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TE Connectivity 747250-3 D-Sub Connector Equivalent & Substitute Parts
Part Overview
The TE Connectivity AMP Connectors 747250-3 is a 9-position D-Sub plug connector with right-angle solder termination, designed for signal applications in industrial and electronic equipment. This connector features a male pin configuration with a DE shell size (1 position layout) and operates across a temperature range of -55°C to 105°C at 125V with a 6A current rating.
The 747250-3 carries an obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support legacy system maintenance and repairs.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Connector Style | D-Sub |
| Connector Type | Plug, Male Pins |
| Number of Positions | 9 |
| Number of Rows | 2 |
| Shell Size, Connector Layout | 1 (DE, E) |
| Mounting Type | Through Hole, Right Angle |
| Termination | Solder |
| Current Rating (Amps) | 6A |
| Voltage Rating | 125V |
| Operating Temperature | -55°C ~ 105°C |
| Backset Spacing | 0.318" (8.08mm) |
| Shell Material, Finish | Steel, Tin Plated |
| Contact Finish | Gold, Flash |
| Contact Material | Brass |
| Flange Feature | Housing/Shell (4-40) |
| Material Flammability Rating | UL94 V-0 |
Substitute Part Grouping Explanation
Substitute parts for the 747250-3 are classified based on electrical and mechanical compatibility within the D-Sub connector category. The substitution logic is determined by the following critical parameters:
Primary Compatibility Criteria:
- Connector style (D-Sub)
- Connector type (Plug, Male Pins)
- Number of positions (9)
- Number of rows (2)
- Shell size and layout (1, DE, E)
- Mounting type (Through Hole, Right Angle)
- Termination method (Solder)
- Backset spacing (0.318" / 8.08mm)
- Current rating (minimum 6A)
- Voltage rating (minimum 125V)
- Operating temperature range (minimum -55°C to 105°C)
- Material flammability rating (UL94 V-0)
Direct Substitutes maintain identical or superior electrical and mechanical specifications across all critical parameters.
Similar Substitutes share the core connector architecture and pin configuration but may differ in secondary specifications such as contact finish thickness, shell material finish, flange feature design, or dielectric material composition. These parts are functionally compatible for signal applications within the specified electrical envelope.
Parameter Comparison
| Parameter | 747250-3 (Main) | 5747250-3 | 621-009-260-012 | 09681635811 | 09681635812 | 09681635813 | 09681637811 | 09681637813 | 182-009-113R451 | 621-009-260-011 | 621-009-260-013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | TE Connectivity | TE Connectivity | Mercury United Electronics | HARTING | HARTING | HARTING | HARTING | HARTING | NorComp Inc. | Mercury United Electronics | Mercury United Electronics |
| 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 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Shell Size, Connector Layout | 1 (DE, E) | 1 (DE, E) | 1 (DE, E) | 1 (DE, E) | 1 (DE, E) | 1 (DE, E) | 1 (DE, E) | 1 (DE, E) | 1 (DE, E) | 1 (DE, E) | 1 (DE, E) |
| Mounting Type | Through Hole, Right Angle | Through Hole, Right Angle | Through Hole, Right Angle | Through Hole, Right Angle | Through Hole, Right Angle | Through Hole, Right Angle | Through Hole, Right Angle | Through Hole, Right Angle | Panel Mount, Through Hole, Right Angle | Through Hole, Right Angle | Through Hole, Right Angle |
| Termination | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder |
| Backset Spacing | 0.318" (8.08mm) | 0.318" (8.08mm) | 0.318" (8.08mm) | 0.318" (8.08mm) | 0.318" (8.08mm) | 0.318" (8.08mm) | 0.318" (8.08mm) | 0.318" (8.08mm) | 0.318" (8.08mm) | 0.318" (8.08mm) | 0.318" (8.08mm) |
| Current Rating (Amps) | 6A | 6A | Not Specified | 6.5A | 6.5A | 6.5A | 6.5A | 6.5A | 5A | Not Specified | Not Specified |
| Voltage Rating | 125V | 125V | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified |
| Operating Temperature | -55°C ~ 105°C | -55°C ~ 105°C | Not Specified | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 105°C | Not Specified | Not Specified |
| Shell Material, Finish | Steel, Tin Plated | Steel, Tin Plated | Not Specified | Steel | Steel | Steel | Steel | Steel | Steel, Nickel Plated | Not Specified | Not Specified |
| Contact Finish | Gold, Flash | Gold, Flash | Not Specified | Gold or Gold-Palladium | Gold or Gold-Palladium | Gold or Gold-Palladium | Not Specified | Not Specified | Gold, Flash | Not Specified | Not Specified |
| Contact Material | Brass | Brass | Not Specified | Copper Alloy | Copper Alloy | Copper Alloy | Copper Alloy | Copper Alloy | Brass | Not Specified | Not Specified |
