Crystal Holder Prefix

Thru-hole types

Surface mount types

UM-1 holder 8.0mm(0.315”)

UM-5 holder 6.0mm(0.236”)

U1SM:bent-lead gull wing UM-1 holder

U5SM: bent-lead gull wing UM-5 holder

Frequency range

Frequency

UM-1,UM-1SMD,1.0~1.2MHz,4.0~200.0MHz  UM-5:10.0~200.0MHz

OSC.mode

E.S.R. max

Frequency

Osc mode

E.S.R.max

UM-1.UM-1SMD

Equivalent series

Resistance (E.S.R.)

1.0~1.2

SL-cut funda

5K OHM

10.0~10.99

At-cut funda

60ohm

4.0~4.9

AT-cut funda

150OHM

11.0~12.9

At-cut funda

40ohm

5.0~5.9

AT-cut funda

120 OHM

13.0~45.0

At-cut funda

25ohm

6.0~6.9

AT-cut funda

100 OHM

30.0~50.0

AT-cut 3rd O/T

40ohm

7.0~7.9

AT-cut funda

90OHM

50.1~100.0

AT-cut 3rd O/T

50ohm

8.0~9.9

AT-cut funda

80OHM

80.0~200.0

AT-cut 5th O/T

80ohm

UM-5 and U5SM

Equivalent series resistance (ESR)

frequency

OSC.mode

E.S.R. max

frequency

Osc mode

E.S.R max

10.0~11.99

At-cut funda

60ohm

90.0~135.0

AT-cut 3rd O/T

40OHM

12.0~14.99

At-cut funda

50ohm

90.0~159.9

AT-cut 3rd O/T

100OHM

15.0~35.0

At-cut funda

30ohm

160.0~200.0

AT-cut 5th O/T

80OHM

35.0~89.99

AT-cut 3rd O/T

60ohm

Calibration tolerance

SL-cut: ±50ppm at +25 centigrades

AT-cut: ±3 ±5, ±10, ±30ppm at +25 centigrade

Frequency stability

SL-cut: ±100 ppm over -10 to +60 centigrades

AT-cut: ±30ppm over -10 to +60 centigrades. Stability as tight as±2.5ppm over -10to +60centigrades for pager and telecommunication applications is also available.

Shunt Capacitance(CO)

7 Pf maximum

Load capacitance(CL)

Parallel. If parallel please specify CL value. Typical CL ranges from 8to 32pf

Drive level

100 ppm W

aging

±2ppm per year maximum