Molex 0395354512 Terminal Block Header — Equivalent & Substitute Parts

Part Overview

The Molex 0395354512 is a 12-position terminal block header with male pins, shrouded on four sides, featuring 0.200" (5.08mm) pitch vertical through-hole mounting. This component is part of the Eurostyle ESE 39535 series and is rated for 15 A at 300 V (UL). The part is currently obsolete, making equivalent substitutes necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	0395354512
Manufacturer	Molex
Number of Positions	12
Pitch	0.200" (5.08mm)
Header Orientation	Vertical
Type	Header, Male Pins, Shrouded (4 Side)
Termination Style	Solder
Mounting Type	Through Hole
Current Rating (UL)	15 A
Voltage Rating (UL)	300 V
Operating Temperature	-40°C ~ 105°C
Contact Mating Finish	Gold
Housing Material	Polyamide (PA46), Nylon 4/6
Contact Tail Length	0.150" (3.81mm)
Insulation Height	0.472" (12.00mm)
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment with the following critical parameters:

Pitch: 0.200" (5.08mm) — exact match required for PCB footprint compatibility
Number of Positions: 12 — functional requirement
Header Type: Male pins, shrouded (4 side) — mechanical and electrical interface requirement
Termination Style: Solder — assembly process compatibility
Mounting Type: Through hole — PCB mounting requirement
Voltage Rating (UL): Minimum 300 V — electrical safety requirement
Current Rating (UL): Minimum 15 A — electrical performance requirement
Operating Temperature Range: Must encompass or exceed -40°C ~ 105°C
Material Flammability Rating: UL94 V-0 — safety compliance requirement

Substitutes are grouped into two categories:

Category A — Direct Molex Alternatives (Same Series, Active Status) Parts 0395350012 and 0395350512 maintain the Eurostyle ESE 39535 series designation and are currently active. These offer the highest design continuity with minor parameter variations in contact finish and housing material composition.

Category B — Cross-Manufacturer Alternatives (Active Status, Different Series) Parts from TE Connectivity, Phoenix Contact, and On-Shore Technology meet all critical electrical and mechanical parameters. These represent functionally equivalent solutions from established connector manufacturers.

Parameter Comparison

Parameter	0395354512 (Main)	0395350012	0395350512	1-796867-2	1777170	1792834	1809364	1924622	1955840	OSTOQ127550
Manufacturer	Molex	Molex	Molex	TE Connectivity	Phoenix Contact	Phoenix Contact	Phoenix Contact	Phoenix Contact	Phoenix Contact	On-Shore Technology
Series	Eurostyle ESE 39535	Eurostyle ESE 39535	Eurostyle ESE 39535	Buchanan	COMBICON MSTBV	COMBICON CCV	COMBICON MSTBVA	COMBICON MSTBV	COMBICON CCV	OSTOQ
Number of Positions	12	12	12	12	12	12	12	12	12	12
Pitch	0.200" (5.08mm)	0.200" (5.08mm)	0.200" (5.08mm)	0.200" (5.08mm)	0.200" (5.08mm)	0.200" (5.08mm)	0.200" (5.08mm)	0.200" (5.08mm)	0.200" (5.08mm)	0.197" (5.00mm)
Header Orientation	Vertical	Vertical	Vertical	Vertical	Vertical	Vertical	Vertical	Vertical	Vertical	Vertical
Type	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)	Header, Male Pins, Shrouded (4 Side)
Termination Style	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Solder
Current Rating (UL)	15 A	15 A	15 A	15 A	12 A	10 A	15 A	16 A	10 A	—
Voltage Rating (UL)	300 V	300 V	300 V	300 V	300 V	300 V	300 V	300 V	300 V	300 V
Operating Temperature	-40°C ~ 105°C	-40°C ~ 115°C	-40°C ~ 115°C	-40°C ~ 110°C	—	—	—	—	—	-30°C ~ 105°C
Contact Mating Finish	Gold	Tin	Gold	Tin	Tin	Tin	Tin	Tin	Tin	Tin
Housing Material	Polyamide (PA46), Nylon 4/6	Polyamide (PA66), Nylon 6/6	Polyamide (PA66), Nylon 6/6	Polyamide (PA66), Nylon 6/6	Polybutylene Terephthalate (PBT)	Liquid Crystal Polymer (LCP)	Polybutylene Terephthalate (PBT)	Polyamide (PA), Nylon	Liquid Crystal Polymer (LCP)	Thermoplastic
Contact Tail Length	0.150" (3.81mm)	0.150" (3.81mm)	0.150" (3.81mm)	0.138" (4.60mm)	0.154" (3.90mm)	0.102" (2.60mm)	0.154" (3.90mm)	0.154" (3.90mm)	0.102" (2.60mm)	0.157" (4.00mm)
Insulation Height	0.472" (12.00mm)	0.472" (12.00mm)	0.472" (12.00mm)	0.472" (12.00mm)	0.472" (12.00mm)	0.472" (12.00mm)	0.472" (12.00mm)	0.472" (12.00mm)	0.472" (12.00mm)	0.157" (4.00mm)
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
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Recommendation: Molex 0395350512

