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Equivalent & Substitute Parts for D25P91C4PL00
Part Overview
The D25P91C4PL00 is a 25-position D-Sub plug connector with male pins, manufactured by Amphenol ICC (FCI) in the Delta D series. This connector features press-fit termination, through-hole mounting, and is rated for 5A per contact at 300V. The part is currently obsolete, necessitating identification of active substitute components that maintain electrical and mechanical compatibility for new designs or field replacements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | D-Sub Plug, Male Pins |
| Number of Positions | 25 |
| Shell Size / Layout | 3 (DB, B) |
| Mounting Type | Through Hole |
| Termination Method | Press-Fit |
| Current Rating | 5A per Contact |
| Voltage Rating | 300V |
| Operating Temperature | -55°C to 125°C |
| Material Flammability | UL94 V-0 |
| Contact Finish | Gold Flash |
Substitute Part Grouping Explanation
Substitution eligibility for D25P91C4PL00 is determined by the following mandatory parameters:
Core Electrical Compatibility:
- 25-position D-Sub connector configuration
- Male pin connector type
- Shell size 3 (DB, B) layout
- Press-fit termination method
- 300V voltage rating
- UL94 V-0 flammability rating
- Gold flash contact finish
- Operating temperature range -55°C to 125°C
Mechanical Compatibility:
- Through-hole mounting
- D-Sub plug connector style
- Grounding indents feature
Substitute parts are grouped into two categories based on current rating and product status:
Category A - Direct Electrical Equivalent (5A Rating): D25P91C4PL00LF maintains the original 5A per contact current rating and is the direct active equivalent. This part differs only in shell material finish (tin-nickel plated vs. tin plated) and RoHS compliance status.
Category B - Functional Substitutes (3A Rating): L17TF series parts (L17TF2510100, L17TF2510101, L17TF2510102, L17TF2510104, L17TF2510105, L17TF2510111, L17TF2510114, L17TF2510115) provide functional substitution with reduced current rating (3A per contact). These parts maintain all core electrical parameters, connector geometry, and termination method. Variations within the L17TF series address different flange configurations and mounting features.
Parameter Comparison
| Parameter | D25P91C4PL00 (Main) | D25P91C4PL00LF | L17TF2510100 | L17TF2510101 | L17TF2510102 | L17TF2510104 | L17TF2510105 | L17TF2510111 | L17TF2510114 | L17TF2510115 |
|---|---|---|---|---|---|---|---|---|---|---|
| Connector Type | D-Sub Plug, Male | D-Sub Plug, Male | D-Sub Plug, Male | D-Sub Plug, Male | D-Sub Plug, Male | D-Sub Plug, Male | D-Sub Plug, Male | D-Sub Plug, Male | D-Sub Plug, Male | D-Sub Plug, Male |
| Positions | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Shell Size | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Termination | Press-Fit | Press-Fit | Press-Fit | Press-Fit | Press-Fit | Press-Fit | Press-Fit | Press-Fit | Press-Fit | Press-Fit |
| Current Rating (A) | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Voltage Rating (V) | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 |
| Operating Temperature | -55°C to 125°C | -55°C to 125°C | -55°C to 125°C | -55°C to 125°C | -55°C to 125°C | -55°C to 125°C | -55°C to 125°C | -55°C to 125°C | -55°C to 125°C | -55°C to 125°C |
| Contact Finish | Gold Flash | Gold Flash | Gold Flash | Gold Flash | Gold Flash | Gold Flash | Gold Flash | Gold Flash | Gold Flash | Gold Flash |
| Flammability Rating | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| RoHS Compliance | Non-compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Engineering Selection Recommendations
For Direct Replacement (Preferred): D25P91C4PL00LF is the recommended substitute when the original 5A per contact current rating is required. This part maintains electrical equivalence while offering active product status and RoHS compliance. The tin-nickel plated shell provides enhanced corrosion resistance compared to the original tin-plated finish.
For Current-Reduced Applications: L17TF series substitutes are suitable when circuit design permits operation at 3A per contact. These parts provide active product status, RoHS compliance, and long-term availability. Selection within the L17TF series depends on specific flange and mounting feature requirements:
- L17TF2510100: Unthreaded housing/shell flange
- L17TF2510101: 4-40 threaded housing/shell flange
- L17TF2510102: 4-40 threaded mating side female screwlock
- L17TF2510104: M3 threaded housing/shell flange
- L17TF2510105: M3 threaded mating side female screwlock
- L17TF2510111: 4-40 threaded housing/shell with board lock feature
- L17TF2510114: M3 threaded housing/shell with board lock feature
- L17TF2510115: M3 threaded mating side female screwlock with board lock feature
All substitutes maintain compliance with ECCN EAR99 and HTSUS 8536.69.4040 classifications.
Frequently Asked Questions (FAQ)
Q: Can L17TF series parts directly replace D25P91C4PL00 in all applications?
A: L17TF series parts are mechanically and electrically compatible for connector geometry and termination method. However, the reduced current rating (3A vs. 5A per contact) requires circuit design verification. Applications operating below 3A per contact can use L17TF substitutes without modification.
Q: What is the difference between D25P91C4PL00LF and the original D25P91C4PL00?
A: D25P91C4PL00LF maintains the 5A per contact rating and electrical specifications. Primary differences are shell material finish (tin-nickel plated vs. tin plated), active product status, RoHS compliance, and tray packaging. Both parts are mechanically and electrically interchangeable.
Q: How do I select the correct L17TF variant?
A: L17TF part selection depends on flange configuration and mounting requirements. Identify the required flange type (unthreaded, 4-40 threaded, or M3 threaded) and whether board lock features are needed. The last two digits of the part number indicate these specifications.
Q: Are all substitute parts RoHS compliant?
A: D25P91C4PL00LF and all L17TF series parts are RoHS compliant. The original D25P91C4PL00 is RoHS non-compliant. For applications requiring RoHS compliance, use D25P91C4PL00LF or L17TF series substitutes.
Q: What is the impact of using a 3A-rated connector in a 5A circuit?
A: Operating L17TF parts (3A rating) in circuits exceeding 3A per contact will exceed component ratings and create thermal and reliability risks. Circuit redesign or use of D25P91C4PL00LF (5A rating) is required for applications requiring 5A per contact operation.
Q: Are packaging differences significant for component selection?
A: D25P91C4PL00 is supplied in standard packaging; D25P91C4PL00LF and L17TF series are supplied in tray packaging. Tray packaging is standard for active production parts and does not affect electrical or mechanical performance.
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