Dimensions: inch (mm)

Frequency Range

Operating Temperature

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

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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

Ripple

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 Quantity

2

1

2

2

1

2

1