8520-4500VC Rectangular Connector - Equivalent & Substitute Parts

Part Overview

The 8520-4500VC is a 20-position receptacle connector manufactured by 3M, designed for board-to-board or cable applications with 0.100" (2.54mm) pitch spacing. This connector features gold-plated contacts, through-hole solder termination, and push-pull fastening. The product is currently obsolete, making identification of compatible substitute parts essential for ongoing system support and component procurement.

Substiute Parts

8520-4500VC

3MIn Stock: 11228520-4500VC Datasheet

Current PartRFQ

6-534206-0

TE Connectivity AMP ConnectorsIn Stock: 70276-534206-0 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The 6-534206-0 (TE Connectivity AMP Connectors) qualifies as a functional substitute for the 8520-4500VC based on the following critical parameters:

Matching Parameters:

• Connector type: Receptacle
• Contact type: Female Socket
• Number of positions: 20
• Pitch - mating: 0.100" (2.54mm)
• Number of rows: 2
• Row spacing - mating: 0.100" (2.54mm)
• Mounting type: Through Hole
• Termination: Solder
• Fastening type: Push-Pull
• Contact finish - mating: Gold
• Material flammability rating: UL94 V-0

These parameters define the mechanical and electrical interface compatibility. The 6-534206-0 maintains identical footprint, mating geometry, and board-level integration requirements.

Parameter Comparison

Engineering Selection Recommendations

The 6-534206-0 is the active production substitute for the obsolete 8520-4500VC. Selection between these parts should be based on the following criteria:

Use 6-534206-0 when:

• RoHS compliance is required for new designs or procurement
• Extended operating temperature range (-65°C ~ 125°C) is needed
• Higher current capacity (2A vs. 1A) provides design margin
• Active product status ensures long-term availability and supply chain stability

Use 8520-4500VC only when:

• Legacy system compatibility requires the original 3M connector
• Existing inventory must be consumed
• RoHS non-compliance is acceptable for the application

Both connectors meet UL94 V-0 flammability requirements and maintain identical mechanical interfaces for board-level integration.

Frequently Asked Questions (FAQ)

Q: Can the 6-534206-0 be used as a direct replacement for the 8520-4500VC?

A: Yes. Both connectors share identical mating pitch (0.100"), position count (20), row configuration (2 rows), mounting type (through-hole), and fastening mechanism (push-pull). The physical footprint and electrical interface are compatible.

Q: What are the differences in contact finish thickness?

A: The 8520-4500VC has 12.0µin (0.30µm) gold plating on mating contacts, while the 6-534206-0 has 30.0µin (0.76µm). The thicker plating on the substitute provides enhanced durability and contact reliability over extended mating cycles.

Q: Does the difference in insulation height affect compatibility?

A: The 8520-4500VC has 0.425" (10.80mm) insulation height versus 0.320" (8.13mm) for the 6-534206-0. This dimensional difference may affect board layout spacing and clearance requirements. Verify mechanical fit within your specific application before substitution.

Q: Why is the 6-534206-0 rated for higher current?

A: The 6-534206-0 is rated for 2A versus 1A for the 8520-4500VC. This reflects design improvements in the AMPMODU Mod II series and does not indicate incompatibility; it provides additional design margin for current-carrying applications.

Q: What is the significance of RoHS compliance?

A: The 8520-4500VC is RoHS non-compliant, while the 6-534206-0 is RoHS compliant. For applications subject to RoHS regulations or customer requirements, the 6-534206-0 is the appropriate selection.

Q: Are there packaging differences?

A: The 8520-4500VC packaging is not specified in available data. The 6-534206-0 is supplied in tube packaging. Confirm packaging requirements for your procurement process.

Q: What is the operating temperature consideration?

A: The 8520-4500VC operates from -55°C to 105°C, while the 6-534206-0 operates from -65°C to 125°C. The substitute provides a wider temperature envelope suitable for demanding thermal environments.