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Amphenol ICC 75844-201-72 Rectangular Connector Header - Equivalent & Substitute Parts
Part Overview
The Amphenol ICC 75844-201-72 is a through-hole rectangular connector header with 72 positions arranged in 2 rows at 0.100" (2.54mm) pitch. This BERGSTIK® series component features male pins with gold-plated mating contacts and phosphor bronze material construction. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 75844-201-72 |
| Manufacturer | Amphenol ICC (FCI) |
| Category | Rectangular Connectors |
| Number of Positions | 72 |
| Number of Rows | 2 |
| Pitch - Mating | 0.100" (2.54mm) |
| Row Spacing - Mating | 0.100" (2.54mm) |
| Connector Type | Header, Breakaway |
| Contact Type | Male Pin |
| Mounting Type | Through Hole |
| Termination | Solder |
| Fastening Type | Push-Pull |
| Contact Finish - Mating | Gold, GXT™ |
| Contact Material | Phosphor Bronze |
| Insulation Material | Thermoplastic |
| Insulation Color | Black |
| Material Flammability Rating | UL94 V-0 |
| Product Status | Obsolete |
| RoHS Status | RoHS non-compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the 75844-201-72 is determined by strict adherence to the following electrical and mechanical parameters:
Critical Matching Parameters:
- Number of Positions: 72
- Number of Rows: 2
- Pitch - Mating: 0.100" (2.54mm)
- Row Spacing - Mating: 0.100" (2.54mm)
- Connector Type: Header (Breakaway or Cuttable variants acceptable)
- Contact Type: Male Pin
- Mounting Type: Through Hole
- Termination: Solder
- Fastening Type: Push-Pull
- Insulation Material: Thermoplastic or equivalent polymer
- Material Flammability Rating: UL94 V-0
Acceptable Variations:
- Contact Finish - Mating: Gold or Tin (both acceptable for signal integrity)
- Contact Material: Phosphor Bronze or Brass (both acceptable for electrical performance)
- Insulation Material: Thermoplastic, Polyamide (PA6T, PA9T), Polybutylene Terephthalate (PBT), or Liquid Crystal Polymer (LCP)
- Contact Length - Mating: Minor variations within 0.217" to 0.265" (5.50mm to 6.73mm) acceptable
- Contact Length - Post: Minor variations within 0.100" to 0.130" (2.54mm to 3.30mm) acceptable
- Overall Contact Length: Minor variations within 0.425" to 0.452" (10.80mm to 11.48mm) acceptable
- Insulation Height: Minor variations within 0.060" to 0.100" (1.52mm to 2.54mm) acceptable
Substitute parts must maintain board-to-board or board-to-cable connectivity and unshrouded configuration.
Parameter Comparison
| Parameter | 75844-201-72 (Main) | 75844-201-72LF | 961272-6404-AR | GBC36DAAN | M20-9763642 | M20-9763646 | PBC36DAAN |
|---|---|---|---|---|---|---|---|
| Manufacturer | Amphenol ICC | Amphenol ICC | 3M | Sullins | Harwin | Harwin | Sullins |
| Number of Positions | 72 | 72 | 72 | 72 | 72 | 72 | 72 |
| Number of Rows | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Pitch - Mating | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" |
| Row Spacing - Mating | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" |
| Connector Type | Header, Breakaway | Header, Breakaway | Header | Header, Breakaway | Header, Cuttable | Header, Cuttable | Header, Breakaway |
| Contact Type | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Termination | Solder | Solder | Solder | Solder | Solder | Solder | Solder |
| Fastening Type | Push-Pull | Push-Pull | Push-Pull | Push-Pull | Push-Pull | Push-Pull | Push-Pull |
| Contact Finish - Mating | Gold, GXT™ | Gold, GXT™ | Gold | Gold | Gold | Tin | Gold |
| Contact Material | Phosphor Bronze | Phosphor Bronze | Copper Alloy | Phosphor Bronze | Brass | Brass | Phosphor Bronze |
| Insulation Material | Thermoplastic | Thermoplastic | Thermoplastic | Polyamide (PA9T) | Polyamide (PA6T) | Polyamide (PA6T) | Polybutylene Terephthalate (PBT) |
| Insulation Color | Black | Black | Black | Black | Black | Black | Black |
| Material Flammability Rating | 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 |
| RoHS Status | RoHS non-compliant | RoHS Compliant | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Parameter Comparison (Samtec Variants)
| Parameter | MTLW-136-07-G-D-260 | MTLW-136-07-G-D-265 | MTLW-136-23-L-D-260 | MTLW-136-23-T-D-265 |
|---|---|---|---|---|
| Manufacturer | Samtec | Samtec | Samtec | Samtec |
| Number of Positions | 72 | 72 | 72 | 72 |
| Number of Rows | 2 | 2 | 2 | 2 |
| Pitch - Mating | 0.100" | 0.100" | 0.100" | 0.100" |
| Row Spacing - Mating | 0.100" | 0.100" | 0.100" | 0.100" |
| Connector Type | Header | Header | Header | Header |
| Contact Type | Male Pin | Male Pin | Male Pin | Male Pin |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Termination | Solder | Solder | Solder | Solder |
| Fastening Type | Push-Pull | Push-Pull | Push-Pull | Push-Pull |
| Contact Finish - Mating | Gold | Gold | Gold | Tin |
| Contact Finish - Post | Gold | Gold | Tin | Tin |
| Contact Material | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze |
| Insulation Material | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) |
| Insulation Color | Black | Black | Black | Black |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 |
| Product Status | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Primary Substitute - Direct Amphenol ICC Replacement: The 75844-201-72LF is the direct successor to the obsolete 75844-201-72. Both are Amphenol ICC BERGSTIK® series components with identical mechanical and electrical specifications. The LF variant is RoHS Compliant and carries Active product status, making it the preferred choice for new designs and ongoing production requiring regulatory compliance.
