Weidmüller 1776012001 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The Weidmüller 1776012001 is an 11-position terminal block header with male pins, shrouded on four sides, designed for 0.200" (5.08mm) pitch vertical through-hole mounting. This component operates at 27.5A (IEC) / 18.5A (UL) and 400V (IEC) / 300V (UL), featuring a copper alloy contact material with liquid crystal polymer housing rated UL94 V-0. The part is classified as obsolete, necessitating identification of active equivalent alternatives to maintain design continuity and ensure supply chain availability.

Substiute Parts

1776012001

WeidmüllerIn Stock: 8251776012001 Datasheet

Current PartRFQ

1838300000

WeidmüllerIn Stock: 12121838300000 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Weidmüller 1776012001 is determined by strict equivalence across the following critical parameters:

• Electrical Performance: Current rating (IEC: 27.5A, UL: 18.5A) and voltage rating (IEC: 400V, UL: 300V)
• Physical Configuration: 11 positions, 0.200" (5.08mm) pitch, vertical orientation, male pins with 4-side shrouding
• Mechanical Interface: Through-hole solder termination, copper alloy contacts, LCP glass-filled housing
• Environmental Compliance: UL94 V-0 flammability rating, RoHS compliance, operating temperature range -50°C ~ 100°C
• Contact Specifications: Tin mating finish, contact tail length, insulation height

The substitute part 1838300000 maintains functional and electrical equivalence while differing only in product status (active vs. obsolete) and contact tail length (3.20mm vs. 1.50mm), which represents a design variation within the same product family.

Parameter Comparison

Engineering Selection Recommendations

The Weidmüller 1838300000 is the direct active equivalent for the obsolete 1776012001. Both components are manufactured by Weidmüller within the Omnimate SL series and maintain identical electrical ratings, mechanical configuration, and compliance certifications. The primary distinction is product status: 1838300000 is actively manufactured and stocked, while 1776012001 is obsolete.

The contact tail length difference (1.50mm vs. 3.20mm) represents a design variation within the same product family and does not affect electrical or mechanical compatibility in standard through-hole PCB applications. This variation accommodates different PCB thickness requirements and soldering process parameters.

Both parts carry RoHS compliance and UL94 V-0 flammability certification, ensuring regulatory alignment for industrial and commercial applications. The MSL rating of 1 (Unlimited) indicates no moisture sensitivity constraints during storage or handling.

Frequently Asked Questions (FAQ)

Q: Can 1838300000 directly replace 1776012001 in existing designs?

A: Yes. Both parts are electrically and mechanically equivalent within the Omnimate SL series. The contact tail length difference accommodates standard PCB through-hole mounting without design modification.

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

A: Contact tail length (1.50mm vs. 3.20mm) affects solder joint formation and PCB hole engagement. The longer tail of 1838300000 provides increased solder fillet area and mechanical retention, suitable for standard PCB thicknesses. Design verification for specific PCB thickness is recommended during qualification.

Q: Are both parts RoHS and UL94 V-0 compliant?

A: Yes. Both 1776012001 and 1838300000 are RoHS compliant and carry UL94 V-0 flammability certification, meeting regulatory requirements for industrial applications.

Q: Why is 1776012001 listed as obsolete?

A: Product status reflects manufacturing lifecycle decisions. The active equivalent 1838300000 provides continued supply chain access with identical electrical and mechanical performance.

Q: What packaging is available for 1838300000?

A: 1838300000 is supplied in bulk packaging, with 1138 pieces currently in stock as new original inventory.

Q: Are there any compliance or certification differences between the two parts?

A: No. Both parts maintain identical REACH status (REACH Unaffected), ECCN classification (EAR99), and HTSUS code (8536.69.4040).