Phoenix Contact 1981733 Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1981733 is a 16-position terminal block plug with male pins, 5mm pitch, designed for free-hanging in-line mounting applications. This component features screwless push-in spring termination and supports wire gauges from 12-26 AWG (0.2-2.5mm²). The part is classified as obsolete, making identification of compatible substitute components essential for ongoing system maintenance and new design implementations.

Key Parameters

Parameter	Value
Manufacturer	Phoenix Contact
Part Number	1981733
Category	Terminal Blocks
Type	Plug, Male Pins
Number of Positions	16
Pitch	0.197" (5.00mm)
Plug Wire Entry	180°
Termination Style	Screwless - Leg Spring, Push-In Spring
Mounting Type	Free Hanging (In-Line)
Current Rating (IEC)	12A
Voltage Rating (IEC)	630V
Wire Gauge Range	12-26 AWG (0.2-2.5mm²)
Housing Material	Polyamide (PA), Nylon
Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 1981733 is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Current rating (IEC: 12A), voltage rating (IEC: 630V), and wire gauge compatibility (12-26 AWG / 0.2-2.5mm²)
Mechanical Configuration: 16-position count, 5mm pitch, 180° plug wire entry, and free-hanging in-line mounting
Termination Method: Screwless push-in spring termination
Material & Compliance: Polyamide housing with UL94 V-0 flammability rating and RoHS compliance

The substitute part Phoenix Contact 1910966 maintains full equivalence across all specified parameters, with the primary distinction being active product status and updated series designation (COMBICON FKIC versus COMBICON FKICS).

Parameter Comparison

Parameter	1981733 (Main Part)	1910966 (Substitute)	Compatibility
Manufacturer	Phoenix Contact	Phoenix Contact	Identical
Type	Plug, Male Pins	Plug, Male Pins	Identical
Number of Positions	16	16	Identical
Pitch	0.197" (5.00mm)	0.197" (5.00mm)	Identical
Plug Wire Entry	180°	180°	Identical
Termination Style	Screwless - Leg Spring, Push-In Spring	Screwless - Leg Spring, Push-In Spring	Identical
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Identical
Current Rating (IEC)	12A	12A	Identical
Voltage Rating (IEC)	630V	630V	Identical
Current Rating (UL)	10A	10A	Identical
Voltage Rating (UL)	300V	300V	Identical
Wire Gauge Range	12-26 AWG (0.2-2.5mm²)	12-26 AWG (0.2-2.5mm²)	Identical
Housing Material	Polyamide (PA), Nylon	Polyamide (PA), Nylon	Identical
Flammability Rating	UL94 V-0	UL94 V-0	Identical
Contact Mating Finish	Tin	Tin	Identical
Wire Strip Length	10mm	10mm	Identical
Insulation Height	0.591" (15.00mm)	0.591" (15.00mm)	Identical
RoHS Status	RoHS Compliant	RoHS Compliant	Identical
MSL Rating	1 (Unlimited)	1 (Unlimited)	Identical
Product Status	Obsolete	Active	Substitute is active
Series	COMBICON FKICS	COMBICON FKIC	Updated series

Engineering Selection Recommendations

Phoenix Contact 1910966 is the direct substitute for obsolete part 1981733. Both components maintain identical electrical ratings (12A IEC / 10A UL), mechanical configuration (16-position, 5mm pitch), and material specifications (UL94 V-0 polyamide housing). The substitute part carries active product status, ensuring ongoing availability and supply chain continuity.

Both parts satisfy RoHS compliance requirements and carry identical moisture sensitivity levels (MSL 1). The transition from COMBICON FKICS to COMBICON FKIC series represents a product line update with no functional or dimensional changes affecting interchangeability.

For applications currently using 1981733, direct replacement with 1910966 is supported without circuit redesign or mechanical modification.

Frequently Asked Questions (FAQ)

Q: Can Phoenix Contact 1910966 directly replace 1981733 in existing applications?

A: Yes. Both parts are electrically and mechanically equivalent across all specified parameters, including current/voltage ratings, position count, pitch, termination method, and wire gauge compatibility.

Q: What is the primary reason for substitution?

A: Part 1981733 is classified as obsolete. Phoenix Contact 1910966 is the active equivalent, ensuring continued availability and supply chain support.

Q: Are there dimensional differences between these parts?

A: No. Both components share identical pitch (5mm), insulation height (15mm), wire strip length (10mm), and mounting configuration (free-hanging in-line).

Q: Do both parts support the same wire gauge range?

A: Yes. Both accept 12-26 AWG (0.2-2.5mm²) wire gauges with identical termination specifications.

Q: What is the difference between COMBICON FKICS and COMBICON FKIC series designations?

A: The series designation change reflects a product line update. No functional, electrical, or mechanical differences exist between the two series for this component.

Q: Are RoHS and compliance certifications identical?

A: Yes. Both parts are RoHS compliant with UL94 V-0 flammability rating, identical MSL rating (1), and equivalent regulatory classifications (ECCN: EAR99, HTSUS: 8536.90.4000).

Q: What packaging is available for the substitute part?

A: Phoenix Contact 1910966 is supplied in bulk packaging, with 1018 pieces currently in stock.

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