ASCF21UB7A-T [ABRACON]
Crystal Filter, 1 Function(s), 21.4MHz, 3.75kHz BW(delta f), ROHS COMPLIANT, CERAMIC PACKAGE-4;
| 型号： | ASCF21UB7A-T |
| 厂家： | 
ABRACON |
| 描述： | Crystal Filter, 1 Function(s), 21.4MHz, 3.75kHz BW(delta f), ROHS COMPLIANT, CERAMIC PACKAGE-4 |
| 文件： | 总1页 (文件大小：146K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SURFAACCEE MOUNT CRYSTAL FILTTEERR
ASCF21UB
*RoHS COMPLIANT
6.0 x 3.5 x 1.0mm
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FEATURES:
APPLICATIONS:
• Surface-mount ceramic package.
• Reflow capable.
• Mobile communication systems.
• Pagers.
• Excellent attenuation bandwidth.
• Low height (1.0mm max.)
• Cellular and cordless phones.
• Radios.
STANDARD SPECIFICATIONS:
PARAMETERS
Frequency Range
Operating Temperature
21.400MHz
- 20° C to + 70° C
Series No.
Pole
Pass Band Attenuation Band
Ripple
dB
Loss
dB
dB
KHz
3.75
3.75
7.5
dB
18
35
15
35
15
35
15
35
KHz
18.0
14.0
25.0
25.0
34.0
34.0
45.0
50.0
21UB7A
21UB7B
2
4
2
4
2
4
2
4
3
1.0
1.5
2.5
1.5
2.5
2.0
2.5
1.5
2.5
3
1.0
21UB15A
21UB15B
21UB20A
21UB20B
21UB30A
21UB30B
3
3
1.0
7.5
1.0
3
10.0
10.0
15.0
15.0
1.0
3
1.0
3
3
1.0
1.0
Series No. Attenuation Guaranteed Terminal Impedance
Case Quantity
Ω
dB
50
80
50
80
50
80
45
80
KHz
( //pF)
-910 10
-910 10
-910 10
-910 10
-910 10
-910 10
-910 10
-910 10
21UB7A
850//6.0
850//3.5
1
2
1
2
1
2
1
2
21UB7B
21UB15A
21UB15B
21UB20A
21UB20B
21UB30A
21UB30B
1500//2.0
1500//0.5
1800//0.5
1800//-1.0
3000//0
3000//-1.5
MARKING:
- 21.4
- UBXX ZY
OUTLINE DRAWING:
XX : suffix of P/N
ZY : Date Code
Z = Month (A to L)
Y = Year (6 for 2006)
ORDERING INFORMATION:
ASCF21UBXX - Packaging
-T Tape and Reel (1,000pcs/reel)
Dimensions: inch (mm)
ABRACON IS
ISO 9001 / QS 9000
CERTTIIFFIED
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000 | fax 949-546-8001 | www.abracon.com
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