SSQ-120-01-S-D Equivalent & Substitute Parts

Part Overview

The SSQ-120-01-S-D is a 40-position rectangular receptacle connector manufactured by Samtec Inc., designed for board-to-board or cable applications with 0.100" (2.54mm) pitch through-hole mounting. This connector features gold-plated mating contacts, forked contact geometry, and push-pull fastening. The part is currently active in production with 689 units in stock. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and compatibility options for applications requiring 40-position receptacle connectors with matching electrical and mechanical specifications.

Substiute Parts

SSQ-120-01-S-D

Samtec Inc.In Stock: 776SSQ-120-01-S-D Datasheet

Current PartRFQ

2-534206-0

TE Connectivity AMP ConnectorsIn Stock: 1264652-534206-0 Datasheet

MFR RecommendedRFQ

929852-01-20-RB

3MIn Stock: 1293929852-01-20-RB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SSQ-120-01-S-D is determined by strict alignment of the following critical parameters:

Primary Matching Criteria:

• Connector type: Receptacle
• Number of positions: 40
• Mating pitch: 0.100" (2.54mm)
• Number of rows: 2
• Row spacing: 0.100" (2.54mm)
• Mounting type: Through hole
• Termination: Solder
• Fastening type: Push-pull
• Contact finish (mating): Gold
• Contact finish thickness (mating): 30.0µin (0.76µm)
• Insulation color: Black
• Contact shape: Square
• Contact material: Phosphor Bronze

Identified Substitutes:

2-534206-0 (TE Connectivity AMP Connectors): Meets all primary matching criteria. Differences include insulation height (0.320" vs. 0.335"), contact length post (0.115" vs. 0.104"), contact finish post (Tin-Lead vs. Tin), insulation material (Polyester, Glass Filled vs. LCP), operating temperature range (-65°C ~ 125°C vs. -55°C ~ 125°C), and current rating (2A specified vs. not specified). RoHS status differs (Not applicable vs. ROHS3 Compliant).

929852-01-20-RB (3M): Meets all primary matching criteria. Differences include insulation height (0.325" vs. 0.335"), contact length post (0.125" vs. 0.104"), contact material (Copper Alloy vs. Phosphor Bronze), insulation material (PCT/Polyester, Glass Filled vs. LCP), operating temperature range (-40°C ~ 105°C vs. -55°C ~ 125°C), current rating (2A vs. not specified), and voltage rating (1500V vs. 465VAC/655VDC).

Parameter Comparison

Engineering Selection Recommendations

SSQ-120-01-S-D (Samtec Inc.): Primary choice for applications requiring ROHS3 compliance, LCP insulation material, and the specified voltage rating of 465VAC/655VDC. Supports the full operating temperature range of -55°C to 125°C. UL94 V-0 flammability rating confirmed.

2-534206-0 (TE Connectivity AMP Connectors): Alternative for applications where RoHS compliance status is not a constraint. Offers extended low-temperature operation to -65°C. Insulation height and contact post length differ from the main part. Tin-Lead contact finish on posts differs from the main part's tin finish. Polyester, glass-filled insulation material differs from LCP. Current rating of 2A is specified. Voltage rating not specified in available data.

929852-01-20-RB (3M): Alternative for applications requiring higher voltage rating (1500V). Operating temperature range limited to -40°C to 105°C, which is narrower than the main part. Contact material is copper alloy rather than phosphor bronze. Insulation material is PCT and polyester, glass-filled. UL94 V-0 flammability rating confirmed. Current rating of 2A is specified. RoHS compliant.

Selection should be based on specific application requirements for operating temperature range, voltage rating, insulation material compatibility, and regulatory compliance status.

Frequently Asked Questions (FAQ)

Q: Can 2-534206-0 be used as a direct replacement for SSQ-120-01-S-D?

A: 2-534206-0 matches all primary electrical and mechanical parameters including connector type, position count, pitch, row configuration, mounting type, termination, fastening, and contact finish specifications. However, differences exist in insulation height (0.320" vs. 0.335"), contact post length (0.115" vs. 0.104"), insulation material (polyester, glass-filled vs. LCP), and operating temperature range (-65°C ~ 125°C vs. -55°C ~ 125°C). Application-specific requirements must be evaluated before substitution.

Q: Can 929852-01-20-RB be used as a direct replacement for SSQ-120-01-S-D?

A: 929852-01-20-RB matches all primary electrical and mechanical parameters including connector type, position count, pitch, row configuration, mounting type, termination, fastening, and contact finish specifications. However, differences exist in insulation height (0.325" vs. 0.335"), contact post length (0.125" vs. 0.104"), contact material (copper alloy vs. phosphor bronze), insulation material (PCT/polyester, glass-filled vs. LCP), operating temperature range (-40°C ~ 105°C vs. -55°C ~ 125°C), and voltage rating (1500V vs. 465VAC/655VDC). Application-specific requirements must be evaluated before substitution.

Q: What are the key differences in insulation material between these connectors?

A: SSQ-120-01-S-D uses Liquid Crystal Polymer (LCP). 2-534206-0 uses polyester with glass filler. 929852-01-20-RB uses polycyclohexylenedimethylene terephthalate (PCT) and polyester with glass filler. Material selection affects thermal performance, moisture absorption, and mechanical properties.

Q: How do the operating temperature ranges compare?

A: SSQ-120-01-S-D operates from -55°C to 125°C. 2-534206-0 operates from -65°C to 125°C, providing extended low-temperature capability. 929852-01-20-RB operates from -40°C to 105°C, with a narrower range at both extremes.

Q: What is the significance of the contact post length differences?

A: Contact post length affects PCB penetration depth and solder joint formation. SSQ-120-01-S-D has 0.104" posts, 2-534206-0 has 0.115" posts, and 929852-01-20-RB has 0.125" posts. PCB thickness and solder pad design must accommodate these variations.

Q: Are there RoHS compliance differences?

A: SSQ-120-01-S-D is ROHS3 compliant. 929852-01-20-RB is RoHS compliant. 2-534206-0 has RoHS status listed as not applicable. Applications requiring specific RoHS certification levels must account for these differences.

Q: What voltage ratings apply to each connector?

A: SSQ-120-01-S-D is rated for 465VAC and 655VDC. 929852-01-20-RB is rated for 1500V. 2-534206-0 voltage rating is not specified in available data. Application voltage requirements must be verified against these ratings.

Q: How do the contact materials differ?

A: SSQ-120-01-S-D and 2-534206-0 use phosphor bronze contacts. 929852-01-20-RB uses copper alloy contacts. Contact material affects electrical conductivity, spring characteristics, and wear resistance.