Weidmüller 1776372001 Terminal Block Header Equivalent & Substitute Parts

Part Overview

The Weidmüller 1776372001 is a 3-position vertical terminal block header with 5.08mm pitch, designed for solder termination and through-hole mounting. This component is part of the Omnimate SL series and maintains active product status. Equivalent and substitute parts are identified based on matching electrical ratings, mechanical dimensions, and functional characteristics to ensure direct interchangeability in circuit applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	1776372001
Manufacturer	Weidmüller
Series	Omnimate SL
Number of Positions	3
Pitch	0.200" (5.08mm)
Header Orientation	Vertical
Type	Header, Male Pins, Shrouded (4 Side)
Termination Style	Solder
Mounting Type	Through Hole
Current - IEC	27.5A
Voltage - IEC	400 V
Current - UL	18.5 A
Voltage - UL	300 V
Operating Temperature	-50°C ~ 100°C
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Contact Mating Finish	Tin
Housing Material	Liquid Crystal Polymer (LCP), Glass Filled
Insulation Height	0.472" (12.00mm)
Contact Tail Length	0.059" (1.50mm)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Pitch Compatibility: The 5.08mm pitch is the primary mechanical constraint. Parts with matching 5.08mm pitch maintain PCB footprint compatibility.

Electrical Ratings: Current and voltage ratings must meet or exceed application requirements. IEC and UL ratings are evaluated independently based on applicable standards.

Physical Dimensions: Insulation height and contact tail length determine mounting clearance and solder joint geometry. Matching or equivalent dimensions ensure proper assembly.

Connector Type: All substitute parts maintain the 3-position, male pin, shrouded (4-side) header configuration with vertical orientation and solder termination.

Compliance Standards: RoHS and REACH compliance status must align with regulatory requirements. Material flammability rating (UL94 V-0) is maintained across all substitutes.

Substitute parts are grouped into two categories based on pitch:

Category A - 5.08mm Pitch (Exact Match): Parts 0395355003, 1777086, and 1863770 maintain identical 5.08mm pitch and insulation height (0.472").

Category B - 5.00mm Pitch (Approximate Match): Parts 0395255003, 1776896, and 1924428 operate at 5.00mm pitch with minor dimensional variations.

Parameter Comparison

Parameter	1776372001 (Weidmüller)	0395355003 (Molex)	0395255003 (Molex)	1777086 (Phoenix Contact)	1776896 (Phoenix Contact)	1863770 (Phoenix Contact)	1924428 (Phoenix Contact)
Pitch	5.08mm	5.08mm	5.00mm	5.08mm	5.00mm	5.08mm	5.00mm
Number of Positions	3	3	3	3	3	3	3
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 - IEC	27.5A	—	—	12A	12A	12A	16A
Voltage - IEC	400 V	—	—	630 V	400 V	400 V	630 V
Current - UL	18.5 A	15 A	15 A	12 A	12 A	12 A	16 A
Voltage - UL	300 V	300 V	300 V	300 V	300 V	300 V	300 V
Operating Temperature	-50°C ~ 100°C	-40°C ~ 115°C	-40°C ~ 105°C	—	—	—	—
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Contact Mating Finish	Tin	Tin	Tin	Tin	Tin	Gold	Tin
Housing Material	LCP, Glass Filled	PA66, Nylon 6/6	PA66, Nylon 6/6	PBT	PBT	PBT	PA, Nylon
Insulation Height	0.472" (12.00mm)	0.472" (12.00mm)	0.470" (11.94mm)	0.472" (12.00mm)	0.472" (12.00mm)	0.472" (12.00mm)	0.472" (12.00mm)
Contact Tail Length	0.059" (1.50mm)	0.150" (3.81mm)	0.150" (3.81mm)	0.154" (3.90mm)	0.154" (3.90mm)	0.154" (3.90mm)	0.154" (3.90mm)
RoHS Status	RoHS Compliant	—	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Substitutes (5.08mm Pitch Category):

Part 0395355003 (Molex Eurostyle ESE 39535) is electrically compatible for applications requiring UL ratings up to 15A at 300V. The matching 5.08mm pitch and 0.472" insulation height provide identical PCB footprint compatibility. Operating temperature range extends to 115°C, exceeding the Weidmüller specification. RoHS compliance status is vendor-defined; verify against project requirements.

