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EB71D-SA3660X Equivalent & Substitute Parts
Part Overview
The EB71D-SA3660X is a 72-position female card edge connector manufactured by Vishay Dale, designed for dual edge applications with 0.156" (3.96mm) pitch spacing. This connector features gold-plated phosphor bronze contacts, panel mount configuration, and solder eyelet termination. The product is currently obsolete, making identification of compatible substitute components essential for ongoing system support and maintenance applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | EB71D-SA3660X |
| Manufacturer | Vishay Dale |
| Category | Card Edge Connectors |
| Number of Positions | 72 |
| Gender | Female |
| Pitch | 0.156" (3.96mm) |
| Card Type | Non Specified - Dual Edge |
| Number of Rows | 2 |
| Contact Material | Phosphor Bronze |
| Contact Finish | Gold |
| Mounting Type | Panel Mount |
| Termination | Solder Eyelet(s) |
| Operating Temperature Range | -55°C ~ 125°C |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution compatibility for the EB71D-SA3660X is determined by the following critical parameters:
- Connector Type & Configuration: 72-position female card edge connector with dual edge, non-specified card type
- Electrical Interface: 0.156" (3.96mm) pitch, dual read-out configuration, 2 rows with 36 positions per row
- Contact Specifications: Phosphor bronze material with gold plating, full bellows contact type
- Mechanical Interface: Panel mount configuration with solder eyelet termination
- Environmental Compliance: Operating temperature range and RoHS/REACH certification status
The substitute part RMM36DREH from Sullins Connector Solutions meets these core substitution criteria while offering active product status and improved compliance certifications.
Parameter Comparison
| Parameter | EB71D-SA3660X (Vishay Dale) | RMM36DREH (Sullins) |
|---|---|---|
| Number of Positions | 72 | 72 |
| Gender | Female | Female |
| Pitch | 0.156" (3.96mm) | 0.156" (3.96mm) |
| Number of Rows | 2 | 2 |
| Card Type | Non Specified - Dual Edge | Non Specified - Dual Edge |
| Contact Material | Phosphor Bronze | Phosphor Bronze |
| Contact Finish | Gold | Gold |
| Mounting Type | Panel Mount | Panel Mount |
| Termination | Solder Eyelet(s) | Solder Eyelet(s) |
| Operating Temperature Range | -55°C ~ 125°C | -65°C ~ 125°C |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Material - Insulation | Diallyl Phthalate (DAP) | Polyphenylene Sulfide (PPS) |
| Card Thickness Tolerance | 0.054" ~ 0.071" (1.37mm ~ 1.80mm) | 0.062" (1.57mm) |
Engineering Selection Recommendations
The RMM36DREH represents a direct functional equivalent to the EB71D-SA3660X for 72-position dual edge card connector applications. Selection between these components should be based on the following factors:
Product Availability: The EB71D-SA3660X is obsolete. The RMM36DREH is an active product with current manufacturing support and documented inventory availability.
Compliance Requirements: The RMM36DREH meets ROHS3 compliance standards, whereas the EB71D-SA3660X is non-compliant. Systems requiring RoHS compliance must transition to the RMM36DREH.
Environmental Performance: The RMM36DREH operates across an extended lower temperature range (-65°C versus -55°C), providing broader thermal envelope coverage for demanding applications.
Material Specifications: The RMM36DREH uses Polyphenylene Sulfide (PPS) insulation material compared to Diallyl Phthalate (DAP) in the original part, offering improved chemical and thermal stability.
Card Thickness Compatibility: The RMM36DREH is specified for 0.062" (1.57mm) card thickness, which falls within the tolerance range of the EB71D-SA3660X (0.054" ~ 0.071"). Verify specific card thickness requirements for your application.
Frequently Asked Questions (FAQ)
Q: Can RMM36DREH directly replace EB71D-SA3660X in existing designs?
A: Yes. Both connectors share identical electrical interface specifications: 72 positions, 0.156" pitch, female gender, dual edge configuration, and solder eyelet termination. Mechanical mounting and electrical performance are compatible.
Q: What is the significance of the card thickness difference?
A: The EB71D-SA3660X accepts cards from 0.054" to 0.071" thick. The RMM36DREH is specified for 0.062" thickness, which is within the original tolerance range. Confirm your card thickness specification before substitution.
Q: Does the insulation material change affect performance?
A: The RMM36DREH uses PPS insulation instead of DAP. PPS provides superior chemical resistance and thermal stability. This change is functionally beneficial and does not degrade performance in standard applications.
Q: Are there compliance implications for switching to RMM36DREH?
A: Yes. The RMM36DREH is ROHS3 compliant, while the EB71D-SA3660X is non-compliant. If your system or end-market requires RoHS compliance, the RMM36DREH is the appropriate selection.
Q: What is the temperature operating range difference?
A: The RMM36DREH extends the lower operating limit to -65°C compared to -55°C for the EB71D-SA3660X. Both maintain the same upper limit of 125°C. This provides additional margin for cold environment applications.
Q: Is packaging different between these parts?
A: The EB71D-SA3660X packaging is unspecified. The RMM36DREH is supplied in Tray packaging. Confirm packaging requirements for your assembly process.
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