Request Quote
(Ships tomorrow)
MDF7-20P-2.54DSA(55) Equivalent & Substitute Parts
Part Overview
The MDF7-20P-2.54DSA(55) is a rectangular connector header manufactured by Hirose Electric Co Ltd, designed for through-hole mounting with 20 positions at 0.100" (2.54mm) pitch. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The connector features male pins, unshrouded design, and push-pull fastening suitable for board-to-board applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | Header |
| Contact Type | Male Pin |
| Number of Positions | 20 |
| Pitch - Mating | 0.100" (2.54mm) |
| Mounting Type | Through Hole |
| Termination | Solder |
| Fastening Type | Push-Pull |
| Current Rating | 3A |
| Voltage Rating | 250V |
| Operating Temperature | -35°C ~ 85°C |
| Material Flammability Rating | UL94 V-0 |
| RoHS Status | RoHS Compliant |
Substitute Part Grouping Explanation
Substitution for the MDF7-20P-2.54DSA(55) is determined by strict alignment of the following electrical and mechanical parameters:
- Pitch and Position Count: 0.100" (2.54mm) pitch with 20 positions (non-negotiable for mechanical compatibility)
- Connector Type and Contact Type: Header with male pins for board-to-board or board-to-cable applications
- Mounting and Termination: Through-hole solder termination
- Fastening Mechanism: Push-pull fastening
- Electrical Ratings: Current rating of 3A minimum and voltage rating of 150V minimum
- Environmental Compliance: UL94 V-0 flammability rating and RoHS compliance preferred for modern applications
- Operating Temperature Range: Minimum -35°C to 85°C overlap required
Substitute parts are grouped into two categories: direct Hirose equivalents (same series, active status) and cross-manufacturer alternatives (Amphenol ICC, Preci-Dip, 3M) that meet all critical parameters.
Parameter Comparison
| Part Number | Manufacturer | Pitch | Positions | Current (A) | Voltage | Operating Temp | Contact Finish - Mating | Product Status | RoHS |
|---|---|---|---|---|---|---|---|---|---|
| MDF7-20P-2.54DSA(55) | Hirose Electric | 0.100" (2.54mm) | 20 | 3 | 250V | -35°C ~ 85°C | Tin | Obsolete | Compliant |
| MDF7-20P-2.54DSA(95) | Hirose Electric | 0.100" (2.54mm) | 20 | 3 | 250VAC | -35°C ~ 85°C | Tin | Active | Compliant |
| 68004-120HLF | Amphenol ICC (FCI) | 0.100" (2.54mm) | 20 | 5 | 110V | - | Gold or Gold, GXT™ | Active | Compliant |
| 68024-420HLF | Amphenol ICC (FCI) | 0.100" (2.54mm) | 20 | 5 | 110V | - | Tin | Active | - |
| 78511-120HLF | Amphenol ICC (FCI) | 0.100" (2.54mm) | 20 | 5 | 110V | -65°C ~ 125°C | Gold or Gold, GXT™ | Active | - |
| 890-18-020-10-003101 | Preci-Dip | 0.100" (2.54mm) | 20 | 3 | 150VDC | -55°C ~ 125°C | Gold | Active | ROHS3 Compliant |
| 890-70-020-10-003101 | Preci-Dip | 0.100" (2.54mm) | 20 | 3 | 150VDC | -55°C ~ 125°C | Gold | Active | ROHS3 Compliant |
| 929700-01-20 | 3M | 0.100" (2.54mm) | 20 | 2.5 | - | -40°C ~ 105°C | Tin-Lead | Active | Non-compliant |
| 929700-01-20-RK | 3M | 0.100" (2.54mm) | 20 | 2.5 | - | -40°C ~ 105°C | Tin | Active | Compliant |
| 929705-01-20-EU | 3M | 0.100" (2.54mm) | 20 | 2.5 | - | -40°C ~ 105°C | Gold | Active | Compliant |
| 929705-01-20-I | 3M | 0.100" (2.54mm) | 20 | 2.5 | - | -40°C ~ 105°C | Gold | Active | Compliant |
Engineering Selection Recommendations
Primary Recommendation: MDF7-20P-2.54DSA(95)
The MDF7-20P-2.54DSA(95) is the direct active equivalent from Hirose Electric. It maintains identical electrical specifications (3A, 250VAC), operating temperature range (-35°C ~ 85°C), and RoHS compliance. This part is in active production status with 661 units in stock, providing the most direct replacement path with no design modifications required.
Secondary Recommendations:
Preci-Dip 890 Series (890-18-020-10-003101 or 890-70-020-10-003101) are suitable alternatives for applications requiring extended operating temperature range (-55°C ~ 125°C) and ROHS3 compliance. Both variants maintain the 3A current rating and 0.100" pitch. The primary difference is contact finish configuration (gold on mating side with tin or gold on post side). These parts are in active production with 774 and 862 units in stock respectively.
Amphenol ICC BERGSTIK® II Series (68004-120HLF, 68024-420HLF, 78511-120HLF) offer higher current ratings (5A) and are suitable for applications with lower voltage requirements (110V). The 78511-120HLF variant provides the widest operating temperature range (-65°C ~ 125°C). These parts are in active production status.
3M 929 Series (929700-01-20-RK, 929705-01-20-EU, 929705-01-20-I) are breakaway header variants with 2.5A current rating. The RK variant features tin finish with RoHS compliance. The EU and I variants feature gold finish with RoHS compliance. These parts are suitable for applications where the lower current rating is acceptable and breakaway functionality is beneficial.
Not Recommended: 929700-01-20 (RoHS non-compliant status).
Frequently Asked Questions (FAQ)
Q: Can I use MDF7-20P-2.54DSA(95) as a direct replacement for MDF7-20P-2.54DSA(55)?
A: Yes. Both parts share identical pitch (0.100"), position count (20), current rating (3A), operating temperature range (-35°C ~ 85°C), and RoHS compliance. The primary difference is product status (active vs. obsolete) and packaging. No design modifications are required.
Q: What is the key difference between Preci-Dip 890-18-020-10-003101 and 890-70-020-10-003101?
A: Both parts are mechanically and electrically identical with 3A current rating and 0.100" pitch. The difference is in contact finish configuration: 890-18 has gold finish on mating contacts with tin on posts, while 890-70 has gold flash on both mating and post contacts. Select based on your specific contact finish requirements.
Q: Why do Amphenol ICC BERGSTIK® II parts have lower voltage ratings (110V) compared to the original MDF7-20P-2.54DSA(55) (250V)?
A: The BERGSTIK® II series is designed for different application requirements. If your design requires 250V operation, these parts are not suitable. Verify your actual voltage requirements before substitution.
Q: Are 3M 929 series parts suitable replacements if my application only requires 2.5A?
A: Yes, if your application current requirement is 2.5A or less. The 929700-01-20-RK and 929705 variants are RoHS compliant and in active production. The breakaway feature may provide additional design flexibility. Verify that the lower current rating meets your system requirements.
Q: What packaging options are available for these substitute parts?
A: MDF7-20P-2.54DSA(95) is supplied in bag packaging. Preci-Dip 890 series parts are supplied in bulk. Amphenol ICC BERGSTIK® II parts are supplied in bag packaging. 3M 929 series parts are supplied in bulk. Confirm packaging requirements with your procurement process.
Q: Do all substitute parts meet UL94 V-0 flammability requirements?
A: All listed substitute parts meet UL94 V-0 flammability rating. This specification is consistent across all alternatives.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts