Phoenix Contact 1902835 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1902835 is a 4-position terminal block header with male pins, shrouded on all four sides, featuring 0.200" (5.08mm) pitch spacing for vertical through-hole mounting. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement continuity. The part operates at 12A (IEC) / 12A (UL) and 400V (IEC) / 300V (UL), with UL94 V-0 flammability rating and RoHS compliance.

Key Parameters

Parameter	Value
Manufacturer Part Number	1902835
Manufacturer	Phoenix Contact
Category	Terminal Blocks
Type	Header, Male Pins, Shrouded (4 Side)
Number of Positions	4
Pitch	0.200" (5.08mm)
Header Orientation	Vertical
Termination Style	Solder
Mounting Type	Through Hole
Current - IEC	12A
Voltage - IEC	400V
Current - UL	12A
Voltage - UL	300V
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 1902835 is determined by the following critical parameters:

Electrical Compatibility: Current rating (IEC/UL), voltage rating (IEC/UL)
Mechanical Compatibility: Number of positions (4), pitch spacing (0.200" / 5.08mm), header orientation (vertical), shroud configuration (4-side), termination method (solder), mounting type (through hole)
Material & Safety: UL94 V-0 flammability rating, RoHS compliance status
Physical Dimensions: Contact tail length, insulation height

Substitute parts are grouped into two categories:

Category A - Direct Equivalents: Parts matching all critical electrical and mechanical parameters with active product status and current compliance certifications.

Category B - Functional Alternatives: Parts with minor parameter variations (pitch tolerance, contact tail length, housing material) that maintain electrical performance within specified ranges but may require design verification for specific applications.

Parameter Comparison

Parameter	1902835 (Main)	1955879	0395311004	0395316004	14120417001000	691311500104	OQ0454500000G
Manufacturer	Phoenix Contact	Phoenix Contact	Molex	Molex	HARTING	Würth Elektronik	Amphenol Anytek
Number of Positions	4	4	4	4	4	4	4
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)
Header Orientation	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)
Termination Style	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Current - UL	12A	10A	15A	15A	15A	20A	12A
Voltage - UL	300V	300V	300V	300V	600V	300V	300V
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
Contact Tail Length	0.146" (3.70mm)	0.102" (2.60mm)	0.130" (3.30mm)	0.130" (3.30mm)	-	0.157" (4.00mm)	0.157" (4.00mm)
Insulation Height	0.480" (12.20mm)	0.472" (12.00mm)	0.472" (12.00mm)	0.472" (12.00mm)	0.472" (12.00mm)	0.472" (12.00mm)	0.472" (12.00mm)
Housing Material	Polyamide (PA), Nylon	Liquid Crystal Polymer (LCP)	Polyamide (PA66), Nylon 6/6	Polyamide (PA66), Nylon 6/6	Polyamide (PA), Nylon, Polyphthalamide (PPA)	Polybutylene Terephthalate (PBT)	Thermoplastic Resin
Operating Temperature	-	-	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 110°C	-40°C ~ 105°C	-40°C ~ 115°C
Moisture Sensitivity Level (MSL)	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitutes (Category A - Direct Equivalents)

Phoenix Contact 1955879 is the recommended primary substitute. It maintains identical mechanical and electrical specifications with active product status, ROHS3 compliance, and improved moisture sensitivity rating (MSL 1 vs. MSL 3). The housing material change from polyamide to liquid crystal polymer (LCP) provides enhanced dimensional stability and thermal performance.

Molex 0395311004 and 0395316004 (Eurostyle ESE 39531 series) are functionally equivalent with higher current ratings (15A UL) and active product status. Both feature ROHS3 compliance and MSL 1 rating. The primary distinction is color (black vs. green) and contact tail length variation (0.130" vs. 0.146"), which may require PCB layout verification.

