Crystals in ceramic SMD packages

Typical application
Telecommunications
Features
Small size ceramic package designed for SMD,
hermetic sealing by seam welding

Assembly, taping
Crystals in ceramic SMD packages can by deliver in tapes wound on reels, suitable for automatic assembly.

Typical specifications

Type	Ceramic SMD package
Case	KX7	KX6	KX7, KX6	KX7, KX6
Overtone	1.	1.	3.	5.
Frequency range	8-40 MHz	10-40 MHz	25-120 MHz	75-160 MHz
Freq. adjustment tolerance at 25 °C	±10, ±15, ±20, ±50, ±100 x 10-6
Frequency stability	see table 1
Equivalent series resistance	see table 2
Aging	±1, ±2, ±3 ppm/year
Storage temperature range	-40 ... +90 °C
Load capacitance	series resonance, CL=10 ... 40 pF
Shunt capacitance	7 pF max.
Drive level	100 µW max.

Differences from standard values and other parameters can be consulted.


Frequency stability in temperature ranges (table 1)

Temperature range [°C]		Frequency stability [ppm]
		± 5	± 7.5	± 10	± 15	± 20	± 30	± 50	± 100
		1	2	3	4	5	6	7	8
-10 ... +60	A
-20 ... +60	B
0 ... +70	C
-10 ... +70	D
-20 ... +70	E
-30 ... +60	F
-20 ... +85	G
-30 ... +70	H
-30 ... +85	I
-40 ... +85	J
-40 ... +90	K
-40 ... +105	L

Equivalent series resistance (ESR_max) (table 2)

Frequency [HMz]	Overtone	KX7	KX6
8 ... 10	1.	70 Ω	-
10 ... 15	1.	60 Ω	60 Ω
15 ... 22	1.	50 Ω	60 Ω
22 ... 30	1.	40 Ω	50 Ω
30 ... 40	1.	30 Ω	40 Ω
25 ... 30	3.	50 Ω	50 Ω
30 ... 50	3.	50 Ω	50 Ω
50 ... 80	3.	60 Ω	80 Ω
75 ... 160	5.	80 Ω	80 Ω