The Molex 0395350512 is the preferred direct substitute. It maintains the Eurostyle ESE 39535 series lineage, ensuring design continuity with the obsolete 0395354512. Both parts share identical pitch (5.08mm), position count (12), termination style (solder), and electrical ratings (15 A, 300 V UL). The 0395350512 features gold contact mating finish matching the original part and is currently in active production status with 1022 units in stock. Operating temperature extends to 115°C, exceeding the original specification. Housing material differs (PA66 vs. PA46), but both meet UL94 V-0 flammability requirements and ROHS3 compliance.

Secondary Recommendation: Molex 0395350012

The Molex 0395350012 is an alternative within the same series. It matches all critical electrical and mechanical parameters with the exception of contact mating finish (tin vs. gold). This part is active and maintains full compatibility with the original design footprint and electrical performance. It offers 770 units in stock.

Cross-Manufacturer Alternatives

Phoenix Contact 1809364 (COMBICON MSTBVA series) meets all critical substitution criteria with 15 A UL current rating and 300 V voltage rating. It maintains the 12-position, 5.08mm pitch vertical through-hole configuration. Housing material is polybutylene terephthalate (PBT) with UL94 V-0 rating. Contact tail length (3.90mm) and insulation height (12.00mm) align with the original specification. RoHS compliance is confirmed.

Phoenix Contact 1924622 (COMBICON MSTBV series) exceeds the original electrical ratings with 16 A UL current and 400 V IEC voltage. It maintains full mechanical compatibility and is ROHS3 compliant with 1154 units available.

TE Connectivity 1-796867-2 (Buchanan series) provides functional equivalence with 15 A UL rating and 300 V voltage. Contact tail length is 4.60mm, which is 0.31mm shorter than the original specification. This minor dimensional difference may require PCB layout verification. The part is RoHS compliant and actively produced.

Phoenix Contact 1777170 (COMBICON MSTBV series) is available in high volume (15,300 units) with 12 A IEC current rating and 630 V IEC voltage. UL ratings are 12 A at 300 V, which meets the minimum voltage requirement but falls 3 A below the original current specification. This part is suitable for applications where IEC compliance is prioritized or where current demand does not exceed 12 A.

Not Recommended: OSTOQ127550

The On-Shore Technology OSTOQ127550 exhibits critical dimensional deviations. Pitch tolerance is 0.197" (5.00mm) versus the required 0.200" (5.08mm), representing a 0.08mm deviation per position that accumulates across 12 positions. Contact tail length (4.00mm) and insulation height (0.157") differ significantly from the original specification (3.81mm and 12.00mm respectively). These dimensional variations create incompatibility with existing PCB designs and mounting fixtures. This part is not suitable as a direct substitute.

Not Recommended: Phoenix Contact 1792834 and 1955840

Both parts feature liquid crystal polymer (LCP) housing with significantly reduced contact tail length (0.102" / 2.60mm versus 0.150" / 3.81mm). This 1.21mm reduction in tail length creates incompatibility with standard PCB through-hole patterns designed for the original part. Current ratings are also reduced (10 A UL). These parts are suitable only for new designs with modified PCB specifications.

