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Magnetic Component Specification
Specification Number SGE2649-2 REV. A(10/02/01)
1.0
Document Scope.
This document describes the attributes of an electronic high-frequency current transformer for end-use in DC to AC inverters that operate between 35 kHz and 100 kHz. This document is intended to be a binding specification of this current transformer to include (but not limited to) mechanical characteristics, and electrical characteristics. The overall intent to assure a consistent, high quality product.
2.0
Applicable Documents.
In the event of a conflict between documents, this specification is the to take precedence over other documents. a. MIL-STD-2000 Solderability Requirements b. SGQ-1135 Receiving Inspection, Magnetics c. IPC/JEDEC J-STD-020A (4/99) IR Reflow
3.0
Electrical Characteristics
Items Inductance ( at 10Khz, 0.1V) Min Nom Max 64 120 150 1.8 3.0 4.2 Coupling Capacitance 1.5 2.5 Apply 40mVpp, 60Hz Sinewave between pin 1and 2 measure V3-4 Apply test voltage between pin 1,2 and pin 3,4, 60Khz. sine wave source, measured with Tektronix P6015 (or equiv.) Items Rdc1-2(m) Rdc3-4(m) Min 100 425 D.C Resistance Nom 121 488 Max 140 550
L1-2 (uH) L3-4 (mH) C2-4(pF) Turn Ratio Test Insulation Strength Test
HP4280A 1Mhz C meter, Floating mode V3-4/V1-2 5.0 +/- 0.3
Should not be started any corona discharge at 2500Vrms min, 100C
4.0
Winding Specifications
Primary Pin 1 - 2 1S-2F #38, Teflon Insulation 6 Secondary Pin 3-4 4S-3F 0.1mm UEW 130, Class 0(Triple insulation) 30
Core: A10(T4*2*2), ACME Co. Special six layers-coated with Parylene C Winding Sequence Wire Size & Type Number of Turns
5.0
Safety Agency Requirements.
This component is to be designed and manufactured to meet the requirements of UL 1950 standard. All raw materials used in the construction of this component are to be UL-listed, and are to consistent with the UL1950 standard. This component is to be capable of meeting UL94V-0 and CSA requirements.
6.0
Environmental Requirements.
The completed component is to be designed and manufactured to meet the following environmental requirements, when housed in the final enclosure assembly. The completed component is to perform to the normal electrical requirements after being subjected to any of the following environmental conditions. The following paragraphs define the operating and non-operating environments for the completed transformer and its next higher assembly level. These requirements are to be used to qualify the component in its actual operating assembly configuration. Operating Temperature Range. -40C to +110C. Non-Operating Temperature Range. -40C to +130C. Thermal Cycling. The completed part is to be capable of passing 100 thermal cycles from -40C to +110C, with 15 minute dwells at each temperature. Operating Relative Humidity. 5% to 95% Humidity, Non-Condensing, +-40C to +85C. Non-Operating Relative Humidity. 0% to 100% Humidity, 0C to +60C. Operating Altitude. Sea Level to 10,000 Feet Above Sea Level. Non-Operating Altitude. Sea Level to 50,000 Feet Above Sea Level. IR Reflow Process. Completed parts are to survive 5 times an IR Solder Reflow process without degradation in electrical performance or mechanical characteristics (No crack, swelling on plastic and no gap on bottom epoxy potting area). The IR Reflow process temperature profile is provided by the following:
6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8
Linfinity Microelectronics, Inc., 11861 Western Ave., Garden Grove, CA 92841 tel. (714) 898-8121
Magnetic Component Specification
Specification Number SGE2649-2 REV. A(10/02/01)
5.9 5.10 6.0 6.1 6.2
Continuous Elevated Temperature. The completed component is to maintain conformance to the inductance specification after
being exposed to 85C for extended periods of time.
Expected Product Life. The expected product MTBF is 500,000Hours Identification & Packaging Specifications. Part shall be marked or printed "1AP" on top surface area. Parts Packaging. Parts are to be packaged in a manner which provides adequate protection for normal shipping and handling. Parts are to
be placed gently into trays, and each completed tray is to be placed gently into the packaging box and it should be machine placeable. Packed boxes are to be clearly marked for easy identification of part number and manufacturer. Box label is to include: Manufacturer Name & Customer Name Part Number Manufacturing Lot-Code Number Quantity Per Box.
7.0
Physical Specification & Wiring Diagram
Linfinity Microelectronics, Inc., 11861 Western Ave., Garden Grove, CA 92841 tel. (714) 898-8121

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