F12-1000 Equivalent & Substitute Parts Reference

Part Overview

The F12-1000 is a laminated core power transformer manufactured by Triad Magnetics, rated at 12VA with a primary voltage of 115V and dual secondary windings configured for parallel (6.3V, 2A) or series (12.6V, 1A) operation. This through-hole mounted component is designed for Class 2/3 applications and is part of the Split Pack™ series. The part is currently active in production with 811 units in stock. Equivalent substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to support procurement flexibility and supply chain continuity.

Substiute Parts

F12-1000

Triad MagneticsIn Stock: 882F12-1000 Datasheet

Current PartRFQ

164G12

Hammond ManufacturingIn Stock: 1040164G12 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the F12-1000 are identified based on strict equivalence of the following critical parameters:

• Electrical Specifications: Primary voltage (115V), secondary voltage configuration (parallel 6.3V / series 12.6V), output current ratings (parallel 2A / series 1A), and power rating (12VA)
• Core and Winding Configuration: Laminated core type, single primary winding, dual secondary windings, no center tap
• Mechanical Compatibility: Through-hole mounting, PC pin termination, compatible physical dimensions
• Isolation and Safety: Isolation voltage rating (2500Vrms), Class 2/3 application suitability
• Regulatory Compliance: ROHS3 compliance, REACH unaffected status, matching HTSUS and ECCN classifications

The Hammond Manufacturing 164G12 meets all these criteria and is classified as a direct electrical and mechanical equivalent.

Parameter Comparison

Engineering Selection Recommendations

Both the F12-1000 and 164G12 are active production components with full ROHS3 compliance and REACH unaffected status, making them suitable for current and future procurement. The F12-1000 is manufactured by Triad Magnetics and is part of the Split Pack™ series, while the 164G12 is manufactured by Hammond Manufacturing as part of the 164 series. Both transformers meet identical electrical and isolation specifications for Class 2/3 applications.

The primary distinction between these parts is packaging and height specification. The F12-1000 is supplied in box packaging with a seated height of 36.50mm maximum, while the 164G12 is supplied in bulk packaging with a seated height of 38.10mm maximum. The 1.60mm height difference is within typical PCB layout tolerances for through-hole mounted components and does not affect electrical performance or functional compatibility.

Selection between these parts should be based on procurement availability, packaging requirements, and specific board layout constraints. Both parts are electrically and mechanically interchangeable for applications requiring a 12VA, 115V primary, dual secondary laminated core transformer with through-hole PC pin termination.

Frequently Asked Questions (FAQ)

Q: Can the 164G12 be used as a direct replacement for the F12-1000 in existing designs?

A: Yes. The 164G12 is electrically equivalent to the F12-1000 across all specified parameters including voltage ratings, current capacity, isolation voltage, and winding configuration. The 1.60mm difference in maximum seated height (38.10mm vs. 36.50mm) is a minor mechanical variation that does not affect electrical performance. PCB layout should be verified to confirm adequate clearance for the slightly taller Hammond part.

Q: What are the key electrical parameters that define substitution eligibility?

A: Substitution eligibility is determined by matching the following parameters: 12VA power rating, 115V primary voltage, dual secondary windings configured for parallel 6.3V/2A or series 12.6V/1A operation, laminated core construction, single primary winding, no center tap, 2500Vrms isolation voltage, and through-hole PC pin termination. Any deviation in these specifications disqualifies a part from direct substitution.

Q: Are there compliance or regulatory differences between these parts?

A: No. Both the F12-1000 and 164G12 carry identical compliance certifications: ROHS3 compliant, REACH unaffected, EAR99 ECCN classification, and 8504.31.4035 HTSUS code. Both are active production parts with no known end-of-life status.

Q: What is the difference between parallel and series secondary winding configuration?

A: The F12-1000 and 164G12 feature dual secondary windings that can be configured in parallel to deliver 6.3V at 2A maximum output current, or in series to deliver 12.6V at 1A maximum output current. The total power capacity remains 12VA in both configurations. Circuit design determines which configuration is appropriate for the application.

Q: Does packaging type affect electrical performance or compatibility?

A: No. The F12-1000 is supplied in box packaging while the 164G12 is supplied in bulk packaging. Packaging type is a logistics and inventory consideration only and does not affect electrical specifications, performance, or functional compatibility. Both parts are identical in electrical and mechanical function.

Q: What is the significance of the 2500Vrms isolation voltage rating?

A: The 2500Vrms isolation voltage rating specifies the maximum voltage that can be safely applied between the primary and secondary windings without risk of electrical breakdown or arcing. This rating is identical for both the F12-1000 and 164G12 and confirms suitability for Class 2/3 safety applications where isolation between primary and secondary circuits is required.