SFW16R-2STE9LF Equivalent & Substitute Parts

Part Overview

The SFW16R-2STE9LF is a 16-position FFC/FPC connector manufactured by Amphenol ICC (FCI) with top-mounted contacts, 1.00mm pitch, and right-angle surface mount configuration. This connector features Zero Insertion Force (ZIF) operation with slide lock actuation and is designed for flat flexible cable applications requiring reliable signal transmission in compact form factors.

The SFW16R-2STE9LF is classified as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and support long-term product availability for applications currently utilizing this connector.

Key Parameters

Parameter	Value
Manufacturer Part Number	SFW16R-2STE9LF
Manufacturer	Amphenol ICC (FCI)
Category	FFC, FPC (Flat Flexible) Connectors
Number of Positions	16
Pitch	0.039" (1.00mm)
Connector Type	Contacts, Top
Mounting Type	Surface Mount, Right Angle
Flat Flex Type	FFC, FPC
Termination	Solder
Height Above Board	0.106" (2.70mm)
Locking Feature	Slide Lock
Features	Zero Insertion Force (ZIF)
Voltage Rating	100V
Current Rating	1A
Operating Temperature	-55°C ~ 105°C
Material Flammability Rating	UL94 V-0
Product Status	Obsolete
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitute parts for the SFW16R-2STE9LF are identified based on strict alignment with the following critical parameters:

Number of Positions: 16 (mandatory match)
Pitch: 0.039" (1.00mm) (mandatory match)
Mounting Type: Surface Mount, Right Angle (mandatory match)
Connector/Contact Type: Top-mounted contacts (primary criterion)
Termination: Solder (mandatory match)
Flat Flex Type: FFC, FPC compatibility (mandatory match)
Locking Feature: Slide Lock (preferred for mechanical compatibility)
Features: Zero Insertion Force (ZIF) operation (preferred for functional compatibility)

Substitutes are categorized into two groups:

Group 1: Direct Parametric Equivalent

SFW16R-2STE5LF (Amphenol ICC): Identical electrical and mechanical specifications with active product status and tape & reel packaging.

Group 2: Manufacturer-Recommended Alternatives

0522071633 (Molex Easy-On 52207): Top-mounted FFC/FPC connector with matching position, pitch, and mounting configuration. Obsolete status.
0527931670 (Molex Easy-On 52793): Top-mounted FPC connector with matching position, pitch, and mounting configuration. Active status.
0522711679 (Molex 52271): Bottom-mounted FPC connector with matching position and pitch. Represents alternative contact orientation.
0528521670 (Molex Easy-On 52852): Bottom-mounted FFC/FPC connector with matching position and pitch. Represents alternative contact orientation.

Parameter Comparison

Parameter	SFW16R-2STE9LF	SFW16R-2STE5LF	0522071633	0527931670	0522711679	0528521670
Manufacturer	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Molex	Molex	Molex	Molex
Number of Positions	16	16	16	16	16	16
Pitch	0.039" (1.00mm)	0.039" (1.00mm)	0.039" (1.00mm)	0.039" (1.00mm)	0.039" (1.00mm)	0.039" (1.00mm)
Connector Type	Contacts, Top	Contacts, Top	Contacts, Top	Contacts, Top	Contacts, Bottom	Contacts, Bottom
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
Flat Flex Type	FFC, FPC	FFC, FPC	FFC, FPC	FPC	FPC	FFC, FPC
Termination	Solder	Solder	Solder	Solder	Solder	Solder
Height Above Board	0.106" (2.70mm)	0.106" (2.70mm)	0.106" (2.70mm)	0.122" (3.10mm)	0.118" (3.00mm)	0.122" (3.10mm)
Locking Feature	Slide Lock	Slide Lock	Slide Lock	None	Slide Lock	None
Features	Zero Insertion Force (ZIF)	Zero Insertion Force (ZIF)	Solder Retention, Zero Insertion Force (ZIF)	Solder Retention	Solder Retention, Zero Insertion Force (ZIF)	Solder Retention
Voltage Rating	100V	100V	125V	50V	50V	50V
Current Rating	1A	1A	1A	0.5A	0.5A	0.5A
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-40°C ~ 85°C	-20°C ~ 85°C	-40°C ~ 85°C	-20°C ~ 80°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Product Status	Obsolete	Active	Obsolete	Active	Active	Active
RoHS Status	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitute: SFW16R-2STE5LF

The SFW16R-2STE5LF is the direct parametric equivalent to the SFW16R-2STE9LF. Both parts share identical electrical and mechanical specifications, including 16 positions, 1.00mm pitch, top-mounted contacts, right-angle surface mount configuration, 100V voltage rating, 1A current rating, and -55°C to 105°C operating temperature range. The SFW16R-2STE5LF is currently in active product status, making it the preferred choice for new designs and ongoing supply requirements. Both parts are RoHS compliant and carry UL94 V-0 flammability ratings.

