Equivalent & Substitute Parts for F5-36 Laminated Power Transformer

Part Overview

The F5-36 is a laminated core power transformer manufactured by Triad Magnetics, rated for 12VA with a primary voltage of 115V and secondary voltage of 36V at 350mA maximum output current. This chassis mount transformer features a center tap on the secondary winding and is designed for solder and quick connect termination. The part is currently active in production with full RoHS3 compliance and REACH unaffected status. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility parameters are met within acceptable tolerances for the application.

Key Parameters

Parameter	Value	Unit
Power Rating	12	VA
Primary Voltage	115	V
Secondary Voltage (Full Load)	36	V
Maximum Output Current	350	mA
Core Type	Laminated
Primary Winding Configuration	Single
Secondary Winding Configuration	Single
Center Tap	Yes
Mounting Type	Chassis Mount
Isolation Voltage	2500	VAC/Vrms
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

The F5-36 transformer qualifies for substitution with the Signal Transformer model 241-5-36 based on the following critical parameters:

Electrical Equivalence Criteria:

Identical primary voltage: 115V
Identical secondary voltage: 36V
Identical maximum output current: 350mA
Identical power rating: 12VA
Identical core type: Laminated
Identical winding configuration: Single primary, single secondary
Identical center tap presence: Yes
Identical isolation voltage: 2500VAC/Vrms

Mechanical Compatibility Criteria:

Identical mounting type: Chassis Mount
Compatible termination style: Solder and Quick Connect
Dimensions within acceptable tolerance: Length 71.40-71.42mm, Width 34.93-36.30mm, Height 41.28-42.80mm
Identical weight: 0.7 lb (317.51 g)

Compliance Equivalence:

Both parts are ROHS3 Compliant
Both parts are REACH Unaffected
Both parts carry EAR99 ECCN classification
Both parts share identical HTSUS code: 8504.31.4035

Parameter Comparison

Parameter	F5-36 (Triad Magnetics)	241-5-36 (Signal Transformer)	Match Status
Manufacturer	Triad Magnetics	Signal Transformer	Different Manufacturer
Series	Quick Pack	Two-4-One™	Different Series
Power Rating	12 VA	12 VA	Equivalent
Primary Voltage	115 V	115 V	Equivalent
Secondary Voltage	36 V	36 V	Equivalent
Maximum Output Current	350 mA	350 mA	Equivalent
Core Type	Laminated	Laminated	Equivalent
Primary Winding(s)	Single	Single	Equivalent
Secondary Winding(s)	Single	Single	Equivalent
Center Tap	Yes	Yes	Equivalent
Mounting Type	Chassis Mount	Chassis Mount	Equivalent
Termination Style	Solder, Quick Connect - 0.187" (4.7mm)	Solder, Quick Connect	Compatible
Length	71.42 mm	71.40 mm	Within Tolerance
Width	34.93 mm	36.30 mm	Within Tolerance
Height (Seated Max)	41.28 mm	42.80 mm	Within Tolerance
Weight	0.7 lb (317.51 g)	0.7 lb (317.51 g)	Equivalent
Isolation Voltage	2500 VAC	2500 Vrms	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
Product Status	Active	Active	Equivalent

Engineering Selection Recommendations

Both the F5-36 and 241-5-36 transformers meet identical electrical and mechanical specifications for 12VA laminated core power transformation applications. Selection between these parts should be based on the following factors:

Availability and Lead Time: The F5-36 (Triad Magnetics) currently has 1121 pieces in stock, while the 241-5-36 (Signal Transformer) has 815 pieces available. Procurement timelines may influence part selection based on project schedules.

Packaging Consideration: The F5-36 is supplied in bulk packaging, while the 241-5-36 is supplied in box packaging. Packaging selection depends on order quantity requirements and inventory management practices.

Compliance Status: Both parts carry identical RoHS3 compliance and REACH unaffected status, making either part suitable for applications requiring environmental regulatory compliance.

Series Designation: The F5-36 belongs to the Quick Pack series, while the 241-5-36 belongs to the Two-4-One™ series. Series designation does not affect electrical or mechanical compatibility.

Dimensional Tolerance: Mechanical dimensions are within acceptable tolerance ranges for chassis mount applications. The 241-5-36 has slightly larger width (36.30mm vs 34.93mm) and height (42.80mm vs 41.28mm) dimensions, which must be verified against specific mounting cavity constraints in the target application.

Frequently Asked Questions (FAQ)

Q: Can the 241-5-36 directly replace the F5-36 in existing designs?

A: Yes. Both transformers meet identical electrical specifications (12VA, 115V primary, 36V secondary, 350mA output, center tap, laminated core) and are compatible with chassis mount applications using solder and quick connect termination. Dimensional differences are within acceptable tolerance for standard mounting cavities.

Q: Are there any electrical performance differences between these two transformers?

A: No. Both transformers have identical electrical ratings: 12VA power, 115V primary voltage, 36V secondary voltage, 350mA maximum output current, 2500VAC isolation voltage, and single primary/secondary winding configuration with center tap.

Q: What is the significance of the different packaging types (Bulk vs Box)?

A: Packaging type affects order fulfillment and inventory management but does not impact transformer performance or compatibility. Bulk packaging is typically used for larger quantity orders, while box packaging is standard for smaller quantities.

Q: Do both transformers meet the same compliance standards?

A: Yes. Both the F5-36 and 241-5-36 are ROHS3 compliant, REACH unaffected, carry EAR99 ECCN classification, and share the identical HTSUS code 8504.31.4035.

Q: Are there dimensional constraints that would prevent substitution?

A: Dimensional differences are minimal and within acceptable tolerance. The 241-5-36 has a maximum width of 36.30mm (vs 34.93mm) and height of 42.80mm (vs 41.28mm). Verify these dimensions against specific mounting cavity specifications in your application before final selection.

Q: What factors should determine which part to order?

A: Selection should be based on current inventory availability, packaging requirements, lead time, and specific mounting cavity dimensions. Both parts are electrically and mechanically equivalent for standard 12VA laminated core transformer applications.

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