| Flange Feature | Housing/Shell (4-40) | Housing/Shell (4-40) | Not Specified | Housing/Shell (M3) | Housing/Shell (4-40) | Mating Side, Female Screwlock (4-40) | Housing/Shell (M3) | Mating Side, Female Screwlock (4-40) | Housing/Shell (4-40) | Not Specified | Not Specified |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 | Not Specified | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | Not Specified | Not Specified |
| Product Status | Obsolete | Active | Not Specified | Active | Active | Active | Active | Active | Active | Not Specified | Not Specified |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | Not Specified | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | Not Specified | Not Specified |
Engineering Selection Recommendations
Primary Recommendation: 5747250-3
The 5747250-3 from TE Connectivity AMP Connectors is the direct successor to the obsolete 747250-3. This part maintains identical electrical and mechanical specifications across all critical parameters: 9-position D-Sub plug configuration, right-angle through-hole solder termination, 6A current rating, 125V voltage rating, -55°C to 105°C operating temperature, and UL94 V-0 flammability rating. The 5747250-3 carries active product status and achieves ROHS3 compliance, making it the optimal choice for new designs and legacy system replacements. Packaging is supplied in tray format with 1279 units in stock.
Secondary Recommendations: HARTING 09681635812 and 09681635813
The HARTING 09681635812 and 09681635813 connectors provide functional equivalence with enhanced current rating (6.5A versus 6A) and extended operating temperature range (-55°C to 125°C versus -55°C to 105°C). Both parts maintain the 9-position D-Sub plug configuration, right-angle solder termination, and 0.318" backset spacing. The 09681635812 features a 4-40 housing/shell flange identical to the 747250-3, while the 09681635813 incorporates a mating-side female screwlock. Both achieve ROHS3 compliance and UL94 V-0 flammability rating. Contact finish is specified as gold or gold-palladium with 30.0µin thickness, and dielectric material is polybutylene terephthalate (PBT) with polyester and glass fill.
Tertiary Recommendations: HARTING 09681637811 and 09681637813
The HARTING 09681637811 and 09681637813 connectors provide functional equivalence with identical electrical specifications to 09681635812 and 09681635813 (6.5A current rating, -55°C to 125°C operating temperature). The 09681637811 features a housing/shell M3 flange, while the 09681637813 incorporates a mating-side female screwlock with 4-40 specification. Both achieve ROHS3 compliance and UL94 V-0 flammability rating. Contact finish specifications are not provided for these variants.
Alternative Consideration: NorComp 182-009-113R451
The NorComp 182-009-113R451 provides functional compatibility with the 747250-3 within the specified electrical envelope. This part maintains the 9-position D-Sub plug configuration, right-angle solder termination, and 0.318" backset spacing. However, the current rating is specified at 5A, which is below the 6A rating of the 747250-3. The operating temperature range matches the 747250-3 (-55°C to 105°C). Shell material is steel with nickel plating, and contact material is brass with gold flash finish. The 182-009-113R451 achieves ROHS3 compliance and UL94 V-0 flammability rating. This part is suitable for applications where the 5A current rating is sufficient.
Mercury United Electronics Parts: 621-009-260-011, 621-009-260-012, 621-009-260-013
The Mercury United Electronics 621 series connectors (621-009-260-011, 621-009-260-012, 621-009-260-013) maintain the 9-position D-Sub plug configuration, right-angle solder termination, and 0.318" backset spacing. Detailed electrical specifications (current rating, voltage rating, operating temperature) are not provided for these parts. These connectors are listed as similar substitutes based on mechanical compatibility. Verification of electrical specifications is required before selection for applications with specific current or voltage requirements.
Frequently Asked Questions (FAQ)
Q: Can the 5747250-3 be used as a direct replacement for the 747250-3?
A: Yes. The 5747250-3 maintains identical electrical and mechanical specifications across all critical parameters: 9-position D-Sub plug, right-angle solder termination, 6A current rating, 125V voltage rating, -55°C to 105°C operating temperature, and UL94 V-0 flammability rating. The primary difference is product status (active versus obsolete) and RoHS compliance (ROHS3 compliant versus non-compliant). The 5747250-3 is the recommended direct replacement.
Q: What is the difference between the HARTING 09681635812 and 09681635813?