Secondary Substitutes: Molex Alternatives

The Molex 0522071633 (Easy-On 52207) provides functional equivalence with matching position count, pitch, mounting configuration, and top-mounted contact orientation. However, this part is obsolete and exhibits reduced operating temperature range (-40°C to 85°C) and lower current rating (1A maintained but with reduced voltage margin at 125V). The absence of ZIF features in certain Molex alternatives may impact assembly procedures.

The Molex 0527931670 (Easy-On 52793) is an active product offering top-mounted contact configuration with matching position and pitch specifications. This part operates at reduced voltage (50V) and current (0.5A) ratings and lacks slide lock actuation. The operating temperature range is narrower (-20°C to 85°C). Selection of this part requires verification that application requirements do not exceed these electrical and thermal limits.

Contact Orientation Alternatives

The Molex 0522711679 (52271) and 0528521670 (Easy-On 52852) feature bottom-mounted contact orientation, representing a different mechanical interface. These parts are suitable only for applications where bottom-mounted contact configuration is compatible with PCB layout and cable routing. Both exhibit reduced electrical ratings (50V voltage, 0.5A current) compared to the original part.

Compliance Considerations

All substitute parts maintain UL94 V-0 flammability compliance. The SFW16R-2STE5LF and Molex alternatives carry ROHS3 compliance status, ensuring regulatory alignment with current environmental standards. Moisture sensitivity level remains at MSL 1 (Unlimited) across all parts, indicating no special handling requirements during storage or assembly.

Frequently Asked Questions (FAQ)

Q: Can SFW16R-2STE5LF be used as a direct replacement for SFW16R-2STE9LF?

A: Yes. The SFW16R-2STE5LF is a direct parametric equivalent with identical electrical and mechanical specifications. The primary difference is packaging format (tape & reel versus cut tape) and active product status. No design modifications are required.

Q: What are the key differences between top-mounted and bottom-mounted FFC/FPC connectors?

A: Top-mounted connectors (SFW16R-2STE9LF, SFW16R-2STE5LF, 0522071633, 0527931670) position contacts on the upper surface of the connector body. Bottom-mounted connectors (0522711679, 0528521670) position contacts on the lower surface. This affects PCB layout, cable routing, and mechanical clearance requirements. Selection depends on application-specific spatial constraints and cable orientation.

Q: Are Molex alternatives electrically compatible with the original Amphenol ICC part?

A: Molex alternatives share the same position count (16), pitch (1.00mm), and mounting configuration (surface mount, right angle). However, electrical ratings differ. The Molex 0527931670 and 0522711679 operate at reduced voltage (50V) and current (0.5A) compared to the original part (100V, 1A). Verify that application requirements do not exceed these reduced ratings before substitution.

Q: What is the significance of the slide lock feature?

A: The slide lock feature provides mechanical retention of the flat flexible cable within the connector body, preventing accidental disconnection during assembly, handling, or operation. The original SFW16R-2STE9LF includes slide lock actuation. Some Molex alternatives (0527931670, 0528521670) lack this feature, which may impact assembly procedures and mechanical reliability in applications subject to vibration or mechanical stress.

Q: Does operating temperature range affect part selection?

A: Yes. The original SFW16R-2STE9LF operates across -55°C to 105°C. Molex alternatives exhibit narrower temperature ranges: 0522071633 operates -40°C to 85°C, 0527931670 operates -20°C to 85°C, and 0528521670 operates -20°C to 80°C. Applications requiring operation below -40°C or above 85°C must use the original part or SFW16R-2STE5LF equivalent.

Q: What packaging formats are available?

A: The SFW16R-2STE9LF is supplied in cut tape (CT) format. The SFW16R-2STE5LF is supplied in tape & reel (TR) format, which is standard for high-volume manufacturing. Molex parts are supplied in either cut tape or tape & reel depending on the specific part number. Packaging selection affects ordering quantities and assembly line compatibility.

Q: Are all substitute parts RoHS compliant?

A: Yes. The SFW16R-2STE9LF is RoHS compliant. All substitute parts carry ROHS3 compliance status, ensuring regulatory alignment with current environmental directives. No additional compliance verification is required for RoHS requirements.

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