# WQAC291 Series SMD Air Wound Coil Inductors

## Features
· Acrylic jacket for flat top for pick and place
· Excellent Q and SRF characteristics for RF applications (subGHz band)
· Narrow tolerance options available
· AEC-Q200 Qualified

## Applications
· Communication systems: GSM/3G/LTE, Wi-Fi, GPS
· Tuners: Cable, Terrestrial, Bluetooth, Wireless Audio
· M2M: Zigbee, Proprietary wireless
· EMI solutions in high-frequency circuits
· Automotive

## Dimensions (Unit: mm)
· WQAC291A: 3.05 (Max) x 3.18 (Max) x 0.58 ±0.38 mm
· WQAC291B: 3.05 (Max) x 3.18 (Max) x 0.58 ±0.38 mm

## Ordering Information
· WQAC291A/B - Series Code
· Z0: Standard Extension
· Tolerance: G(±2%), J(±5%), K(±10%)
· Turns: T01 (1 Turn), T02 (2 Turns), T03 (3 Turns), T04 (4 Turns), T05 (5 Turns), T06 (6 Turns), T07 (7 Turns), T08 (8 Turns), T09 (9 Turns), T10 (10 Turns)
· Packing: P (7” Reeled)

## Electrical Characteristics (Example - WQAC291AZ0□T01PB)
· L (nH): 2.5 - 43.0 (depending on series and turns)
· Q Min: 100 - 145
· Typical Q @ Frequency (MHz): 150
· SRF Typical (GHz): 2.1 - 12.5
· RDC Maximum (mΩ): 1.1 - 6.8
· Rated Current (A): 4.0

## Reliability Performance
· High Temperature Exposure: 1000 hrs @ rated temp
· Temperature Cycling: 1000 cycles (-40°C to +125°C)
· Biased Humidity: 1000 hrs 85°C/85%RH
· Operational Life: 1000 hrs @ 105°C
· Mechanical Shock: 100g’s, 6ms
· Vibration: 5g’s for 20 minutes
· Solderability: J-STD-002
· Flammability: UL-94 V-0 or V-1

## Packaging
· Quantity per reel: 500 pcs.
· Carrier tape & reel specifications provided in datasheet.
· Moisture Sensitivity Level (MSL): 1 (Unlimited floor life < 30°C / 85% RH)