DIP640-011BLF IC DIP Socket 40-Position Equivalent & Substitute Parts

Part Overview

The DIP640-011BLF is a 40-position DIP socket manufactured by Amphenol ICC (FCI) designed for through-hole mounting of dual inline package integrated circuits. This connector features gold-plated beryllium copper mating contacts with 0.100" (2.54mm) pitch and 0.6" (15.24mm) row spacing. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	DIP640-011BLF
Manufacturer	Amphenol ICC (FCI)
Category	Sockets for ICs, Transistors
Type	DIP, 0.6" (15.24mm) Row Spacing
Number of Positions	40 (2 x 20)
Pitch - Mating	0.100" (2.54mm)
Contact Finish - Mating	Gold
Contact Material - Mating	Beryllium Copper
Mounting Type	Through Hole
Termination	Solder
Pitch - Post	0.100" (2.54mm)
Contact Finish - Post	Tin
Termination Post Length	0.125" (3.18mm)
Housing Material	Polycyclohexylenedimethylene Terephthalate (PCT), Polyester, Glass Filled
Material Flammability Rating	UL94 V-0
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the DIP640-011BLF is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Number of Positions: 40 (2 x 20)
Pitch - Mating: 0.100" (2.54mm)
Pitch - Post: 0.100" (2.54mm)
Row Spacing: 0.6" (15.24mm)
Mounting Type: Through Hole
Termination: Solder
Termination Post Length: 0.125" (3.18mm)

Functionally Equivalent Parameters:

Contact Material - Mating: Beryllium Copper
Contact Finish - Mating: Gold
Housing Material: Polycyclohexylenedimethylene Terephthalate (PCT), Polyester

Variable Parameters (Acceptable Differences):

Contact Finish Thickness - Mating: 10.0µin to 30.0µin
Contact Finish - Post: Tin, Tin-Lead, or Gold
Contact Finish Thickness - Post: 200.0µin or 10.0µin
Contact Material - Post: Brass or Brass Alloy
Features: Open Frame, with or without Decoupling Capacitor
Operating Temperature: -55°C ~ 125°C (when specified)
Current Rating: 3 A (when specified)
Contact Resistance: 10mOhm (when specified)

All substitute parts listed are manufactured by Mill-Max Manufacturing Corp., Series 110 or 101, and maintain active product status with RoHS3 compliance.

Parameter Comparison

Parameter	DIP640-011BLF	101-93-640-41-560000	110-11-640-41-001000	110-13-640-41-001000	110-13-640-41-801000	110-41-640-41-001000	110-43-640-41-001000	110-43-640-41-605000	110-43-640-41-801000	110-44-640-41-001000	110-91-640-41-001000
Manufacturer	Amphenol ICC (FCI)	Mill-Max	Mill-Max	Mill-Max	Mill-Max	Mill-Max	Mill-Max	Mill-Max	Mill-Max	Mill-Max	Mill-Max
Number of Positions	40 (2 x 20)	40 (2 x 20)	40 (2 x 20)	40 (2 x 20)	40 (2 x 20)	40 (2 x 20)	40 (2 x 20)	40 (2 x 20)	40 (2 x 20)	40 (2 x 20)	40 (2 x 20)
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)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Row Spacing	0.6" (15.24mm)	0.6" (15.24mm)	0.6" (15.24mm)	0.6" (15.24mm)	0.6" (15.24mm)	0.6" (15.24mm)	0.6" (15.24mm)	0.6" (15.24mm)	0.6" (15.24mm)	0.6" (15.24mm)	0.6" (15.24mm)
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Tin	Gold
Contact Finish Thickness - Mating	10.0µin (0.25µm)	30.0µin (0.76µm)	10.0µin (0.25µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	10.0µin (0.25µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	100.0µin (2.54µm)	10.0µin (0.25µm)
Contact Material - Mating	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Pitch - Post	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)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Finish - Post	Tin	Tin-Lead	Gold	Gold	Gold	Tin	Tin	Tin	Tin	Tin	Tin-Lead
Contact Finish Thickness - Post	200.0µin (5.08µm)	200.0µin (5.08µm)	10.0µin (0.25µm)	10.0µin (0.25µm)	10.0µin (0.25µm)	200.0µin (5.08µm)	200.0µin (5.08µm)	200.0µin (5.08µm)	200.0µin (5.08µm)	200.0µin (5.08µm)	200.0µin (5.08µm)
Contact Material - Post	Brass	Brass Alloy	Brass Alloy	Brass Alloy	Brass Alloy	Brass Alloy	Brass Alloy	Brass Alloy	Brass Alloy	Brass Alloy	Brass Alloy
Termination Post Length	0.125" (3.18mm)	0.125" (3.18mm)	0.125" (3.18mm)	0.125" (3.18mm)	0.125" (3.18mm)	0.125" (3.18mm)	0.125" (3.18mm)	0.125" (3.18mm)	0.125" (3.18mm)	0.125" (3.18mm)	0.125" (3.18mm)
Housing Material	PCT, Polyester, Glass Filled	PCT, Polyester	PCT, Polyester	PCT, Polyester	PCT, Polyester	PCT, Polyester	PCT, Polyester	PCT, Polyester	PCT, Polyester	PCT, Polyester	PCT, Polyester
Operating Temperature	Not specified	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Current Rating	Not specified	3 A	3 A	3 A	3 A	3 A	3 A	3 A	3 A	3 A	3 A
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All listed substitute parts maintain functional equivalence to the DIP640-011BLF across critical mechanical and electrical parameters. Selection should prioritize parts with active product status and current compliance certifications.

