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DF3-12S-2DSA(50) Equivalent & Substitute Parts
Part Overview
The DF3-12S-2DSA(50) is a 12-position receptacle connector manufactured by Hirose Electric Co Ltd, designed for board-to-board or cable applications with 0.079" (2.00mm) pitch mating. This connector features gold-plated mating contacts, through-hole solder termination, and friction lock fastening. The part is classified as obsolete, making identification of suitable substitutes necessary for ongoing design support and procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | DF3-12S-2DSA(50) |
| Manufacturer | Hirose Electric Co Ltd |
| Series | DF3 |
| Connector Type | Receptacle |
| Number of Positions | 12 |
| Pitch - Mating | 0.079" (2.00mm) |
| Contact Type | Female Socket |
| Mounting Type | Through Hole |
| Termination | Solder |
| Current Rating | 3A |
| Voltage Rating | 30VAC |
| Operating Temperature | -30°C ~ 85°C |
| Contact Finish - Mating | Gold |
| Material Flammability Rating | UL94 V-0 |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility for the DF3-12S-2DSA(50) is determined by the following critical parameters:
- Connector Series & Pitch: Must be DF3 series with 0.079" (2.00mm) mating pitch to ensure mechanical and electrical compatibility with mating connectors
- Position Count & Configuration: Must maintain 12 positions with single-row layout
- Connector Type & Contact Type: Must be receptacle with female socket contacts
- Mounting & Termination: Must support through-hole solder termination
- Electrical Ratings: Must maintain 3A current rating and 30VAC voltage rating minimum
- Environmental Specifications: Must support -30°C ~ 85°C operating temperature range and UL94 V-0 flammability rating
The substitute part DF3-12S-2DSA(55) meets all these criteria while offering improved product status and regulatory compliance.
Parameter Comparison
| Parameter | DF3-12S-2DSA(50) | DF3-12S-2DSA(55) | Match Status |
|---|---|---|---|
| Manufacturer | Hirose Electric Co Ltd | Hirose Electric Co Ltd | Identical |
| Series | DF3 | DF3 | Identical |
| Connector Type | Receptacle | Receptacle | Identical |
| Number of Positions | 12 | 12 | Identical |
| Pitch - Mating | 0.079" (2.00mm) | 0.079" (2.00mm) | Identical |
| Contact Type | Female Socket | Female Socket | Identical |
| Mounting Type | Through Hole | Through Hole | Identical |
| Termination | Solder | Solder | Identical |
| Current Rating | 3A | 3A | Identical |
| Voltage Rating | 30VAC | 30VAC | Identical |
| Operating Temperature | -30°C ~ 85°C | -30°C ~ 85°C | Identical |
| Contact Finish - Mating | Gold | Gold | Identical |
| Insulation Material | Polyamide (PA), Nylon | Polyamide (PA), Nylon | Identical |
| Contact Material | Phosphor Bronze | Phosphor Bronze | Identical |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 | Identical |
| Insulation Height | 0.232" (5.90mm) | 0.232" (5.90mm) | Identical |
| Contact Length - Post | 0.118" (3.00mm) | 0.118" (3.00mm) | Identical |
| Mated Stacking Heights | 6.6mm, 7.5mm | 6.6mm, 7.5mm | Identical |
| Product Status | Obsolete | Active | Substitute is Active |
| RoHS Status | RoHS non-compliant | RoHS Compliant | Substitute is Compliant |
| Packaging | - | Tube | Substitute has defined packaging |
Engineering Selection Recommendations
The DF3-12S-2DSA(55) is a direct substitute for the DF3-12S-2DSA(50). All critical electrical, mechanical, and environmental parameters are identical. The substitute part offers two significant advantages:
- Product Status: DF3-12S-2DSA(55) is active, ensuring continued availability and manufacturer support, whereas DF3-12S-2DSA(50) is obsolete
- Regulatory Compliance: DF3-12S-2DSA(55) is RoHS compliant, meeting current environmental regulations, while DF3-12S-2DSA(50) is RoHS non-compliant
Selection of DF3-12S-2DSA(55) is appropriate for new designs and ongoing production requiring current regulatory compliance and long-term component availability.
Frequently Asked Questions (FAQ)
Q: Can DF3-12S-2DSA(55) be used as a direct replacement for DF3-12S-2DSA(50)?
A: Yes. Both connectors are identical in all critical parameters including pitch, position count, contact type, electrical ratings, and mechanical dimensions. The substitute is fully compatible with existing mating connectors and PCB layouts designed for the original part.
Q: What is the difference between DF3-12S-2DSA(50) and DF3-12S-2DSA(55)?
A: The primary differences are product status and regulatory compliance. DF3-12S-2DSA(55) is an active product with RoHS compliance, while DF3-12S-2DSA(50) is obsolete and RoHS non-compliant. All functional and electrical specifications are identical.
Q: Why is DF3-12S-2DSA(50) listed as obsolete?
A: Obsolete status indicates the manufacturer has discontinued production. DF3-12S-2DSA(55) represents the current production equivalent within the DF3 series.
Q: Does packaging differ between these parts?
A: DF3-12S-2DSA(55) is supplied in tube packaging. The original part number does not specify packaging. This does not affect connector functionality or compatibility.
Q: Are there any thermal or electrical performance differences?
A: No. Both parts maintain identical operating temperature range (-30°C ~ 85°C), current rating (3A), and voltage rating (30VAC).
Q: Is DF3-12S-2DSA(55) suitable for applications requiring RoHS compliance?
A: Yes. DF3-12S-2DSA(55) is RoHS compliant and suitable for applications with regulatory compliance requirements.
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