Molex 5016283191 FFC/FPC Connector - Equivalent & Substitute Parts

Part Overview

The Molex 5016283191 is a 31-position FPC (Flat Flexible Cable) connector from the Easy-On 501628 series, designed for surface mount, right-angle applications with bottom contact configuration. This connector features a 0.3mm pitch and is rated for 50V and 0.2A operation across a temperature range of -25°C to 85°C.

The 5016283191 is classified as obsolete. Locating equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or repair requirements for legacy systems utilizing this connector type.

Key Parameters

Parameter	Value
Manufacturer Part Number	5016283191
Manufacturer	Molex
Category	FFC, FPC (Flat Flexible) Connectors
Number of Positions	31
Pitch	0.012" (0.30mm)
Mounting Type	Surface Mount, Right Angle
Connector/Contact Type	Contacts, Bottom
Voltage Rating	50V
Current Rating	0.2A
Operating Temperature	-25°C ~ 85°C
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for FPC connectors is determined by strict alignment of core electrical and mechanical parameters. The following criteria establish whether a part qualifies as a direct substitute for the Molex 5016283191:

Critical Matching Parameters:

Number of positions: 31
Pitch specification: 0.012" (0.30mm)
Mounting configuration: Surface Mount, Right Angle
Contact arrangement: Bottom contacts
Termination method: Solder
Voltage rating: 50V minimum
Current rating: 0.2A minimum
Connector type: FPC (Flat Flexible Cable)
Locking mechanism: Flip Lock
Cable end type: Tabbed

The substitute part 5035663102 meets all critical parameters and represents a direct functional equivalent. The primary distinction is product status: the substitute is active production, whereas the original is obsolete.

Parameter Comparison

Parameter	5016283191 (Main Part)	5035663102 (Substitute)
Manufacturer	Molex	Molex
Series	Easy-On 501628	Easy-On 503566
Number of Positions	31	31
Pitch	0.012" (0.30mm)	0.012" (0.30mm)
Mounting Type	Surface Mount, Right Angle	Surface Mount, Right Angle
Contact Type	Contacts, Bottom	Contacts, Bottom
Termination	Solder	Solder
FFC Thickness	0.20mm	0.20mm
Height Above Board	0.035" (0.88mm)	0.037" (0.95mm)
Locking Feature	Flip Lock	Flip Lock
Cable End Type	Tabbed	Tabbed
Contact Material	Copper Alloy	Phosphor Bronze
Contact Finish	Gold	Gold
Housing Material	LCP, Glass Filled	LCP, Glass Filled
Actuator Material	PA, Nylon, Glass Filled	PA, Nylon, Glass Filled
Voltage Rating	50V	50V
Operating Temperature	-25°C ~ 85°C	-40°C ~ 105°C
Current Rating	0.2A	0.2A
Mating Cycles	10	10
Product Status	Obsolete	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

The Molex 5035663102 is the direct substitute for the obsolete 5016283191. Both connectors are ROHS3 compliant and carry identical electrical ratings (50V, 0.2A) and mechanical specifications (31 positions, 0.3mm pitch, surface mount right-angle configuration).

The substitute offers an extended operating temperature range (-40°C to 105°C versus -25°C to 85°C) and improved contact material composition (Phosphor Bronze versus Copper Alloy), providing enhanced performance margins. The height above board differential (0.037" versus 0.035") is within typical PCB layout tolerances for right-angle FPC applications.

The 5035663102 is in active production status with established supply chain availability, making it the appropriate selection for new designs, production continuity, and legacy system support where the original part is no longer obtainable.

Frequently Asked Questions (FAQ)

Q: Can the 5035663102 be used as a direct replacement for the 5016283191 in existing designs?

A: Yes. Both connectors share identical position count (31), pitch (0.3mm), mounting configuration (surface mount right-angle), contact arrangement (bottom), and electrical ratings (50V, 0.2A). The substitute meets all functional requirements for direct substitution.

Q: What is the significance of the contact material difference (Copper Alloy versus Phosphor Bronze)?

A: Phosphor Bronze provides superior electrical conductivity and mechanical durability compared to Copper Alloy. This material upgrade in the substitute part enhances long-term reliability and contact resistance stability.

Q: Does the extended temperature range of the 5035663102 affect compatibility?

A: No. The substitute's operating range (-40°C to 105°C) encompasses the original part's range (-25°C to 85°C). Extended temperature capability provides additional design margin without introducing incompatibility.

Q: Is the 0.002" height difference (0.035" versus 0.037") significant for PCB layout?

A: No. This 0.002" (0.05mm) differential is negligible for standard PCB design and assembly processes. Both connectors are compatible with equivalent board clearance specifications.

Q: Are both parts RoHS compliant?

A: Yes. Both the 5016283191 and 5035663102 are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings, meeting current regulatory and environmental standards.

Q: What packaging format is available for the substitute part?

A: The 5035663102 is supplied in Tape & Reel (TR) format, standard for high-volume surface mount assembly operations.

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