C8140-04 Equivalent & Substitute Parts Reference

Part Overview

The C8140-04 is a 40-position DIP socket manufactured by Aries Electronics, designed for IC and transistor applications with 0.6" (15.24mm) row spacing. This component features tin-plated phosphor bronze contacts, wire wrap termination, and a closed frame design rated for -55°C to 105°C operation. The product is currently obsolete, making equivalent substitute parts necessary for legacy system maintenance and component sourcing.

Key Parameters

Parameter	Value
Manufacturer Part Number	C8140-04
Manufacturer	Aries Electronics
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)
Pitch - Post	0.100" (2.54mm)
Contact Finish - Mating	Tin
Contact Material - Mating	Phosphor Bronze
Mounting Type	Through Hole
Termination	Wire Wrap
Operating Temperature Range	-55°C ~ 105°C
Current Rating	1.5 A
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the C8140-04 is determined by the following critical parameters that must remain consistent:

Socket Configuration: 40-position DIP socket with 0.6" (15.24mm) row spacing
Pitch Specifications: 0.100" (2.54mm) mating and post pitch for PCB compatibility
Mounting Method: Through hole termination with wire wrap capability
Electrical Performance: Current rating and contact resistance suitable for IC socket applications
Environmental Compliance: RoHS3 compliance and UL94 V-0 flammability rating
Operating Temperature: Functional range supporting -55°C to 105°C minimum

The AR 40-HZW/TN from Assmann WSW Components meets these core substitution criteria while maintaining mechanical and electrical compatibility with the original C8140-04 specification.

Parameter Comparison

Parameter	C8140-04 (Aries Electronics)	AR 40-HZW/TN (Assmann WSW)
Number of Positions	40 (2 x 20)	40 (2 x 20)
Type	DIP, 0.6" (15.24mm) Row Spacing	DIP, 0.6" (15.24mm) Row Spacing
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)
Pitch - Post	0.100" (2.54mm)	0.100" (2.54mm)
Contact Finish - Mating	Tin	Gold
Contact Material - Mating	Phosphor Bronze	Beryllium Copper
Contact Finish - Post	Tin	Tin
Contact Material - Post	Phosphor Bronze	Beryllium Copper
Mounting Type	Through Hole	Through Hole
Termination	Wire Wrap	Wire Wrap
Frame Design	Closed Frame	Open Frame
Operating Temperature Range	-55°C ~ 105°C	-40°C ~ 105°C
Current Rating	1.5 A	3 A
Contact Resistance	Not specified	4 mOhm
Material Flammability Rating	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active

Engineering Selection Recommendations

The AR 40-HZW/TN qualifies as a direct substitute for the C8140-04 based on matching socket configuration, pitch specifications, through-hole wire wrap termination, and compliance certifications. Both components maintain UL94 V-0 flammability rating and ROHS3 compliance.

The AR 40-HZW/TN is the preferred selection for new designs and legacy component replacement due to its active product status, higher current rating (3 A versus 1.5 A), and documented contact resistance specification (4 mOhm). The gold-plated mating contacts on the AR 40-HZW/TN provide enhanced corrosion resistance compared to the tin-plated contacts of the C8140-04.

The operating temperature range of the AR 40-HZW/TN (-40°C to 105°C) covers the upper portion of the C8140-04 range (-55°C to 105°C). Applications requiring operation below -40°C require evaluation of the lower temperature limit.

Frequently Asked Questions (FAQ)

Q: Can the AR 40-HZW/TN directly replace the C8140-04 on existing PCBs?

A: Yes. Both components share identical 40-position DIP configuration, 0.6" row spacing, 0.100" pitch specifications, and through-hole wire wrap termination. PCB footprints are mechanically compatible.

Q: What is the difference between the closed frame (C8140-04) and open frame (AR 40-HZW/TN) design?

A: Frame design affects mechanical support and dust protection. The closed frame provides additional structural support, while the open frame reduces material and cost. Both designs maintain electrical performance and contact integrity for DIP socket applications.

Q: Are the contact materials interchangeable?

A: The C8140-04 uses phosphor bronze contacts with tin plating; the AR 40-HZW/TN uses beryllium copper contacts with gold plating on mating surfaces. Both materials are suitable for IC socket applications. Gold plating provides superior corrosion resistance and lower contact resistance (4 mOhm specified for AR 40-HZW/TN).

Q: Does the higher current rating of the AR 40-HZW/TN (3 A vs 1.5 A) affect compatibility?

A: No. Higher current rating indicates improved electrical capability and does not affect mechanical or functional compatibility. The substitute part can safely handle applications designed for the original 1.5 A specification.

Q: What is the minimum operating temperature consideration?

A: The C8140-04 operates to -55°C; the AR 40-HZW/TN operates to -40°C. Applications requiring operation below -40°C must confirm the AR 40-HZW/TN meets temperature requirements before implementation.

Q: Are both components RoHS3 compliant?

A: Yes. Both the C8140-04 and AR 40-HZW/TN are ROHS3 compliant and REACH unaffected, meeting current environmental regulations.

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