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Double Secondary Winding Pulse Transformers TE Schaffner IT213 for PCB Mounting and Voltage Scaling

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Double Secondary Winding Pulse Transformers TE Schaffner IT213 for PCB Mounting and Voltage Scaling

Turns Ratio : 1:1:1

Width : -

Length : -

Operating Temperature : -25℃~+70℃

Description : 1:1:1 Through Hole,D=19mm Pulse Transformers RoHS

Mfr. Part # : IT213

Model Number : IT213

Package : Through Hole,D=19mm

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Pulse Transformers IT series with double secondary winding

The Pulse Transformers IT series offer galvanic isolation between drive and power circuits, featuring double secondary windings. They provide voltage resistance up to 4 kV and ignition currents up to 1 A, with turns ratios up to 3:1:1. These transformers are designed for applications requiring high potential difference voltage scaling and exhibit very low partial discharge effects due to vacuum potting. They are suitable for PCB through-hole mounting and custom-specific versions are available upon request.

Features and Benefits

Galvanic separation with secondary winding
Voltage resistance up to 4 kV
Allows high potential difference voltage scaling
Vacuum potting
Very low partial discharge effects
PCB through hole mounting
Custom-specific versions on request

Typical Applications

Gate drive circuit
Power supplies
Power converters
Frequency converters
Switching applications
DC/DC converters
Line coupling transformers in high-speed data transmission

Technical Specifications

Model	Turns ratio	Ignition Current Iign [A]	Nominal Operating Voltage Unom [V]	Test Voltage Up [kV]	Voltage Rise V0t [Vs]	Rise Time tr [s]	Primary Inductance Lp [mH]	Stray Inductance Lstr [H]	Resistance Rp []	Resistance Rs []	Capacitance Ck [pF]	Weight [g]
IT 143	1:1:1	0.025	500	4	800	0.6	15	200	3	3	10	02 14
IT 242	1:1:1	0.1	500	3.2	250	0.9	2.5	75	0.75	0.75	7	02 6
IT 243	1:1:1	0.1	500	3.2	250	1	2.5	85	0.8	0.8	7	02 6
IT 213	1:1:1	0.25	380	2.5	450	0.4	6.5	20	1.4	1.4	40	02 9
IT 233	1:1:1	0.25	500	4	300	1.3	3	45	0.8	0.8	7	02 13
IT 253	1:1:1	0.25	500	3.2	160	1.3	1.1	45	0.55	0.55	6	02 6
IT 312	1:1:1	0.25	380	2.5	1200	1	21	35	2.4	2.7	30	02 24
IT 313	1:1:1	1	380	2.5	450	0.6	3	6	0.33	0.4	27	02 24
IT 249	2:1:1	0.25	500	3.2	330	4	17	140	3.1	1.5	9	02 6
IT 244	3:1:1	0.1	500	3.2	200	0.7	15	70	2.8	0.9	9	02 6
IT 234	3:1:1	0.25	500	4	280	1	17	40	2	0.7	9	02 13
IT 314	3:1:1	1	380	2.5	500	1	35	20	1.6	0.7	30	02 25

* Tolerance: +50%; -30%

Explanations: tr rise time at given load resistor R and 70% of the output pulse height. Lp primary inductance measured at 1 kHz (secondary coil open). Lstr stray inductance measured at the secondary side, short circuit at the primary side. If there are several secondary coils only one at the time is connected (measuring frequency 10 kHz). The ignition current is a set peak value where the voltage drop over the coil resistance is still insignificant (mostly below 1 V).

Mechanical Data

Model	A	B	C	D	E	F	G	H	I	K	L
IT 213	17.6	16.7	20	5	0.45	1	10	5	2.1	5	2
IT 243, IT 244, IT 249, IT 253	17.6	16.7	11.3	5	0.42	0.4	15.3	7.5	2.1	5	2
IT 242	27*	22.5*	13.7	5	0.45	0.7	20	7.5	3.75	5	2.5
IT 143, IT 154, IT 233, IT 234	27*	22.5*	13.7	5	0.45	0.7	20	7.5	3.75	5	2.5
IT 312, IT 313, IT 314	25.5*	25.5*	25*	5	0.5	0.5	15	7.5	5.25	5	3

* Tolerance is 0.2

All dimensions in mm; 1 inch = 25.4 mm

Tolerances according: ISO 2768-m/EN 22768-m

2411272239_TE---Schaffner-IT213_C6061919.pdf

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