Molex 0022284337 Rectangular Connector Header – Equivalent & Substitute Parts

Part Overview

The Molex 0022284337 is a through-hole rectangular connector header with 33 positions at 0.100" (2.54mm) pitch, designed for board-to-board or cable applications. This part is discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications. The connector features a breakaway design with unshrouded construction, solder termination, and gold-plated mating contacts suitable for general purpose, automotive, medical, and telecommunications applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	0022284337
Manufacturer	Molex
Category	Rectangular Connectors
Connector Type	Header, Breakaway
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	33
Number of Rows	1
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Finish - Mating	Gold
Insulation Material	Polyamide (PA), Nylon, Glass Filled
Material Flammability Rating	UL94 V-0
Insulation Color	Black
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Discontinued at DiGi Electronics

Substitute Part Grouping Explanation

Substitution for the Molex 0022284337 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Pitch - Mating: 0.100" (2.54mm) – exact match required
Number of Positions: 33 – exact match required
Number of Rows: 1 – exact match required
Contact Type: Male Pin – exact match required
Mounting Type: Through Hole – exact match required
Termination: Solder – exact match required
Fastening Type: Push-Pull – exact match required
Insulation Color: Black – exact match required
Material Flammability Rating: UL94 V-0 – exact match required

Acceptable Variation Parameters:

Contact Finish - Mating: Gold or Tin-Lead (both provide adequate electrical conductivity and corrosion resistance)
Insulation Material: Polyamide, Polybutylene Terephthalate (PBT), Polycyclohexylenedimethylene Terephthalate (PCT), or Thermoplastic (all meet mechanical and thermal requirements)
Contact Length - Mating: Minor variations (0.268" to 0.320") acceptable within board-to-board spacing constraints
Contact Length - Post: Minor variations (0.120" to 0.417") acceptable for solder joint formation
Overall Contact Length: Variations acceptable provided mounting and mating clearances are maintained
Insulation Height: Variations acceptable (0.090" to 0.335") provided board spacing accommodates the connector
Operating Temperature: Ranges from -55°C to 125°C acceptable for general purpose applications
Current Rating: Variations acceptable (2A to 3A) for standard signal applications

All substitute parts listed maintain UL94 V-0 flammability rating and are available in active product status with current inventory.

Parameter Comparison

Parameter	Molex 0022284337	3M 2333-6211-TG	3M 929400-01-33-RK	3M 929450-01-33-EU	3M 929450-01-33-I	3M 961133-6804-AR	Samtec BHS-133-T-B	Samtec TSW-133-16-T-S	Samtec MTSW-133-10-L-S-313	Samtec MTSW-133-10-T-S-315
Manufacturer	Molex	3M	3M	3M	3M	3M	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.
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)
Number of Positions	33	33	33	33	33	33	33	33	33	33
Number of Rows	1	1	1	1	1	1	1	1	1	1
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Mounting Type	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
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Finish - Mating	Gold	Gold	Tin-Lead	Gold	Gold	Gold	Tin	Tin	Gold	Tin
Contact Length - Mating	0.320" (8.13mm)	0.318" (8.08mm)	0.295" (7.49mm)	0.295" (7.49mm)	0.295" (7.49mm)	0.268" (6.80mm)	0.125" (3.18mm)	0.320" (8.13mm)	0.313" (7.95mm)	0.315" (8.00mm)
Contact Length - Post	0.120" (3.05mm)	0.120" (3.05mm)	0.130" (3.30mm)	0.130" (3.30mm)	0.130" (3.30mm)	0.130" (3.30mm)	0.125" (3.18mm)	0.310" (7.87mm)	0.417" (10.59mm)	0.415" (10.54mm)
Overall Contact Length	0.530" (13.46mm)	0.538" (13.67mm)	0.535" (14.69mm)	0.535" (14.69mm)	0.535" (14.69mm)	0.496" (12.60mm)	0.585" (14.86mm)	0.730" (18.54mm)	0.830" (21.08mm)	0.830" (21.08mm)
Insulation Height	0.090" (2.29mm)	0.100" (2.54mm)	0.110" (2.79mm)	0.110" (2.79mm)	0.110" (2.79mm)	0.098" (2.50mm)	0.335" (8.51mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Insulation Material	Polyamide (PA), Nylon, Glass Filled	Thermoplastic, Glass Filled	Polybutylene Terephthalate (PBT), Polyester, Glass Filled	Polycyclohexylenedimethylene Terephthalate (PCT)	Polybutylene Terephthalate (PBT), Polyester, Glass Filled	Thermoplastic	Liquid Crystal Polymer (LCP), Glass Filled	Polybutylene Terephthalate (PBT)	Polyester, Glass Filled	Polyester, Glass Filled
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	Not specified	UL94 V-0	UL94 V-0	UL94 V-0
Insulation Color	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black
Operating Temperature	Not specified	-55°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-25°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 105°C
Current Rating (Amps)	Not specified	3A	2.5A	2.5A	2.5A	2A	Not specified	Not specified	3A	3A
RoHS Status	ROHS3 Compliant	Not specified	RoHS non-compliant	RoHS Compliant	Not specified	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Not Applicable	1 (Unlimited)	Not Applicable	1 (Unlimited)	Not specified	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Discontinued at DiGi Electronics	Active	Active	Active	Active	Active	Active	Active	Active	Active
Inventory Availability	1178 Pcs	781 Pcs	956 Pcs	685 Pcs	635 Pcs	629 Pcs	778 Pcs	820 Pcs	687 Pcs	865 Pcs

