SDF-70J Equivalent & Substitute Parts

Part Overview

The SDF-70J is a 7-position circular connector receptacle manufactured by CUI Devices, featuring female sockets with solder termination and DIN 270-degree shell configuration. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations. The connector is designed for through-hole, right-angle mounting applications requiring shielded connections with push-pull fastening.

Substiute Parts

SDF-70J

CUI DevicesIn Stock: 772SDF-70J Datasheet

Current PartRFQ

5212046-1

TE Connectivity AMP ConnectorsIn Stock: 10795212046-1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SDF-70J is determined by strict alignment of the following critical parameters:

• Connector configuration: Receptacle with female sockets
• Position count: 7 positions
• Shell geometry: DIN 270-degree insert
• Mounting method: Through-hole, right-angle orientation
• Termination type: Solder
• Fastening mechanism: Push-pull
• Electrical shielding: Shielded design
• Contact material and finish: Brass with tin plating
• Flammability compliance: UL94 V-0

The substitute part 5212046-1 (TE Connectivity AMP Connectors) satisfies all mandatory configuration parameters. Differences in current rating, voltage rating, operating temperature range, and shell material represent enhanced or alternative specifications that do not preclude functional substitution in applications within the SDF-70J's original electrical and thermal envelope.

Parameter Comparison

Engineering Selection Recommendations

The 5212046-1 is a direct functional substitute for the SDF-70J based on matching connector architecture, electrical interface, and mechanical configuration. The substitute part carries active product status with ROHS3 compliance, providing supply chain continuity for applications currently using the obsolete SDF-70J.

The 5212046-1 demonstrates enhanced electrical ratings (7.5A current, 250VAC voltage) and extended operating temperature range (-55°C ~ 105°C) compared to the SDF-70J specifications. These elevated ratings ensure compatibility with the original design envelope while providing margin for thermal and electrical stress. The shell material transition from PBT to polyamide (PA/nylon) maintains UL94 V-0 flammability compliance and does not compromise mechanical or environmental performance within the specified operating conditions.

Frequently Asked Questions (FAQ)

Q: Can the 5212046-1 be used as a direct replacement for the SDF-70J in existing designs?

A: Yes. Both connectors share identical configurations for connector type, position count, shell size, mounting method, termination, fastening, and shielding. The substitute part meets or exceeds all electrical and thermal specifications of the original component.

Q: What are the key differences between these two connectors?

A: The primary differences are product status (obsolete vs. active), shell material (PBT vs. polyamide), and electrical/thermal ratings. The 5212046-1 provides higher current capacity (7.5A vs. 2A), higher voltage rating (250VAC vs. 100VAC), and wider operating temperature range (-55°C to 105°C vs. -40°C to 85°C).

Q: Are there packaging differences between the SDF-70J and 5212046-1?

A: The SDF-70J packaging information is not specified in available data. The 5212046-1 is supplied in tube packaging. Verify packaging requirements for your procurement and assembly processes.

Q: Do both connectors meet RoHS requirements?

A: Yes. The SDF-70J is RoHS Compliant. The 5212046-1 is ROHS3 Compliant, representing current regulatory alignment.

Q: What is the contact finish thickness specification for the 5212046-1?

A: The 5212046-1 specifies contact finish thickness of 100.0µin (2.54µm) for mating surfaces. The SDF-70J contact finish thickness is not provided in available documentation.