ASCF21UB - Abracon Corporation - Pdf.Support

Dimensions: inch (mm)

Frequency Range

Operating Temperature

rev1.1-05/06

ABRACON IS

ABRACON IS

ISO 9001 / QS 9000

ISO 9001 / QS 9000

CERTIFIED

CERTIFIED

ABRACON IS

ISO 9001 / QS 9000

CERTIFIED

30332

Esperanza, Rancho Santa Margarita, California

92688

tel 949-546-8000 | fax 949-546-8001 | www.abracon.com

|||||||||||||||

ASCF21UB

SURFACE MOUNT CRYSTAL FILTER

SURFACE MOUNT CRYSTAL FILTER

SURFACE MOUNT CRYSTAL FILTER

STANDARD SPECIFICATIONS:

ORDERING INFORMATION:

OUTLINE DRAWING:

ASCF21UBXX - Packaging

-T Tape and Reel (1,000pcs/reel)

FEATURES:

• Surface-mount ceramic package.

• Reflow capable.

• Excellent attenuation bandwidth.

• Low height (1.0mm max.)

APPLICATIONS:

• Mobile communication systems.

• Pagers.

• Cellular and cordless phones.

• Radios.

6.0 x 3.5 x 1.0mm

*RoHS COMPLIANT

PARAMETERS

21.400MHz

- 20° C to + 70° C

MARKING:

- 21.4

- UBXX ZY

XX : suffix of P/N

ZY : Date Code

Z = Month (A to L)

Y = Year (6 for 2006)

Series No. Pole Ri

pp

le Loss

dB KHz dB KHz dB dB

21UB7A 2 3 ± 3.75 18 ± 18.0 1.0 1.5

21UB7B 4 3 ± 3.75 35 ± 14.0 1.0 2.5

21UB15A 2 3 ± 7.5 15 ± 25.0 1.0 1.5

21UB15B 4 3 ± 7.5 35 ± 25.0 1.0 2.5

21UB20A 2 3 ± 10.0 15 ± 34.0 1.0 2.0

21UB20B 4 3 ± 10.0 35 ± 34.0 1.0 2.5

21UB30A 2 3 ± 15.0 15 ± 45.0 1.0 1.5

21UB30B 4 3 ± 15.0 35 ± 50.0 1.0 2.5

Pass Band Attenuation Band

Series No. Attenuation Guaranteed

dB KHz

21UB7A 50 -910±10

21UB7B 80 -910±10

21UB15A 50 -910±10

21UB15B 80 -910±10

21UB20A 50 -910±10

21UB20B 80 -910±10

21UB30A 45 -910±10

21UB30B 80 -910±10

850//6.0

850//3.5

1500//2.0

1500//0.5

1800//0.5

1800//-1.0

3000//0

3000//-1.5

1

Terminal Impedance

(

Ω//pF

)

Case Quantit

y

2

1

2

2

1

2

1