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21.7MQ15B PDF预览

21.7MQ15B

更新时间: 2024-10-01 20:56:55
品牌 Logo 应用领域
EUROQUARTZ LTE
页数 文件大小 规格书
1页 96K
描述
Crystal Filter,

21.7MQ15B 技术参数

生命周期:Contact ManufacturerReach Compliance Code:compliant
风险等级:5.62滤波器类型:CRYSTAL FILTER
Base Number Matches:1

21.7MQ15B 数据手册

  
QUARTZ  
EURO  
MONOLITHIC CRYSTAL FILTERS  
21.4, 21.7, and 45.0MHz  
SMD TYPE 'Q' Series 2 & 4 poles  
Compact and light weight  
Excellent shock and vibration resistance  
Suitable for auto pick and place, solder reflow capable  
Designed for mobile, wireless comms, pagers, cellular etc.  
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  
Operating Temperature Range: -20° to +70°C  
Storage Temperature Range:  
-40° to +85°C  
SPECIFICATIONS  
Pass  
Bandwidth  
Stop  
Bandwidth  
Insertion Guaranteed  
Loss  
Attenuation  
dB max. dB max. dB  
Frequency  
Model  
No. of  
Poles  
Ripple  
Terminating Impedance  
(MHz)  
Ohms//pF  
Cc(pF)  
dB  
dB  
kHz  
kHz  
kHz  
21.400  
21.400  
21.400  
21.400  
21.700  
21.700  
27.000  
45.000  
45.000  
45.000  
45.000  
21MQ7.5A  
21MQ15A  
21MQ15B  
21MQ30A  
21.7MQ15A  
21.7MQ15B  
21.7MQ30A  
45MQ15A  
45MQ15B  
45MQ30A  
45MQ30B  
2
2
4
2
2
4
2
2
4
2
4
3
3
3
3
3
3
3
3
3
3
3
±3.75  
±7.5  
±7.5  
±15  
±7.5  
±7.5  
±15  
±7.5  
±7.5  
±15  
20  
18  
40  
15  
18  
40  
15  
15  
30  
15  
30  
±18  
±25  
±25  
±50  
±28  
±25  
±50  
±25  
±25  
±60  
±40  
1.0  
0.5  
1.0  
1.5  
1.0  
1.0  
1.5  
1.0  
1.0  
1.0  
1.0  
2.0  
1.5  
3.0  
2.0  
2.0  
3.0  
2.0  
2.0  
3.0  
2.0  
3.0  
70  
70  
70  
50  
70  
70  
50  
70  
80  
70  
70  
-910  
-910  
-910  
-910  
-910  
-910  
-910  
-910  
-910  
-910  
-910  
850 // 6.0  
1500 // 2.5  
1800 // 0.35 5.0  
2500 // 0  
1500 // 2.5  
1750 // 0.35 5.0  
2500 // 0  
560 // 6.0  
600 // 2.3  
1200 // 1.8  
1200 // 1.0  
7.5  
2.5  
±15  
PART NUMBER FORMAT  
Example: 21MQ7.5A  
Centre 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 (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 info@euroquartz.co.uk www.euroquartz.co.uk  

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