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

3D Model Datasheet

ZD2087-AE Flyback Transformers

for STMicroelectronics A/L6983I Iso-Buck Converter

The ZD2087-AE flyback transformer is designed to work with the A/L6983I, iso-buck converter from STMicroelectronics. It has no auxiliary winding and offers the greatest efficiency, lowest cost, and smallest size for synchronous isolated DC-DC power converters. The ZD2087-AE is optimized with a 24 V input voltage and generates an output at 30 V / 0.33 A.

Developed for use with the STMicroelectronics A/L6983I iso-buck converter
Optimized for a 24 Vin solution with the evaluation board STEVAL-L6983IV1.
1500 Vrms, one minute isolation (hipot) between primary and secondary.
AEC-Q200 (–40°C to +125°C)

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Specifications

Electrical specifications at 25°C.

Part number (Hover for schematics)	Power (W)	Inductance at 0A (µH) 1 (Tolerance: ±10%)	Isat (A) 2	DCR max (Ω)		Leakage Inductance max (µH) 3	Turns Ratio	Isolation Voltage (Vrms) 4	Secondary Output (V, A)
Part number (Hover for schematics)	Power (W)	Inductance at 0A (µH) 1 (Tolerance: ±10%)	Isat (A) 2	Pri	Sec	Leakage Inductance max (µH) 3	Pri : Sec	Isolation Voltage (Vrms) 4	Secondary Output (V, A)
ZD2087-AED	9.9	13.5	8.0	0.02	0.293	0.15	1 : 2.555	1500	30 V , 0.33 A

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.
1500 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 +165°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	50,4	44,4	44	28	4	2	14,6	0,5

General specification

Core Material:

Ferrite

Weight:

6.99 g

Packaging:

150 per 13″ reel Plastic tape: 44 mm wide, 0.5 mm thick, 28 mm pocket spacing, 14.6 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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ZD2087-AE Flyback Transformers

for STMicroelectronics A/L6983I Iso-Buck Converter

Selected configuration not available

Specifications

Termination:

Packaging:

Performance curves

L vs Current

Schematics

Physical characteristics

Tape and Reel specification

General specification

Soldering/Washing

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