SHOULDER ELECTRONICS CO., LTD.
CRYSTAL FILTER
Data Sheet
PRODUCT
产 品:
CRYSTAL FILTER
MODEL NO
型 号:
UM-1-45M
PREPARED
编 制:
CHECKED
审 核:
APPROVED
批 准:
DATE
日 期:
2007-01-25
Fengyu
York
Http://www.shoulder.cn
SHOULDER ELECTRONICS CO., LTD.
1. SCOPE
This specification shall cover the characteristics of crystal filter with P/N:
UM-1-45M15B
2. ELECTRICAL SPECIFICATION
ITEM
Holder type
Central Frequency
Number of pole
Pass Bandwidth
Stop Bandwidth
Ripple
Insertion Loss
Terminating Impedance
Operating temperature
Aging in one year
SPECIFICATION
UM-1
45.0MHz
4 poles
3dB/
±7.50KHz
min.
40dB/
±22.0KHz
max.
1.5dB max.
3.0dB max.
560Ω//3.0 pF//10pF
-20~+70
℃
3ppm/year
3. DIMENSION
A
UM-1
7.8±0.2
B
3.0±0.2
C
7.8±0.2
D
12.5±1.0
E
Φ0.35±0.05
F
3.75±0.2