SFW8R-2STE9LF Equivalent & Substitute Parts

Part Overview

The SFW8R-2STE9LF is an 8-position FFC/FPC connector manufactured by Amphenol ICC (FCI) with top-mounted contacts, right-angle surface mount configuration, and 1.00mm pitch. This connector features zero insertion force (ZIF) operation with slide lock mechanism and is designed for flat flexible cable applications. The product is currently obsolete, making equivalent substitute parts necessary for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Manufacturer Part Number	SFW8R-2STE9LF
Manufacturer	Amphenol ICC (FCI)
Category	FFC, FPC (Flat Flexible) Connectors
Number of Positions	8
Pitch	0.039" (1.00mm)
Mounting Type	Surface Mount, Right Angle
Connector/Contact Type	Contacts, Top
Termination	Solder
Locking Feature	Slide Lock
Voltage Rating	100V
Current Rating	1A
Operating Temperature Range	-55°C ~ 105°C
Product Status	Obsolete
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the SFW8R-2STE9LF is determined by the following critical parameters:

Mandatory Matching Parameters:

Number of Positions: 8
Pitch: 0.039" (1.00mm)
Mounting Type: Surface Mount, Right Angle
Connector/Contact Type: Contacts, Top
Termination: Solder
Locking Feature: Slide Lock
Flat Flex Type: FFC, FPC

Acceptable Variation Parameters:

Voltage Rating: Substitute must meet or exceed 100V
Current Rating: Substitute must meet or exceed 1A
Operating Temperature Range: Substitute must cover or exceed -55°C ~ 105°C
Height Above Board: Minor variations acceptable within mechanical envelope constraints
Housing/Actuator Material: Variations acceptable if mechanical and electrical performance maintained
Product Status: Active status preferred for long-term availability

The substitute part FFC3B11-08-T meets the mandatory matching parameters but operates within reduced electrical and thermal specifications.

Parameter Comparison

Parameter	SFW8R-2STE9LF (Main)	FFC3B11-08-T (Substitute)	Match Status
Number of Positions	8	8	Match
Pitch	0.039" (1.00mm)	0.039" (1.00mm)	Match
Mounting Type	Surface Mount, Right Angle	Surface Mount, Right Angle	Match
Connector/Contact Type	Contacts, Top	Contacts, Top	Match
Termination	Solder	Solder	Match
Locking Feature	Slide Lock	Slide Lock	Match
Flat Flex Type	FFC, FPC	FFC, FPC	Match
Voltage Rating	100V	50V	Reduced
Current Rating	1A	0.4A	Reduced
Operating Temperature Range	-55°C ~ 105°C	-25°C ~ 85°C	Reduced
Height Above Board	0.106" (2.70mm)	0.098" (2.50mm)	Minor Variation
Contact Material	Phosphor Bronze	Phosphor Bronze	Match
Contact Finish	Tin	Tin	Match
Material Flammability Rating	UL94 V-0	UL94 V-0	Match
Mating Cycles	20	20	Match
Product Status	Obsolete	Active	Improved
RoHS Status	RoHS Compliant	ROHS3 Compliant	Match/Improved

Engineering Selection Recommendations

FFC3B11-08-T Substitution Suitability:

The FFC3B11-08-T is an active product from GCT with full mechanical and electrical compatibility for the SFW8R-2STE9LF footprint and mating interface. Both connectors share identical position count, pitch, mounting configuration, and contact type, ensuring direct PCB layout compatibility.

Electrical Derating Consideration:

The substitute part operates at reduced voltage (50V vs. 100V) and current (0.4A vs. 1A) ratings with a narrower temperature operating range (-25°C ~ 85°C vs. -55°C ~ 105°C). Applications requiring the full electrical or thermal specifications of the original part must verify that the substitute's reduced ratings remain within system design margins.

Compliance Status:

Both parts maintain UL94 V-0 flammability rating and RoHS compliance. The substitute achieves ROHS3 compliance, meeting current regulatory requirements. Both parts are rated for 20 mating cycles with identical contact materials and finishes.

Availability Advantage:

The FFC3B11-08-T is currently in active production with 2056 units in stock, compared to the obsolete status of the original part. This ensures long-term supply chain continuity for new designs and ongoing production support.

Frequently Asked Questions (FAQ)

Q: Can FFC3B11-08-T be used as a direct replacement for SFW8R-2STE9LF?

A: Yes, for applications within the substitute's electrical and thermal specifications. Both connectors share identical mechanical interfaces, position count, pitch, and mounting configuration. PCB layouts and mating cable assemblies are directly compatible.

Q: What are the key electrical differences between these parts?

A: The substitute operates at 50V maximum voltage versus 100V for the original, and 0.4A maximum current versus 1A. Applications must verify that circuit voltage and current requirements do not exceed the substitute's ratings.

Q: Are there temperature range limitations with the substitute?

A: Yes. The FFC3B11-08-T operates from -25°C to 85°C, compared to -55°C to 105°C for the original part. Systems requiring operation outside this range must use the original part or identify alternative solutions.

Q: Is the physical height difference significant?

A: The substitute is 0.008" (0.20mm) lower (2.50mm vs. 2.70mm). This minor variation is typically accommodated within standard PCB design clearances but should be verified against specific mechanical constraints.

Q: What is the packaging difference?

A: The substitute is supplied in Tape & Reel (TR) format, suitable for automated assembly. The original part packaging is not specified in available data.

Q: Are both parts RoHS compliant?

A: Yes. The original part is RoHS Compliant, and the substitute is ROHS3 Compliant, meeting current and future regulatory requirements.

Q: How many mating cycles are supported?

A: Both connectors support 20 mating cycles with identical slide lock mechanisms and contact materials.

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