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DBM25SLA197 D-Sub Receptacle 25-Position Equivalent & Substitute Parts
Part Overview
The DBM25SLA197 is a 25-position D-Sub receptacle connector manufactured by ITT Cannon, LLC, designed for panel mount, through-hole, right-angle solder termination applications. This connector features female sockets with a 2-row configuration (Shell Size 3, DB layout) and is rated for 7.5A continuous current with an operating temperature range of -55°C to 125°C. The part maintains active product status and carries RoHS compliance certification.
Equivalent and substitute parts are identified based on matching core electrical and mechanical parameters: 25-position configuration, D-Sub receptacle style, female socket contacts, right-angle mounting orientation, solder termination, and Shell Size 3 (DB, B) layout. Substitutes must maintain compatibility with the same connector interface while accommodating variations in shell finish, contact material, current rating, and flange features.
Substiute Parts
Key Parameters
| Parameter | DBM25SLA197 Specification |
|---|---|
| Connector Type | D-Sub Receptacle, Female Sockets |
| Number of Positions | 25 |
| Number of Rows | 2 |
| Shell Size, Connector Layout | 3 (DB, B) |
| Mounting Type | Panel Mount, Through Hole, Right Angle |
| Termination | Solder |
| Shell Material, Finish | Steel, Tin-Nickel Plated |
| Contact Finish | Gold |
| Current Rating (Amps) | 7.5A |
| Operating Temperature | -55°C ~ 125°C |
| Material Flammability Rating | UL94 V-0 |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict adherence to the following core parameters:
Critical Matching Parameters (Non-Negotiable):
- Connector Type: D-Sub Receptacle, Female Sockets
- Number of Positions: 25
- Number of Rows: 2
- Shell Size, Connector Layout: 3 (DB, B)
- Mounting Type: Right Angle, Through Hole (Panel Mount acceptable)
- Termination: Solder
- Material Flammability Rating: UL94 V-0
Allowable Variation Parameters:
- Shell Material Finish: Steel with Tin Plating, Tin-Nickel Plating, or Nickel Plating
- Contact Material: Copper Alloy, Brass, or Phosphor Bronze
- Current Rating: 5A to 7.5A per contact
- Operating Temperature Range: Must encompass or overlap -55°C to 125°C
- Flange Feature: Housing/Shell (Unthreaded), Housing/Shell (4-40), or Mating Side Female Screwlock (4-40)
- Backset Spacing: 0.318" (8.08mm) to 0.370" (9.40mm)
- Dielectric Material: Polycyclohexylenedimethylene Terephthalate (PCT), Polyamide (PA6T, PA9T), Polybutylene Terephthalate (PBT), or Thermoplastic
- RoHS Status: RoHS Compliant or ROHS3 Compliant
All identified substitute parts meet these criteria and maintain functional compatibility with the DBM25SLA197 in standard D-Sub 25-position receptacle applications.
Parameter Comparison
| Part Number | Manufacturer | Positions | Connector Type | Shell Size | Mounting | Termination | Shell Finish | Contact Finish | Current Rating (A) | Operating Temp (°C) | Flange Feature | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DBM25SLA197 | ITT Cannon, LLC | 25 | Receptacle, Female | 3 (DB, B) | Panel Mount, Through Hole, Right Angle | Solder | Steel, Tin-Nickel | Gold | 7.5 | -55 ~ 125 | Housing/Shell (Unthreaded) | RoHS Compliant |
| 174-E25-213R001 | NorComp Inc. | 25 | Receptacle, Female | 3 (DB, B) | Panel Mount, Through Hole, Right Angle | Solder | Steel, Nickel | Gold | 5 | -50 ~ 100 | Housing/Shell (Unthreaded) | ROHS3 Compliant |
| 174-E25-213R141 | NorComp Inc. | 25 | Receptacle, Female | 3 (DB, B) | Panel Mount, Through Hole, Right Angle | Solder | Steel, Nickel | Gold | 5 | -50 ~ 100 | Mating Side, Female Screwlock (4-40) | ROHS3 Compliant |
| 182-025-213R531 | NorComp Inc. | 25 | Receptacle, Female | 3 (DB, B) | Panel Mount, Through Hole, Right Angle | Solder | Steel, Nickel | Gold | 5 | -55 ~ 105 | Housing/Shell (4-40) | ROHS3 Compliant |
| 5745783-6 | TE Connectivity AMP Connectors | 25 | Receptacle, Female | 3 (DB, B) | Through Hole, Right Angle | Solder | Steel, Tin | Gold | 6 | -55 ~ 105 | Mating Side, Female Screwlock (4-40) | RoHS Compliant |
| 5747846-4 | TE Connectivity AMP Connectors | 25 | Receptacle, Female | 3 (DB, B) | Through Hole, Right Angle | Solder | Steel, Tin | Gold | 6 | -55 ~ 105 | Housing/Shell (4-40) | ROHS3 Compliant |
| 5747846-6 | TE Connectivity AMP Connectors | 25 | Receptacle, Female | 3 (DB, B) | Through Hole, Right Angle | Solder | Steel, Tin | Gold | 6 | -55 ~ 105 | Mating Side, Female Screwlock (4-40) | ROHS3 Compliant |
| D25S33E4GL00LF | Amphenol ICC (FCI) | 25 | Receptacle, Female | 3 (DB, B) | Through Hole, Right Angle | Solder | Steel, Tin-Nickel | Gold | 5 | -55 ~ 125 | Housing/Shell (M3) | ROHS3 Compliant |
| D25S33E4GV00LF | Amphenol ICC (FCI) | 25 | Receptacle, Female | 3 (DB, B) | Through Hole, Right Angle | Solder | Steel, Tin-Nickel | Gold | 5 | -55 ~ 125 | Mating Side, Female Screwlock (4-40) | RoHS Compliant |
| D25S33E4GX00LF | Amphenol ICC (FCI) | 25 | Receptacle, Female | 3 (DB, B) | Through Hole, Right Angle | Solder | Steel, Tin-Nickel | Gold | 5 | -55 ~ 125 | Housing/Shell (4-40) | RoHS Compliant |
| D25S33E4PA00LF | Amphenol ICC (FCI) | 25 | Receptacle, Female | 3 (DB, B) | Through Hole, Right Angle | Solder | Steel, Tin-Nickel | Gold | 5 | -55 ~ 125 | Housing/Shell (Unthreaded) | RoHS Compliant |
Engineering Selection Recommendations
Direct Equivalents (Highest Compatibility):
The following parts provide the closest functional match to the DBM25SLA197 based on shell finish, operating temperature range, and flange configuration:
-
D25S33E4PA00LF (Amphenol ICC): Matches Tin-Nickel shell finish, unthreaded housing flange, and full -55°C to 125°C operating range. RoHS Compliant. Suitable for direct substitution in applications requiring identical thermal and environmental performance.
