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Introduction
Specifications
Environmental
Performance curves
Schematics
Physical characteristics
Tape & Reel
Soldering/Washing

3D Model Datasheet

ZB1346-BE Flyback Transformers

for STMicroelectronics Iso-Buck Converter A/L6983I

Optimized for iso-buck converter A/L6983I from STMicroelectronics and designed in the evaluation board STEVAL-L6983IV1
4 to 38 V input voltage range with up to 10 W power
4000 Vrms, one minute isolation (hipot) from primary to secondary
8 mm creepage and clearance, Material Group 3a
- Insulation level may be Functional, Basic, or Reinforced depending on application variables such as working voltage, pollution degree, OVC, and altitude. Please contact Coilcraft for full details.
AEC-Q200 qualified

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Typical Application

Works with STMicroelectronics STEVAL-L6983IV1

Input Voltage	Output	Power	Fsw
3 V — 38 V	30 V , 0.33 A	9.9 W	500 kHz

Specifications

Electrical specifications at 25°C.

Part number (Hover for schematics)	Inductance at 0A (µH) 1 (Tolerance: ±10%)	Isat (A) 2	DCR max (Ω)		Leakage Inductance max (µH) 3	Turns Ratio	Isolation Voltage (Vrms) 4
Part number (Hover for schematics)	Inductance at 0A (µH) 1 (Tolerance: ±10%)	Isat (A) 2	Pri	Sec	Leakage Inductance max (µH) 3	Pri : Sec	Isolation Voltage (Vrms) 4
ZB1346-BED	13.5	8.3	0.029	1.34	0.14	1 : 6	4000

Notes

Inductance is for the primary, measured at 500 kHz, 0.1 Vrms, 0 Adc.
DC current that causes the primary inductance to drop 30% from its value without current.
Leakage inductance is for the primary with the secondary windings shorted.
4000 Vrms, one minute isolation (hipot) between primary and secondary.

Termination:

RoHS-compliant, halogen free. 260°C compatible. Tin-silver-copper over tin over nickel over phos bronze terminations.

Packaging:

D = 13″ machine-ready reel. EIA-481 embossed plastic tape (150 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).

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 + temp rise)

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

See FIT/MTBF Calculations

Performance curves

L vs Current

Schematics

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
150	330	100	13	62,4	56,4	56	24	4	2	17,3	0,5

General specification

Core Material:

Ferrite

Weight:

6.87 g

Packaging:

150 per 13″ reel Plastic tape: 56 mm wide, 0.6 mm thick, 24 mm pocket spacing, 17.3 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.

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ZB1346-BE Flyback Transformers

for STMicroelectronics Iso-Buck Converter A/L6983I

Selected configuration not available

Typical Application

Specifications

Termination:

Packaging:

Performance curves

L vs Current

Schematics

Physical characteristics

Tape and Reel specification

General specification

Soldering/Washing

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