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TE Connectivity 826949-4 Equivalent & Substitute Parts
Part Overview
The TE Connectivity 826949-4 is a rectangular connector header manufactured under the AMPMODU Mod II series. This through-hole, right-angle 4-position connector operates at 0.100" (2.54mm) pitch and features male pins with solder termination. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for board-to-board or cable applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 826949-4 |
| Manufacturer | TE Connectivity AMP Connectors |
| Series | AMPMODU Mod II |
| Product Status | Obsolete |
| Connector Type | Header, Breakaway |
| Contact Type | Male Pin |
| Pitch - Mating | 0.100" (2.54mm) |
| Number of Positions | 4 |
| Number of Rows | 1 |
| Mounting Type | Through Hole, Right Angle |
| Termination | Solder |
| Fastening Type | Push-Pull |
| Contact Shape | Square |
| Insulation Material | Polybutylene Terephthalate (PBT) |
| Operating Temperature | -65°C ~ 105°C |
| Material Flammability Rating | UL94 V-0 |
| Current Rating | 5A |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the TE Connectivity 826949-4 is determined by strict alignment of the following critical parameters:
Primary Matching Criteria:
- Pitch - Mating: 0.100" (2.54mm)
- Number of Positions: 4
- Number of Rows: 1
- Connector Type: Header with Male Pin contact
- Mounting Type: Through Hole, Right Angle
- Termination: Solder
- Fastening Type: Push-Pull
- Contact Shape: Square
- Material Flammability Rating: UL94 V-0
Secondary Compatibility Factors:
- Operating Temperature range must encompass or exceed -65°C ~ 105°C
- Insulation material must support equivalent environmental conditions
- Contact finish and material must maintain electrical performance
- RoHS compliance status must be ROHS3 Compliant or equivalent
All substitute parts listed maintain these core electrical and mechanical parameters, ensuring direct functional equivalence for board-to-board or cable interconnection applications.
Parameter Comparison
| Parameter | 826949-4 (TE) | 0901210764 (Molex) | 75168-101-04LF (Amphenol ICC) | 929835-01-04-RK (3M) | HTSW-104-08-F-S-RA (Samtec) | HTSW-104-08-G-S-RA (Samtec) | TSW-104-08-F-S-RA (Samtec) |
|---|---|---|---|---|---|---|---|
| Manufacturer | TE Connectivity | Molex | Amphenol ICC (FCI) | 3M | Samtec Inc. | Samtec Inc. | Samtec Inc. |
| Series | AMPMODU Mod II | C-Grid III 90121 | BERGSTIK® | 929 | HTSW | HTSW | TSW |
| Product Status | Obsolete | Active | Obsolete | Active | Active | Active | Active |
| Pitch - Mating | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) |
| Number of Positions | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Number of Rows | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Connector Type | Header, Breakaway | Header, Breakaway | Header | Header, Breakaway | Header | Header | Header |
| Contact Type | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin |
| 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 |
| 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 Shape | Square | Square | Square | Square | Square | Square | Square |
| Contact Length - Mating | 0.228" (5.80mm) | 0.266" (6.75mm) | 0.225" (5.72mm) | 0.235" (5.97mm) | 0.230" (5.84mm) | 0.230" (5.84mm) | 0.230" (5.84mm) |
| Contact Length - Post | 0.126" (3.20mm) | 0.114" (2.90mm) | 0.101" (2.57mm) | 0.110" (2.79mm) | 0.090" (2.29mm) | 0.090" (2.29mm) | 0.090" (2.29mm) |
| Insulation Height | 0.120" (3.05mm) | 0.142" (3.60mm) | 0.110" (2.79mm) | 0.115" (2.92mm) | 0.122" (3.10mm) | 0.122" (3.10mm) | 0.119" (3.02mm) |
| Contact Finish - Mating | Tin | Gold | Gold, GXT™ | Tin | Gold | Gold | Gold |
| Contact Material | Copper Alloy | Brass | Phosphor Bronze | Copper Alloy | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze |
| Insulation Material | Polybutylene Terephthalate (PBT) | Polyester, Glass Filled | Thermoplastic | Polycyclohexylenedimethylene Terephthalate (PCT) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Polybutylene Terephthalate (PBT) |
| Operating Temperature | -65°C ~ 105°C | Not Specified | Not Specified | -40°C ~ 105°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 |
| Current Rating | 5A | Not Specified | Not Specified | 2.5A | Varies by Wire Gauge | Varies by Wire Gauge | Not Specified |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | RoHS Compliant | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | Not Applicable | Not Applicable | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Primary Recommendation: Samtec TSW-104-08-F-S-RA
The Samtec TSW-104-08-F-S-RA is the preferred substitute for the obsolete TE Connectivity 826949-4. This part maintains all critical electrical and mechanical parameters while offering active product status with ROHS3 compliance. The extended operating temperature range of -55°C ~ 125°C exceeds the original specification of -65°C ~ 105°C, providing enhanced thermal margin. The part is currently in active production with 1466 units in stock.
