FS24-800 Equivalent & Substitute Parts Reference

Part Overview

The FS24-800 is a laminated core power transformer manufactured by Triad Magnetics, rated at 20VA with dual primary and secondary windings. This through-hole mounted component is designed for applications requiring flexible voltage configurations through series and parallel winding arrangements. The part is currently in active production status with 1110 units in stock. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit designs without performance degradation.

Key Parameters

Parameter	Value
Power Rating	20VA
Primary Voltage Options	115V, 230V
Secondary Voltage (Parallel)	12V
Secondary Voltage (Series)	24V
Output Current - Parallel	1.6A
Output Current - Series	800mA
Core Type	Laminated
Primary Windings	Dual
Secondary Windings	Dual
Mounting Type	Through Hole
Termination Style	PC Pin
Isolation Voltage	2500Vrms
Dimensions (L × W)	57.15mm × 47.63mm
Height (Seated Max)	36.50mm
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the FS24-800 is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

Power rating: 20VA
Primary voltage options: 115V and 230V dual configuration
Secondary voltage outputs: 12V (parallel) and 24V (series)
Output current capacity: 1.6A (parallel) and 800mA (series)
Isolation voltage: 2500Vrms
Winding configuration: Dual primary and dual secondary

Mechanical Specifications:

Core type: Laminated
Mounting: Through hole
Termination: PC pin
Physical dimensions: 57.15mm L × 47.63mm W
Height tolerance: ≤36.52mm seated

Compliance Requirements:

RoHS3 compliance
REACH unaffected status
ECCN: EAR99
HTSUS code: 8504.31.4035

The 162H24-BULK from Hammond Manufacturing meets all substitution criteria and is classified as an equivalent part.

Parameter Comparison

Parameter	FS24-800 (Triad Magnetics)	162H24-BULK (Hammond Manufacturing)	Match Status
Power Rating	20VA	20VA	Equivalent
Primary Voltage	115V, 230V	115V, 230V	Equivalent
Secondary Voltage (Parallel)	12V	12V	Equivalent
Secondary Voltage (Series)	24V	24V	Equivalent
Output Current - Parallel	1.6A	1.6A	Equivalent
Output Current - Series	800mA	800mA	Equivalent
Core Type	Laminated	Laminated	Equivalent
Primary Windings	Dual	Dual	Equivalent
Secondary Windings	Dual	Dual	Equivalent
Mounting Type	Through Hole	Through Hole	Equivalent
Termination Style	PC Pin	PC Pin	Equivalent
Isolation Voltage	2500Vrms	2500Vrms	Equivalent
Dimensions (L × W)	57.15mm × 47.63mm	57.15mm × 47.63mm	Equivalent
Height (Seated Max)	36.50mm	36.52mm	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
REACH Status	REACH Unaffected	REACH Unaffected	Equivalent
ECCN	EAR99	EAR99	Equivalent
HTSUS Code	8504.31.4035	8504.31.4035	Equivalent

Engineering Selection Recommendations

The 162H24-BULK transformer from Hammond Manufacturing is a direct equivalent substitute for the FS24-800. Both components share identical electrical performance specifications, mechanical form factors, and regulatory compliance certifications. Selection between these parts should be based on:

Availability and Lead Time: The FS24-800 has 1110 units in stock, while the 162H24-BULK has 1652 units available. Both are active production items with established supply chains.

Packaging Considerations: The FS24-800 is supplied in box packaging, while the 162H24-BULK is supplied in bulk packaging. Packaging selection depends on procurement volume and inventory management requirements.

Compliance Status: Both parts maintain ROHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements for industrial and commercial applications.

Physical Integration: The marginal height difference of 0.02mm (36.50mm versus 36.52mm) is within standard PCB assembly tolerances and does not impact board-level integration.

Frequently Asked Questions (FAQ)

Q: Can the 162H24-BULK replace the FS24-800 in existing designs?

A: Yes. The 162H24-BULK meets all electrical, mechanical, and compliance specifications of the FS24-800. Direct substitution is supported without circuit redesign or performance impact.

Q: Are the voltage and current ratings identical between these parts?

A: Yes. Both transformers provide 115V/230V primary inputs, 12V/24V secondary outputs, and identical current ratings of 1.6A (parallel) and 800mA (series) configurations.

Q: What is the difference between box and bulk packaging?

A: Box packaging typically includes individual component packaging suitable for smaller orders or component traceability. Bulk packaging is used for higher-volume procurement and reduces per-unit packaging costs.

Q: Do both parts meet the same isolation voltage specification?

A: Yes. Both the FS24-800 and 162H24-BULK are rated at 2500Vrms isolation voltage, meeting identical safety and performance requirements.

Q: Are there any compliance differences between these transformers?

A: No. Both parts are ROHS3 compliant, REACH unaffected, classified as EAR99, and share the same HTSUS code (8504.31.4035).

Q: What is the significance of the laminated core type?

A: Laminated cores reduce eddy current losses and provide stable performance across the 20VA power range. Both parts use identical laminated core construction.

Q: Can these transformers be configured for series or parallel operation?

A: Yes. Both transformers feature dual primary and dual secondary windings, enabling flexible series (24V, 800mA) and parallel (12V, 1.6A) configurations based on application requirements.

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