ESQ-104-39-G-D Equivalent & Substitute Parts

Part Overview

The ESQ-104-39-G-D is an 8-position elevated socket connector manufactured by Samtec Inc., designed for board-to-board applications with 0.100" (2.54mm) pitch spacing. This through-hole component features gold-plated forked contacts and is rated for 5.7A per contact at 550VAC. The part is currently active in production with ROHS3 compliance and UL94 V-0 flammability rating. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the connector series, ensuring functional interchangeability in circuit designs.

Substiute Parts

ESQ-104-39-G-D
Samtec Inc.In Stock: 910ESQ-104-39-G-D Datasheet
ESQ-104-39-G-D
Current Part
ESQ-104-14-G-D
Samtec Inc.In Stock: 1220ESQ-104-14-G-D Datasheet
ESQ-104-14-G-D
Similar

Key Parameters

Parameter Value
Connector Type Elevated Socket
Number of Positions 8
Pitch - Mating 0.100" (2.54mm)
Number of Rows 2
Row Spacing - Mating 0.100" (2.54mm)
Mounting Type Through Hole
Contact Type Forked
Current Rating 5.7A per Contact
Voltage Rating 550VAC
Operating Temperature -55°C ~ 125°C
Contact Finish - Mating Gold
Insulation Material Liquid Crystal Polymer (LCP)
Material Flammability Rating UL94 V-0
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

The ESQ-104-14-G-D qualifies as a direct substitute for the ESQ-104-39-G-D based on identical electrical and mechanical specifications. Both parts share the same base product number (ESQ-104) and maintain equivalence across all critical parameters: 8-position configuration, 0.100" pitch spacing, 2-row layout, through-hole solder termination, forked contact geometry, gold plating, 5.7A current rating, 550VAC voltage rating, and -55°C to 125°C operating temperature range. Both connectors feature Liquid Crystal Polymer insulation with UL94 V-0 flammability certification and ROHS3 compliance. The substitution is valid for applications requiring board-to-board elevated socket connectivity with these electrical and thermal specifications.

Parameter Comparison

Parameter ESQ-104-39-G-D ESQ-104-14-G-D
Manufacturer Samtec Inc. Samtec Inc.
Series ESQ ESQ
Connector Type Elevated Socket Elevated Socket
Number of Positions 8 8
Contact Type Forked Forked
Pitch - Mating 0.100" (2.54mm) 0.100" (2.54mm)
Number of Rows 2 2
Row Spacing - Mating 0.100" (2.54mm) 0.100" (2.54mm)
Mounting Type Through Hole Through Hole
Termination Solder Solder
Fastening Type Push-Pull Push-Pull
Contact Finish - Mating Gold Gold
Contact Finish Thickness - Mating 20.0µin (0.51µm) 20.0µin (0.51µm)
Insulation Color Black Black
Insulation Height 0.435" (11.05mm) 0.435" (11.05mm)
Contact Length - Post 0.480" (12.19mm) 0.480" (12.19mm)
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C
Material Flammability Rating UL94 V-0 UL94 V-0
Contact Finish - Post Gold Gold
Current Rating (Amps) 5.7A per Contact 5.7A per Contact
Voltage Rating 550VAC 550VAC
Insulation Material Liquid Crystal Polymer (LCP) Liquid Crystal Polymer (LCP)
Contact Shape Square Square
Contact Material Phosphor Bronze Phosphor Bronze
Contact Finish Thickness - Post 3.00µin (0.076µm) 3.00µin (0.076µm)
Base Product Number ESQ-104 ESQ-104
RoHS Status ROHS3 Compliant ROHS3 Compliant
REACH Status REACH Unaffected REACH Unaffected
ECCN EAR99 EAR99
HTSUS 8536.69.4040 8536.69.4040
Product Status Active Active

Engineering Selection Recommendations

Both the ESQ-104-39-G-D and ESQ-104-14-G-D are active production parts with identical electrical and mechanical specifications. Selection between these parts may be based on inventory availability and supply chain considerations. The ESQ-104-39-G-D currently has 805 units in stock, while the ESQ-104-14-G-D has 1158 units available. Both parts maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements for industrial and commercial applications. The UL94 V-0 flammability rating applies to both connectors, ensuring compliance with safety standards for board-to-board interconnect applications.

Frequently Asked Questions (FAQ)

Q: Can ESQ-104-14-G-D be used as a direct replacement for ESQ-104-39-G-D?

A: Yes. Both parts are functionally equivalent across all electrical and mechanical parameters, including connector type, position count, pitch spacing, current and voltage ratings, operating temperature range, and material specifications.

Q: Are there differences in contact plating between these parts?

A: No. Both parts feature identical gold plating specifications: 20.0µin (0.51µm) on mating contacts and 3.00µin (0.076µm) on posts.

Q: Do both parts meet the same regulatory standards?

A: Yes. Both ESQ-104-39-G-D and ESQ-104-14-G-D are ROHS3 compliant, REACH unaffected, and carry UL94 V-0 flammability certification.

Q: What is the difference between these part numbers?

A: The part numbers differ in their suffix designations (39 versus 14), but this does not affect electrical or mechanical performance. Both parts share the same base product number (ESQ-104) and are manufactured by Samtec Inc. within the same ESQ series.

Q: Are the physical dimensions identical?

A: Yes. Both connectors have identical insulation height (0.435"), contact length (0.480"), and row spacing (0.100"), ensuring mechanical compatibility in PCB layouts.

Q: What is the current and voltage rating for these connectors?

A: Both parts are rated for 5.7A per contact and 550VAC, suitable for standard industrial control and signal distribution applications.

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