F05E-102146 Equivalent & Substitute Parts

Part Overview

The F05E-102146 is a 10-position FPC (Flat Flexible Connector) with bottom-mounted contacts, 0.5mm pitch, and right-angle surface mount configuration manufactured by Harwin Inc. This connector features zero insertion force (ZIF) operation, slide lock retention, and solder termination for flexible cable applications. The product is currently obsolete, making equivalent substitute parts necessary for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	F05E-102146
Manufacturer	Harwin Inc.
Category	FFC, FPC (Flat Flexible) Connectors
Number of Positions	10
Pitch	0.020" (0.50mm)
Connector Type	Contacts, Bottom
Mounting Type	Surface Mount, Right Angle
Termination	Solder
Height Above Board	0.079" (2.00mm)
Locking Feature	Slide Lock
Voltage Rating	50V
Current Rating	0.4A
Operating Temperature	-25°C ~ 85°C
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the F05E-102146 is determined by the following critical parameters:

Number of Positions: Must be 10
Pitch: Must be 0.020" (0.50mm)
Connector/Contact Type: Must be Contacts, Bottom (for direct mechanical and electrical compatibility)
Mounting Type: Must be Surface Mount, Right Angle
Termination: Must be Solder
Height Above Board: Must be 0.079" (2.00mm)
Locking Feature: Must be Slide Lock
Voltage Rating: Must be ≥50V
Operating Temperature Range: Must be -25°C ~ 85°C or wider
Material Flammability Rating: Must be UL94 V-0
RoHS Status: Must be ROHS3 Compliant

The substitute part 10FLZ-RSM2-TB (JST Sales America Inc.) meets all critical parameters and is designated as the primary manufacturer-recommended equivalent. The part 68711014522 (Würth Elektronik) also satisfies all substitution criteria. The part 10FLZ-SM2-TB differs in contact orientation (Top vs. Bottom) and is not a direct mechanical substitute for bottom-contact applications.

Parameter Comparison

Parameter	F05E-102146 (Harwin)	10FLZ-RSM2-TB (JST)	68711014522 (Würth)	10FLZ-SM2-TB (JST)
Number of Positions	10	10	10	10
Pitch	0.020" (0.50mm)	0.020" (0.50mm)	0.020" (0.50mm)	0.020" (0.50mm)
Connector/Contact Type	Contacts, Bottom	Contacts, Bottom	Contacts, Bottom	Contacts, Top
Mounting Type	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle
Termination	Solder	Solder	Solder	Solder
Height Above Board	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Locking Feature	Slide Lock	Slide Lock	Slide Lock	Slide Lock
Voltage Rating	50V	50V	50V	50V
Current Rating	0.4A	0.5A	0.5A	0.5A
Operating Temperature	-25°C ~ 85°C	-25°C ~ 85°C	-25°C ~ 85°C	-25°C ~ 85°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active

Engineering Selection Recommendations

Primary Substitute: 10FLZ-RSM2-TB (JST Sales America Inc.)

This part is the manufacturer-recommended equivalent and satisfies all critical electrical and mechanical parameters. It maintains the same 10-position, 0.5mm pitch, bottom-contact configuration with identical height and locking mechanism. The current rating of 0.5A exceeds the original 0.4A specification, providing additional margin. Active product status ensures long-term availability and supply chain continuity. ROHS3 compliance and UL94 V-0 flammability rating match the original specification.

Secondary Substitute: 68711014522 (Würth Elektronik)

This part meets all critical substitution criteria with identical electrical and mechanical parameters. It features active product status and ROHS3 compliance. The higher inventory level (3105 pcs) may provide supply advantages. Contact material differs (Phosphor Bronze vs. Copper Alloy in original), and housing material is Liquid Crystal Polymer (LCP) rather than Thermoplastic, but these variations remain within acceptable engineering tolerances for the specified application parameters.

Not Recommended: 10FLZ-SM2-TB (JST Sales America Inc.)

This part features top-mounted contacts rather than bottom-mounted contacts. This fundamental difference in contact orientation makes it mechanically incompatible with designs requiring bottom-contact configuration, despite matching all other parameters.

Frequently Asked Questions (FAQ)

Q: Can 10FLZ-RSM2-TB directly replace F05E-102146 in existing designs?

A: Yes. The 10FLZ-RSM2-TB matches all critical parameters including position count, pitch, contact orientation (bottom), mounting type, height, and locking mechanism. No PCB redesign is required.

Q: What is the difference between 10FLZ-RSM2-TB and 68711014522?

A: Both parts are functionally equivalent for the specified application. Primary differences are manufacturer (JST vs. Würth), housing material (Polyamide vs. LCP), and contact material (Phosphor Bronze vs. Copper Alloy). Both maintain identical electrical ratings and mechanical dimensions.

Q: Why is 10FLZ-SM2-TB not suitable as a substitute?

A: The 10FLZ-SM2-TB has top-mounted contacts instead of bottom-mounted contacts. This orientation difference prevents mechanical and electrical compatibility with PCB designs configured for bottom-contact connectors.

Q: Are there any current rating considerations when switching to substitute parts?

A: The substitute parts (10FLZ-RSM2-TB and 68711014522) both have a 0.5A current rating, which exceeds the original F05E-102146 specification of 0.4A. This provides additional design margin and is fully compatible with existing circuit requirements.

Q: What packaging formats are available for the substitute parts?

A: Both 10FLZ-RSM2-TB and 68711014522 are supplied in Tape & Reel (TR) packaging, suitable for automated assembly processes.

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