CRYSTAL FILTER
UM-1, UM-5, UM-4 SERIES

Features
Small size, Light weight.
Wide frequency range.
Resistance weld hermetic seal.
RoHS compliant and lead free.  

12.5kHz CHANNEL SPACING
TYPE FREQ. POLES PASS BAND
WIDTH
STOP BAND
WIDTH
RIPPLE LOSS HOLDER
      dB kHz dB kHz dB dB  
10R08A 10.7 MHz 2 3 ±3.75kHz 20 ±18kHz 2.0 2.0 UM-1
21R08A 21.4 MHz 2 3 ±3.75kHz 20 ±18kHz 0.5 1.5 UM-1
21R08B 21.4 MHz 4 3 ±3.75kHz 40 ±14kHz 1.0 2.5 UM-1*2
45R08A 45.0 MHz 2 3 ±3.75kHz 10 ±12.5kHz 1.0 2.5 UM-1
45R08B 45.0 MHz 4 3 ±3.75kHz 30 ±12.5kHz 1.0 4.0 UM-1*2

25.0kHz CHANNEL SPACING
TYPE FREQ. POLES PASS BAND
WIDTH
STOP BAND
WIDTH
RIPPLE LOSS HOLDER
      dB kHz dB kHz dB dB  
21R15A 21.4 MHz 2 3 ±7.5kHz 18 ±25kHz 0.5 1.5 UM-1
21R15B 21.4 MHz 4 3 ±7.5kHz 40 ±25kHz 1.0 2.5 UM-1*2
45R15A 45.0 MHz 2 3 ±7.5kHz 15 ±25kHz 1.0 2.0 UM-1
45R15B 45.0 MHz 4 3 ±7.5kHz 30 ±25kHz 1.0 3.0 UM-1*2

50.0kHz CHANNEL SPACING
TYPE FREQ. POLES PASS BAND
WIDTH
STOP BAND
WIDTH
RIPPLE LOSS HOLDER
      dB kHz dB kHz dB dB  
21R30A 21.4 MHz 2 3 ±15kHz 15 ±45kHz 0.5 1.5 UM-1
21R30B 21.4 MHz 4 3 ±15kHz 40 ±50kHz 1.0 2.5 UM-1*2
45R30A 45.0 MHz 2 3 ±15kHz 15 ±50kHz 1.0 2.0 UM-1
45R30B 45.0 MHz 4 3 ±15kHz 40 ±60kHz 1.0 3.0 UM-1*2

 
Dimensions