Equivalent & Substitute Parts for 3FL10-1200

Part Overview

The 3FL10-1200 is a laminated core power transformer manufactured by Tamura, rated at 12VA with dual primary and secondary windings. This through-hole mounted component is designed for applications requiring flexible voltage configurations through series and parallel winding connections. The part is active in production and RoHS compliant, making it suitable for modern electronic equipment requiring regulated power distribution.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the specified parameter range. The FP10-1200 from Triad Magnetics represents a direct functional equivalent meeting all critical electrical and dimensional requirements.

Substiute Parts

3FL10-1200

TamuraIn Stock: 10993FL10-1200 Datasheet

Current PartRFQ

FP10-1200

Triad MagneticsIn Stock: 919FP10-1200 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 3FL10-1200 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Identical power rating: 12VA
• Matching primary voltage inputs: 115V and 230V
• Matching secondary voltage outputs: Parallel 5V and Series 10V
• Matching output current capacity: Parallel 2.4A and Series 1.2A
• Dual primary and dual secondary winding configuration
• Isolation voltage rating of 1500Vrms or greater

Mechanical Equivalence Requirements:

• Through-hole mounting type
• PC pin termination style
• Laminated core construction
• Footprint dimensions: 63.50mm L x 50.80mm W
• Height compatibility within seated maximum specification

Compliance Requirements:

• Active product status
• RoHS compliance (RoHS3 or equivalent)

The FP10-1200 from Triad Magnetics meets all electrical and mechanical equivalence criteria, with enhanced isolation voltage (2000Vrms) and improved RoHS3 compliance status.

Parameter Comparison

Engineering Selection Recommendations

Primary Part Selection (3FL10-1200): The 3FL10-1200 remains the specified component when original manufacturer sourcing is required or when inventory from Tamura is preferred. This part is active in production with RoHS compliance and 1034 units currently in stock.

Substitute Part Selection (FP10-1200): The FP10-1200 from Triad Magnetics is a direct functional substitute meeting all electrical and mechanical requirements. Selection of this substitute is appropriate when:

• Tamura 3FL10-1200 inventory is unavailable
• Supply chain diversification is required
• Enhanced isolation voltage (2000Vrms versus 1500Vrms) provides additional safety margin
• ROHS3 compliance status is preferred over standard RoHS compliance
• Triad Magnetics inventory (887 units) is more readily available

Both parts are active products with equivalent performance across all critical parameters. The FP10-1200 provides enhanced electrical isolation and improved regulatory compliance status without compromising any functional requirement.

Frequently Asked Questions (FAQ)

Q: Can the FP10-1200 be used as a direct replacement for the 3FL10-1200 in existing designs?

A: Yes. The FP10-1200 meets all electrical and mechanical specifications of the 3FL10-1200. Identical voltage inputs, voltage outputs, current ratings, winding configurations, mounting type, termination style, and footprint dimensions ensure direct compatibility. The enhanced isolation voltage of the FP10-1200 provides additional safety margin without introducing any incompatibility.

Q: Are there any dimensional differences between these parts?

A: Both parts share identical footprint dimensions of 63.50mm length by 50.80mm width. The seated height differs by 0.08mm (3FL10-1200 at 27.05mm maximum versus FP10-1200 at 26.97mm maximum), which is within standard PCB assembly tolerances and does not affect compatibility.

Q: What is the difference in packaging between these parts?

A: The 3FL10-1200 is supplied in bulk packaging, while the FP10-1200 is supplied in box packaging. This difference affects only logistics and storage; the components themselves are functionally identical.

Q: Do both parts support the same voltage configurations?

A: Yes. Both the 3FL10-1200 and FP10-1200 feature dual primary windings (115V, 230V) and dual secondary windings configured for parallel 5V/2.4A or series 10V/1.2A operation. Winding configuration flexibility is identical between both parts.

Q: What is the significance of the isolation voltage difference?

A: The FP10-1200 provides 2000Vrms isolation versus the 3FL10-1200's 1500Vrms. This represents enhanced electrical isolation capability and exceeds the minimum requirement. Higher isolation voltage provides additional safety margin in applications requiring galvanic isolation between primary and secondary circuits.

Q: Are both parts RoHS compliant?

A: Yes. The 3FL10-1200 is RoHS compliant, and the FP10-1200 is ROHS3 compliant. Both meet current environmental and hazardous substance restrictions. ROHS3 represents the current regulatory standard.

Q: Can these parts be used interchangeably in production?

A: Yes. Both parts are active products with equivalent electrical performance and mechanical compatibility. Interchangeable use is supported by matching specifications across all critical parameters including power rating, voltage inputs/outputs, current capacity, winding configuration, mounting type, and termination style.