FH19SC-26S-0.5SH(99) Equivalent & Substitute Parts

Part Overview

The FH19SC-26S-0.5SH(99) is a 26-position FFC/FPC connector manufactured by Hirose Electric Co Ltd, designed for surface mount, right-angle applications with bottom contact configuration. This connector features a 0.5mm pitch, flip lock mechanism, and zero insertion force (ZIF) operation. The part is currently obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	FH19SC-26S-0.5SH(99)
Manufacturer	Hirose Electric Co Ltd
Category	FFC, FPC (Flat Flexible) Connectors
Number of Positions	26
Pitch	0.020" (0.50mm)
Mounting Type	Surface Mount, Right Angle
Contact Configuration	Bottom Contacts
Voltage Rating	50V
Current Rating	0.5A
Operating Temperature Range	-55°C ~ 85°C
Locking Feature	Flip Lock
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the FH19SC-26S-0.5SH(99) is determined by the following critical parameters:

Position Count: 26 positions (fixed requirement)
Pitch: 0.020" (0.50mm) (fixed requirement)
Mounting Type: Surface mount, right angle (fixed requirement)
Voltage & Current Ratings: 50V, 0.5A minimum (fixed requirement)
Termination: Solder (fixed requirement)
RoHS Compliance: Required
Contact Material & Finish: Phosphor bronze with gold finish (fixed requirement)

Two substitute parts meet these criteria with allowable variations in contact configuration, locking mechanism, and operating temperature range.

Parameter Comparison

Parameter	FH19SC-26S-0.5SH(99)	FH19SC-26S-0.5SH(09)	FH34SRJ-26S-0.5SH(99)
Manufacturer	Hirose Electric Co Ltd	Hirose Electric Co., Ltd.	Hirose Electric Co Ltd
Number of Positions	26	26	26
Pitch	0.020" (0.50mm)	0.020" (0.50mm)	0.020" (0.50mm)
Mounting Type	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle
Contact Configuration	Bottom Contacts	Bottom Contacts	Top and Bottom Contacts
Voltage Rating	50V	50V	50V
Current Rating	0.5A	0.5A	0.5A
Operating Temperature Range	-55°C ~ 85°C	-55°C ~ 85°C	-55°C ~ 105°C
Locking Feature	Flip Lock	Flip Lock	Rotary Lock, Backlock
Contact Material	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Contact Finish	Gold	Gold	Gold
Housing Material	LCP, Halogen Free	LCP, Halogen Free	LCP, Halogen Free
Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	RoHS Compliant	RoHS Compliant	RoHS Compliant
Product Status	Obsolete	Active	Active
Mating Cycles	20	20	20

Engineering Selection Recommendations

FH19SC-26S-0.5SH(09) is the primary parametric equivalent. This part maintains identical electrical specifications, mechanical configuration, and contact arrangement as the obsolete FH19SC-26S-0.5SH(99). The only difference is packaging format (Cut Tape versus Tape & Reel). This part is active and carries full RoHS compliance. Selection of this part requires no design modifications.

FH34SRJ-26S-0.5SH(99) is a direct substitute with functional compatibility. This part maintains all critical electrical parameters (26 positions, 0.5mm pitch, 50V/0.5A ratings) and mounting configuration. The primary differences are contact configuration (top and bottom versus bottom only), locking mechanism (rotary lock with backlock versus flip lock), and extended operating temperature range (-55°C ~ 105°C versus -55°C ~ 85°C). This part is active and RoHS compliant. Selection requires verification that the PCB layout accommodates top and bottom contact access and that the rotary lock mechanism is compatible with the application's mechanical constraints.

Frequently Asked Questions (FAQ)

Q: Can FH19SC-26S-0.5SH(09) be used as a direct replacement for FH19SC-26S-0.5SH(99)?

A: Yes. Both parts are identical in electrical specifications, mechanical dimensions, contact configuration, and locking mechanism. The difference is packaging format only. No design changes are required.

Q: What is the key difference between FH19SC-26S-0.5SH(99) and FH34SRJ-26S-0.5SH(99)?

A: The FH34SRJ variant features top and bottom contact access, whereas the FH19SC provides bottom contacts only. The FH34SRJ also uses a rotary lock with backlock mechanism instead of a flip lock. The FH34SRJ supports an extended operating temperature range to 105°C. PCB layout compatibility must be verified before selection.

Q: Are all three parts RoHS compliant?

A: Yes. FH19SC-26S-0.5SH(99), FH19SC-26S-0.5SH(09), and FH34SRJ-26S-0.5SH(99) are all RoHS compliant with UL94 V-0 flammability rating.

Q: What packaging formats are available?

A: FH19SC-26S-0.5SH(99) is supplied in Tape & Reel format. FH19SC-26S-0.5SH(09) is supplied in Cut Tape format. FH34SRJ-26S-0.5SH(99) is supplied in Tape & Reel format.

Q: Can the FH34SRJ-26S-0.5SH(99) be used in applications requiring only bottom contact access?

A: Yes. The presence of top contacts does not prevent bottom-only operation. However, the different locking mechanism and housing geometry must be verified for mechanical compatibility with the existing PCB and cable assembly design.

Q: What is the moisture sensitivity level for these parts?

A: All three parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

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