PC Pin Terminal Connector 3128-2-00-01-00-00-08-0

Part Overview

The Mill-Max Manufacturing Corp. 3128-2-00-01-00-00-08-0 is an active PC pin terminal connector designed for through-hole solder applications. This non-insulated brass alloy terminal features a 0.020" (0.51mm) circular pin diameter with tin-lead contact finish. The component is used in applications requiring reliable electrical connections in printed circuit board assemblies. Alternative equivalent parts may be required due to supply availability, RoHS compliance requirements, or specific manufacturing specifications.

Key Parameters

Parameter	Specification
Manufacturer Part Number	3128-2-00-01-00-00-08-0
Manufacturer	Mill-Max Manufacturing Corp.
Category	Terminals
Terminal Type	PC Pin
Pin Size - Above Flange	0.020" (0.51mm) Dia
Pin Size - Below Flange	0.020" (0.51mm) Dia
Length - Overall	0.545" (13.84mm)
Flange Diameter	0.046" (1.17mm)
Mounting Hole Diameter	0.024" (0.61mm)
Mounting Type	Through Hole
Termination	Solder
Contact Material	Brass Alloy
Contact Finish	Tin-Lead
Contact Finish Thickness	200.0µin (5.08µm)
Insulation	Non-Insulated
Product Status	Active
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 3128-2-00-01-00-00-08-0 is determined by strict equivalence in the following critical parameters:

Pin diameter: 0.020" (0.51mm) above and below flange
Overall length: 0.545" (13.84mm)
Mounting hole diameter: 0.024" (0.61mm)
Terminal type: PC Pin, single end
Mounting method: Through hole solder termination
Contact material: Brass or brass alloy
Contact finish thickness: 200.0µin (5.08µm)
Insulation: Non-insulated
Moisture sensitivity: MSL 1

The Keystone Electronics 2001-3 meets all critical dimensional and functional requirements for direct substitution. Minor variations in flange diameter (0.045" vs 0.046") and contact finish composition (tin vs tin-lead) remain within acceptable tolerance ranges for PC pin terminal applications. The 2001-3 provides ROHS3 compliance as an additional benefit over the non-compliant main part.

Parameter Comparison

Parameter	3128-2-00-01-00-00-08-0 (Mill-Max)	2001-3 (Keystone Electronics)
Terminal Type	PC Pin	PC Pin
Terminal Style	Single End	Single End
Pin Size - Above Flange	0.020" (0.51mm) Dia	0.020" (0.51mm) Dia
Pin Size - Below Flange	0.020" (0.51mm) Dia	0.020" (0.51mm) Dia
Length - Above Flange	0.425" (10.80mm)	0.425" (10.80mm)
Length - Below Flange	0.100" (2.54mm)	0.100" (2.54mm)
Length - Overall	0.545" (13.84mm)	0.545" (13.84mm)
Flange Diameter	0.046" (1.17mm)	0.045" (1.14mm)
Mounting Hole Diameter	0.024" (0.61mm)	0.024" (0.61mm)
Mounting Type	Through Hole	Through Hole
Termination	Solder	Solder
Insulation	Non-Insulated	Non-Insulated
Contact Material	Brass Alloy	Brass
Contact Finish	Tin-Lead	Tin
Contact Finish Thickness	200.0µin (5.08µm)	200.0µin (5.08µm)
Product Status	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both the 3128-2-00-01-00-00-08-0 and 2001-3 are active products with identical core dimensional specifications and solder termination compatibility. Selection between these parts should be based on regulatory compliance requirements:

The 3128-2-00-01-00-00-08-0 remains suitable for applications where RoHS compliance is not mandated. The 2001-3 from Keystone Electronics is the appropriate selection for designs requiring ROHS3 compliance. Both components maintain MSL 1 rating and REACH unaffected status. The minor flange diameter variation (0.001" difference) and contact finish composition difference (tin vs tin-lead) do not affect functional performance in standard PC pin terminal applications.

Frequently Asked Questions (FAQ)

Q: What determines if the 2001-3 can replace the 3128-2-00-01-00-00-08-0?

A: Direct substitution is valid when pin diameter, overall length, mounting hole diameter, and solder termination method are identical. The 2001-3 meets all these criteria with matching 0.020" pin diameter, 0.545" overall length, and 0.024" mounting hole diameter.

Q: Does the flange diameter difference of 0.001" affect compatibility?

A: No. The flange diameter serves as a stop for insertion depth. A 0.001" variation (0.046" to 0.045") remains within standard manufacturing tolerances and does not impact board mounting or electrical performance.

Q: What is the significance of the contact finish difference (tin-lead vs tin)?

A: Both finishes provide equivalent electrical conductivity and solder wettability at the specified 200.0µin thickness. The tin finish in the 2001-3 eliminates lead content, which is the primary advantage for RoHS3 compliance.

Q: Are there packaging or inventory considerations?

A: Both parts are supplied in bulk packaging. The 3128-2-00-01-00-00-08-0 has 1113 pieces in stock, while the 2001-3 has 2706 pieces available. Packaging format is identical for both.

Q: Can the 3128-2-00-01-00-00-08-0 be used in applications requiring RoHS compliance?

A: No. The 3128-2-00-01-00-00-08-0 is RoHS non-compliant due to its tin-lead contact finish. The 2001-3 is ROHS3 compliant and must be used for regulated applications.

Q: Are both parts suitable for unlimited moisture exposure?

A: Yes. Both components carry MSL 1 rating, indicating unlimited moisture sensitivity level with no special storage or handling requirements.

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