Phoenix Contact 1915796 Terminal Block Header - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1915796 is a 24-position terminal block header with male pins, shrouded on four sides, designed for 0.197" (5.00mm) pitch vertical through-hole mounting. This component is classified as obsolete, making identification of equivalent substitute parts essential for ongoing system maintenance and new design implementations. The part operates at 12A (IEC) / 12A (UL) and 320V (IEC) / 300V (UL), with press-fit termination and UL94 V-0 flammability rating.

Substiute Parts

1915796

Phoenix ContactIn Stock: 7641915796 Datasheet

Current PartRFQ

1755723

Phoenix ContactIn Stock: 10921755723 Datasheet

SimilarRFQ

1837242

Phoenix ContactIn Stock: 11231837242 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Phoenix Contact 1915796 terminal block header is determined by strict alignment of the following electrical and mechanical parameters:

• Position Count & Pitch: All substitutes must maintain 24 positions at 0.197" (5.00mm) pitch to ensure mechanical compatibility with existing mating connectors and PCB layouts.
• Header Type & Orientation: Substitutes must be male pin headers with four-side shrouding in vertical orientation to match form factor and mounting requirements.
• Mounting Method: Through-hole mounting is required; substitutes may differ in termination style (press-fit vs. solder) provided the through-hole interface remains compatible.
• Electrical Ratings: Substitutes must meet or exceed the IEC and UL current and voltage specifications (12A / 320V IEC minimum; 12A / 300V UL minimum).
• Flammability Compliance: UL94 V-0 rating is mandatory for safety-critical applications.

The two identified substitutes (1755723 and 1837242) satisfy these core substitution criteria while differing in termination style, housing material, and color.

Parameter Comparison

Engineering Selection Recommendations

Phoenix Contact 1755723 is the primary substitute for the 1915796. It maintains identical mechanical dimensions (24 positions, 5.00mm pitch, 3.90mm contact tail length) and electrical ratings (12A / 400V IEC; 12A / 300V UL). The transition from press-fit to solder termination requires PCB design modification but provides equivalent electrical performance. Housing material changes from PBT to polyamide (PA/nylon), and the part carries active product status with RoHS3 compliance and MSL 1 rating, supporting long-term supply chain availability.

Phoenix Contact 1837242 serves as an alternative substitute with enhanced UL current rating (16A vs. 12A) and active product status. The contact tail length is reduced to 0.079" (2.00mm), requiring PCB layout adjustment. Housing material is liquid crystal polymer (LCP), and operating temperature range is specified (-40°C to 100°C). This part is suitable for applications requiring higher current capacity or improved thermal performance.

Both substitutes are manufactured by Phoenix Contact, maintain the COMBICON family compatibility, and satisfy UL94 V-0 flammability requirements. Selection between 1755723 and 1837242 depends on PCB design constraints (contact tail length), current requirements, and thermal operating conditions.

Frequently Asked Questions (FAQ)

Q: Can the 1915796 be directly replaced with 1755723 or 1837242 without PCB modification?

A: Mechanical compatibility is maintained for position count and pitch (24 positions at 5.00mm). However, termination style differs: the 1915796 uses press-fit termination, while both substitutes use solder termination. PCB pad design must be modified accordingly. Additionally, 1837242 has a shorter contact tail (0.079" vs. 0.154"), which may require PCB layout adjustment.

Q: Are the electrical ratings of the substitutes sufficient for the original application?

A: Both substitutes meet or exceed the original electrical specifications. The 1755723 matches the 1915796 at 12A / 320V (IEC) and 12A / 300V (UL). The 1837242 provides enhanced ratings at 12A / 320V (IEC) and 16A / 300V (UL), making it suitable for higher-current applications.

Q: What is the impact of housing material differences?

A: The 1915796 uses polybutylene terephthalate (PBT), while 1755723 uses polyamide (PA/nylon) and 1837242 uses liquid crystal polymer (LCP). All three materials maintain UL94 V-0 flammability compliance. Material selection affects thermal performance, moisture absorption, and mechanical rigidity. LCP (1837242) offers superior thermal and dimensional stability.

Q: Why is the 1915796 listed as obsolete?

A: Obsolete status indicates the part is no longer manufactured by Phoenix Contact. The active substitutes (1755723 and 1837242) represent current production alternatives within the COMBICON terminal block family.

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

A: All three parts carry UL94 V-0 flammability rating. The 1755723 includes RoHS3 compliance and MSL 1 rating. The 1837242 specifies operating temperature range (-40°C to 100°C) and MSL 1 rating. Compliance documentation should be reviewed for specific application requirements.

Q: What is the difference in contact tail length between 1837242 and the other parts?

A: The 1837242 has a contact tail length of 0.079" (2.00mm), compared to 0.154" (3.90mm) for both the 1915796 and 1755723. Shorter tail length reduces PCB penetration depth and may affect solder joint formation. PCB design must accommodate this dimensional difference.