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TE Connectivity 745434-8 D-Sub Connector Equivalent & Substitute Parts
Part Overview
The TE Connectivity 745434-8 is a 9-position D-Sub plug connector with right-angle solder termination, manufactured as part of the AMPLIMITE HDP-20 series. This connector features male pins, through-hole mounting, and is designed for signal applications with a 6A current rating at 125V. The part is classified as obsolete, necessitating identification of active equivalent and substitute components that maintain functional compatibility for new designs and replacement applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| 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 |
| Material Flammability Rating | UL94 V-0 |
| Contact Type | Signal |
| Termination Method | Solder |
Substitute Part Grouping Explanation
Substitution of the TE Connectivity 745434-8 is determined by strict alignment of the following critical parameters:
Primary Substitution 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)
- Contact type (Signal)
- Material flammability rating (UL94 V-0)
Secondary Compatibility Parameters:
- Current rating (minimum 6A)
- Voltage rating (minimum 125V)
- Operating temperature range (must encompass -55°C to 105°C)
The substitute parts listed maintain these core parameters. Variations in contact finish, dielectric material composition, flange features, and RoHS compliance status do not prevent functional substitution when the primary criteria are met. However, design-specific requirements such as RoHS compliance, contact material, and flange configuration must be evaluated for each application.
Parameter Comparison
| Parameter | 745434-8 (Main) | 5745434-8 | 09641247212 | 09641247232 | 09641247242 | 09651226803 | 09651227803 | 09651236803 | 09651626817 | 09651627817 | 09651636813 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | TE Connectivity | TE Connectivity | HARTING | HARTING | HARTING | HARTING | HARTING | HARTING | HARTING | HARTING | HARTING |
| Connector Style | D-Sub | D-Sub | D-Sub | D-Sub | D-Sub | D-Sub | D-Sub | D-Sub | D-Sub | D-Sub | D-Sub |
| 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 |
| Number of Rows | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 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 | Through Hole, Right Angle | Through Hole, Right Angle | Through Hole, Right Angle |
| Termination | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder |
| Contact Type | Signal | Signal | Signal | Signal | Signal | Signal | Signal | Signal | Signal | Signal | Signal |
| Current Rating (Amps) | 6A | 6A | 7.5A | 7.5A | 7.5A | 6.5A | 6.5A | 6.5A | 6.5A | 6.5A | 6.5A |
| Voltage Rating | 125V | 125V | 100V | 100V | 100V | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified |
| Operating Temperature | -55°C ~ 105°C | -55°C ~ 105°C | -20°C ~ 125°C | -20°C ~ 125°C | -20°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°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 |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| RoHS Status | RoHS Non-Compliant | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Equivalent (Same Manufacturer):
The TE Connectivity 5745434-8 is the primary direct equivalent to the obsolete 745434-8. Both parts share identical electrical and mechanical specifications, including 9-position configuration, right-angle through-hole mounting, 6A current rating, and 125V voltage rating. The 5745434-8 is classified as active product status with RoHS compliance, making it the preferred replacement for new designs and production applications requiring the original performance envelope.
Cross-Manufacturer Alternatives (HARTING):
The HARTING 09641247212, 09641247232, and 09641247242 series provide functional substitution with enhanced current ratings (7.5A) and extended upper operating temperature (125°C). These parts maintain the core D-Sub 9-position plug configuration with right-angle solder termination. The HARTING 09651226803, 09651227803, 09651236803, 09651626817, 09651627817, and 09651636813 series offer 6.5A current ratings with extended lower operating temperature capability (-55°C). All HARTING alternatives carry ROHS3 compliance and active product status.
Compliance Considerations:
Applications requiring RoHS compliance must utilize the 5745434-8 or any HARTING alternative, as the original 745434-8 is RoHS non-compliant. All substitute parts maintain UL94 V-0 flammability rating and are classified as REACH unaffected or vendor undefined, consistent with the original part's regulatory profile.
Voltage and Current Derating:
The HARTING 09641247212, 09641247232, and 09641247242 series specify 100V voltage rating, which is lower than the original 125V specification. Applications operating at voltages exceeding 100V must utilize the 5745434-8 or HARTING parts with unspecified voltage ratings (09651226803 through 09651636813). Current ratings across all substitutes meet or exceed the original 6A specification.
Frequently Asked Questions (FAQ)
Q: Can the TE Connectivity 5745434-8 be used as a direct replacement for the 745434-8?
A: Yes. The 5745434-8 maintains identical electrical and mechanical specifications to the 745434-8, including 9-position configuration, 6A current rating, 125V voltage rating, and -55°C to 105°C operating temperature range. The primary difference is active product status and RoHS compliance of the 5745434-8 versus the obsolete, non-compliant status of the 745434-8.
Q: What are the key differences between TE Connectivity and HARTING substitutes?
A: TE Connectivity 5745434-8 maintains identical voltage and current ratings to the original part. HARTING 09641247212, 09641247232, and 09641247242 offer higher current ratings (7.5A) but specify 100V voltage rating. HARTING 09651226803 through 09651636813 provide 6.5A current ratings with extended temperature ranges. All HARTING alternatives carry ROHS3 compliance and active status.
Q: Are there packaging differences between the main part and substitutes?
A: The original 745434-8 packaging is not specified. The 5745434-8 is supplied in bulk packaging. All HARTING alternatives are supplied in bulk packaging. Packaging format does not affect electrical or mechanical compatibility.
Q: Can HARTING parts with 100V voltage rating be used in applications requiring 125V operation?
A: No. Applications operating at voltages exceeding 100V must utilize the TE Connectivity 5745434-8 or HARTING parts 09651226803 through 09651636813, which do not specify voltage limitations. The HARTING 09641247212, 09641247232, and 09641247242 series are limited to 100V maximum.
Q: What is the significance of the different flange features among HARTING alternatives?
A: Flange features (Mating Side Standard Screws, Housing/Shell 4-40, Mating Side Female Screwlock 4-40) determine the mechanical mounting interface and screw configuration. Selection depends on the mating connector and board layout requirements. All flange configurations maintain functional D-Sub 9-position plug compatibility.
Q: Do all substitutes maintain the same operating temperature range?
A: No. The original 745434-8 and TE Connectivity 5745434-8 operate from -55°C to 105°C. HARTING 09641247212, 09641247232, and 09641247242 operate from -20°C to 125°C. HARTING 09651226803 through 09651636813 operate from -55°C to 125°C. Applications requiring the full -55°C lower limit must use the 5745434-8 or HARTING 09651226803 series and above.
Q: Are all substitutes RoHS compliant?
A: The original 745434-8 is RoHS non-compliant. The TE Connectivity 5745434-8 is RoHS compliant. All HARTING alternatives (09641247212 through 09651636813) are ROHS3 compliant. New designs and applications subject to RoHS requirements must utilize compliant alternatives.
Q: What contact material differences exist among the substitutes?
A: The original 745434-8 uses brass contacts with gold finish. The TE Connectivity 5745434-8 uses brass contacts with gold finish. HARTING alternatives use copper alloy contacts without specified finish. Contact material differences do not prevent functional substitution for signal applications.
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