Secondary Substitutes - Multi-Manufacturer Options: All listed substitute parts meet the critical matching parameters for 72-position, 2-row, 0.100" pitch through-hole header connectors with push-pull fastening and UL94 V-0 flammability rating. Selection among these alternatives depends on specific design requirements:
-
Sullins Connector Solutions (GBC36DAAN, PBC36DAAN): Both are ROHS3 Compliant with Active status. GBC36DAAN uses Polyamide (PA9T) insulation; PBC36DAAN uses Polybutylene Terephthalate (PBT). Both support operating temperatures from -65°C to 125°C or higher.
-
Harwin Inc. (M20-9763642, M20-9763646): Both M20 series variants are ROHS3 Compliant with Active status and cuttable header design. M20-9763642 features gold mating contacts; M20-9763646 features tin mating contacts. Both support -40°C to 105°C operating temperature range and offer multiple mated stacking heights.
-
3M (961272-6404-AR): The 961 series option is RoHS Compliant with Active status. This variant features copper alloy contacts and supports -25°C to 105°C operating temperature.
-
Samtec Inc. (MTLW series variants): All four MTLW variants are ROHS3 Compliant with Active status. These Flex Stack headers use Liquid Crystal Polymer (LCP) insulation and support higher current ratings (5.2A per contact). Operating temperature range is -55°C to 125°C (or -55°C to 105°C for the tin-finish variant). These options provide enhanced mechanical flexibility.
Compliance Considerations: The original 75844-201-72 is RoHS non-compliant. All substitute parts listed are either RoHS Compliant or ROHS3 Compliant, meeting current regulatory requirements for new designs and production.
Frequently Asked Questions (FAQ)
Q: Can I use 75844-201-72LF as a direct replacement for the obsolete 75844-201-72? A: Yes. The 75844-201-72LF is the direct Amphenol ICC successor with identical mechanical and electrical specifications. The primary difference is RoHS Compliance status and Active product availability. No design modifications are required.
Q: What are the key differences between the Samtec MTLW variants? A: The MTLW variants differ in contact finish and post length. MTLW-136-07-G-D-260 and MTLW-136-07-G-D-265 feature gold mating contacts with gold posts. MTLW-136-23-L-D-260 features gold mating contacts with tin posts. MTLW-136-23-T-D-265 features tin mating contacts with tin posts. The numeric suffix (260 or 265) indicates mating contact length variation. All maintain 72-position, 2-row, 0.100" pitch configuration.
Q: Are there operating temperature differences between substitutes? A: Yes. The original 75844-201-72 does not specify operating temperature. Substitutes range from -25°C to 105°C (3M 961272-6404-AR) to -65°C to 150°C (Sullins GBC36DAAN). Harwin M20 variants support -40°C to 105°C. Samtec MTLW variants support -55°C to 125°C (or -55°C to 105°C for tin-finish variant). Select based on application thermal requirements.
Q: What is the difference between breakaway and cuttable header designs? A: Both connector types maintain the same 72-position, 2-row, 0.100" pitch electrical and mechanical interface. Breakaway headers (75844-201-72LF, GBC36DAAN, PBC36DAAN) feature pre-scored sections for manual separation. Cuttable headers (Harwin M20 variants) allow custom cutting to specific position counts. Both are functionally equivalent for standard 72-position applications.
Q: Do contact finish variations affect electrical performance? A: Gold and tin finishes both provide acceptable electrical performance for signal integrity in this connector category. Gold finishes (75844-201-72LF, GBC36DAAN, PBC36DAAN, Samtec MTLW-136-07 and MTLW-136-23-L variants) offer enhanced corrosion resistance. Tin finishes (Harwin M20-9763646, Samtec MTLW-136-23-T variant) provide cost optimization. Selection depends on environmental exposure and cost constraints.
Q: What insulation material should I select? A: All listed substitutes use thermoplastic or advanced polymer insulation materials meeting UL94 V-0 flammability requirements. Thermoplastic (75844-201-72LF), Polyamide PA9T (GBC36DAAN), Polyamide PA6T (Harwin M20 variants), Polybutylene Terephthalate PBT (PBC36DAAN), and Liquid Crystal Polymer LCP (Samtec MTLW variants) are all acceptable. LCP insulation (Samtec) provides superior mechanical flexibility. Select based on mechanical stress and thermal cycling requirements.
Q: Are all substitutes available in bulk packaging? A: Most substitutes are available in bulk packaging. The Samtec MTLW variants do not specify packaging type in the provided data. Contact manufacturers directly for packaging options and lead times.
Q: What current and voltage ratings apply to these connectors? A: The original 75844-201-72 does not specify current or voltage ratings. Substitutes provide the following ratings: 75844-201-72LF (5A, 110V), 961272-6404-AR (2A), GBC36DAAN (3A), M20-9763642 and M20-9763646 (3A per contact), PBC36DAAN (3A), and Samtec MTLW variants (5.2A per contact). Select based on application power requirements.
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