Phoenix Contact 1955921 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1955921 is a 9-position terminal block header with male pins, shrouded on 4 sides, designed for vertical through-hole mounting with 0.200" (5.08mm) pitch spacing. This component is classified as active product status and is RoHS compliant. Alternative equivalent parts may be required due to inventory constraints, regional availability, or specific application requirements where substitute electrical and mechanical parameters remain within acceptable tolerances.

Substiute Parts

1955921

Phoenix ContactIn Stock: 9561955921 Datasheet

Current PartRFQ

796642-9

TE Connectivity AMP ConnectorsIn Stock: 955796642-9 Datasheet

SimilarRFQ

EDSTLZ955/9

On Shore Technology Inc.In Stock: 1334EDSTLZ955/9 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 1955921 is determined by the following critical parameters:

Primary Matching Criteria:

• 9-position configuration
• 0.200" (5.08mm) pitch spacing (or equivalent metric 5.00mm within tolerance)
• Vertical through-hole mounting orientation
• Male pin header with 4-side shrouding
• Solder termination capability
• Minimum voltage rating of 300 V (UL standard)
• Minimum current rating of 10 A (UL standard)
• RoHS compliance status
• Active product status

Acceptable Variations:

• Housing material composition (LCP, Polyamide PA66, Polyamide PA)
• Contact tail length and insulation height (mechanical fit dependent on PCB design)
• Operating temperature range (provided minimum operational capability is maintained)
• Contact mating finish (Tin acceptable across all variants)

The substitute parts listed below meet these criteria within engineering tolerance for direct functional replacement in applications requiring 9-position terminal block headers with the specified electrical and mechanical characteristics.

Parameter Comparison

Engineering Selection Recommendations

Phoenix Contact 1955921 (Primary Component) Select this part when original specification compliance is required. Active product status ensures continued availability and manufacturer support. RoHS compliance and UL94 V-0 flammability rating are explicitly certified. IEC current rating of 12A per position exceeds UL specification, providing additional margin for high-current applications.

TE Connectivity 796642-9 (Substitute) This part is suitable for applications where the 0.197" (5.00mm) pitch tolerance is acceptable within PCB layout constraints. UL current rating of 15A exceeds the primary component specification. Active product status and RoHS compliance are confirmed. Polyamide housing material maintains UL94 V-0 flammability rating. Contact tail length of 0.138" (4.60mm) requires verification against PCB through-hole depth specifications.

On Shore Technology EDSTLZ955/9 (Substitute) This part matches the 0.200" (5.08mm) pitch specification exactly. ROHS3 compliance status is confirmed. Active product status is maintained. Operating temperature range of -30°C to 105°C is specified. Contact tail length of 0.154" (3.90mm) and insulation height of 0.154" (3.90mm) require PCB design verification. Material flammability rating and IEC current specifications are not provided; verification with manufacturer is recommended for applications requiring explicit UL94 V-0 certification.

Frequently Asked Questions (FAQ)

Q: Can TE Connectivity 796642-9 be used as a direct replacement for Phoenix Contact 1955921?

A: The TE Connectivity 796642-9 is functionally equivalent for 9-position terminal block header applications. The pitch difference of 0.003" (0.08mm) between 5.08mm and 5.00mm is within standard PCB manufacturing tolerance. Both parts feature identical insulation height (0.472" / 12.00mm), male pin configuration, 4-side shrouding, and solder termination. Verify contact tail length compatibility with your PCB through-hole specifications before implementation.

Q: What is the primary difference between the On Shore Technology EDSTLZ955/9 and the Phoenix Contact 1955921?

A: Both parts share identical 0.200" (5.08mm) pitch spacing and vertical through-hole orientation. The primary mechanical difference is contact tail length: Phoenix Contact provides 0.102" (2.60mm) while On Shore Technology provides 0.154" (3.90mm). The insulation height also differs significantly: Phoenix Contact is 0.472" (12.00mm) versus On Shore Technology at 0.154" (3.90mm). These dimensional variations require PCB design verification for proper fit and solder joint formation.

Q: Are all three parts RoHS compliant?

A: Yes. Phoenix Contact 1955921 and TE Connectivity 796642-9 are RoHS Compliant. On Shore Technology EDSTLZ955/9 is ROHS3 Compliant. All three parts meet RoHS requirements for lead-free construction and hazardous substance restrictions.

Q: Which substitute part has the highest current rating?

A: TE Connectivity 796642-9 has a UL current rating of 15A per position, exceeding both the Phoenix Contact 1955921 (10A UL / 12A IEC) and On Shore Technology EDSTLZ955/9 (not specified). For applications requiring maximum current capacity, TE Connectivity 796642-9 provides additional margin.

Q: Can I use these parts interchangeably in high-temperature applications?

A: Operating temperature specifications vary. Phoenix Contact 1955921 does not specify an operating temperature range. TE Connectivity 796642-9 operates from -40°C to 110°C. On Shore Technology EDSTLZ955/9 operates from -30°C to 105°C. Verify your application's temperature requirements against the specific part's rated range before selection.

Q: What should I verify before implementing a substitute part?

A: Verify the following before implementation: (1) PCB through-hole depth compatibility with contact tail length; (2) PCB layout spacing tolerance acceptance for pitch variations; (3) Insulation height clearance above PCB surface; (4) Operating temperature range requirements; (5) Current and voltage requirements within part ratings; (6) Flammability certification requirements (UL94 V-0 or equivalent).