ICO-486-S8-T DIP Socket 48-Position Equivalent & Substitute Parts

Part Overview

The ICO-486-S8-T is a 48-position DIP socket manufactured by 3M, designed for through-hole mounting of dual inline package integrated circuits. This connector features tin-plated phosphor bronze contacts with 0.100" (2.54mm) pitch and 0.6" (15.24mm) row spacing. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. Active alternatives from 3M and Mill-Max Manufacturing Corp. provide functional equivalence with enhanced specifications and current product status.

Key Parameters

Parameter	ICO-486-S8-T
Manufacturer	3M
Number of Positions	48 (2 x 24)
Type	DIP, 0.6" (15.24mm) Row Spacing
Pitch - Mating	0.100" (2.54mm)
Contact Finish - Mating	Tin
Contact Material - Mating	Phosphor Bronze
Mounting Type	Through Hole
Termination	Solder
Operating Temperature	-65°C ~ 105°C
Current Rating	1 A
Material Flammability Rating	UL94 V-0
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution eligibility for the ICO-486-S8-T is determined by the following critical parameters:

Number of Positions: 48 (2 x 24) configuration
Pitch - Mating: 0.100" (2.54mm)
Row Spacing: 0.6" (15.24mm)
Mounting Type: Through Hole
Termination: Solder

All substitute parts listed maintain these core mechanical and electrical parameters, ensuring physical and functional compatibility with the original ICO-486-S8-T footprint and circuit interface.

Parameter Comparison

Parameter	ICO-486-S8-T (3M)	4848-6000-CP (3M)	116-41-648-41-006000 (Mill-Max)	116-91-648-41-006000 (Mill-Max)	116-93-648-41-006000 (Mill-Max)
Number of Positions	48 (2 x 24)	48 (2 x 24)	48 (2 x 24)	48 (2 x 24)	48 (2 x 24)
Type	DIP, 0.6" Row Spacing	DIP, 0.6" Row Spacing	DIP, 0.6" Row Spacing	DIP, 0.6" Row Spacing	DIP, 0.6" Row Spacing
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Finish - Mating	Tin	Tin	Gold	Gold	Gold
Contact Material - Mating	Phosphor Bronze	Phosphor Bronze	Beryllium Copper	Beryllium Copper	Beryllium Copper
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder
Operating Temperature	-65°C ~ 105°C	-25°C ~ 85°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Current Rating	1 A	1 A	3 A	3 A	3 A
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	-
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified	RoHS non-compliant

Engineering Selection Recommendations

Direct Equivalent (Same Manufacturer): The 4848-6000-CP from 3M is the primary substitute for the ICO-486-S8-T. Both parts share identical contact materials (phosphor bronze), mating finish (tin), and current rating (1 A). The 4848-6000-CP maintains the same mechanical interface and is ROHS3 compliant with active product status, making it the preferred choice for direct replacement in new designs and production continuations.

Enhanced Alternatives (Mill-Max Manufacturing Corp.): The 116-41-648-41-006000, 116-91-648-41-006000, and 116-93-648-41-006000 from Mill-Max provide superior electrical performance with gold-plated mating contacts, beryllium copper contact material, and 3 A current rating. These parts are ROHS3 compliant and active products with extended operating temperature ranges (-55°C ~ 125°C). The gold plating and beryllium copper construction offer improved contact reliability and lower contact resistance (10 mOhm specified). These alternatives are suitable for applications requiring enhanced performance specifications beyond the original ICO-486-S8-T capabilities.

Compliance Considerations: Applications requiring RoHS3 compliance should utilize 4848-6000-CP or the Mill-Max 116-41-648-41-006000 and 116-91-648-41-006000 variants. The 116-93-648-41-006000 maintains RoHS non-compliant status consistent with the original part.

Frequently Asked Questions (FAQ)

Q: Can the 4848-6000-CP directly replace the ICO-486-S8-T in existing assemblies? A: Yes. Both parts maintain identical 48-position DIP configuration, 0.100" (2.54mm) pitch, 0.6" (15.24mm) row spacing, and through-hole solder termination. The mechanical footprint and electrical interface are fully compatible.

Q: What are the differences between the 3M 4848-6000-CP and Mill-Max alternatives? A: The 4848-6000-CP uses tin-plated phosphor bronze contacts with 1 A current rating. Mill-Max parts feature gold-plated beryllium copper contacts with 3 A current rating and lower contact resistance (10 mOhm). Mill-Max parts also provide wider operating temperature range (-55°C ~ 125°C versus -25°C ~ 85°C).

Q: Are there packaging differences between these substitute parts? A: All substitute parts are supplied in tube packaging. The original ICO-486-S8-T packaging specification was not provided in the technical data.

Q: Which substitute part should be selected for new product designs? A: For new designs requiring RoHS3 compliance and active product support, the 4848-6000-CP provides direct functional equivalence. For applications requiring enhanced electrical performance, wider temperature range, or higher current capacity, the Mill-Max 116-41-648-41-006000 or 116-91-648-41-006000 are recommended.

Q: Do the Mill-Max parts have any contact finish differences? A: The 116-41-648-41-006000 features tin post finish, while 116-91-648-41-006000 and 116-93-648-41-006000 use tin-lead post finish. All three variants maintain gold mating contact finish with varying thickness specifications (10.0µin to 30.0µin).

Q: What is the operating temperature impact when substituting with 4848-6000-CP? A: The 4848-6000-CP operates at -25°C ~ 85°C compared to the original -65°C ~ 105°C range. Applications requiring the full original temperature range should utilize Mill-Max alternatives rated to -55°C ~ 125°C.

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