Datasheet 3D Models

WB9-1L

Name: WB9-1L
Brand: Coilcraft
SKU: WB9-1L
Price: 2.02 USD
Availability: InStock

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Count	Unit price
1	$3.28
250	$2.81
500	$2.45
1000	$2.02
2500	$1.72
5000	$1.58

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Specifications

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

No taps

Part number (Hover for schematics)	L min per winding (µH) 1		DCR max (mΩ) 2		Imp. ratio pri:sec 3	Current rating (mA)	Insertion loss (db)	Bandwidth (MHz)	Isolation Voltage (Vrms)	Schematic
Part number (Hover for schematics)	Pri	Sec	Pri	Sec	Imp. ratio pri:sec 3	Current rating (mA)	Insertion loss (db)	Bandwidth (MHz)	Isolation Voltage (Vrms)	Schematic
WB9-1L	25	225	100	250	1 : 9	250	0.57	0.125 — 125	500	A

Notes

Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4192 or equivalent.
DCR measured on a micro-ohmmeter 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.
DC imbalance is the difference in current measured at pins 1 and 3 with the source at pin 2. Inductance drop is 15% at maximum imbalance.

Termination:

RoHS-compliant. Matte tin over nickel over phos bronze terminations.
COTS Plus tin-silver-copper and tin-lead terminations available.

Packaging:

(SM version): 500 per 13″ reel; Plastic tape: 24 mm wide, 0.42 mm thick, 20 mm pocket spacing, 6.6 mm pocket depth; (TH version): 70 per tube.

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

–40°C to +85°C

Storage temperature range:

Component: –40°C to +85°C
Tape and reel or tube 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

A (No Tap)	B (Sec Tap)	C (Pri and Sec Tap)

Physical characteristics

General specification

Core Material:

Ferrite

Weight:

0.38 – 0.40 g

Packaging:

70 per tube

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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WB9-1L

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Specifications

No taps

Termination:

Packaging:

Performance curves

Frequency Response

Schematics

Physical characteristics

General specification

Soldering/Washing

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