Frequently Asked Questions (FAQ)

Q: Can I use Molex 0395350012 as a direct replacement for 0395354512?

A: Yes. Both parts are Molex Eurostyle ESE 39535 series components with identical pitch (5.08mm), position count (12), termination style (solder), and electrical ratings (15 A, 300 V UL). The primary difference is contact mating finish (tin vs. gold). The 0395350012 is currently active and maintains full mechanical and electrical compatibility. Verify that your application does not require gold plating for specific contact resistance or corrosion resistance requirements.

Q: What is the difference between the Molex and Phoenix Contact alternatives?

A: Molex 0395350512 and 0395350012 maintain the original Eurostyle ESE 39535 series designation, ensuring maximum design continuity. Phoenix Contact alternatives (1809364, 1924622, 1777170) use different series designations (COMBICON MSTBV, COMBICON MSTBVA, COMBICON CCV) but meet all critical electrical and mechanical parameters. Cross-manufacturer parts may have different supplier lead times, pricing, and availability. Verify mechanical fit with your specific PCB layout, particularly contact tail length and insulation height.

Q: Why is the OSTOQ127550 not recommended?

A: The OSTOQ127550 has a pitch of 0.197" (5.00mm) instead of the required 0.200" (5.08mm). This 0.08mm per-position deviation accumulates to approximately 0.96mm across 12 positions, creating incompatibility with PCB footprints designed for the original part. Additionally, contact tail length (4.00mm) and insulation height (0.157") differ significantly from the original specification, preventing proper seating in standard through-hole patterns.

Q: Can I use Phoenix Contact 1792834 or 1955840 as substitutes?

A: These parts are not suitable as direct replacements. Both feature contact tail length of 0.102" (2.60mm), which is 1.21mm shorter than the original 0.150" (3.81mm) specification. This dimensional difference creates incompatibility with existing PCB through-hole patterns. Current rating is also reduced to 10 A (UL). These parts are appropriate only for new designs where PCB specifications can be modified to accommodate the shorter tail length.

Q: What is the impact of contact mating finish differences (gold vs. tin)?

A: Contact mating finish affects contact resistance, corrosion resistance, and long-term reliability in specific environments. Gold plating (original 0395354512 and 0395350512) provides superior corrosion resistance and lower contact resistance, particularly in high-humidity or corrosive environments. Tin plating (0395350012 and cross-manufacturer alternatives) is suitable for standard industrial applications with adequate environmental protection. For applications requiring gold plating, select 0395350512. For standard applications, tin-plated alternatives are acceptable.

Q: Are all substitute parts RoHS compliant?

A: All listed substitutes are RoHS compliant. The original 0395354512 and Molex alternatives (0395350012, 0395350512) are ROHS3 compliant. TE Connectivity 1-796867-2 is RoHS compliant. Phoenix Contact parts (1777170, 1792834, 1809364, 1924622, 1955840) are either ROHS3 compliant or RoHS compliant. On-Shore Technology OSTOQ127550 is ROHS3 compliant. Verify specific RoHS certification requirements for your application and supply chain.

Q: What is the difference between IEC and UL electrical ratings?

A: UL ratings apply to North American applications and are specified in the parameter tables. IEC ratings apply to international applications. Some Phoenix Contact parts list both IEC and UL ratings. For North American designs, use UL ratings as the primary selection criterion. The original 0395354512 specifies 15 A at 300 V (UL). Substitutes must meet or exceed this UL rating. Phoenix Contact 1777170 has 12 A UL rating, which is below the original specification and is suitable only for applications where current demand does not exceed 12 A.

Q: Can I mix substitute parts from different manufacturers in the same design?

A: Mixing manufacturers is not recommended within a single connector assembly. Maintain consistency with a single manufacturer and part number to ensure uniform electrical performance, mechanical fit, and long-term reliability. If design changes require a different manufacturer, update all connector positions to the new part number and verify PCB layout compatibility, particularly contact tail length and insulation height.

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