November 28, 2007
219 SERIES CURRENT SENSE INDUCTORS
Features
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.
PT21925
PT21926
Turns Ratio
1T Pri
1000
1000
Primary Peak
Current (Amp)
25
30
Secondary Inductance
(H) Typical
70
70
DCR
(Ω) Max.
70
70
.625
Ø .500
1
1.375
3
2
SCHEMATIC
.300
1.375
.563
1
3
2
Ø .030
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 (R
T
) calculated:
R
T
= V
REF
* (N / I
PEAK PRIMARY
)
5. Inductance: 0.1 Vrms @ 100Hz
.063
.188
.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: 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.
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