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DBM25P500C D-Sub 25 Position Right Angle Solder Plug Connector
Part Overview
The DBM25P500C is a 25 position D-Sub plug connector manufactured by Amphenol ICC (FCI) in the DM HE501 series. This through-hole, right-angle solder connector features male pins with a DB/B shell size (Size 3) and is designed for signal applications. The connector is actively produced and maintains 981 units in current inventory. Equivalent and substitute parts are necessary when addressing supply chain constraints, specific flange requirements, or compliance certifications that differ from the original specification.
Substiute Parts
Key Parameters
| Parameter | DBM25P500C Specification |
|---|---|
| Connector Type | D-Sub Plug, Male Pins |
| Number of Positions | 25 |
| Shell Size, Connector Layout | 3 (DB, B) |
| Mounting Type | Through Hole, Right Angle |
| Termination | Solder |
| Shell Material, Finish | Steel, Yellow Cadmium Plated |
| Contact Finish | Gold |
| Current Rating | 7.5A per Contact |
| Voltage Rating | 300V |
| Operating Temperature | -55°C to 125°C |
| Material Flammability Rating | UL94 V-0 |
| RoHS Status | RoHS Non-Compliant |
Substitute Part Grouping Explanation
Substitution of the DBM25P500C is determined by strict alignment of the following parameters:
- Connector type: D-Sub plug with male pins
- Position count: 25 positions
- Shell size and layout: Size 3 (DB, B)
- Mounting configuration: Through hole, right angle
- Termination method: Solder
- Material flammability: UL94 V-0
- Operating temperature range: -55°C to 125°C minimum
Substitute parts are grouped by flange feature configuration (unthreaded housing, 4-40 threaded housing, or mating side female screwlock) and shell material finish. Current rating and voltage rating variations are acceptable within the electrical design envelope. RoHS compliance status and contact finish thickness specifications differ among substitutes but do not preclude functional equivalence for applications where the original part is suitable.
Parameter Comparison
| Parameter | DBM25P500C | 09683635812 | 09683637813 | 182-025-113R161 | 182-025-113R171 | 182-025-113R181 | 182-025-113R531 | 5747238-2 | 5747238-3 | 5747238-4 | 5747238-6 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Amphenol ICC (FCI) | HARTING | HARTING | NorComp Inc. | NorComp Inc. | NorComp Inc. | NorComp Inc. | TE Connectivity | TE Connectivity | TE Connectivity | TE Connectivity |
| Connector Type | Plug, Male Pins | Plug, Male Pins | Plug, Male Pins | Plug, Male Pins | Plug, Male Pins | Plug, Male Pins | Plug, Male Pins | Plug, Male Pins | Plug, Male Pins | Plug, Male Pins | Plug, Male Pins |
| Number of Positions | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Shell Size, Connector Layout | 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) | 3 (DB, B) |
| Mounting Type | Through Hole, Right Angle | Through Hole, Right Angle | Through Hole, Right Angle | Panel Mount, Through Hole, Right Angle | Panel Mount, Through Hole, Right Angle | Panel Mount, Through Hole, Right Angle | Panel Mount, Through Hole, Right Angle | Through Hole, Right Angle | Through Hole, Right Angle | Through Hole, Right Angle | Through Hole, Right Angle |
| Termination | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder |
| Flange Feature | Housing/Shell (Unthreaded) | Housing/Shell (4-40) | Mating Side, Female Screwlock (4-40) | Housing/Shell (Unthreaded) | Housing/Shell (4-40) | Mating Side, Female Screwlock (4-40) | Housing/Shell (4-40) | Housing/Shell (Unthreaded) | Housing/Shell (4-40) | Housing/Shell (4-40) | Mating Side, Female Screwlock (4-40) |
| Shell Material, Finish | Steel, Yellow Cadmium Plated | Steel | Steel | Steel, Nickel Plated | Steel, Nickel Plated | Steel, Nickel Plated | Steel, Nickel Plated | Steel, Tin Plated | Steel, Tin Plated | Steel, Tin Plated | Steel, Tin Plated |
| Contact Finish | Gold | Gold or Gold-Palladium | Not Specified | Gold | Gold | Gold | Gold | Gold | Gold | Gold | Gold |
| Current Rating (Amps) | 7.5A per Contact | 6.5A | 6.5A | 5A | 5A | 5A | 5A | 6A | 6A | 6A | 6A |
| Voltage Rating | 300V | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | 125V | 125V | 125V | 125V |
| Operating Temperature | -55°C to 125°C | -55°C to 125°C | -55°C to 125°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C |
| Material 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 | UL94 V-0 |
| RoHS Status | RoHS Non-Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
All listed substitute parts maintain active product status and meet the core functional requirements of 25 position D-Sub plug connectors with right-angle solder termination and UL94 V-0 flammability rating.
