OPEN FRAME TRANSFORMER - KE-02COAE01 - Specification for Approval

Sep 10, 2026

Specification for approval covering the OPEN FRAME TRANSFORMER model KE-02COAE01 (Manufacturer Part No.: KS251479) from KTEC. Includes manufacturer and customer information, revision history, and an approval signature area. Defines electrical characteristics such as primary input rating, secondary output, no-load current, core loss, DC resistance, dielectric strength (Hi-pot), insulation resistance, induced voltage, humidity testing, and temperature rise. Also details mechanical characteristics, safety standard, insulation system, environmental conditions, core lamination method, mass-production inspection items, appearance drawings, transformer label, and packing requirements.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages11

Reading Time28 min

AccessFree to download

1. ELECTRICAL CHARACTERISTICS

1.1 Primary input rating

1.2 Secondary output

1.4 Primary no-load current (IO)

1.5 Core loss (CL)

1.6 DC resistance (DCR), measured at 25℃

1.7 Dielectric strength test (Hi-pot)

1.8 Insulation resistance (IR)

1.9 Induced voltage

1.10 Humidity test

1.11 Temperature rise(△T)

2. MECHANICAL CHARACTERISTICS

2.1 Pull strength test

2.2 Appearance

2.3 Dimension

3. SAFETY STANDARD

4. INSULATION SYSTEM

5. ENVIRONMENTAL CONDITION

6. CORE LAMINATION METHOD

7. INSPECTION ON MASS PRODUCTION

7.1 The inspection items for 100% of the products

7.2 H-2 . Sampling test items

8. APPEARANCE DRAWING (Unit: mm)

9. TRANSFORMER LABEL

10. PACKING (UNIT: MM)

11. MASTER BOX LABEL

KE-02COAE01 OPEN FRAME TRANSFORMER SPECIFICATION FOR APPROVAL TRANSFORMER KE-02COAE01 Manufacturer Part No. : KS251479 Customer Name KTEC Customer Part NO. Project Modify List | Item | Content | Rev. | Date | Prepared By | Checked By | | --- | --- | --- | --- | --- | --- | | 1 | First REV. | A | 2025-11-18 | Liao xiaoyan | Zong guoqing | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Manufacturer |
SALES QE APPROVED BY MADE BY | | | | | --- | --- | --- | --- | | TAI | 徐海鑫 | 贺洪明 | 冯朵朵 | Approved Signatures APPROVED BY CHECKED BY TESTED BY | | | | | --- | --- | --- | 2 KTEC GLOBAL Co., Ltd. 9F., No. 23, Zhongban Rd., Zhonghe Dist., New Taipei City 235024 , Taiwan (R.O.C.)+886-2-2223-3518｜[sales@twktec.com.tw](sales@twktec.com.tw) 2025-11-18(REV.A) SPECIFICATION FOR APPROVAL TRANSFORMER KE-02COAE01 Manufacturer Part No. : KS251479 1. ELECTRICAL CHARACTERISTICS ......................................................................................................................... 4 1.1 Primary input rating: .................................................................................................................................................. 4 1.2 Secondary output: ..................................................................................................................................................... 4 1.3 Chemical Substance Control Laws ........................................................................................................................... 4 1.4 Primary no-load current (IO):..................................................................................................................................... 4 1.5 Core loss (CL):........................................................................................................................................................... 4 1.6 DC resistance (DCR), measured at 25℃: .............................................................................................................. 4 1.7 Dielectric strength test (Hi-pot): ................................................................................................................................. 4 1.8 Insulation resistance (IR):.......................................................................................................................................... 5 1.9 Induced voltage: ........................................................................................................................................................ 5 1.10 Humidity test : ............................................................................................................................................................ 5 1.11 Temperature rise(△T): .............................................................................................................................................. 5 2. MECHANICAL CHARACTERISTICS: ....................................................................................................................... 5 2.1 Pull strength test: ....................................................................................................................................................... 5 2.2 Appearance: .............................................................................................................................................................. 5 2.3 Dimension:................................................................................................................................................................. 5 3. SAFETY STANDARD:............................................................................................................................................... 5 4. INSULATION SYSTEM: ...............................................

FAQs

What transformer model and manufacturer part number does the specification target?

The document specifies the OPEN FRAME TRANSFORMER model KE-02COAE01 with Manufacturer Part No. KS251479.

What electrical test areas are included in the approval specification?

Electrical coverage includes primary input rating, secondary output, no-load current, core loss, DC resistance at 25℃, dielectric strength (Hi-pot), insulation resistance, induced voltage, humidity test, and temperature rise (△T).

How does the document define inspection for mass production?

It separates inspections into 100% product checks and sampling test items (including the H-2 sampling section).

Sep 10, 2026

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