DF14-9S-1.25C Equivalent & Substitute Parts

Part Overview

The DF14-9S-1.25C is a 9-position rectangular connector housing manufactured by Hirose Electric Co Ltd, designed for receptacle applications with 1.25mm pitch spacing. This component is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing system support and component procurement. The connector features crimp-style female socket contacts with polyamide insulation and operates across a temperature range of -35°C to 85°C. Substitute parts must maintain electrical and mechanical compatibility while meeting current compliance standards.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	9
Pitch	0.049" (1.25mm)
Number of Rows	1
Mounting Type	Free Hanging (In-Line)
Contact Termination	Crimp
Color	Beige
Insulation Material	Polyamide (PA), Nylon
Operating Temperature	-35°C ~ 85°C
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the DF14-9S-1.25C are qualified based on the following critical parameters that determine functional and mechanical compatibility:

Connector Type & Contact Configuration: Receptacle housing with female socket contacts
Position Count & Pitch: 9 positions at 0.049" (1.25mm) spacing
Mounting & Termination: Free hanging in-line mounting with crimp termination
Insulation Material: Polyamide or nylon-based housing
Operating Temperature Range: Minimum -25°C to 85°C (DF14-9S-1.25C(10) and 125CH-D-09 both meet or exceed the original -35°C to 85°C specification)
Moisture Sensitivity: MSL 1 rating for both substitutes

Two qualified substitutes have been identified that maintain these core parameters while offering improved product status and compliance posture.

Parameter Comparison

Parameter	DF14-9S-1.25C (Original)	DF14-9S-1.25C(10)	125CH-D-09
Manufacturer	Hirose Electric Co Ltd	Hirose Electric Co Ltd	Adam Tech
Connector Type	Receptacle	Receptacle	Receptacle
Contact Type	Female Socket	Female Socket	Female Socket
Number of Positions	9	9	9
Pitch	0.049" (1.25mm)	0.049" (1.25mm)	0.049" (1.25mm)
Number of Rows	1	1	1
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)
Contact Termination	Crimp	Crimp	Crimp
Color	Beige	Beige	Beige
Insulation Material	Polyamide (PA), Nylon	Polyamide (PA), Nylon	Polyamide (PA66), Nylon 6/6
Operating Temperature	-35°C ~ 85°C	-35°C ~ 85°C	-25°C ~ 85°C
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

DF14-9S-1.25C(10) is the primary substitute option. This part maintains identical electrical and mechanical specifications to the original DF14-9S-1.25C while offering active product status and ROHS3 compliance. As a Hirose Electric Co Ltd component within the same DF14 series, it provides direct functional equivalence with enhanced regulatory compliance. Current inventory of 832 units supports immediate procurement.

125CH-D-09 is a secondary substitute manufactured by Adam Tech. This connector maintains all critical functional parameters including 9-position, 1.25mm pitch receptacle configuration with crimp termination. The component operates across -25°C to 85°C, which covers the upper temperature range of the original specification. The insulation material differs slightly (PA66 versus PA), and fastening type is specified as friction lock. ROHS3 compliance and higher current inventory (1593 units) provide additional supply security. This option is suitable for applications where the -25°C lower temperature limit is acceptable.

Frequently Asked Questions (FAQ)

Q: Can DF14-9S-1.25C(10) be used as a direct replacement for DF14-9S-1.25C?

A: Yes. Both components share identical connector type, position count, pitch, mounting configuration, and termination method. The primary difference is product status (active versus obsolete) and compliance level (ROHS3 versus RoHS). Electrical and mechanical compatibility is maintained.

Q: What is the difference between the Hirose and Adam Tech substitutes?

A: Both maintain the core 9-position, 1.25mm pitch receptacle configuration. Key differences include manufacturer (Hirose versus Adam Tech), insulation material specification (PA versus PA66), fastening type (not specified versus friction lock), and operating temperature lower limit (-35°C versus -25°C). The Adam Tech option provides higher inventory availability.

Q: Does the operating temperature difference between DF14-9S-1.25C and 125CH-D-09 affect compatibility?

A: The 125CH-D-09 operates from -25°C to 85°C, compared to the original -35°C to 85°C. Substitution is appropriate for applications where the minimum operating temperature does not fall below -25°C.

Q: Are contacts included with these connector housings?

A: No. The DF14-9S-1.25C and DF14-9S-1.25C(10) specifications explicitly note that contacts are not included. Contacts must be procured separately and are compatible with crimp termination.

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

A: DF14-9S-1.25C(10) and 125CH-D-09 are both supplied in bulk packaging, suitable for production assembly environments.

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