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

The 3M 929400-01-33-RK and 3M 929450-01-33-EU are the most direct substitutes for the Molex 0022284337. Both maintain the critical 33-position, 0.100" pitch configuration with identical row count and through-hole solder termination. The 929400-01-33-RK features tin contact finish with RoHS compliance and operates across -40°C to 105°C. The 929450-01-33-EU provides gold contact finish with RoHS compliance and identical operating range. Both are in active production status with substantial inventory availability.

Secondary Substitutes (Acceptable with Board Layout Verification):

The 3M 2333-6211-TG (3M 2300 Series) and 3M 929450-01-33-I provide gold contact finish and active product status. The 2333-6211-TG operates to 105°C with 3A current rating. The 929450-01-33-I operates to 105°C with 2.5A current rating. Both require verification of insulation height compatibility with existing board layouts due to minor dimensional variations.

Extended Substitutes (Specialized Applications):

Samtec TSW-133-16-T-S matches the original contact length for mating (0.320") and provides extended post length (0.310") suitable for thicker PCB assemblies. Operating range extends to 105°C with RoHS3 compliance. The Samtec MTSW series (MTSW-133-10-L-S-313 and MTSW-133-10-T-S-315) offers cuttable connector design with extended post lengths (0.415" to 0.417") for applications requiring custom breakaway configurations. These operate to 125°C with 3A current rating and RoHS3 compliance.

Compliance Considerations:

For applications requiring RoHS3 compliance, select from: 3M 929450-01-33-EU, 3M 929450-01-33-I, 3M 961133-6804-AR, Samtec BHS-133-T-B, Samtec TSW-133-16-T-S, Samtec MTSW-133-10-L-S-313, or Samtec MTSW-133-10-T-S-315. The 3M 929400-01-33 is RoHS non-compliant and should not be used in regulated applications.

Contact Finish Selection:

Gold-plated mating contacts (Molex 0022284337, 3M 2333-6211-TG, 3M 929450-01-33-EU, 3M 929450-01-33-I, 3M 961133-6804-AR, Samtec MTSW-133-10-L-S-313) provide superior corrosion resistance for long-term storage and harsh environments. Tin-plated alternatives (3M 929400-01-33-RK, Samtec TSW-133-16-T-S, Samtec MTSW-133-10-T-S-315) are suitable for standard applications with regular use cycles.

Frequently Asked Questions (FAQ)

Q: Can I substitute the Molex 0022284337 with any of the listed 3M or Samtec alternatives?

A: All listed substitutes maintain the critical parameters: 33 positions, 0.100" (2.54mm) pitch, single row, male pin contacts, through-hole solder termination, and push-pull fastening. However, verify board layout compatibility for insulation height and overall contact length, as minor dimensional variations exist. For RoHS-regulated applications, exclude the 3M 929400-01-33 (RoHS non-compliant).

Q: What is the difference between gold and tin contact finishes?

A: Gold-plated mating contacts provide superior corrosion resistance and are recommended for applications with extended storage periods or exposure to moisture and corrosive environments. Tin-plated contacts are suitable for standard applications with regular use cycles and provide adequate electrical conductivity. Both finishes meet UL94 V-0 flammability requirements.

Q: Are the Samtec MTSW series connectors compatible with standard 33-position 0.100" pitch receptacles?

A: Yes. The Samtec MTSW series maintains the 0.100" (2.54mm) pitch and 33-position configuration. The primary difference is the cuttable design and extended post length (0.415" to 0.417"), which accommodates thicker PCB assemblies. Mating contact length remains within acceptable range (0.313" to 0.315") for standard receptacle compatibility.

Q: What is the significance of the Moisture Sensitivity Level (MSL) rating?

A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity and requires no special handling or storage conditions. Components rated MSL 1 can be stored at room temperature and humidity without degradation. The Molex 0022284337 and most listed substitutes carry MSL 1 rating, except certain 3M 929 series variants which are rated "Not Applicable."

Q: Can I use the Samtec BHS-133-T-B as a direct replacement?

A: The Samtec BHS-133-T-B maintains the 33-position, 0.100" pitch configuration but features circular contact shape (versus square) and significantly higher insulation height (0.335" versus 0.090"). This makes it suitable only for applications where board spacing permits the increased height. Verify mechanical clearance before substitution.

Q: Which substitute offers the best temperature performance?

A: The Samtec BHS-133-T-B and Samtec MTSW-133-10-L-S-313 both operate to 125°C, providing the highest temperature rating among listed substitutes. The Molex 0022284337 does not specify operating temperature. For applications requiring extended temperature range, these Samtec options are preferred.

Q: Are all substitutes available in bulk packaging?

A: Most substitutes are available in bulk packaging. The 3M 929450-01-33-EU and Samtec MTSW series do not specify packaging type in the provided data. Contact the supplier for packaging options if bulk quantities are required for production assembly.

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