Weidmüller 1640830000 Equivalent & Substitute Parts

Part Overview

The Weidmüller 1640830000 is a 2-position wire-to-board terminal block with horizontal mating orientation and 0.200" (5.08mm) pitch, designed for through-hole PCB mounting. This component belongs to the Omnimate LP series and features screw-clamping wire termination with side entry capability. The part is currently classified as obsolete, necessitating identification of active equivalent models to maintain supply chain continuity and support ongoing production requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	1640830000
Manufacturer	Weidmüller
Category	Terminal Blocks
Series	Omnimate LP
Product Status	Obsolete
Positions Per Level	2
Pitch	0.200" (5.08mm)
Mating Orientation	Horizontal with Board
Current Rating	20 A
Voltage Rating	300 V
Wire Gauge	12-26 AWG
Mounting Type	Through Hole
Wire Termination	Screw - Clamping Yoke, Tension Sleeve
Operating Temperature Range	-50°C ~ 100°C
Housing Material	Polyamide (PA), Nylon
Contact Material - Plating	Copper Alloy - Tin Plated
Screw Thread	M3
Torque - Screw	0.5-0.6 Nm (4.4-5.3 Lb-In)
RoHS Status	RoHS Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the Weidmüller 1640830000 is based on electrical and mechanical parameter equivalence within the Weidmüller terminal block product family. The substitute part must satisfy the following critical parameters:

2-position configuration per level
0.200" (5.08mm) pitch spacing
Horizontal with board mating orientation
Through-hole PCB mounting
20 A current rating and 300 V voltage rating
12-26 AWG wire gauge compatibility
Screw-clamping wire termination method
M3 screw thread specification
Identical torque specification (0.5-0.6 Nm)
RoHS compliance and MSL 1 rating

The Weidmüller 1975360000 from the Omnimate LL series meets all these electrical and mechanical requirements, providing functional equivalence despite series designation differences.

Parameter Comparison

Parameter	1640830000 (Omnimate LP)	1975360000 (Omnimate LL)	Match Status
Positions Per Level	2	2	Equivalent
Pitch	0.200" (5.08mm)	0.200" (5.08mm)	Equivalent
Mating Orientation	Horizontal with Board	Horizontal with Board	Equivalent
Current Rating	20 A	20 A	Equivalent
Voltage Rating	300 V	300 V	Equivalent
Wire Gauge	12-26 AWG	12-26 AWG	Equivalent
Mounting Type	Through Hole	Through Hole	Equivalent
Wire Termination	Screw - Clamping Yoke, Tension Sleeve	Screw - Clamping Yoke, Tension Sleeve	Equivalent
Screw Thread	M3	M3	Equivalent
Torque - Screw	0.5-0.6 Nm (4.4-5.3 Lb-In)	0.5-0.6 Nm (4.4-5.3 Lb-In)	Equivalent
Housing Material	Polyamide (PA), Nylon	Polyamide (PA), Nylon	Equivalent
Contact Material - Plating	Copper Alloy - Tin Plated	Copper Alloy - Tin Plated	Equivalent
RoHS Status	RoHS Compliant	RoHS Compliant	Equivalent
MSL Rating	1 (Unlimited)	1 (Unlimited)	Equivalent
Operating Temperature Range	-50°C ~ 100°C	-50°C ~ 120°C	Substitute Exceeds
Product Status	Obsolete	Active	Substitute Active
Interlocking Features	Front, Rear, Side	Side	Substitute Reduced

Engineering Selection Recommendations

The Weidmüller 1975360000 is the direct functional equivalent for the obsolete 1640830000. Both components share identical electrical ratings (20 A, 300 V), mechanical configuration (2-position, 5.08mm pitch, through-hole), and wire termination specifications (M3 screw, 0.5-0.6 Nm torque).

The substitute part offers two advantages: active product status ensuring ongoing availability, and extended operating temperature range (-50°C to 120°C versus -100°C to 100°C). The 1975360000 maintains full RoHS compliance and MSL 1 rating, meeting all regulatory requirements of the original component.

The primary design difference is interlocking feature configuration. The original 1640830000 provides front, rear, and side interlocking, while the 1975360000 provides side interlocking only. This difference does not affect electrical or mechanical performance in standard PCB mounting applications where interlocking serves as a mechanical retention aid rather than a functional requirement.

Frequently Asked Questions (FAQ)

Q: Can the 1975360000 directly replace the 1640830000 in existing PCB designs?

A: Yes. Both components share identical pitch (5.08mm), position count (2), current/voltage ratings (20 A/300 V), wire gauge compatibility (12-26 AWG), and screw termination specifications (M3, 0.5-0.6 Nm). PCB footprints and mounting hole patterns are compatible.

Q: What is the significance of the interlocking feature difference?

A: The 1640830000 includes front, rear, and side interlocking, while the 1975360000 includes side interlocking only. In through-hole PCB mounting, interlocking provides mechanical retention during assembly. The reduced interlocking on the substitute does not compromise electrical performance or mechanical stability in standard applications.

Q: Does the extended temperature range of the 1975360000 affect compatibility?

A: No. The substitute's operating range (-50°C to 120°C) encompasses the original specification (-50°C to 100°C). Extended temperature capability provides additional design margin without introducing incompatibility.

Q: Are packaging differences between these parts significant?

A: The 1640830000 is listed with unspecified packaging, while the 1975360000 is supplied in bulk packaging. Both are new original stock. Packaging format does not affect component performance or PCB integration.

Q: What compliance certifications apply to the substitute?

A: The 1975360000 maintains RoHS compliance, MSL 1 rating, REACH unaffected status, and EAR99 ECCN classification, identical to the original component.

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