Hammond Manufacturing 182K117 Toroidal Power Transformer - Equivalent & Substitute Parts

Part Overview

The Hammond Manufacturing 182K117 is a 160VA toroidal power transformer designed for chassis mount applications. This transformer features dual primary and secondary windings, supporting multiple voltage configurations (117V/234V primary, with parallel 117V or series 234V secondary output). The part is classified as obsolete, making identification of suitable substitute components essential for ongoing system maintenance and new design implementations.

Key Parameters

Parameter	Value
Manufacturer Part Number	182K117
Manufacturer	Hammond Manufacturing
Product Type	Toroidal Power Transformer
Power Rating	160VA
Primary Voltage	117V, 234V
Secondary Voltage (Full Load)	Parallel 117V, Series 234V
Secondary Current (Max)	Parallel 1.37A, Series 684mA
Primary Winding Configuration	Dual
Secondary Winding Configuration	Dual
Mounting Type	Chassis Mount
Termination Style	Wire Leads
Voltage Isolation	4000Vrms
Product Status	Obsolete
RoHS Compliance	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the 182K117 is determined by strict equivalence across the following critical parameters:

Power rating: 160VA
Transformer type: Toroidal
Primary voltage configuration: Dual winding supporting 117V and 234V
Secondary voltage configuration: Dual winding supporting parallel 117V and series 234V output
Secondary current capacity: Parallel 1.37A minimum, Series 684mA minimum
Mounting configuration: Chassis mount with wire lead termination
Isolation voltage: 4000Vrms
Regulatory compliance: ROHS3 and REACH requirements

The Hammond Manufacturing 1182K117 meets all specified electrical and mechanical parameters for direct substitution. Both transformers maintain identical voltage ratings, current capacities, winding configurations, and isolation specifications. The primary distinction is product status: the 182K117 is obsolete while the 1182K117 is active production.

Parameter Comparison

Parameter	182K117	1182K117	Match Status
Manufacturer	Hammond Manufacturing	Hammond Manufacturing	Identical
Power Rating	160VA	160VA	Identical
Transformer Type	Toroidal	Toroidal	Identical
Primary Voltage	117V, 234V	117V, 234V	Identical
Secondary Voltage (Full Load)	Parallel 117V, Series 234V	Parallel 117V, Series 234V	Identical
Secondary Current (Max)	Parallel 1.37A, Series 684mA	Parallel 1.368A, Series 684mA	Equivalent
Primary Winding(s)	Dual	Dual	Identical
Secondary Winding(s)	Dual	Dual	Identical
Mounting Type	Chassis Mount	Chassis Mount	Identical
Termination Style	Wire Leads	Wire Leads	Identical
Voltage Isolation	4000Vrms	4000Vrms	Identical
Height - Seated (Max)	43.94mm	44.45mm	Compatible
Weight	3.9 lbs (1.8 kg)	3.8 lbs (1.7 kg)	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
REACH Status	REACH Unaffected	REACH Unaffected	Identical
Product Status	Obsolete	Active	Different

Engineering Selection Recommendations

The Hammond Manufacturing 1182K117 is the direct substitute for the obsolete 182K117. Both components maintain identical electrical specifications across all critical parameters: 160VA power rating, dual primary and secondary winding configurations, 117V/234V primary voltage support, parallel 117V/series 234V secondary output, and 4000Vrms isolation voltage.

The 1182K117 offers the advantage of active production status, ensuring availability for new designs and system replacements. Both transformers meet ROHS3 and REACH compliance requirements. Physical dimensions are compatible, with the 1182K117 height of 44.45mm representing a negligible 0.51mm increase over the 182K117 specification of 43.94mm. Weight differential of 0.1 lbs (0.1 kg) is immaterial for chassis mount applications.

Frequently Asked Questions (FAQ)

Q: Can the 1182K117 directly replace the 182K117 in existing designs?

A: Yes. The 1182K117 provides electrical and mechanical equivalence across all specified parameters. Voltage ratings, current capacities, winding configurations, isolation specifications, and mounting characteristics are identical. Physical dimensions are compatible within standard engineering tolerances.

Q: What is the significance of the product status difference?

A: The 182K117 is classified as obsolete, indicating discontinued production. The 1182K117 is active production, ensuring component availability for procurement and future system maintenance. Both transformers meet current regulatory compliance standards.

Q: Are there any compliance or certification differences?

A: No. Both the 182K117 and 1182K117 maintain ROHS3 compliance and REACH unaffected status. Isolation voltage, termination style, and mounting specifications are identical.

Q: What are the critical parameters for substitution verification?

A: Substitution requires matching: 160VA power rating, toroidal transformer type, dual primary and secondary winding configuration, 117V/234V primary voltage support, parallel 117V/series 234V secondary output capability, 1.37A parallel current and 684mA series current minimum capacity, chassis mount configuration with wire lead termination, and 4000Vrms isolation voltage.

Q: Are packaging differences significant?

A: The 182K117 is packaged as a standard component, while the 1182K117 is supplied in a box. This represents a packaging variation only and does not affect electrical or mechanical performance in chassis mount applications.

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