21.7MQ15A [EUROQUARTZ]
Crystal Filter, 1 Function(s), 21.7MHz, 7.5kHz BW(delta f), Monolithic, ROHS COMPLIANT, SMD, 6 PIN;
| 型号： | 21.7MQ15A |
| 厂家： | 
EUROQUARTZ LIMITED |
| 描述： | Crystal Filter, 1 Function(s), 21.7MHz, 7.5kHz BW(delta f), Monolithic, ROHS COMPLIANT, SMD, 6 PIN LTE |
| 文件： | 总1页 (文件大小：92K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
QUARTZ
EURO
MONOLITHIC CRYSTAL FILTERS
SMD 'Q' Series, 21.40MHz 21.70MHz and 45.000MHz
Compact and low mass.
Excellent shock and vibration resistance
Suitable for automatic pick and place
Solder reflow capable
OUTLINE & DIMENSIONS
ENVIRONMENTAL & MECHANICAL SPECIFICATIONS
RoHS Status:
Gross Leak:
RoHS compliant and pB free
60s minimum at +125°C in D.I.
water or flurocarbon fluid.
Shock:
Half sine wave, acceleration of 100g
peak amplitude for 11ms duration,
3 cycles in each plane.
Vibration:
±5ppm maximum, frequency 10Hz
to 55Hz, amplitude 1.5mm or
10gs r.m.s. Duration 6 hours
Three drops onto hard wood board
from 75cm. 3 random drops.
After 48 hours at 85°C, 85% relative
humidity, non-condensing
Drop Test:
Humidity:
Thermal Shock:
Temperature cycling, exposed to
-40° for 30 minutes then at +85°C
for 30 minutes, duration of 5 days
SPECIFICATIONS
Pass
Bandwidth
Stop
Bandwidth
Insertion Guaranteed Terminating
Frequency
(MHz)
No. of
Poles
Ripple
Model
Loss
Attenuation Impedance
dB
dB
kHz
kHz
dB max. dB max. dB
Ohms//pF
kHz
21.400
21.400
21.700
45.000
45.000
21MQ7.5A
21MQ15A
21.7MQ15A
45MQ15A
45MQ30A
2
2
2
2
2
3
3
3
3
3
±3.75
±7.5
±7.5
±7.5
±15
20
18
18
15
15
±18
±25
±28
±25
±60
1.0
0.5
1.0
1.0
1.0
2.0
1.5
2.0
2.0
2.0
70
70
70
70
70
-910
-910
-910
-910
-910
850//6.0
1.5k//2.5
1.5k//2.5
560//6.0
1.2k//1.8
PART NUMBER FORMAT
Example: 21MQ7.5A
Frequency Code
21M = 21.4MHz
21.7M = 21.700MHz
45M = 45.000MHz
Q: Package style 7.0 x 5.0 x 1.3mm SMD
Pass Bandwidth code (at 3dB min.)
7.5 = ±3.75kHz
15 = ±7.5kHz
30 = ±15kHz
Poles code
A = 2 poles (1 piece)
B = 4 poles (2 pieces)
C = 6 poles (3 pieces)
D = 8 poles (4 pieces)
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 Email: info@euroquartz.co.uk www.euroquartz.co.uk
Registered in England No: 1773012
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