25CH-E-07 Equivalent & Substitute Parts

Part Overview

The 25CH-E-07 is a 7-position rectangular connector receptacle housing manufactured by Adam Tech with a 2.50mm pitch. This component is classified as obsolete, necessitating identification of equivalent and substitute parts for ongoing applications. The housing features a friction lock fastening mechanism and accommodates crimp-terminated female socket contacts in a single-row, free-hanging inline configuration.

Key Parameters

Parameter	Value
Manufacturer Part Number	25CH-E-07
Manufacturer	Adam Tech
Category	Rectangular Connectors
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	7
Pitch	0.098" (2.50mm)
Number of Rows	1
Mounting Type	Free Hanging (In-Line)
Contact Termination	Crimp
Fastening Type	Friction Lock
Insulation Material	Polyamide (PA66), Nylon 6/6
Operating Temperature	-40°C ~ 105°C
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the 25CH-E-07 are grouped based on the following critical parameters that determine functional interchangeability:

Primary Substitution Criteria:

Connector type: Receptacle
Contact type: Female socket
Number of positions: 7
Pitch: 0.098" (2.50mm)
Number of rows: 1
Mounting type: Free hanging (in-line)
Contact termination: Crimp
Fastening type: Friction lock

Substitute Categories:

Adam Tech Series Substitutes (25CH-E6-07, 25CH-C-07): These parts maintain identical electrical and mechanical specifications within the 25CH series. Differences are limited to color (beige for 25CH-E6-07, white for 25CH-C-07) and product status (both active). Operating temperature ranges differ from the main part.

Cross-Manufacturer Parametric Equivalent (0511020700): The Molex 0511020700 from the Mini-Lock 51102 series matches all critical electrical and mechanical parameters. Insulation material differs (polybutylene terephthalate versus polyamide), and product status is obsolete.

Parameter Comparison

Parameter	25CH-E-07	25CH-E6-07	25CH-C-07	0511020700
Manufacturer	Adam Tech	Adam Tech	Adam Tech	Molex
Connector Type	Receptacle	Receptacle	Receptacle	Receptacle
Contact Type	Female Socket	Female Socket	Female Socket	Female Socket
Number of Positions	7	7	7	7
Pitch	0.098" (2.50mm)	0.098" (2.50mm)	0.098" (2.50mm)	0.098" (2.50mm)
Number of Rows	1	1	1	1
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)
Contact Termination	Crimp	Crimp	Crimp	Crimp
Fastening Type	Friction Lock	Friction Lock	Friction Lock	Friction Lock
Insulation Material	Polyamide (PA66), Nylon 6/6	Polyamide (PA66), Nylon 6/6	Polyamide (PA66), Nylon 6/6	Polybutylene Terephthalate (PBTP)
Operating Temperature	-40°C ~ 105°C	-25°C ~ 85°C	-25°C ~ 85°C	-40°C ~ 105°C
Color	Natural	Beige	White	White
Product Status	Obsolete	Active	Active	Obsolete
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Active Product Sourcing: The 25CH-E6-07 and 25CH-C-07 are recommended as primary substitutes due to active product status and ROHS3 compliance. Both maintain identical mechanical and electrical specifications within the 25CH series. Selection between these two should be based on color requirements for the application. Note that operating temperature range is reduced to -25°C ~ 85°C compared to the original -40°C ~ 105°C specification.

For Extended Temperature Applications: If the full -40°C ~ 105°C operating temperature range is required, the Molex 0511020700 provides equivalent performance. This part maintains the original temperature specification and ROHS3 compliance, though it carries obsolete product status. Insulation material differs (polybutylene terephthalate versus polyamide).

Compliance Considerations: All substitute parts maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1), ensuring regulatory alignment with the original component.

Frequently Asked Questions (FAQ)

Q: Can 25CH-E6-07 or 25CH-C-07 be used as direct replacements for 25CH-E-07?

A: Yes, both parts are mechanically and electrically compatible. All critical parameters—connector type, contact type, position count, pitch, mounting configuration, termination method, and fastening mechanism—are identical. The primary differences are color and operating temperature range (-25°C ~ 85°C versus -40°C ~ 105°C). Verify that the reduced temperature range meets application requirements.

Q: What is the difference between 25CH-E6-07 and 25CH-C-07?

A: These parts are functionally identical. The only difference is housing color: 25CH-E6-07 is beige, while 25CH-C-07 is white. Both are active products with identical electrical and mechanical specifications.

Q: Is the Molex 0511020700 a suitable substitute?

A: The Molex 0511020700 matches all critical electrical and mechanical parameters and maintains the full -40°C ~ 105°C operating temperature range. The insulation material differs (polybutylene terephthalate versus polyamide). Both parts are ROHS3 compliant. This part is classified as obsolete.

Q: Why does the operating temperature range differ between substitutes?

A: The 25CH-E6-07 and 25CH-C-07 have a reduced operating temperature range of -25°C ~ 85°C, while the original 25CH-E-07 and Molex 0511020700 support -40°C ~ 105°C. This reflects differences in insulation material thermal performance. Applications requiring the full temperature range should use the original specification or the Molex equivalent.

Q: Are all substitutes ROHS3 compliant?

A: Yes, all listed substitute parts are ROHS3 compliant, matching the regulatory status of the original 25CH-E-07.

Q: What does "contacts not included" mean?

A: The connector housing is supplied without pre-installed contacts. Contacts must be sourced separately and crimped into the housing according to the connector's specifications.

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