Equivalent & Substitute Parts for Tamura 3FL230-50

Part Overview

The Tamura 3FL230-50 is a laminated core power transformer rated at 12VA with dual primary and secondary windings. This through-hole mounted component supports dual voltage configurations (115V/230V primary, 115V/230V secondary) with a maximum output current of 100mA in parallel mode or 50mA in series mode. The product is classified as obsolete, necessitating identification of active equivalent components to maintain design continuity and ensure ongoing component availability for production and repair applications.

Key Parameters

Parameter	Value
Power Rating	12VA
Primary Voltage	115V, 230V
Secondary Voltage	Parallel 115V, Series 230V
Maximum Output Current	Parallel 100mA, Series 50mA
Core Type	Laminated
Primary Windings	Dual
Secondary Windings	Dual
Mounting Type	Through Hole
Termination Style	PC Pin
Isolation Voltage	1500Vrms (Main Part)
Dimensions	63.50mm L x 50.80mm W
Height (Seated Max)	27.05mm (Main Part)

Substitute Part Grouping Explanation

Substitution of the Tamura 3FL230-50 is based on strict electrical and mechanical parameter alignment. The following criteria determine compatibility:

Electrical Parameters (Critical):

Power rating of 12VA
Dual primary winding configuration supporting 115V and 230V inputs
Dual secondary winding configuration with parallel and series output modes
Output current capacity: minimum 100mA parallel / 50mA series
Isolation voltage rating of 1500Vrms or higher

Mechanical Parameters (Critical):

Through-hole mounting type
PC pin termination style
Physical dimensions: 63.50mm L x 50.80mm W
Height compatibility within seated maximum specifications

Acceptable Variations:

Secondary voltage output may vary within standard tolerance ranges (115V to 120V parallel configuration)
Isolation voltage may exceed the minimum 1500Vrms requirement
Height may be slightly lower than the maximum seated specification
Product status may transition from obsolete to active

The Triad Magnetics FP230-50 meets all critical electrical and mechanical parameters and qualifies as a direct substitute.

Parameter Comparison

Parameter	Tamura 3FL230-50	Triad Magnetics FP230-50	Compatibility
Power Rating	12VA	12VA	Match
Primary Voltage	115V, 230V	115V, 230V	Match
Secondary Voltage (Parallel)	115V	120V	Compatible
Secondary Voltage (Series)	230V	230V	Match
Output Current (Parallel)	100mA	100mA	Match
Output Current (Series)	50mA	50mA	Match
Core Type	Laminated	Laminated	Match
Primary Windings	Dual	Dual	Match
Secondary Windings	Dual	Dual	Match
Mounting Type	Through Hole	Through Hole	Match
Termination Style	PC Pin	PC Pin	Match
Isolation Voltage	1500Vrms	2000Vrms	Compatible (Exceeds)
Dimensions (L x W)	63.50mm x 50.80mm	63.50mm x 50.80mm	Match
Height (Seated Max)	27.05mm	26.97mm	Compatible
Product Status	Obsolete	Active	Upgrade Path

Engineering Selection Recommendations

The Triad Magnetics FP230-50 is the qualified substitute for the Tamura 3FL230-50 based on the following engineering criteria:

Electrical Compatibility: All critical electrical parameters align with or exceed the original specification. The FP230-50 delivers identical power rating, primary voltage configuration, and output current capacity. The secondary voltage in parallel mode (120V) falls within acceptable tolerance of the original 115V specification. The isolation voltage of 2000Vrms exceeds the 1500Vrms requirement, providing enhanced safety margin.

Mechanical Compatibility: Physical dimensions and mounting characteristics are identical. The seated height of 26.97mm is within the maximum specification of 27.05mm, confirming PCB layout compatibility.

Product Status and Compliance: The FP230-50 is classified as active, ensuring ongoing availability and supply chain continuity. The component is RoHS3 compliant and REACH unaffected, meeting current regulatory requirements. The Tamura 3FL230-50 obsolete status necessitates transition to an active equivalent for new production and long-term support.

Packaging Consideration: The FP230-50 is supplied in box packaging, whereas the original part number does not specify packaging detail. This does not affect functional performance or PCB integration.

Frequently Asked Questions (FAQ)

Q: Can the Triad Magnetics FP230-50 be used as a direct replacement for the Tamura 3FL230-50 in existing designs?

A: Yes. The FP230-50 meets all critical electrical and mechanical parameters. Identical mounting type, termination style, and physical dimensions ensure direct PCB compatibility without layout modification.

Q: What is the significance of the 5V difference in parallel secondary voltage (115V vs. 120V)?

A: The 5V difference represents a 4.3% variance, which is within standard transformer tolerance ranges. Applications requiring precise 115V output should evaluate load characteristics and voltage regulation requirements against the FP230-50 specification.

Q: Does the higher isolation voltage (2000Vrms vs. 1500Vrms) affect circuit performance?

A: No. Higher isolation voltage provides enhanced safety margin and does not negatively impact circuit operation. This represents an improvement over the original specification.

Q: Are there any compliance differences between the two components?

A: The FP230-50 is RoHS3 compliant and REACH unaffected, meeting current regulatory standards. The Tamura 3FL230-50 compliance status is not specified in available documentation. The FP230-50 represents the current regulatory standard for this component category.

Q: What is the impact of the 0.08mm height difference?

A: The FP230-50 seated height of 26.97mm is 0.08mm lower than the maximum specification of 27.05mm. This difference is negligible for PCB assembly and does not affect component clearance or thermal performance.

Q: Is the FP230-50 available in the same packaging as the original part?

A: The FP230-50 is supplied in box packaging. Original packaging specification for the 3FL230-50 is not detailed. Packaging does not affect component functionality or PCB integration.

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