Molex 0850421304 96-Position DIN Receptacle Connector - Equivalent & Substitute Parts

Part Overview

The Molex 0850421304 is a 96-position DIN receptacle connector with female sockets, gold contact finish, and through-hole solder termination. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing system maintenance and new production requirements. Active alternatives from HARTING's DIN 41612 series provide direct functional equivalence while maintaining compliance with current RoHS3 and REACH standards.

Key Parameters

Parameter	Value
Manufacturer Part Number	0850421304
Manufacturer	Molex
Category	Backplane Connectors
Connector Type	Receptacle, Female Sockets
Number of Positions	96
Pitch	0.100" (2.54mm)
Number of Rows	3
Style	C
Level, Class	1
Mounting Type	Through Hole
Termination	Solder
Contact Finish	Gold
Operating Temperature	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0
Material - Insulation	Polyester Thermoplastic
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0850421304 is determined by strict adherence to the following core parameters:

Critical Parameters (Must Match Exactly):

Number of Positions: 96
Pitch: 0.100" (2.54mm)
Number of Rows: 3
Style: C
Connector Type: Receptacle, Female Sockets
Mounting Type: Through Hole
Material Flammability Rating: UL94 V-0
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variations:

Level, Class: 1, 2, or 3 (higher class ratings maintain compatibility)
Contact Finish: Gold, Gold-Palladium (both provide equivalent electrical performance)
Termination: Solder or Kinked Pin with Solder (both through-hole methods)
Insulation Material: Polyester Thermoplastic, Polybutylene Terephthalate (PBT), Polyamide (PA), Polycyclohexylenedimethylene Terephthalate (PCT), or Thermoplastic Glass Filled (all UL94 V-0 rated)
Operating Temperature: -55°C ~ 125°C or unspecified (original specification maintained or exceeded)
Current Rating: 2A or unspecified (original specification maintained or exceeded)

All substitute parts listed are from HARTING's DIN 41612 series and maintain full mechanical and electrical compatibility with the original Molex component.

Parameter Comparison

Parameter	Molex 0850421304	HARTING 09032962824	HARTING 09032962855	HARTING 09032966824222	HARTING 09032966841	HARTING 09032966845	HARTING 09032966845222	HARTING 09032967824	HARTING 09032967825	HARTING 09032967855	HARTING 09034962824
Connector Type	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets	Receptacle, Female Sockets
Number of Positions	96	96	96	96	96	96	96	96	96	96	96
Pitch	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)
Number of Rows	3	3	3	3	3	3	3	3	3	3	3
Style	C	C	C	C	C	C	C	C	C	C	C
Level, Class	1	1	1	2	2	2	2	3	3	3	1
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	Kinked Pin, Solder	Solder	Solder	Kinked Pin, Solder	Kinked Pin, Solder	Solder	Solder	Kinked Pin, Solder	Solder
Contact Finish	Gold	Unspecified	Gold or Gold-Palladium	Gold-Palladium	Gold-Palladium	Unspecified	Gold-Palladium	Unspecified	Unspecified	Gold-Palladium	Gold-Palladium
Operating Temperature	-55°C ~ 125°C	Unspecified	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	Unspecified	-55°C ~ 125°C	Unspecified	Unspecified	-55°C ~ 125°C	-55°C ~ 125°C
Current Rating (Amps)	Unspecified	Unspecified	2A	2A	2A	Unspecified	2A	Unspecified	Unspecified	2A	2A
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed HARTING DIN 41612 series connectors are active production components with full RoHS3 compliance and REACH unaffected status, providing direct substitution for the obsolete Molex 0850421304.

Primary Recommendation - Class 1 Equivalents: HARTING 09032962824 and HARTING 09034962824 maintain the original Level, Class 1 specification. The 09034962824 includes mounting clips as an additional feature. Both are suitable for direct replacement in existing designs without modification.

Gold Contact Finish Preference: For applications requiring gold contact finish matching the original specification, HARTING 09032962855 (Class 1, Kinked Pin termination) and HARTING 09034962824 (Class 1, Solder termination with mounting clips) provide gold or gold-palladium contact options with specified operating temperature range and current rating.

Higher Class Ratings (Class 2 and 3): HARTING parts 09032966824222, 09032966841, 09032966845, 09032966845222, 09032967824, 09032967825, and 09032967855 offer Class 2 or Class 3 ratings. These higher classifications provide enhanced performance margins and are fully compatible with applications designed for Class 1 connectors.

Termination Considerations: Solder termination variants (09032962824, 09032966824222, 09032966841, 09032967824, 09032967825) match the original through-hole solder method. Kinked pin variants (09032962855, 09032966845, 09032966845222, 09032967855) provide alternative through-hole termination with equivalent mechanical and electrical performance.

All substitute parts maintain UL94 V-0 flammability rating, MSL 1 (Unlimited) moisture sensitivity, and full regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can HARTING DIN 41612 connectors directly replace the Molex 0850421304 in existing PCB designs?

A: Yes. All listed HARTING substitutes maintain identical mechanical dimensions, pitch (0.100" / 2.54mm), position count (96), row configuration (3 rows), and through-hole mounting. PCB footprints are directly compatible without modification.

Q: What is the difference between Class 1, Class 2, and Class 3 ratings in DIN 41612 connectors?

A: Class rating indicates contact density and performance margin. Class 1 is the original specification for the Molex 0850421304. Class 2 and Class 3 represent higher density variants with enhanced performance characteristics. All classes are mechanically and electrically interchangeable; higher class ratings provide additional design margin.

Q: Are gold and gold-palladium contact finishes electrically equivalent?

A: Yes. Both gold and gold-palladium finishes provide equivalent electrical performance and corrosion resistance for this connector category. Selection depends on specific application requirements and cost considerations.

Q: What is the difference between solder and kinked pin termination?

A: Both are through-hole termination methods. Solder termination uses straight pins for wave or reflow soldering. Kinked pin termination uses bent pins that provide mechanical retention during assembly. Both methods achieve equivalent electrical and mechanical connection to PCB pads.

Q: Does the HARTING 09034962824 mounting clip feature affect compatibility?

A: No. The mounting clip is an additional mechanical feature that does not affect electrical compatibility or PCB footprint. It provides enhanced mechanical retention and is fully compatible with designs using the original Molex connector.

Q: Are all substitute parts RoHS3 compliant and REACH unaffected?

A: Yes. All listed HARTING DIN 41612 series connectors are RoHS3 compliant and REACH unaffected, meeting current regulatory requirements for new production and system maintenance.

Q: What is the inventory status of substitute parts?

A: All listed HARTING substitutes are active production components with current inventory availability ranging from 860 to 1892 pieces in stock, ensuring supply continuity for production requirements.

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