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TE Connectivity 5-146405-2 Equivalent & Substitute Parts
Part Overview
The TE Connectivity 5-146405-2 is a vertical rectangular connector header with 4 positions at 2.54mm pitch, designed for through-hole mounting in board-to-board or cable applications. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing design requirements and production continuity. The connector features male pins with gold-plated mating contacts and tin-plated posts, supporting 3A current rating across an operating temperature range of -65°C to 105°C.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 5-146405-2 |
| Manufacturer | TE Connectivity AMP Connectors |
| Category | Rectangular Connectors |
| Connector Type | Header, Breakaway |
| Number of Positions | 4 |
| Pitch - Mating | 0.100" (2.54mm) |
| Contact Type | Male Pin |
| Mounting Type | Through Hole |
| Termination | Press-Fit, Solder |
| Contact Finish - Mating | Gold (10.0µin / 0.25µm) |
| Contact Finish - Post | Tin (100.0µin / 2.54µm) |
| Current Rating | 3A |
| Operating Temperature | -65°C ~ 105°C |
| Material Flammability Rating | UL94 V-0 |
| RoHS Status | RoHS Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the 5-146405-2 is determined by strict alignment of the following critical parameters:
Primary Substitution Criteria:
- Pitch - Mating: 0.100" (2.54mm)
- Contact Type: Male Pin
- Mounting Type: Through Hole
- Fastening Type: Push-Pull
- Material Flammability Rating: UL94 V-0
- Current Rating: 3A
- Operating Temperature Range: Minimum -65°C, Maximum ≥105°C
Secondary Compatibility Factors:
- Number of Positions (4-position preferred; 2-position variants listed as similar alternatives)
- Contact Shape: Square
- Connector Style: Board to Board or Cable
- Shrouding: Unshrouded
The primary substitute is TE Connectivity 5-146278-4, which maintains identical electrical and mechanical specifications while offering active product status. Additional similar parts from Sullins Connector Solutions (PBC02 series), Amphenol ICC (69190-102HLF), and 3M (2302-6111-TG) provide alternatives with varying position counts and contact post lengths, suitable for applications where 2-position configurations are acceptable.
Parameter Comparison
| Parameter | 5-146405-2 (Main) | 5-146278-4 (Primary Substitute) | PBC02SAAN (Similar) | 69190-102HLF (Similar) | 2302-6111-TG (Similar) |
|---|---|---|---|---|---|
| Manufacturer | TE Connectivity | TE Connectivity | Sullins | Amphenol ICC | 3M |
| Number of Positions | 4 | 4 | 2 | 2 | 2 |
| Pitch - Mating | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) |
| Contact Type | Male Pin | Male Pin | Male Pin | Male Pin | Male Pin |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Termination | Press-Fit, Solder | Solder | Solder | Press-Fit, Solder | Solder |
| Contact Finish - Mating | Gold (10.0µin) | Tin (100.0µin) | Gold (10.0µin) | Gold or Gold, GXT™ (30.0µin) | Gold (10.0µin) |
| Contact Finish - Post | Tin (100.0µin) | Tin (100.0µin) | Tin (100.0µin) | Not Specified | Tin-Lead (100.0µin) |
| Contact Material | Copper Alloy | Copper Alloy | Phosphor Bronze | Phosphor Bronze | Copper Alloy |
| Current Rating | 3A | 3A | 3A | 3A | 3A |
| Operating Temperature | -65°C ~ 105°C | -65°C ~ 105°C | -65°C ~ 125°C | -65°C ~ 130°C | -55°C ~ 105°C |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 |
| RoHS Status | RoHS Compliant | RoHS Compliant | ROHS3 Compliant | RoHS Compliant | RoHS non-compliant |
| Product Status | Obsolete | Active | Active | Active | Active |
| Inventory Availability | 717 Pcs | 13,466 Pcs | 35,308 Pcs | 17,149 Pcs | 11,427 Pcs |
Engineering Selection Recommendations
Primary Recommendation: TE Connectivity 5-146278-4
The 5-146278-4 is the direct equivalent for the obsolete 5-146405-2. Both components share identical electrical and mechanical specifications including 4-position configuration, 2.54mm pitch, 3A current rating, and -65°C to 105°C operating temperature range. The primary substitute maintains RoHS compliance and UL94 V-0 flammability rating. The distinction lies in contact finish specification: the 5-146278-4 features tin-plated mating contacts (100.0µin) compared to the gold-plated mating contacts (10.0µin) of the original part. Both termination methods (solder) are compatible with standard PCB assembly processes. Active product status and significantly higher inventory availability (13,466 units) support production continuity.
