IT249 Schaffner EMC Inc, IT249 Datasheet
IT249
Manufacturer Part Number
IT249
Description
Pulse Transformers
Manufacturer
Schaffner EMC Inc
Series
ITr
Type
Pulse Transformersr
Datasheet
1.IT253.pdf
(3 pages)
Specifications of IT249
Transformer Type
Data/Voice Coupling
Inductance
17mH
Turns Ratio - Primary:secondary
2 : 1 : 1
Mounting Type
Through Hole
Primary Voltage Rating
500 V
Secondary Voltage Rating
3.2 KV
Mounting Style
PCB
Dimensions
17.6 mm L x 16.7 mm W x 11.3 mm H
Product
Pulse Transformers
Height
11.3 mm
Length
17.6 mm
Operating Temperature Range
- 25 C to + 70 C
Secondary Resistance
1.3 Ohms
Termination Style
Through Hole
Turns Ratio
2:1:1
Width
16.7 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
E.t.
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
22-486
817-1516
IT 249
817-1516
IT 249
Technical specifications
Nominal operating voltage:
Operating frequency:
Ignition currents:
Rise time:
Test voltage:
Max. partial discharge voltage:
Temperature range (operation and storage):
Flammability corresponding to:
IT pulse transformers are designed to offer
you galvanic isolation for transformer coupled
gate drives. The IT series provides negligible
delays and the possibility of voltage scaling.
They are available with single or double
secondary winding for multiple gate drives.
Choosing the IT product line brings you the
rapid availability of a standard gate drive
transformer. A wide selection on turns ratio,
ignition current and voltages are designed to
offer you the desired standard product.
Pulse transformer with double
secondary winding
■
■
■
■
Up to 500V
40kHz max.
500kHz max. for data transmission
0.1 to 1A @ 40°C
0.4 to 4.0μs
U
1.5 x U
-25°C to +70°C (25/70/21)
UL 94V-0 listed materials
Features and benefits
■
■
■
■
■
■
■
p
/50Hz/2s max. according to VDE 110b
Galvanic separation of drive and power
circuit
Voltage resistance up to 4kV
Ignition current up to 1A
Turns ratio up to 3:1:1
Galvanic separation with secondary
winding.
Voltage resistance up to 4kV.
Allows high potential difference voltage
scaling.
Vacuum potting.
Very low partial discharge effects.
PCB through hole mounting.
Custom-specific versions on request.
nom
Pulse transformers
IT series
Approvals
Typical electrical schematic
Typical applications
■
■
■
■
■
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Gate drive circuit
Power supplies
Power converters
Frequency converters
Switching applications
DC/DC converters
Line coupling transformers in high-speed
data transmission
sec.
prim.
sec.
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IT249 Summary of contents
Page 1
Pulse transformer with double secondary winding Technical specifications Nominal operating voltage: Operating frequency: Ignition currents: Rise time: Test voltage: Max. partial discharge voltage: Temperature range (operation and storage): Flammability corresponding to: IT pulse transformers are designed to offer you galvanic ...
Page 2
Components > IT series Pulse transformer selection table Pulse transformer Turns ratio Ignition current I ign [A] IT 143 1:1:1 0.025 IT 153 1:1:1 0.1 IT 242 1:1:1 0.1 IT 243 1:1:1 0.1 IT 213 1:1:1 0.25 IT 233 ...
Page 3
Components > IT series Dimensions IT 213 IT 243 IT 244 A Ø19 17.6 17.6 B 16.7 16 11.3 11 0.45 0.42 0. 0.4 0 15.3 15.3 H ...