ICO-422-STT Equivalent & Substitute Parts

Part Overview

The ICO-422-STT is a 22-position DIP socket manufactured by Samtec Inc., designed for through-hole mounting applications. This socket features a 0.4" (10.16mm) row spacing with 0.100" (2.54mm) pitch contacts, tin-plated beryllium copper mating contacts, and brass posts. The product is classified as Active status with 909 units in current inventory.

Substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when design requirements necessitate alternative contact finishes, temperature ratings, or current handling capabilities.

Substiute Parts

ICO-422-STT

Samtec Inc.In Stock: 919ICO-422-STT Datasheet

Current PartRFQ

110-99-422-41-001000

Mill-Max Manufacturing Corp.In Stock: 1023110-99-422-41-001000 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ICO-422-STT is determined by the following critical parameters:

Mandatory Matching Parameters:

• Number of Positions: 22 (2 x 11)
• Type: DIP with 0.4" (10.16mm) Row Spacing
• Pitch - Mating: 0.100" (2.54mm)
• Pitch - Post: 0.100" (2.54mm)
• Mounting Type: Through Hole
• Contact Material - Mating: Beryllium Copper
• Contact Material - Post: Brass or Brass Alloy
• Termination: Solder
• Features: Open Frame

Allowable Variation Parameters:

• Contact Finish - Mating: Tin or Tin-Lead
• Operating Temperature Range: Equal to or exceeding -55°C ~ 105°C
• Current Rating: Equal to or exceeding 1 A
• Contact Resistance: Equal to or lower than 10mOhm
• RoHS Compliance Status: May differ based on application requirements
• Housing Material: Polyester variants acceptable

The substitute part 110-99-422-41-001000 meets all mandatory matching parameters and provides enhanced specifications in current rating and operating temperature range.

Parameter Comparison

Engineering Selection Recommendations

Primary Part Selection (ICO-422-STT): The ICO-422-STT is the preferred selection for applications requiring ROHS3 compliance and UL94 V-0 flammability certification. This part is suitable for standard operating conditions within the -55°C to 105°C temperature range and 1 A current applications.

Substitute Part Selection (110-99-422-41-001000): The 110-99-422-41-001000 is suitable as a substitute when:

• Extended operating temperature range to 125°C is required
• Current handling capacity of 3 A is needed
• RoHS compliance is not a design requirement
• Tin-Lead contact finish is acceptable for the application

Both parts are Active status products with current inventory availability. The choice between them depends on specific compliance requirements and electrical performance specifications of the target application.

Frequently Asked Questions (FAQ)

Q: Can the 110-99-422-41-001000 be used as a direct replacement for the ICO-422-STT?

A: Yes, the 110-99-422-41-001000 is mechanically and electrically compatible as a substitute. Both parts share identical 22-position DIP configuration, 0.4" row spacing, 0.100" pitch, beryllium copper mating contacts, and through-hole solder termination. The substitute provides enhanced current rating (3 A vs. 1 A) and extended temperature range (-55°C to 125°C vs. -55°C to 105°C).

Q: What is the primary difference between these two parts?

A: The main differences are contact finish (Tin vs. Tin-Lead), operating temperature range (105°C vs. 125°C maximum), current rating (1 A vs. 3 A), and RoHS compliance status (ROHS3 Compliant vs. RoHS non-compliant). The mechanical footprint and pin configuration are identical.

Q: Are there any compatibility concerns when substituting the 110-99-422-41-001000 for the ICO-422-STT?

A: No compatibility concerns exist for mechanical or electrical interface. However, applications requiring RoHS3 compliance or UL94 V-0 flammability certification must use the ICO-422-STT. Applications using lead-free solder processes should verify compatibility with the Tin-Lead finish of the substitute part.

Q: What does the 0.4" (10.16mm) row spacing specification mean?

A: Row spacing refers to the distance between the two parallel rows of contact positions in the DIP socket. The 0.4" specification ensures compatibility with standard DIP integrated circuits having this row spacing dimension.

Q: Can these sockets accommodate different pin counts?

A: No. Both the ICO-422-STT and 110-99-422-41-001000 are specifically designed for 22-position (2 x 11) DIP packages. They are not compatible with other pin count configurations.

Q: What is the significance of the 0.100" (2.54mm) pitch specification?

A: Pitch refers to the center-to-center distance between adjacent contact positions. The 0.100" pitch is the standard spacing for DIP sockets and must match the pin spacing of the integrated circuit being installed.