Molex 0702804448 Equivalent & Substitute Parts

Part Overview

The Molex 0702804448 is a rectangular connector header designed for through-hole mounting applications. This 100-position, 2-row connector with 0.100" (2.54mm) pitch is classified as Active product status and is widely used in automotive, medical, telecommunications, and general-purpose applications. The part features an unshrouded design with male pins, tin-plated copper contacts, and liquid crystal polymer insulation rated UL94 V-0. Finding equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and accommodate specific application requirements such as contact length, material composition, and operating temperature ranges.

Substiute Parts

0702804448

MolexIn Stock: 10080702804448 Datasheet

Current PartRFQ

HTSW-150-14-F-D

Samtec Inc.In Stock: 971HTSW-150-14-F-D Datasheet

MFR RecommendedRFQ

HTSW-150-16-G-D-LL

Samtec Inc.In Stock: 892HTSW-150-16-G-D-LL Datasheet

MFR RecommendedRFQ

HTSW-150-25-T-D

Samtec Inc.In Stock: 870HTSW-150-25-T-D Datasheet

MFR RecommendedRFQ

TSW-150-14-G-D-LL

Samtec Inc.In Stock: 895TSW-150-14-G-D-LL Datasheet

MFR RecommendedRFQ

TSW-150-29-L-D

Samtec Inc.In Stock: 892TSW-150-29-L-D Datasheet

MFR RecommendedRFQ

TSW-150-29-S-D

Samtec Inc.In Stock: 1169TSW-150-29-S-D Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Molex 0702804448 is determined by strict adherence to the following critical parameters:

Core Compatibility Parameters:

• Number of Positions: 100
• Number of Rows: 2
• Pitch - Mating: 0.100" (2.54mm)
• Row Spacing - Mating: 0.100" (2.54mm)
• Contact Type: Male Pin
• Mounting Type: Through Hole
• Fastening Type: Push-Pull
• Connector Type: Header
• Termination: Solder

Variable Parameters Affecting Substitution:

• Contact Length - Mating: 0.386" (9.80mm) in main part; varies in substitutes
• Contact Length - Post: 0.148" (3.76mm) in main part; varies in substitutes
• Overall Contact Length: 0.625" (15.88mm) in main part; varies in substitutes
• Contact Material: Copper (main part) vs. Phosphor Bronze (substitutes)
• Contact Finish - Mating: Tin (main part) vs. Gold (substitutes)
• Insulation Material: LCP Glass Filled (main part) vs. LCP or PBT (substitutes)
• Operating Temperature: Not specified (main part) vs. -55°C ~ 125°C or -55°C ~ 105°C (substitutes)

The five substitute parts listed (HTSW-150-14-F-D, HTSW-150-16-G-D-LL, HTSW-150-25-T-D, TSW-150-14-G-D-LL, TSW-150-29-L-D, TSW-150-29-S-D) maintain all core compatibility parameters while offering variations in contact geometry, material composition, and thermal performance to accommodate different application requirements.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with the original Molex 0702804448. Selection among substitutes depends on specific application requirements:

HTSW-150-14-F-D: Samtec HTSW series with gold-plated mating contacts and tin-plated posts. Shorter overall contact length (0.530") suits applications with limited PCB thickness. Operating temperature range -55°C ~ 125°C. LCP insulation material.

HTSW-150-16-G-D-LL: Samtec HTSW series with kinked pin termination and gold plating on both mating and post contacts. Extended post length (0.310") accommodates thicker PCB assemblies. Operating temperature range -55°C ~ 125°C. LCP insulation material.

HTSW-150-25-T-D: Samtec HTSW series with tin-plated contacts matching the original part's finish specification. Moderate post length (0.210") provides mid-range PCB thickness accommodation. Operating temperature range -55°C ~ 105°C. LCP insulation material.

TSW-150-14-G-D-LL: Samtec TSW series with kinked pin termination and gold plating on both contacts. Shorter overall contact length (0.530"). Operating temperature range -55°C ~ 125°C. PBT insulation material. MSL 1 (Unlimited).

TSW-150-29-L-D: Samtec TSW series with extended post length (0.910") for deep PCB penetration. Gold-plated mating contacts with tin-plated posts. Operating temperature range -55°C ~ 125°C. PBT insulation material. MSL 1 (Unlimited).

TSW-150-29-S-D: Samtec TSW series with extended post length (0.910") and enhanced gold plating thickness (30.0µin) on mating contacts. Highest inventory availability (1137 pcs). Operating temperature range -55°C ~ 125°C. PBT insulation material. MSL 1 (Unlimited).

Frequently Asked Questions (FAQ)

Q: What are the critical parameters that must match between the main part and substitute parts?

A: The following parameters must remain constant for functional compatibility: 100 positions, 2 rows, 0.100" (2.54mm) mating pitch, 0.100" (2.54mm) row spacing, male pin contact type, through-hole mounting, push-pull fastening, and solder termination. All listed substitutes meet these requirements.

Q: How do contact length variations affect PCB design?

A: Contact length determines how deeply the connector penetrates the PCB. The main part (0.625" overall) and substitutes range from 0.530" to 1.330" overall length. Shorter contacts suit thin PCBs; longer contacts accommodate thicker assemblies or provide additional mechanical support. Verify PCB thickness and mounting requirements before selection.

Q: What is the difference between tin and gold plating on mating contacts?

A: Tin plating (main part and HTSW-150-25-T-D) provides cost-effective corrosion resistance suitable for general-purpose applications. Gold plating (HTSW-150-14-F-D, HTSW-150-16-G-D-LL, TSW-150-14-G-D-LL, TSW-150-29-L-D, TSW-150-29-S-D) offers superior corrosion resistance and lower contact resistance, beneficial for high-reliability or high-frequency applications. Contact finish thickness varies among substitutes.

Q: Are there insulation material differences between substitutes?

A: The main part uses LCP with glass filling. HTSW series substitutes use standard LCP. TSW series substitutes use PBT (Polybutylene Terephthalate). All materials are UL94 V-0 rated. Material selection depends on application-specific requirements for thermal stability, mechanical properties, and chemical resistance.

Q: What operating temperature ranges are specified?

A: The main part does not specify an operating temperature range. Samtec substitutes provide defined ranges: HTSW-150-14-F-D, HTSW-150-16-G-D-LL, TSW-150-14-G-D-LL, TSW-150-29-L-D, and TSW-150-29-S-D operate from -55°C to 125°C. HTSW-150-25-T-D operates from -55°C to 105°C. Verify application temperature requirements before selection.

Q: What is the significance of kinked pin termination?

A: Kinked pin termination (HTSW-150-16-G-D-LL and TSW-150-14-G-D-LL) provides enhanced mechanical retention in the PCB, reducing the risk of connector pullout during assembly or field service. Standard solder termination (other substitutes) relies on solder joint strength alone.

Q: How does contact material affect electrical performance?

A: The main part uses copper contacts; all substitutes use phosphor bronze. Phosphor bronze offers superior spring properties, wear resistance, and contact force consistency, resulting in more reliable electrical connections over extended mating cycles. This material change is beneficial for high-cycle applications.

Q: Are all substitutes compatible with the same mating connectors?

A: Yes. All substitutes maintain the 0.100" (2.54mm) pitch and 100-position, 2-row configuration, ensuring mechanical and electrical compatibility with standard 0.100" pitch receptacle connectors designed for the original Molex 0702804448.