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Quartz Crystal Devices / Quartz Crystal Filter / MCF /

UM-1 / UM-5 DIP TYPE 2 pole
Monolithic Crystal Filter

Standard package
Available with formed leads and mounting
Parameters
Model Nominal
Frequency
MHz
Pass Hand
Width
KHz/dB
Slop Band
Width
KHz/dB
Ripple
dB
Insertion
Loss
dB
Terminal
Impedance
Rl/Ct [Ω/pF]
Operating
Temp. Range
°C
Mode of
Oscillation
Pole
FT21M07A 21.400 ±3.75/3 ±14/18 0.5 1.5 850/7 -20°C-70°C Fund 2
FT21M09A 21.400 ±4.50/3 ±12.5/14 0.5 1.5 850/7 -20°C-70°C Fund 2
FT21M12A 21.400 ±6.00/3 ±20/15 0.5 1.5 1200/2.5 -20°C-70°C Fund

2

FT21M15A1 21.400 ±7.50/3 ±25/18 0.5 1.5 1500/3 -20°C-70°C Fund 2
FT21M15A2 21.400 ±7.50/3 ±30/18 0.5 2.0 1500/3 -20°C 70°C Fund

2

FT21M15A3 21.400 ±7.50/3 ±30/18 1.0 2.0 1500/2.0 -20°C 70°C Fund 2
FT21M20A 21.400 ±10.0/3 ±25/10 0.5 1.5 1800/1.5 -20°C 70°C Fund 2
FT21M30A 21.400 ±15.0/3 ±45/15 0.5 1.5 3000/0.5 -20°C-70°C Fund 2
FT21P07A 21.600 ±3.75/3 ±14/18

0.5

1.5 850/7 -20°C-70°C Fund 2
FT21P12A 21.600 ±6.00/3 ±20/15 0.5 1.5 1200/2.5 -20°C-70°C Fund 2
FT21P15A 21.600 ±7.50/3 ±25/18 0.5 1.5 1500/3 -20°C-70°C Fund 2
FT21T07A1 21.700 ±3.75/3 ±14/18 0.5 1.5 850/7 -20°C-70°C Fund 2
FT21T07A2 21.700 ±3.75/3 ±15/18 0.5 1.5 850/7 -20°C-70°C Fund 2
FT21T09A 21.700 ±4.50/3 ±12.5/14 0.5 1.5 1500/4 -20°C-70°C Fund 2
FT21T12A 21.700 ±6.00/3 ±20/15 0.5 1.5 1200/2.5 -20°C-70°C Fund 2
FT21T15A 21.700 ±7.50/3 ±25/18 0.5 1.5 1500/3 -20°C-70°C Fund 2
FT21T20A 21.700 ±10.0/3 ±25/10 0.5 1.5 1800/1.5 -20°C-70°C Fund 2
FT21T30A 21.700 ±15.0/3 ±45/15 0.5 1.5 3000/0.5 -20°C-70°C Fund 2
FT21S07A 21.750 ±3.75/3 ±25/18 0.5 1.5 1500/3 -20°C-70°C Fund 2
FT23M07A 23.050 ±3.75/3 ±12.5/16 0.5 1.5 1600/5 -20°C-70°C Fund 2
FT23M15A 23.050 ±7.50/3 ±25/18 0.5 1.5 1500/3 -20°C-70°C Fund 2
FT30M15A 30.875 ±7.50/3 ±25/15 0.5 1.5 800/6 -20°C-70°C Fund 2
FT45M07A 45.000 ±3.75/3 ±12.5/10 0.5 1.5 510/5.5 -20°C-70°C Fund or
3 overtone
2
FT45M15A 45.000 ±7.50/3 ±25/14 0.5 1.5 550/3 -20°C-70°C Fund 2
FT45M30A 45.000 ±15.0/3 ±50/10 0.5 1.5 510/5.5 -20°C-70°C Fund 2


Test Circuit

Pass Band Filter Spec-Drawing