Part 1777086 (Phoenix Contact COMBICON MSTBV) operates at 12A IEC and 630V IEC, with UL ratings of 12A at 300V. The 5.08mm pitch and matching insulation height ensure mechanical compatibility. ROHS3 compliance and REACH unaffected status align with current regulatory standards. Contact tail length (3.90mm) differs from the original (1.50mm), requiring PCB layout verification.

Part 1863770 (Phoenix Contact COMBICON MSTBV) provides identical pitch and insulation height with gold contact mating finish. IEC ratings of 12A at 400V and UL ratings of 12A at 300V are suitable for lower-current applications. ROHS3 compliance and REACH unaffected status are confirmed. Gold finish may be specified for enhanced corrosion resistance in specific environments.

Approximate Substitutes (5.00mm Pitch Category):

Part 0395255003 (Molex Eurostyle ESE 39525) operates at 5.00mm pitch with 0.470" insulation height (0.06mm variance from original). UL ratings of 15A at 300V are acceptable for moderate-current applications. Operating temperature range of -40°C to 105°C covers most industrial environments. PCB layout adjustment is required due to pitch difference.

Part 1776896 (Phoenix Contact COMBICON MSTBV) provides 5.00mm pitch with IEC ratings of 12A at 400V. UL ratings of 12A at 300V are suitable for lower-current circuits. ROHS3 compliance is confirmed. Pitch difference necessitates PCB redesign.

Part 1924428 (Phoenix Contact COMBICON MSTBV) operates at 5.00mm pitch with IEC ratings of 16A at 630V and UL ratings of 16A at 300V. This part supports higher current capacity than most alternatives. ROHS3 compliance and REACH unaffected status are confirmed. Pitch difference requires PCB layout modification.

Selection Criteria:

For applications requiring exact PCB footprint compatibility without layout modification, select from the 5.08mm pitch category (0395355003, 1777086, 1863770).

For applications where current requirements do not exceed 12A UL, Phoenix Contact COMBICON MSTBV series parts (1777086, 1776896, 1863770, 1924428) provide ROHS3 compliance and extended voltage ratings.

For applications requiring higher current capacity (15-16A UL), Molex Eurostyle ESE series (0395255003, 0395355003) or Phoenix Contact 1924428 are suitable.

For applications in corrosive environments, part 1863770 with gold contact mating finish provides enhanced reliability.

Frequently Asked Questions (FAQ)

Q: Can I use a 5.00mm pitch part as a direct substitute for the 5.08mm pitch Weidmüller 1776372001?

A: No, without PCB layout modification. The 5.00mm pitch creates a 0.08mm spacing difference per position, resulting in cumulative misalignment. Parts 0395255003, 1776896, and 1924428 require PCB redesign. Parts 0395355003, 1777086, and 1863770 maintain the 5.08mm pitch and are mechanically compatible.

Q: What is the significance of contact tail length differences?

A: The original Weidmüller 1776372001 has a 0.059" (1.50mm) contact tail length, while most substitutes have 0.150" to 0.154" tail lengths. Longer tails provide greater solder joint engagement but require deeper PCB plating. Verify PCB design specifications before substitution.

Q: Are all substitute parts RoHS compliant?

A: Phoenix Contact parts (1777086, 1776896, 1863770, 1924428) are ROHS3 compliant. Molex parts (0395255003, 0395355003) have vendor-undefined RoHS status. Verify compliance documentation against project requirements.

Q: Which substitute part supports the highest current rating?

A: Part 1924428 (Phoenix Contact COMBICON MSTBV) provides the highest UL current rating at 16A, with IEC rating of 16A at 630V. This part operates at 5.00mm pitch and requires PCB layout adjustment.

Q: Can I substitute based on voltage rating alone?

A: No. Current rating, pitch, insulation height, and contact tail length must all be evaluated. A part with higher voltage rating but lower current capacity may not be suitable. Verify all parameters against application requirements.

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

A: IEC ratings apply to international standards and typically reflect higher voltage/current capacity. UL ratings apply to North American standards and are often more conservative. Select the rating standard applicable to your market and application.

Q: Does housing material affect substitutability?

A: Housing material affects mechanical properties and temperature performance but does not prevent substitution if electrical and dimensional parameters match. LCP (original), PA66, PBT, and PA materials all maintain UL94 V-0 flammability rating. Material selection depends on environmental exposure and mechanical stress requirements.

Q: Is the gold contact finish on part 1863770 necessary for my application?

A: Gold finish provides enhanced corrosion resistance and is specified for high-reliability or corrosive environments. For standard industrial applications, tin finish (all other parts) is adequate. Gold finish does not affect electrical performance.

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