November 27, 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. PT21901 1000 3.5 85 65 PT21903 1000 5 85 65 PT21905 2000 10 170 200 PT21906 2000 15 170 200 PT21907 2000 20 170 200 .625 Ø .188 .625 1 3 2 .300 MIN. .625 SCHEMATIC .062 Ø .030 1 2 3 .512 .112 .562 .312 DATATRONIC: 28151 Highway 74, Romoland, CA 92585 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. PT21901 becomes 42-21901). 4. Terminating resistor (RT) calculated: RT = VREF * (N / IPEAK PRIMARY) 5. Inductance: 1Vrms @ 100Hz 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.