November 28, 2007 219 SERIES CURRENT SENSE INDUCTORS Features z z z z z Frequency Range: 40Hz to 20kHz Operating Temperature: -40°C to +130°C Dielectric Strength Pri to Sec: 2.5k Vrms Fully Encapsulated Construction Non RoHS Version is available (note 3) ELECTRICAL SPECIFICATIONS AT 25ºC Part No. Turns Ratio 1T Pri Primary Peak Current (Amp) Secondary Inductance (H) Typical DCR (Ω) Max. PT21925 1000 25 70 70 PT21926 1000 30 70 70 .625 1 Ø .500 1.375 3 2 SCHEMATIC .300 1.375 .563 Ø .030 2 1 3 .063 .188 NOTES: 1. All dimensions are shown in inches 2. General tolerance ± 0.010 otherwise specified 3. For non-RoHS parts, replace PT prefix with 42(e.g. PT21925 becomes 42-21925). 4. Terminating resistor (RT) calculated: RT = VREF * (N / IPEAK PRIMARY) 5. Inductance: 0.1 Vrms @ 100Hz .688 1.188 DATATRONIC: 28151 Highway 74, Romoland, CA 92585 Tel: 951-928-7700 Toll Free Tel: 888-889-5391 Fax: 951-928-7701 Email: [email protected] 499 King’s Road, Hong Kong Tel: (852) 2562 3858, (852) 2564 8477 Fax: (852) 2565 7214, (852) 2563 1290 All specifications are subject to change without notice.