Secondary Recommendation: Samtec HTSW-104-08-F-S-RA or HTSW-104-08-G-S-RA
Both HTSW variants from Samtec provide equivalent functionality with identical pitch, position count, and mounting configuration. The HTSW series features Liquid Crystal Polymer (LCP) insulation material and operates across -55°C ~ 125°C. The HTSW-104-08-G-S-RA variant includes gold plating on both mating and post contacts, offering enhanced corrosion resistance. Both variants maintain ROHS3 compliance and unlimited moisture sensitivity rating.
Alternative Recommendation: Molex 0901210764
The Molex 0901210764 from the C-Grid III 90121 series provides functional equivalence with active product status and ROHS3 compliance. This part features gold-plated mating contacts and brass contact material. With 5101 units in stock, this option offers high availability. Note that operating temperature range is not specified by the manufacturer.
Consideration: 3M 929835-01-04-RK
The 3M 929835-01-04-RK operates within -40°C ~ 105°C, which does not fully encompass the original -65°C lower temperature limit. This part is suitable only for applications where the lower temperature requirement is not critical. Current rating is specified at 2.5A, which is lower than the original 5A specification.
Not Recommended: Amphenol ICC 75168-101-04LF
The Amphenol ICC 75168-101-04LF is classified as obsolete, similar to the original part. While it maintains mechanical and electrical compatibility, selection of this part does not resolve the obsolescence issue and offers no advantage over active alternatives.
Frequently Asked Questions (FAQ)
Q: Can the Samtec TSW-104-08-F-S-RA directly replace the TE Connectivity 826949-4 in existing designs?
A: Yes. Both parts share identical pitch (0.100" / 2.54mm), position count (4), row configuration (1), mounting type (through-hole right-angle), termination method (solder), and fastening mechanism (push-pull). The contact shape, insulation material flammability rating (UL94 V-0), and RoHS compliance are equivalent. The Samtec part operates across a wider temperature range (-55°C ~ 125°C versus -65°C ~ 105°C), providing enhanced thermal margin.
Q: What are the key differences between the Samtec HTSW and TSW series options?
A: The primary differences are insulation material and contact finish specifications. The HTSW series uses Liquid Crystal Polymer (LCP) insulation, while the TSW series uses Polybutylene Terephthalate (PBT), matching the original TE part. Both series maintain identical pitch, position count, and mounting configuration. The HTSW-104-08-G-S-RA variant includes gold plating on post contacts, whereas the HTSW-104-08-F-S-RA and TSW-104-08-F-S-RA variants use tin-plated posts.
Q: Does the Molex 0901210764 offer any advantages over the Samtec alternatives?
A: The Molex part features brass contact material with gold plating on mating surfaces, which may provide enhanced corrosion resistance in certain environments. However, the Samtec alternatives offer specified operating temperature ranges, active product status with higher inventory availability, and equivalent electrical performance. Selection between these options depends on specific application requirements regarding contact material and environmental exposure.
Q: Why is the 3M 929835-01-04-RK not recommended as a primary substitute?
A: The 3M part operates only to -40°C, which does not meet the original specification of -65°C minimum operating temperature. Additionally, the current rating is specified at 2.5A, lower than the original 5A rating. This part is suitable only for applications where the lower temperature and current specifications are acceptable.
Q: Are there any packaging differences between substitute options?
A: Yes. The TE Connectivity 826949-4 and most Samtec variants are supplied in bulk packaging. The Molex 0901210764 is supplied in bulk packaging with 5101 units in stock. The Amphenol ICC 75168-101-04LF is supplied in bag packaging. Packaging format does not affect electrical or mechanical compatibility; selection should be based on procurement and inventory management requirements.
Q: What is the significance of the "Number of Positions Loaded" parameter in some Samtec variants?
A: The TSW-104-08-F-S-RA-001 and TSW-104-08-F-S-RA-004 variants are specified with 3 positions loaded, whereas the standard TSW-104-08-F-S-RA has all 4 positions loaded. For direct replacement of the 826949-4, which has all positions loaded, the standard TSW-104-08-F-S-RA is the appropriate selection.
Q: How do contact finish specifications affect substitution compatibility?
A: Contact finish (tin versus gold plating) affects corrosion resistance and mating force characteristics but does not prevent functional interchangeability. The original TE part uses tin-plated contacts. Samtec TSW and HTSW-08-F variants use gold-plated mating contacts with tin-plated posts, providing enhanced corrosion resistance. Molex and Amphenol alternatives use gold plating. All finishes maintain electrical conductivity and are compatible with standard mating connectors.
Q: Is RoHS compliance status a critical factor in selecting a substitute?
A: Yes. The original TE Connectivity 826949-4 is ROHS3 compliant. All recommended substitute parts maintain ROHS3 compliance or equivalent RoHS compliance status. This ensures compatibility with procurement requirements and regulatory standards for electronic equipment manufacturing.
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