HARTING parts 09683635812 and 09683637813 maintain the operating temperature range of -55°C to 125°C and are ROHS3 compliant. These parts differ in flange configuration and current rating (6.5A versus 7.5A of the original).
NorComp Inc. 182 series parts (182-025-113R161, 182-025-113R171, 182-025-113R181, 182-025-113R531) are ROHS3 compliant with panel mount capability and nickel-plated steel shells. Operating temperature is limited to -55°C to 105°C. Current rating is 5A. These parts offer multiple flange options and higher inventory availability (1,199 to 10,862 units).
TE Connectivity AMPLIMITE HD-20 series parts (5747238-2, 5747238-3, 5747238-4, 5747238-6) are RoHS compliant with tin-plated steel shells and 6A current rating. Operating temperature is -55°C to 105°C with 125V voltage rating. These parts provide multiple flange configurations and substantial inventory (1,540 to 8,033 units).
Selection should prioritize RoHS compliance requirements for new designs. Applications requiring 300V rating or operating temperatures above 105°C should retain the original DBM25P500C or HARTING equivalents. Flange feature selection depends on mechanical mounting requirements: unthreaded housing for standard through-hole mounting, 4-40 threaded housing for panel-mount applications, or mating side female screwlock for connector-to-connector locking.
Frequently Asked Questions (FAQ)
Q: Can I substitute a NorComp 182 series connector for the DBM25P500C in a high-temperature application?
A: NorComp 182 series connectors operate to 105°C maximum, while the DBM25P500C operates to 125°C. Applications requiring sustained operation above 105°C require the original part or HARTING equivalents (09683635812 or 09683637813).
Q: What is the difference between the flange options in the NorComp and TE Connectivity substitute parts?
A: Housing/Shell (Unthreaded) provides standard through-hole PCB mounting. Housing/Shell (4-40) adds threaded mounting holes for panel-mount applications. Mating Side, Female Screwlock (4-40) provides connector-to-connector locking capability with threaded engagement.
Q: Are all substitute parts RoHS compliant?
A: The original DBM25P500C is RoHS non-compliant. All listed substitutes are RoHS3 or RoHS compliant. Applications subject to RoHS regulations must use substitute parts rather than the original.
Q: Does the lower current rating of NorComp parts (5A) affect compatibility?
A: Current rating is an electrical design parameter. If the application requires 7.5A per contact, NorComp parts rated at 5A are not suitable. HARTING (6.5A) or TE Connectivity (6A) parts provide higher current capacity but still below the original specification.
Q: What is the impact of different shell finishes (cadmium, nickel, tin plating)?
A: Shell finish affects corrosion resistance and environmental suitability. Yellow cadmium plating (original) provides superior corrosion resistance in harsh environments. Nickel and tin plating offer RoHS-compliant alternatives with adequate corrosion resistance for standard industrial applications. Environmental and regulatory requirements determine appropriate finish selection.
Q: Can I use a TE Connectivity part with 125V rating in place of the DBM25P500C rated at 300V?
A: Voltage rating is an electrical design parameter. Applications requiring 300V isolation or withstand voltage must use parts rated at 300V or higher. TE Connectivity parts rated at 125V are not suitable for high-voltage applications.
Q: Which substitute part offers the best inventory availability?
A: NorComp 182-025-113R531 maintains the highest inventory at 10,862 units. TE Connectivity 5747238-4 provides 8,033 units. HARTING 09683635812 provides 1,055 units. Inventory levels support rapid procurement for all listed substitutes.
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