TUNING FORK TYPE

3X8 mm and 2X6mm are available

SPECIFICATIONS

TYPE

3x8mm

3x8mm

2x6mm
Nominal Frequency

32.768kHz

30~150kHz

32.768kHz
Frequency Tolerance

GRADE A 20ppm
GRADE B 30ppm

*

GRADE A 20ppm
GRADE B 30ppm
Load Capacitance

12.5pF(typ.)
Drive Level

1W max.
Series Resistance

30k

*

45 k
Q-Factor

80,000 (typ.)
50,000 min

80,000 (typ.)
50,000 min

70,000 (typ.)
40,000 min.
Turnover Temperature

25C 5

25C 5C

25C 5C
Parabolic Curveture Constant

-0.042ppm / C2 / typ.
Shunt Capacitance

1.3pF(typ.)
2.0pFmax.

1.3pF(typ.)
2.0pFmax.

1.1pF(typ.)
1.8pFmax.
Capacitance Ratio

460(typ.)
650max.

460(typ.)
650max.

430(typ.)
650max.
Operating Temperature Range

-10C~+60C
Storage Temperature Range

-30C~+70C
Shock Resistance

3ppm max. NATURAL DROP 3 TIMES ON THE HARD
BOARD FROM THE HEIGHT OF 75cm
Insulation Resistance

500M min./DC100V

* separate negotiation

TUNING FORK.jpg (36960 bytes)

Dimensions:unit=mm
3X8

3x8.jpg (17402 bytes)

 2X6

2x6.jpg (19008 bytes)

ALL DIMENSIONS ARE IN MM.

.

FREQUENCY CHANGE VS
LOAD CAPACITANCE (TYPICAL)
p_4a.gif (10250 bytes)
LOAD CAPACITY (CL) IN PF		 TEMPERATURE CHARACTERISTICS
(TYPICAL)
p4_b.gif (9480 bytes)
TEMPERATURE INC
All specifications subject to change without notice.