DATATRONICS PT21905

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: ddisales@datatronics.com
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.