IT 143 Schaffner EMC Inc, IT 143 Datasheet

IT 143

Manufacturer Part Number

IT 143

Description

Manufacturer

Schaffner EMC Inc

Datasheet

1.IT_143.pdf (3 pages)

Specifications of IT 143

Primary Voltage (max)

500V

Mounting Style

Through Hole

Lead Style

PC Pin

Pin Count

Operating Temp Range

-25C to 70C

Primary Side Inductance

15000uH

Primary Et Constant

800V/us

Dcr Primary Side Max

3Ohm

Dcr Secondary Side Max

3Ohm

Rise Time (max)

600ns

Interwinding Capacitance Max

10pF

Turns Ratio

1:1:1

Product Height (mm)

13.7mm

Product Depth (mm)

27mm

Product Length (mm)

22.5mm

Transformer Type

Pulse Transformer

Lead Free Status / RoHS Status

Compliant

Current page: 1 of 3
Download datasheet (184Kb)

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

1.5 x U

-25°C to +70°C (25/70/21)

UL 94V-0 listed materials

Features and benefits

/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

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.

Related parts for IT 143

IT 143 Summary of contents

Page 1

... 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 ...

Page 2

... IT 243, IT 244, IT 249, IT 253 143, IT 153, IT 154, IT 233, IT 234 Prim Prim Resistance Coupling Input/Output capacitance connections [Ω] [Ω] [pF 1 0.8 0.8 ...

Page 3

... Tolerance is ±0.2 All dimensions in mm; 1 inch = 25.4mm Tolerances according: ISO 2768 / EN 22768 Your local partner: To find your local partner within Schaffner’s global network, please go to www.schaffner.com IT 249 IT 253 IT 242 IT 143 IT 153 IT 154 17.6 17.6 17.6 27* 27* 27* 16.7 16.7 16.7 22.5* 22 ...

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