FH12-5S-1SH Equivalent & Substitute Parts

Part Overview

The FH12-5S-1SH is a 5-position FFC/FPC connector manufactured by Hirose Electric Co Ltd, designed for surface mount, right-angle applications with 0.039" (1.00mm) pitch spacing. This connector features a flip lock mechanism, zero insertion force (ZIF) design, and solder termination for flat flexible cable assemblies. The main part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	FH12-5S-1SH
Manufacturer	Hirose Electric Co Ltd
Category	FFC, FPC (Flat Flexible) Connectors
Number of Positions	5
Pitch	0.039" (1.00mm)
Mounting Type	Surface Mount, Right Angle
Connector/Contact Type	Contacts, Bottom
Termination	Solder
Voltage Rating	50V
Current Rating	0.5A
Operating Temperature	-40°C ~ 85°C
FFC, FCB Thickness	0.30mm
Height Above Board	0.079" (2.00mm)
Material Flammability Rating	UL94 V-0
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the FH12-5S-1SH is determined by the following critical parameters:

Number of Positions: Must be 5
Pitch: Must be 0.039" (1.00mm)
Mounting Type: Must be Surface Mount, Right Angle
Connector/Contact Type: Must be Contacts, Bottom
Termination: Must be Solder
Voltage Rating: Must be 50V or higher
Current Rating: Must be 0.5A or higher
Operating Temperature Range: Must encompass -40°C ~ 85°C
FFC, FCB Thickness: Must be 0.30mm
Material Flammability Rating: Must be UL94 V-0 or equivalent
Moisture Sensitivity Level: Must be 1 (Unlimited)

The following substitute parts meet these core electrical and mechanical requirements:

Direct Equivalent (Same Manufacturer):

FH12-5S-1SH(55) — Hirose Electric Co Ltd (Active status, tape & reel packaging)

Cross-Manufacturer Substitutes:

0522710569 — Molex (Active status, tape & reel packaging)
1734798-5 — TE Connectivity AMP Connectors (Active status)

Parameter Comparison

Parameter	FH12-5S-1SH (Main)	FH12-5S-1SH(55)	0522710569 (Molex)	1734798-5 (TE)
Number of Positions	5	5	5	5
Pitch	0.039" (1.00mm)	0.039" (1.00mm)	0.039" (1.00mm)	0.039" (1.00mm)
Mounting Type	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle
Connector/Contact Type	Contacts, Bottom	Contacts, Bottom	Contacts, Bottom	Contacts, Bottom
Termination	Solder	Solder	Solder	Solder
FFC, FCB Thickness	0.30mm	0.30mm	0.30mm	0.30mm
Height Above Board	0.079" (2.00mm)	0.079" (2.00mm)	0.118" (3.00mm)	0.126" (3.20mm)
Voltage Rating	50V	50V	50V	50V
Current Rating	0.5A	0.5A	0.5A	0.5A
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-20°C ~ 85°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant
Contact Finish	Tin-Lead	Gold	Gold	Tin

Engineering Selection Recommendations

FH12-5S-1SH(55) (Hirose Electric Co Ltd)

This is the direct equivalent from the original manufacturer. It maintains identical electrical and mechanical specifications to the main part, including the same 0.079" (2.00mm) height above board. The primary differences are active product status and ROHS3 compliance. This part is recommended as the primary substitute for direct replacement in new designs and production runs.

0522710569 (Molex)

This cross-manufacturer substitute meets all core electrical and mechanical requirements. It features ROHS3 compliance and active product status. The height above board is 0.118" (3.00mm), which is 0.039" (1.00mm) higher than the original part. This dimensional difference requires PCB layout verification to ensure clearance compatibility. The slide lock mechanism differs from the original flip lock design.

1734798-5 (TE Connectivity AMP Connectors)

This cross-manufacturer substitute meets all core electrical and mechanical requirements with RoHS compliance and active product status. The height above board is 0.126" (3.20mm), requiring PCB layout verification. The operating temperature minimum is -20°C, which is 20°C higher than the original specification. This part lacks a specified locking feature and actuator material designation.

Frequently Asked Questions (FAQ)

Q: Can FH12-5S-1SH(55) be used as a direct replacement for FH12-5S-1SH?

A: Yes. FH12-5S-1SH(55) is the direct equivalent from Hirose Electric Co Ltd with identical electrical and mechanical specifications. The primary advantage is active product status and ROHS3 compliance compared to the obsolete, non-compliant original part.

Q: What is the main difference between the Hirose and Molex substitutes?

A: FH12-5S-1SH(55) maintains the original 0.079" (2.00mm) height above board. The Molex 0522710569 has a height of 0.118" (3.00mm) and uses a slide lock mechanism instead of a flip lock. PCB layout must be verified for clearance compatibility.

Q: Can the TE Connectivity 1734798-5 be used in applications requiring -40°C operation?

A: No. The TE Connectivity part specifies an operating temperature range of -20°C ~ 85°C, which does not meet the original -40°C minimum requirement. This part is not suitable for applications requiring full -40°C ~ 85°C operation.

Q: Are all substitute parts RoHS compliant?

A: FH12-5S-1SH(55) and 0522710569 are ROHS3 compliant. 1734798-5 is RoHS compliant. The original FH12-5S-1SH is RoHS non-compliant.

Q: What packaging options are available for these substitutes?

A: FH12-5S-1SH(55) and 0522710569 are available in Tape & Reel (TR) packaging. 1734798-5 packaging is not specified in the provided data.

Q: Do all substitutes support the same current and voltage ratings?

A: Yes. All substitute parts support 50V voltage rating and 0.5A current rating, matching the original FH12-5S-1SH specifications.

Q: What is the contact finish difference between substitutes?

A: FH12-5S-1SH(55) and 0522710569 feature gold contact finish. 1734798-5 features tin contact finish. The original FH12-5S-1SH uses tin-lead contact finish.

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