Secondary Substitutes (Category A - Equivalent Performance)

Würth Elektronik 691311500104 (WR-TBL Series 311) offers the highest current rating (20A UL) with active status and ROHS3 compliance. Housing material is polybutylene terephthalate (PBT) with contact tail length of 0.157" (4.00mm). REACH Affected status requires compliance verification for specific applications.

Amphenol Anytek OQ0454500000G (06-508 series) matches the original 12A UL current rating with active product status, ROHS3 compliance, and extended operating temperature range (-40°C to 115°C). Contact tail length is 0.157" (4.00mm).

HARTING 14120417001000 (har-flexicon series) provides the highest voltage rating (600V UL) with 15A current capacity, active status, and ROHS3 compliance. Operating temperature extends to 110°C.

Not Recommended

Amphenol Anytek OQ0470500000G does not qualify as a direct substitute. The pitch specification (0.197" / 5.00mm) and shroud configuration (2-side vs. 4-side) represent mechanical incompatibility with the original design.

Amphenol Anytek TJ1131520000G is not equivalent. This is an 11-position plug with female sockets, 0.150" (3.81mm) pitch, and screw termination—fundamentally different from the 4-position header with male pins and solder termination.

Frequently Asked Questions (FAQ)

Q: Can I use Phoenix Contact 1955879 as a direct replacement for 1902835?

A: Yes. The 1955879 maintains identical position count (4), pitch spacing (5.08mm), header orientation (vertical), shroud configuration (4-side), and termination method (solder). Electrical ratings are equivalent or superior. The primary difference is improved moisture sensitivity (MSL 1 vs. MSL 3) and housing material change to liquid crystal polymer. No design modifications are required.

Q: What is the significance of the contact tail length variation between substitutes?

A: Contact tail length affects solder joint depth and PCB pad design. The original 1902835 specifies 0.146" (3.70mm). Substitutes range from 0.102" to 0.157". Shorter tails (1955879 at 0.102") may require PCB pad adjustment. Longer tails (691311500104, OQ0454500000G at 0.157") provide additional solder joint material but may affect board clearance. Verify PCB layout compatibility before selection.

Q: Are all substitute parts RoHS compliant?

A: Yes. All recommended substitutes carry ROHS3 compliance certification. The original 1902835 is RoHS Compliant (RoHS 2). ROHS3 represents the current regulatory standard and is backward compatible with RoHS 2 requirements.

Q: Why is the Amphenol Anytek OQ0470500000G not recommended?

A: The OQ0470500000G has a pitch specification of 0.197" (5.00mm) instead of 0.200" (5.08mm) and features 2-side shrouding instead of 4-side. These mechanical differences prevent direct substitution. The connector will not mate properly with existing mating components designed for 5.08mm pitch and 4-side shrouded headers.

Q: What is the difference between IEC and UL current/voltage ratings?

A: IEC (International Electrotechnical Commission) and UL (Underwriters Laboratories) represent different safety certification standards. The original 1902835 is rated 12A at 400V (IEC) and 12A at 300V (UL). Substitute parts may have different ratings under each standard. For applications requiring IEC compliance, verify the IEC rating of the selected substitute. For UL-regulated applications, use the UL rating.

Q: Can I use Würth Elektronik 691311500104 if my application requires 20A capacity?

A: The 691311500104 is rated 20A (UL) and meets the mechanical requirements. However, verify that the mating connector and PCB traces are also rated for 20A operation. Component substitution requires system-level compatibility assessment. Additionally, confirm REACH compliance status for your specific application region, as this part is marked REACH Affected.

Q: What does MSL (Moisture Sensitivity Level) mean for component selection?

A: MSL indicates the component's sensitivity to moisture absorption during storage and handling. The original 1902835 is MSL 3 (168 hours maximum floor life after moisture exposure). Most substitutes are MSL 1 (unlimited floor life), which provides greater handling flexibility and reduces risk of moisture-induced failures during assembly. Lower MSL ratings are generally preferable for supply chain management.

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