HFW4R-2STAE1LF FPC Connector Equivalent & Substitute Parts

Part Overview

The HFW4R-2STAE1LF is a 4-position FPC (Flat Flexible Cable) connector manufactured by Amphenol ICC (FCI) with top-contact, right-angle surface mount configuration. This connector is designed for applications requiring reliable interconnection of flat flexible cables with 1.00mm pitch spacing.

The HFW4R-2STAE1LF is currently listed as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production or repair requirements for systems utilizing this connector.

Key Parameters

Parameter	Value
Connector Type	FPC Connector, Contacts Top
Number of Positions	4
Pitch	0.039" (1.00mm)
Mounting Type	Surface Mount, Right Angle
Termination Method	Solder
FFC/FCB Thickness	0.30mm
Height Above Board	0.075" (1.90mm)
Voltage Rating	100V
Current Rating	1A
Operating Temperature Range	-55°C to 105°C
Material Flammability Rating	UL94 V-0
Mating Cycles	30
RoHS Compliance	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of FPC connectors is determined by strict equivalence across the following critical parameters:

Connector Configuration: 4-position, top-contact FPC connector
Pitch Spacing: 0.039" (1.00mm) — must match exactly for cable compatibility
Mounting Style: Surface mount, right-angle orientation
Electrical Ratings: 100V voltage rating and 1A current rating
Operating Temperature: -55°C to 105°C range
Termination: Solder attachment method
Cable Thickness Compatibility: 0.30mm FFC/FCB thickness
Mechanical Height: 0.075" (1.90mm) above PCB
Compliance Standards: UL94 V-0 flammability rating, RoHS compliance

The substitute part HFW4R-2STAE1H1LF meets all these critical parameters. The primary difference is the housing material composition and product status (active vs. obsolete), which does not affect electrical or mechanical compatibility.

Parameter Comparison

Parameter	HFW4R-2STAE1LF (Main Part)	HFW4R-2STAE1H1LF (Substitute)
Manufacturer	Amphenol ICC (FCI)	Amphenol ICC (FCI)
Category	FFC, FPC Connectors	FFC, FPC Connectors
Description	CONN FPC TOP 4POS 1MM R/A	CONN FPC TOP 4POS 1MM R/A
Series	HFW-R	HFW-R
Product Status	Obsolete	Active
Number of Positions	4	4
Pitch	0.039" (1.00mm)	0.039" (1.00mm)
Mounting Type	Surface Mount, Right Angle	Surface Mount, Right Angle
Connector/Contact Type	Contacts, Top	Contacts, Top
Termination	Solder	Solder
FFC, FCB Thickness	0.30mm	0.30mm
Height Above Board	0.075" (1.90mm)	0.075" (1.90mm)
Cable End Type	Tapered	Tapered
Contact Material	Phosphor Bronze	Phosphor Bronze
Contact Finish	Gold	Gold
Housing Material	Polyamide (PA6T), Nylon 6T, Glass Filled	Liquid Crystal Polymer (LCP), Halogen Free
Features	Solder Retention	Solder Retention
Voltage Rating	100V	100V
Operating Temperature	-55°C to 105°C	-55°C to 105°C
Material Flammability Rating	UL94 V-0	UL94 V-0
Current Rating	1A	1A
Mating Cycles	30	30
RoHS Status	RoHS Compliant	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)
Packaging	Bulk	Tape & Reel (TR)

Engineering Selection Recommendations

The HFW4R-2STAE1H1LF is a direct functional equivalent to the HFW4R-2STAE1LF. Both connectors share identical electrical ratings, mechanical dimensions, pitch spacing, and termination methods. The substitute part is currently in active production status, ensuring ongoing availability and supply chain support.

The housing material difference (Polyamide PA6T Glass Filled vs. Liquid Crystal Polymer Halogen Free) does not affect electrical or mechanical compatibility. The LCP material in the substitute part offers enhanced thermal stability and halogen-free composition, which may provide additional environmental compliance benefits in certain applications.

The HFW4R-2STAE1H1LF is available in Tape & Reel packaging, which is standard for production environments and supports automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can HFW4R-2STAE1H1LF be used as a direct replacement for HFW4R-2STAE1LF?

A: Yes. Both connectors are electrically and mechanically equivalent. They share identical pitch spacing (1.00mm), position count (4), mounting configuration (surface mount right-angle), electrical ratings (100V, 1A), and operating temperature range (-55°C to 105°C). The connectors are interchangeable at the PCB level.

Q: What is the significance of the housing material difference?

A: The main part uses glass-filled Polyamide (PA6T), while the substitute uses Liquid Crystal Polymer (LCP) with halogen-free composition. Both materials meet UL94 V-0 flammability requirements. The LCP material provides superior thermal performance and environmental compliance. This difference does not affect connector function or compatibility.

Q: Why is the main part listed as obsolete?

A: Product obsolescence typically reflects manufacturing discontinuation by the supplier. The HFW4R-2STAE1H1LF remains in active production and serves the same functional requirements, making it the appropriate alternative for new designs and ongoing supply needs.

Q: Are there packaging differences between these parts?

A: Yes. The HFW4R-2STAE1LF is supplied in bulk packaging, while the HFW4R-2STAE1H1LF is supplied in Tape & Reel (TR) format. Tape & Reel packaging is standard for production environments and supports automated pick-and-place assembly. Bulk packaging may require manual handling or reeling for automated processes.

Q: Do both connectors support the same cable thickness?

A: Yes. Both connectors are designed for 0.30mm FFC/FCB cable thickness. Cable compatibility is identical between the two parts.

Q: What are the mating cycle ratings for these connectors?

A: Both connectors are rated for 30 mating cycles, indicating the expected number of connection/disconnection operations before mechanical wear becomes a consideration.

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