1.2

HF26

HF39

HF38

HF310

Features:

- Wide frequency range

- Low cost to performane

- Excellent for clock frequency generation

- Very low profile

Remarks: All specifications subject to change without notice!

Drawing

HF26 / HF38 / HF39 / HF310

Dimensions in mm

Quartz THT

Resistance of series resonance (ESR)

Frequency (MHz)

Mode

Ohm max

Frequency (MHz)

Mode

Ohm max

3.5 <= f < 4.0

Fundamental

180

12 <= f < 14

Fundamental

60

4.0 <= f < 5.0

Fundamental

150

14 <= f < 16

Fundamental

50

5.0 <= f < 8.0

Fundamental

100

16 <= f < 28

Fundamental

40

8.0 <= f < 10

Fundamental

80

28 <= f < 36

3rd OT

100

10 <= f < 12

Fundamental

70

36 <= f < 60

3rd OT

80

Order key

Q

- 28.000000M - HF26

- F

- 30

- 50

- D

- 30

- MJ

Part

Frequency

Package

Mode of

Frequency

Temperature

Temperature

Load

Option

oscillation

tolerance

tolerance

range

capacitance

Q=Quartz

M=MHz

HF26

F=fund.

+/-ppm

+/-ppm

A=

0°C ~ 70°C

pF

MJ=Metal jacket

HF38

3=3.OT

(25°C)

(Temp. range)

B=-10°C ~ 60°C

SR=series

X=Special options

HF39

C=-10°C ~ 70°C

HF310

D=-20°C ~ 70°C

E=-40°C ~ 85°C

H=-20°C ~ +80°C

I=-10°C ~ +50°C

Specifications

Symbol HF26 / HF38 / HF39 / HF310

Frequency range

f

3.5790 MHz ~ 28.000 MHz

27.001MHz ~ 60.000MHz

Frequency tolerance,Ta=25°C

Df/f

±10ppm ~ ± 50ppm

Load capacitance

CL

10pF ~ 20pF

Temperature tolerance

Df/f

±10ppm ~ ± 50ppm

Temperature range

Storage temperature

-40°C ~ +85°C

Operating temperature

-20°C ~ +70°C (Std.)

Drive level

Maximum drive level

-

Recommended drive level

10mW ~ 100mW

Series resistance

As per table

Shunt capacitance

5pF

Insulation resistance

500M Ohm

Aging

± 5ppm/Year

Remarks

Fundamental mode

3rd overtone mode

Please specify

Please specify

Please specify

Others are offered

25°C

Max

Min

Others are offered