peripherals, and industrial control systems requiring compact interconnection solutions.

Key Parameters

Parameter	Value
Manufacturer Part Number	0781191149
Manufacturer	Molex
Category	FFC, FPC (Flat Flexible) Connectors
Number of Positions	14
Pitch	0.020" (0.50mm)
Mounting Type	Surface Mount
Connector/Contact Type	Contacts, Vertical – 1 Sided
Height Above Board	0.161" (4.10mm)
FFC, FCB Thickness	0.30mm
Voltage Rating	50V
Current Rating	0.5A
Operating Temperature	-40°C ~ 85°C
Contact Material	Copper Alloy
Contact Finish	Tin Bismuth
Housing Material	Polyamide (PA46), Nylon 4/6, Glass Filled
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the Molex 0781191149 is determined by strict alignment of the following critical parameters:

Core Compatibility Parameters:

Number of Positions: 14
Pitch: 0.020" (0.50mm)
Mounting Type: Surface Mount
Connector/Contact Type: Contacts, Vertical – 1 Sided
Height Above Board: 0.161" (4.10mm)
FFC, FCB Thickness: 0.30mm
Voltage Rating: 50V
Operating Temperature: -40°C ~ 85°C
Termination: Solder

Allowable Variations:

Contact Material: Copper Alloy or Phosphor Bronze
Contact Finish: Tin Bismuth, Tin Copper, or Gold
Housing Material: Polyamide (PA46), Plastic, Thermoplastic, or Liquid Crystal Polymer (LCP)
Current Rating: 0.4A to 0.5A (within acceptable tolerance for this connector class)
Mating Cycles: 10 to 20 cycles

Substitute parts must maintain identical electrical and mechanical interfaces. Housing material and contact finish variations do not affect functional compatibility but may influence environmental performance and cost considerations.

Parameter Comparison

Parameter	0781191149 (Main)	046244414010800+	046244414010846+	046244414011800+	046244414011846+	0781191410	0781191710	0781271410
Manufacturer	Molex	KYOCERA AVX	KYOCERA AVX	KYOCERA AVX	KYOCERA AVX	Molex	Molex	Molex
Number of Positions	14	14	14	14	14	14	14	14
Pitch	0.020" (0.50mm)	0.020" (0.50mm)	0.020" (0.50mm)	0.020" (0.50mm)	0.020" (0.50mm)	0.020" (0.50mm)	0.020" (0.50mm)	0.020" (0.50mm)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Height Above Board	0.161" (4.10mm)	0.161" (4.10mm)	0.161" (4.10mm)	0.161" (4.10mm)	0.161" (4.10mm)	0.161" (4.10mm)	0.161" (4.10mm)	0.161" (4.10mm)
FFC, FCB Thickness	0.30mm	0.30mm	0.30mm	0.30mm	0.30mm	0.30mm	0.30mm	0.30mm
Voltage Rating	50V	50V	50V	50V	50V	50V	50V	50V
Current Rating	0.5A	0.4A	0.4A	0.4A	0.4A	0.5A	0.5A	0.5A
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Contact Material	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Contact Finish	Tin Bismuth	Tin Copper	Gold	Tin Copper	Gold	Tin Bismuth	Tin Bismuth	Tin Bismuth
Housing Material	Polyamide (PA46), Nylon 4/6, Glass Filled	Plastic	Plastic	Thermoplastic	Plastic	Liquid Crystal Polymer (LCP), Glass Filled	Liquid Crystal Polymer (LCP), Glass Filled	Liquid Crystal Polymer (LCP), Glass Filled
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified	Not specified	ROHS3 Compliant
Mating Cycles	20	Not specified	Not specified	Not specified	Not specified	10	10	10

Engineering Selection Recommendations

Primary Substitutes (Molex Series):

The Molex parts 0781191410, 0781191710, and 0781271410 are direct functional equivalents within the Easy-On 78119 and 78127 series. All three maintain active product status, ensuring long-term availability and supply chain stability. These parts share identical mechanical and electrical specifications with the obsolete 0781191149, with variations limited to housing material (Liquid Crystal Polymer versus Polyamide) and contact material (Phosphor Bronze versus Copper Alloy). The Molex 0781271410 offers the highest inventory availability (25,345 units) and is recommended as the primary replacement for new designs and production continuity.

Secondary Substitutes (KYOCERA AVX Series):

The KYOCERA AVX 6244 series connectors (046244414010800+, 046244414010846+, 046244414011800+, 046244414011846+) provide cross-manufacturer compatibility. These parts maintain all critical mechanical and electrical parameters but operate at 0.4A current rating compared to the 0.5A rating of the main part. This 20% reduction in current capacity is within acceptable tolerance for most applications but must be evaluated against circuit requirements. All KYOCERA AVX substitutes feature Low Insertion Force (LIF) design and active product status. Contact finish options include Tin Copper and Gold, providing flexibility for different environmental and reliability requirements. The 046244414010846+ variant offers the highest inventory (10,425 units) among the KYOCERA AVX options.

Compliance Considerations:

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental and regulatory requirements of the original part. The Molex 0781191149 carries UL94 V-0 flammability certification; substitute parts from both manufacturers do not specify this rating but are suitable for equivalent applications.

Frequently Asked Questions (FAQ)

Q: Can KYOCERA AVX 046244414010846+ directly replace Molex 0781191149 in existing designs?

A: Yes, with current rating consideration. The KYOCERA AVX part maintains identical mechanical fit, pitch, position count, and voltage rating. The primary difference is the 0.4A current rating versus 0.5A on the original. If your circuit draws less than 0.4A per contact, substitution is direct. If current exceeds 0.4A, the Molex 0781191410, 0781191710, or 0781271410 are preferred to maintain the original 0.5A rating.

Q: What is the difference between Tin Bismuth, Tin Copper, and Gold contact finishes?

A: Contact finish affects corrosion resistance and environmental performance. Tin Bismuth (original part) provides standard corrosion protection. Tin Copper offers improved durability in moderate environments. Gold provides superior corrosion resistance and is recommended for high-reliability applications or harsh environments. All three finishes are electrically compatible within this connector class.

Q: Why does Molex 0781271410 have a different series designation (78127 vs. 78119)?

A: The 0781271410 belongs to the Easy-On 78127 series but maintains identical mechanical and electrical specifications as the 78119 series. Series designation reflects internal Molex product line organization and does not affect functional compatibility. The part is a direct substitute.

Q: Are there packaging differences between the substitute parts?

A: The original Molex 0781191149 is listed without specified packaging. All substitute parts are supplied in Tape & Reel (TR) format, which is standard for surface mount connectors and compatible with automated assembly processes.

Q: What is the significance of the "+" suffix in KYOCERA AVX part numbers?

A: The "+" suffix indicates packaging configuration and lead finish specifications within KYOCERA AVX's product coding system. It does not affect electrical or mechanical compatibility. Parts with and without the "+" suffix within the same base number are functionally equivalent.

Q: Can I mix different substitute parts in the same production run?

A: Yes, all listed substitutes are mechanically and electrically compatible. However, for consistency in manufacturing and quality control, using a single part number per production batch is recommended. If mixing is necessary, ensure current rating requirements are met by the lowest-rated part in use (0.4A for KYOCERA AVX variants).

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