-
D25S33E4GX00LF (Amphenol ICC): Matches Tin-Nickel shell finish and -55°C to 125°C operating range with 4-40 threaded housing flange. RoHS Compliant. Appropriate for applications requiring mechanical fastening at the shell.
-
D25S33E4GV00LF (Amphenol ICC): Matches Tin-Nickel shell finish and -55°C to 125°C operating range with mating-side female screwlock. RoHS Compliant. Suitable for applications requiring mating-side locking features.
Secondary Equivalents (Acceptable Substitution with Parameter Variance):
-
5747846-4 and 5747846-6 (TE Connectivity): Tin-plated steel shell, 6A current rating, -55°C to 105°C operating range. ROHS3 Compliant. Acceptable where lower maximum operating temperature is tolerable and higher current capacity is beneficial.
-
5745783-6 (TE Connectivity): Tin-plated steel shell, 6A current rating, -55°C to 105°C operating range with mating-side female screwlock. RoHS Compliant. Suitable for applications with locking requirements and reduced thermal ceiling.
-
182-025-213R531 (NorComp): Nickel-plated steel shell, 5A current rating, -55°C to 105°C operating range with 4-40 threaded housing. ROHS3 Compliant. Acceptable for standard applications within reduced temperature envelope.
-
174-E25-213R141 (NorComp): Nickel-plated steel shell, 5A current rating, -50°C to 100°C operating range with mating-side female screwlock. ROHS3 Compliant. Suitable for moderate temperature applications with locking features.
-
174-E25-213R001 (NorComp): Nickel-plated steel shell, 5A current rating, -50°C to 100°C operating range with unthreaded housing. ROHS3 Compliant. Acceptable for standard applications within reduced temperature envelope.
All substitute parts maintain UL94 V-0 flammability rating and gold contact finish. Selection should account for application-specific requirements regarding current capacity, operating temperature extremes, and mechanical fastening needs.
Frequently Asked Questions (FAQ)
Q: Can I substitute a 5A-rated connector for the 7.5A DBM25SLA197?
A: Substitution is acceptable if the application current demand does not exceed 5A per contact. The DBM25SLA197 is rated for 7.5A; lower-rated substitutes (5A or 6A) are suitable only when actual circuit current remains within their specified limits. Verify application requirements before substitution.
Q: What is the difference between Housing/Shell (Unthreaded), Housing/Shell (4-40), and Mating Side Female Screwlock flange features?
A: Housing/Shell (Unthreaded) provides a smooth shell without threaded mounting holes. Housing/Shell (4-40) includes 4-40 threaded holes in the shell for mechanical fastening. Mating Side Female Screwlock (4-40) includes threaded holes on the mating face for connector-to-connector locking. Selection depends on mechanical mounting requirements in the application.
Q: Are Tin-Nickel and Tin-plated shells interchangeable?
A: Both finishes provide corrosion resistance and are acceptable substitutes. Tin-Nickel plating offers enhanced corrosion resistance in harsh environments. Tin plating alone is suitable for standard industrial applications. Both meet the same electrical performance requirements.
Q: Does the operating temperature range difference between -55°C to 125°C and -55°C to 105°C affect substitution?
A: Substitution is acceptable if the application does not require operation above 105°C. If the system must function at temperatures between 105°C and 125°C, only parts rated to 125°C (DBM25SLA197, D25S33 series) are suitable.
Q: What is the significance of ROHS3 Compliant versus RoHS Compliant?
A: Both designations indicate compliance with RoHS (Restriction of Hazardous Substances) regulations. ROHS3 represents the current EU RoHS Directive 2011/65/EU. RoHS Compliant indicates compliance with the original or earlier RoHS standards. Both are acceptable for applications requiring RoHS certification.
Q: Can I use a connector with a lower current rating if my application uses less current?
A: Yes. If your application current is 5A or less, a 5A-rated substitute is acceptable. Current rating indicates the maximum safe continuous current; operating below the rated limit is standard practice. Verify actual circuit requirements before substitution.
Q: Are all these connectors compatible with the same mating plugs?
A: Yes. All listed parts are 25-position D-Sub receptacles with Shell Size 3 (DB, B) configuration. They mate with standard 25-position D-Sub male plugs. Flange feature differences (unthreaded, threaded, or screwlock) do not affect mating compatibility; they only affect mechanical mounting and connector retention methods.
Q: What does MSL 1 (Unlimited) mean?
A: Moisture Sensitivity Level (MSL) 1 indicates the component has unlimited shelf life and requires no special moisture-control storage conditions. These connectors can be stored and handled under standard industrial conditions without moisture-related degradation.
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