A: Both connectors share identical electrical specifications (6.5A current rating, -55°C to 125°C operating temperature) and core mechanical architecture (9-position D-Sub plug, right-angle solder termination, 0.318" backset spacing). The primary difference is the flange feature: the 09681635812 incorporates a housing/shell 4-40 flange, while the 09681635813 incorporates a mating-side female screwlock with 4-40 specification. Selection depends on the specific mounting and mating requirements of the application.
Q: Are the Mercury United Electronics 621 series connectors suitable replacements?
A: The Mercury United Electronics 621 series connectors (621-009-260-011, 621-009-260-012, 621-009-260-013) maintain mechanical compatibility with the 747250-3 through identical 9-position D-Sub plug configuration, right-angle solder termination, and 0.318" backset spacing. However, detailed electrical specifications (current rating, voltage rating, operating temperature range) are not provided for these parts. Electrical specification verification is required before selection for applications with defined current or voltage requirements.
Q: What is the significance of the flange feature differences among substitute parts?
A: The flange feature determines the mounting interface and mechanical attachment method. The 747250-3 specifies a housing/shell 4-40 flange, which uses 4-40 threaded fasteners for panel or chassis mounting. Substitute parts with identical 4-40 housing/shell flanges (5747250-3, 09681635812, 182-009-113R451) provide direct mechanical compatibility. Parts with alternative flange designs (M3 housing/shell, mating-side female screwlock) require evaluation of the specific mounting interface in the target application.
Q: Why do some substitute parts have higher current ratings than the 747250-3?
A: The HARTING connectors (09681635811, 09681635812, 09681635813, 09681637811, 09681637813) specify a 6.5A current rating compared to the 747250-3's 6A rating. This represents a design enhancement in the substitute parts and does not prevent their use in applications rated for 6A. The higher current rating indicates the substitute parts can safely handle the same or greater current loads. Applications requiring exactly 6A operation are compatible with these higher-rated substitutes.
Q: What is the operating temperature range difference between the 747250-3 and HARTING substitutes?
A: The 747250-3 operates across -55°C to 105°C, while the HARTING connectors (09681635811, 09681635812, 09681635813, 09681637811, 09681637813) operate across -55°C to 125°C. The HARTING parts provide an extended upper temperature limit of 20°C. Applications operating within the -55°C to 105°C range are fully compatible with both the original and HARTING substitute parts. Applications requiring operation above 105°C benefit from the extended temperature capability of the HARTING substitutes.
Q: What is the difference between RoHS non-compliant and ROHS3 compliant status?
A: The 747250-3 carries RoHS non-compliant status, indicating it may contain restricted substances such as lead, cadmium, or hexavalent chromium. The 5747250-3 and all HARTING and NorComp substitute parts carry ROHS3 compliant status, indicating they meet the Restriction of Hazardous Substances Directive requirements and do not contain restricted substances above specified thresholds. For applications subject to RoHS regulations or environmental compliance requirements, ROHS3 compliant substitutes are required.
Q: Can the NorComp 182-009-113R451 be used in place of the 747250-3?
A: The NorComp 182-009-113R451 provides functional compatibility for applications where the 5A current rating is sufficient. The 747250-3 is rated for 6A, while the 182-009-113R451 is rated for 5A. If the application requires the full 6A capacity, the NorComp part is not suitable. For applications operating at or below 5A, the 182-009-113R451 is compatible across all other critical parameters: 9-position D-Sub plug, right-angle solder termination, 0.318" backset spacing, -55°C to 105°C operating temperature, and UL94 V-0 flammability rating.
Q: What packaging options are available for substitute parts?
A: The 5747250-3 is supplied in tray packaging. The HARTING connectors (09681635811, 09681635812, 09681635813, 09681637811, 09681637813) are supplied in bulk packaging. The NorComp 182-009-113R451 is supplied in tray packaging. The Mercury United Electronics 621 series parts do not specify packaging format. Packaging selection depends on production volume requirements and inventory management practices. Tray packaging is typical for moderate-volume applications, while bulk packaging is suitable for high-volume production.
Q: Are there any compliance or certification differences between the 747250-3 and its substitutes?
A: The 747250-3 carries RoHS non-compliant status and REACH affected status. The 5747250-3 carries ROHS3 compliant status with REACH undefined vendor status. The HARTING connectors carry ROHS3 compliant status and REACH unaffected status. The NorComp 182-009-113R451 carries ROHS3 compliant status and REACH unaffected status. All parts share UL94 V-0 flammability rating and EAR99 ECCN classification. For applications subject to environmental or regulatory compliance requirements, ROHS3 compliant and REACH unaffected substitutes are recommended.
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