Molex 0022283321 Rectangular Connector - Equivalent & Substitute Parts

Part Overview

The Molex 0022283321 is a vertical header connector with 32 positions at 0.100" (2.54mm) pitch, designed for through-hole mounting in board-to-board or cable applications. This connector features shrouded design with 1 wall, male pin contacts, and gold-plated mating surfaces. The part is classified as obsolete, making identification of active equivalent alternatives essential for ongoing production and maintenance applications across automotive, medical, telecommunications, and general purpose industries.

Substiute Parts

0022283321
MolexIn Stock: 10480022283321 Datasheet
0022283321
Current Part
0022280321
MolexIn Stock: 7670022280321 Datasheet
0022280321
MFR Recommended

Key Parameters

Parameter Value
Manufacturer Part Number 0022283321
Manufacturer Molex
Category Rectangular Connectors
Series KK254, 42225
Connector Type Header, Breakaway
Contact Type Male Pin
Number of Positions 32
Number of Rows 1
Pitch - Mating 0.100" (2.54mm)
Mounting Type Through Hole
Shrouding Shrouded - 1 Wall
Contact Finish - Mating Gold
Contact Finish - Post Tin
Insulation Material Polyamide (PA), Nylon, Glass Filled
Product Status Obsolete
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the Molex 0022283321 is determined by strict alignment of the following electrical and mechanical parameters:

  • Connector pitch and position count: 0.100" (2.54mm) spacing with 32 positions in single row configuration
  • Contact type and finish: Male pin contacts with gold-plated mating surfaces and tin-plated posts
  • Mounting and termination: Through-hole solder termination with board-to-board or cable style
  • Shrouding configuration: Shrouded design with 1 wall
  • Insulation material: Polyamide (PA) nylon, glass-filled construction
  • Compliance and certifications: UL94 V-0 flammability rating, RoHS compliance, and MSL 1 rating

The Molex 0022280321 qualifies as a direct substitute based on matching all critical parameters while offering active product status and enhanced operational specifications.

Parameter Comparison

Parameter 0022283321 (Main Part) 0022280321 (Substitute)
Manufacturer Molex Molex
Series KK254, 42225 KK254, 42227
Connector Type Header, Breakaway Header, Breakaway
Contact Type Male Pin Male Pin
Number of Positions 32 32
Number of Rows 1 1
Pitch - Mating 0.100" (2.54mm) 0.100" (2.54mm)
Mounting Type Through Hole Through Hole
Shrouding Shrouded - 1 Wall Shrouded - 1 Wall
Contact Length - Mating 0.295" (7.49mm) 0.295" (7.49mm)
Contact Length - Post 0.120" (3.05mm) 0.120" (3.05mm)
Overall Contact Length 0.540" (13.72mm) 0.540" (13.72mm)
Insulation Height 0.337" (8.56mm) 0.337" (8.56mm)
Contact Shape Square Square
Contact Finish - Mating Gold Gold
Contact Finish Thickness - Mating 15.0µin (0.38µm) 15.0µin (0.38µm)
Contact Finish - Post Tin Tin
Insulation Material Polyamide (PA), Nylon, Glass Filled Polyamide (PA), Nylon, Glass Filled
Material Flammability Rating UL94 V-0 UL94 V-0
Insulation Color Black Black
Contact Finish Thickness - Post 100.0µin (2.54µm) 100.0µin (2.54µm)
Product Status Obsolete Active
RoHS Status ROHS3 Compliant RoHS Compliant
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited)
Operating Temperature Not specified -40°C ~ 105°C
Voltage Rating Not specified 600VAC/DC
Fastening Type Push-Pull Friction Lock

Engineering Selection Recommendations

The Molex 0022280321 is the recommended substitute for the obsolete Molex 0022283321. Both connectors maintain identical mechanical and electrical interface specifications, ensuring direct compatibility in existing designs. The substitute part offers the advantage of active product status, providing assured long-term availability and supply chain continuity.

The 0022280321 includes specified operating temperature range (-40°C ~ 105°C) and voltage rating (600VAC/DC), which were not documented for the original part. These specifications align with standard KK254 series performance parameters. The fastening mechanism differs (Friction Lock versus Push-Pull), but this represents an enhancement in retention capability without affecting mating interface compatibility.

Both parts maintain identical RoHS compliance status and MSL 1 moisture sensitivity rating, suitable for automotive, medical, telecommunications, and general purpose applications. The substitute part's active status makes it the appropriate selection for new designs and ongoing production requirements.

Frequently Asked Questions (FAQ)

Q: Are the 0022283321 and 0022280321 mechanically interchangeable?

A: Yes. Both connectors share identical pitch (0.100" / 2.54mm), position count (32), contact geometry, insulation height (0.337"), and overall dimensions. They are direct mechanical substitutes.

Q: What is the difference in fastening type between these parts?

A: The original part uses Push-Pull fastening, while the substitute uses Friction Lock. Both mechanisms secure the mated connection; Friction Lock provides enhanced retention through mechanical interference rather than push-pull engagement.

Q: Can the 0022280321 be used in applications originally designed for the 0022283321?

A: Yes. The substitute part maintains all critical electrical and mechanical parameters required for compatibility. The active product status of the 0022280321 makes it suitable for both replacement and new design applications.

Q: Are there compliance differences between these parts?

A: Both parts are RoHS compliant and carry UL94 V-0 flammability rating. The substitute part specifies operating temperature (-40°C ~ 105°C) and voltage rating (600VAC/DC), which represent standard performance for this connector series.

Q: What is the inventory status of these parts?

A: The original 0022283321 (obsolete) has 953 pieces in stock. The substitute 0022280321 (active) has 736 pieces in stock, with ongoing availability through active product status.

Q: Are contact finishes identical between these connectors?

A: Yes. Both parts feature gold-plated mating surfaces (15.0µin / 0.38µm thickness) and tin-plated posts (100.0µin / 2.54µm thickness), ensuring equivalent electrical performance and corrosion resistance.

Request Quote (Ships tomorrow)