SFW5R-2STE9LF Equivalent & Substitute Parts

Part Overview

The SFW5R-2STE9LF is a 5-position FFC/FPC connector manufactured by Amphenol ICC (FCI) with top-mounted contacts, 1.00mm pitch, and right-angle surface mount configuration. This connector is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The part features zero insertion force (ZIF) operation, slide lock mechanism, and is rated for 100V and 1A operation across -55°C to 105°C.

Key Parameters

Parameter	Value
Manufacturer Part Number	SFW5R-2STE9LF
Manufacturer	Amphenol ICC (FCI)
Category	FFC, FPC (Flat Flexible) Connectors
Number of Positions	5
Pitch	0.039" (1.00mm)
Mounting Type	Surface Mount, Right Angle
Contact Position	Top
Flat Flex Type	FFC, FPC
FFC/FCB Thickness	0.30mm, 0.33mm
Height Above Board	0.106" (2.70mm)
Locking Feature	Slide Lock
Voltage Rating	100V
Current Rating	1A
Operating Temperature	-55°C ~ 105°C
Product Status	Obsolete
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the SFW5R-2STE9LF is determined by the following critical parameters:

Connector Type & Position: FFC/FPC with top-mounted contacts
Position Count & Pitch: 5 positions at 1.00mm (0.039") pitch
Mounting Configuration: Surface mount, right-angle orientation
Electrical Ratings: Voltage and current capacity must meet or exceed 100V and 1A
Operating Temperature Range: Must support -55°C to 105°C minimum
Mechanical Compatibility: FFC/FCB thickness tolerance (0.30mm, 0.33mm) and height above board
Locking Mechanism: Slide lock feature for secure cable retention
Termination Method: Solder termination

The substitute parts listed below are grouped based on their alignment with these parameters. Parts with reduced electrical ratings, different contact positions, or incompatible mechanical dimensions are noted for their specific limitations.

Parameter Comparison

Parameter	SFW5R-2STE9LF (Main)	0522070533 (Molex)	0527930570 (Molex)	0528520570 (Molex)	FFC3B11-05-T (GCT)
Manufacturer	Amphenol ICC (FCI)	Molex	Molex	Molex	GCT
Number of Positions	5	5	5	5	5
Pitch (mm)	1.00	1.00	1.00	1.00	1.00
Mounting Type	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle
Contact Position	Top	Top	Top	Bottom	Top
Flat Flex Type	FFC, FPC	FFC, FPC	FPC	FFC, FPC	FFC, FPC
FFC/FCB Thickness	0.30mm, 0.33mm	0.30mm	0.30mm	0.30mm	0.30mm
Height Above Board	2.70mm	2.70mm	3.10mm	3.10mm	2.50mm
Locking Feature	Slide Lock	Slide Lock	None	None	Slide Lock
Voltage Rating	100V	125V	50V	50V	50V
Current Rating	1A	1A	0.5A	0.5A	0.4A
Operating Temperature	-55°C ~ 105°C	-40°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 80°C	-25°C ~ 85°C
Mating Cycles	20	30	10	10	20
Product Status	Obsolete	Obsolete	Active	Active	Active
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent (Highest Compatibility): The Molex 0522070533 (Easy-On 52207 series) provides the closest functional equivalence to the SFW5R-2STE9LF. Both parts share identical mechanical dimensions (2.70mm height), 5-position 1.00mm pitch configuration, top contact orientation, slide lock mechanism, and 1A current rating. The 0522070533 exceeds the voltage requirement at 125V versus 100V. However, the operating temperature range is reduced to -40°C ~ 85°C, which may not satisfy applications requiring the full -55°C to 105°C range of the original part. Both parts are obsolete, indicating similar market lifecycle status.

Functional Alternatives (Reduced Electrical Ratings): The Molex 0527930570 (Easy-On 52793 series) and 0528520570 (Easy-On 52852 series) are active production alternatives with identical 5-position 1.00mm pitch and surface mount right-angle configuration. Both parts are limited to 50V and 0.5A ratings, representing significant reductions from the original 100V and 1A specifications. The 0527930570 maintains top contact orientation but lacks a locking mechanism. The 0528520570 features bottom contact orientation, requiring PCB layout modification. Both have reduced operating temperature ranges (-20°C ~ 85°C and -20°C ~ 80°C respectively) and lower mating cycle ratings (10 cycles versus 20).

Alternative with Mechanical Variation: The GCT FFC3B11-05-T (FFC3B11 series) is an active production part maintaining top contact orientation, slide lock mechanism, and 5-position 1.00mm pitch. Height above board is reduced to 2.50mm. Electrical ratings are limited to 50V and 0.4A. Operating temperature range is -25°C ~ 85°C. This part is suitable only for applications with reduced electrical and thermal requirements.

All substitute parts maintain RoHS3 compliance and UL94 V-0 flammability rating. Selection should prioritize the 0522070533 for applications where the original electrical and thermal specifications are critical, or transition to active production alternatives (0527930570, 0528520570, or FFC3B11-05-T) where reduced ratings are acceptable.

Frequently Asked Questions (FAQ)

Q: Can the Molex 0522070533 be used as a direct replacement for the SFW5R-2STE9LF?

A: The 0522070533 is mechanically and functionally compatible with identical pitch, position count, height, and locking mechanism. Electrical compatibility is confirmed with 125V and 1A ratings exceeding the original 100V and 1A specification. The primary limitation is the reduced operating temperature range (-40°C ~ 85°C versus -55°C ~ 105°C). Use this part only if your application does not require operation below -40°C or above 85°C.

Q: Why do the Molex 0527930570 and 0528520570 have lower electrical ratings?

A: These parts are from different product series (Easy-On 52793 and 52852) designed for lower-power applications. The 0527930570 is limited to FPC (not FFC) with 50V and 0.5A ratings. The 0528520570 uses bottom contact orientation instead of top, and is also rated for 50V and 0.5A. These parts are suitable only for applications with reduced electrical requirements.

Q: What is the impact of the 0528520570 having bottom contacts instead of top contacts?

A: Bottom contact orientation requires the cable to be inserted from the opposite side of the PCB. This necessitates PCB layout modification and is not a direct mechanical substitute. Use this part only if your design can accommodate bottom-side cable routing.

Q: Is the GCT FFC3B11-05-T suitable for high-current applications?

A: No. The FFC3B11-05-T is rated for 0.4A maximum, which is below the original 1A specification. It is suitable only for low-power signal applications. Additionally, its 50V rating is half the original 100V specification.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, maintaining environmental compliance equivalent to or exceeding the original SFW5R-2STE9LF RoHS Compliant status.

Q: What is the difference between FFC and FPC cable types?

A: FFC (Flat Flexible Cable) contains internal conductors and is more rigid. FPC (Flexible Printed Circuit) is a printed circuit on flexible substrate. The SFW5R-2STE9LF accepts both types. The Molex 0527930570 accepts FPC only, limiting cable compatibility.

Q: Can I use the 0522070533 in applications requiring -55°C operation?

A: No. The 0522070533 operating temperature minimum is -40°C. For applications requiring -55°C operation, the original SFW5R-2STE9LF or equivalent parts with matching temperature specifications must be used. Verify alternative sources or consider design modification to reduce temperature requirements.

Q: What does "mating cycles" mean and why does it vary between parts?

A: Mating cycles indicate the number of times the connector can be mated and unmated before performance degradation. The original part supports 20 cycles. The 0522070533 supports 30 cycles (improved durability). The Molex 0527930570, 0528520570, and GCT FFC3B11-05-T support only 10 cycles, indicating reduced mechanical durability for high-frequency mating applications.

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