Secondary Alternatives: Sullins PBC02 Series
The Sullins Connector Solutions PBC02SAAN, PBC02SABN, PBC02SACN, PBC02SADN, PBC02SAEN, PBC02SAFN, and PBC02SAGN parts provide 2-position alternatives with identical pitch, contact type, and current rating. These components feature phosphor bronze contacts with gold mating finishes and tin post finishes. Operating temperature range extends to 125°C. Variants differ in contact post length, accommodating different PCB thicknesses and application requirements. ROHS3 compliance and active product status support modern design requirements. Selection among PBC02 variants depends on required contact post length for specific PCB assembly specifications.
Tertiary Alternatives: Amphenol ICC 69190-102HLF and 3M 2302-6111-TG
The Amphenol ICC 69190-102HLF (BERGSTIK® II series) provides a 2-position alternative with extended operating temperature range (-65°C to 130°C) and phosphor bronze contacts. RoHS compliance and press-fit/solder termination options support flexible assembly methods. The 3M 2302-6111-TG offers 2-position configuration with identical pitch and current rating but operates at reduced minimum temperature (-55°C) and carries RoHS non-compliant status, limiting suitability for new designs requiring regulatory compliance.
Frequently Asked Questions (FAQ)
Q: Can the 5-146278-4 directly replace the 5-146405-2 in existing designs?
A: Yes. The 5-146278-4 maintains identical electrical and mechanical specifications including 4-position configuration, 2.54mm pitch, 3A current rating, and operating temperature range. The primary difference is mating contact finish (tin versus gold), which does not affect electrical performance in standard applications. Both components support solder termination and push-pull fastening.
Q: Why are 2-position alternatives listed for a 4-position connector?
A: The 2-position parts (PBC02 series, 69190-102HLF, 2302-6111-TG) are listed as similar alternatives for applications where position count flexibility exists. These parts share critical substitution parameters including pitch, contact type, mounting method, and current rating. Selection of 2-position variants requires design modification to accommodate reduced position count.
Q: What is the significance of contact post length variations in the PBC02 series?
A: Contact post length determines compatibility with specific PCB thicknesses and assembly requirements. PBC02SAAN features 0.120" (3.05mm) post length, while PBC02SABN through PBC02SAGN provide progressively longer posts (0.230" to 0.720") for applications requiring deeper PCB penetration or specific stacking height requirements. Selection depends on PCB thickness and mechanical design constraints.
Q: Are all substitute parts RoHS compliant?
A: The 5-146278-4, PBC02 series, and 69190-102HLF are RoHS compliant or ROHS3 compliant. The 3M 2302-6111-TG is RoHS non-compliant and unsuitable for designs requiring regulatory compliance with RoHS directives.
Q: What is the difference between press-fit and solder termination options?
A: Press-fit termination uses mechanical insertion into plated through-holes without solder, while solder termination requires thermal bonding to PCB pads. The 5-146405-2 and 69190-102HLF support both methods. The 5-146278-4 and PBC02 series support solder termination only. Assembly process selection determines appropriate termination method.
Q: How do contact material differences affect performance?
A: The 5-146405-2 uses copper alloy contacts, while PBC02 series and 69190-102HLF use phosphor bronze. Both materials support 3A current rating and UL94 V-0 flammability requirements. Phosphor bronze offers enhanced spring characteristics and durability in high-cycle mating applications. Material selection does not affect electrical performance in standard applications.
Q: What inventory considerations apply to substitute selection?
A: The 5-146278-4 offers 13,466 units in stock, providing substantial availability for production requirements. PBC02SAAN provides highest inventory (35,308 units) among 2-position alternatives. Inventory levels support long-term production planning and supply chain continuity.
Q: Can the 5-146405-2 be used interchangeably with 2-position alternatives in new designs?
A: No. The 5-146405-2 is a 4-position connector. Substitution with 2-position alternatives requires design modification to accommodate reduced position count. Direct interchange is not possible without circuit redesign.
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