For RoHS3 Compliant Applications: Select from 101-93-640-41-560000, 110-11-640-41-001000, 110-13-640-41-001000, 110-13-640-41-801000, 110-41-640-41-001000, 110-43-640-41-001000, 110-43-640-41-605000, or 110-43-640-41-801000. All maintain ROHS3 compliance and active product status.

For Non-Compliant Legacy Applications: 110-91-640-41-001000 is available with RoHS non-compliant status for applications requiring Tin-Lead post finish.

For Decoupling Capacitor Integration: 110-13-640-41-801000 and 110-43-640-41-801000 include integrated decoupling capacitor features within the open frame design.

For Contact Finish Specifications:

Gold mating contact with 10.0µin thickness: 110-11-640-41-001000, 110-41-640-41-001000, 110-91-640-41-001000
Gold mating contact with 30.0µin thickness: 101-93-640-41-560000, 110-13-640-41-001000, 110-13-640-41-801000, 110-43-640-41-001000, 110-43-640-41-605000, 110-43-640-41-801000
Tin mating contact: 110-44-640-41-001000

For Post Finish Specifications:

Gold post finish: 110-11-640-41-001000, 110-13-640-41-001000, 110-13-640-41-801000
Tin post finish: 110-41-640-41-001000, 110-43-640-41-001000, 110-43-640-41-605000, 110-43-640-41-801000, 110-44-640-41-001000
Tin-Lead post finish: 101-93-640-41-560000, 110-91-640-41-001000

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with different contact finish thickness on the mating side?

A: Yes. The mating contact finish thickness varies between 10.0µin and 30.0µin across substitute parts. Both thicknesses are functionally equivalent for standard DIP socket applications and do not affect mechanical or electrical compatibility.

Q: What is the difference between parts with Tin and Gold post finishes?

A: Post finish affects soldering characteristics and long-term reliability in specific environmental conditions. Tin post finish (200.0µin) is standard for most applications. Gold post finish (10.0µin) is available in 110-11-640-41-001000, 110-13-640-41-001000, and 110-13-640-41-801000 for applications requiring enhanced corrosion resistance.

Q: Are the Mill-Max Series 110 and Series 101 parts mechanically interchangeable with the Amphenol ICC DIP640-011BLF?

A: Yes. All substitute parts maintain identical pitch (0.100"), row spacing (0.6"), position count (40), and termination post length (0.125"). Mechanical interchangeability is confirmed across all listed substitutes.

Q: What does the decoupling capacitor feature add to parts 110-13-640-41-801000 and 110-43-640-41-801000?

A: These parts include integrated decoupling capacitor functionality within the open frame design. This feature provides on-socket capacitance for power supply decoupling, reducing the need for external discrete capacitors in some applications.

Q: Is the DIP640-011BLF obsolete status a concern for substitution?

A: The obsolete status of the original part necessitates substitution. All recommended Mill-Max alternatives maintain active product status with current manufacturing support and compliance certifications, ensuring long-term availability and supply chain stability.

Q: Which substitute part most closely matches the original DIP640-011BLF specifications?

A: 110-41-640-41-001000 provides the closest match, maintaining identical mating contact finish thickness (10.0µin gold), tin post finish (200.0µin), and open frame features. This part is recommended as the primary substitute for direct replacement applications.

Q: Can I mix substitute parts from different manufacturers in the same design?

A: All listed substitutes are manufactured by Mill-Max Manufacturing Corp. While mechanically and electrically equivalent, using a single manufacturer part number throughout a design simplifies procurement, inventory management, and supply chain logistics.

Q: What is the significance of the REACH Unaffected status?

A: REACH Unaffected status indicates the part is not subject to REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) regulatory requirements. All listed parts maintain this status, confirming compliance with European chemical regulations.

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