器件名称:
Q3903-AL
功能描述:
Toroidal Transformer
文件大小:
123.52KB 共1页
简 介:
Document 616 Toroidal Transformer – Q3903-AL Specified by ON Semiconductor for use with their NCP1605 PFC Controller. Referenced as X25, pulse transformer on evaluation board NCP1605FORWGEVB and Application Note AND8292. Recommended by Texas Instruments for use with their UC3875 Phase Shift Resonant Controller. Three 1 : 1 windings 500 Vrms winding-to-winding isolation. Core material Ferrite Terminations RoHS compliant tin-silver over tin over nickel over brass. Other terminations available at additional cost. Weight 4.3 g Ambient temperature –40°C to +85°C Storage temperature Component: –40°C to +85°C. Packaging: –40°C to +80°C Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C / 85% relative humidity) Failures in Time (FIT) / Mean Time Between Failures (MTBF) 38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332 Packaging 49 per tray PCB washing Only pure water or alcohol recommended Part number Q3903-AL Inductance1 min (H) 210 DCR max2 (Ohms) 0.090 Inter-winding isolation (Vrms) 500 Notch indicates pin1 1 2 3 6 5 4 1 0.65 16,51 1. Inductance measured between pins 1 and 6, at 15.75 kHz, 0.015 Vrms, 0 Adc using an Agilent/HP 4192A impedance analyzer. 2. DCR is per winding, measured on Cambridge Technology microohmmeter or equivalent. 3. Electrical specifications at 25°C. 6 2 0.72 18,29 0.95 24,13 5 3 0.475 12,07 0.19 ± 0.02 4,83 ± 0,51 0.01256 × 0.30 0,319 × 0,75 6 4 1:1:1 0.140 3,56 1 3 4 0.638 16,21 0.051 1,3 Recom……
