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

Datasheet 3D Models

SMT Wideband Transformers

for ADI D/A Converter

Developed for Analog Devices D/A High-Speed Converters
400 Vrms primary to secondary isolation
250 mA maximum current rating
Tapped secondary

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Count	Unit price
1	$2.64
500	$2.47
1000	$2.16
2500	$1.85
5000	$1.70

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

Termination

L = Tin-silver-copper over silver-platinum-glass frit

Packaging

C = 7" machine-ready reel

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Specifications

Electrical specifications at 25°C. Measurements are referenced to 50 Ohms.

Part number 1 (Hover for schematics)	L min per winding (µH)		DCR max (Ω) 2		Imp. ratio pri:sec 3	Current rating (mA)	Insertion loss (db)	Bandwidth (MHz)	Isolation Voltage (Vrms)	Color dot
Part number 1 (Hover for schematics)	Pri	Sec	Pri	Sec	Imp. ratio pri:sec 3	Current rating (mA)	Insertion loss (db)	Bandwidth (MHz)	Isolation Voltage (Vrms)	Color dot
Z9280-AL	9.5	9.5	0.075	0.075	1 : 1	250	0.58	0.25 — 450	400	Orange
Z9314-AL	30.0	4.5	0.080	0.038	1 : 6.25	250	1.1	0.35 — 1700	400	Black

Notes

When ordering, please specify termination and packaging codes: e.g. Z9280-ALC
DCR at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
Impedance ratio is for the full primary winding to the full secondary winding.

Termination:

L = RoHS compliant tin-silver-copper over silver-platinum-glass frit.
S = non-RoHS tin-lead (63/37). (Special order, added cost)

Packaging:

250/7″ reel; 1000/13″ reel; Plastic tape: 16 mm wide, 0.343 mm thick, 12 mm pocket spacing, 4.83 mm pocket depth.

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

–40°C to +85°C

Storage temperature range:

Component: –40°C to +85°C
Tape and reel packaging: –40°C to +80°C

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

See FIT/MTBF Calculations

Performance curves

Frequency Response

Measured on a network analyzer (re: 50 Ohms)

Schematics

Physical characteristics

All dimensions ±0.005" (±0,127 mm)

Tape and Reel specification

Parts per reel		Reel dimensions (mm)					Tape dimensions (mm)						Orientation
7" (178 mm)	13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
250	1000*	178/330	60/100	13	22,4	16,4	16	12	4	2	4,83	0,34

* Special order

General specification

Core Material:

Ferrite

Weight:

0.4 g

Packaging:

250/7″ reel; 1000/13″ reel; Plastic tape: 16 mm wide, 0.343 mm thick, 12 mm pocket spacing, 4.83 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

SMT Wideband Transformers

for ADI D/A Converter