Datasheet 3D Models Technical Bulletin

TX1 Push-Pull Transformers

for Texas Instruments SN6507 Push Pull Driver

Optimized for Texas Instrument SN6507 transformer driver
Low profile and center-tapped push-pull transformers for isolated power supply
High Frequency Operation up to 1 MHz
2500 Vrms, one minute high isolation (hipot) winding to winding
Exceptional efficiency
See the AEC qualified TX2 for a significantly higher isolation voltage and higher creepage and clearance.

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Count	Unit price
1	$5.74
150	$4.69
300	$3.51
600	$2.12

For high volume or non-stock items, request a quote.

Termination

E = Tin-silver-copper over tin over nickel over phos bronze

Packaging

D = 13" machine-ready reel

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Typical Application

Works with Texas Instruments SN6507

Part number	Primary voltage	Secondary voltage	Power 1	Fsw
TX1-ZB1445-CED	12 V	15 V	7.5 W	1000 kHz
TX1-ZC1892-AED	12 V	30 V	15 W	1000 kHz
TX1-ZB1459-BED	24 V	15 V	7.5 W	1000 kHz
TX1-ZC1891-AED	24 V	30 V	15 W	1000 kHz

Specifications

Electrical specifications at 25°C.

Part number (Hover for schematics)	Inductance at 0A (µH) 2	DCR max 3		Leakage Inductance max (µH) 4	Turns Ratio	Volt-time product (V-µs) 5	Isolation Voltage (Vrms) 6	Schematic
Part number (Hover for schematics)	Inductance at 0A (µH) 2	Pri (Ω)	Sec (mΩ)	Leakage Inductance max (µH) 4	Pri : Sec	Volt-time product (V-µs) 5	Isolation Voltage (Vrms) 6	Schematic
TX1-ZB1445-CED	99.7	0.087	135.000	0.25	1 : 1.4	22	2500	tx1s
TX1-ZC1892-AED	99.7	0.102	240.000	1.0	1 : 2.8	22	2500	tx1s
TX1-ZB1459-BED	196.0	0.115	98.000	1.0	1 : 0.71	30	2500	tx1s
TX1-ZC1891-AED	196.0	0.134	163.000	1.0	1 : 1.43	30	2500	tx1s

Notes

Calculated Output Power will vary depending upon application.
Inductance is for the primary, measured between pins 4 and 1 with pins 2 and 3 connected at 1 MHz, 0.1 Vrms, 0 Adc.
DCR is per winding.
Leakage inductance is for the primary with both windings connected in series and with the secondary windings shorted.
Volt-time product is for the primary, between pins 4 and 1 with pins 2 and 3 connected.
2500 Vrms, one minute isolation (hipot) between primary and secondary windings.

Termination:

RoHS-compliant. 260°C compatible. RoHS Tin-silver-copper over tin over nickel over phos bronze. Other terminations available at additional cost.

Packaging:

600/13″ reel. Plastic tape: 24 mm wide, 0.37 mm thick, 16 mm pocket spacing, 6.1 mm pocket dept.

Environmental

Environmental:

RoHS compliant , halogen free

Ambient temperature range:

–40°C to +125°C

Storage temperature range:

Component: –40°C to +125°C
Tape and reel packaging: –40°C to +80°C

Maximum part temperature:

+165°C (ambient + temperature rise)

Failures in Time (FIT) / Mean Time Between Failures (MTBF):

See FIT/MTBF Calculations

Schematics

Connect pin 2 to 3 and pin 6 to 7 on the PC board.

Physical characteristics

Tape and Reel specification

Parts per reel	Reel dimensions (mm)					Tape dimensions (mm)						Orientation
13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
600	330	100	13	30,4	24,4	24	16	4	2	6,1	0,37

General specification

Core Material:

Ferrite

Weight:

0.91 – 1.1 g

Packaging:

600 per reel, 13″ reel Plastic tape: 24 mm wide, 0.37 mm thick, 16 mm pocket spacing, 6.1 mm pocket depth

Soldering/Washing

Moisture Sensitivity Level (MSL):

1 (unlimited floor life at <30°C / 85% relative humidity)

Resistance to soldering heat:

Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles

Refer to Soldering Coilcraft Components before soldering.

PCB Washing:

Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

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TX1 Push-Pull Transformers

for Texas Instruments SN6507 Push Pull Driver

Measured Efficiency vs. Output Power for SN6507

Selected configuration not available

Typical Application

Specifications

Termination:

Packaging:

Schematics

Physical characteristics

Tape and Reel specification

General specification

Soldering/Washing

Warning