MC-146 Datasheet, PDF (1/2 Pages) Epson ToYoCom – kHz RANGE CRYSTAL UNIT LOW PROFILE SMD

Crystal unit
kHz RANGE CRYSTAL UNIT
LOW PROFILE SMD
MC - 146 / MC - 156
Frequency range : 32.768 kHz (32 kHz to 100 kHz)
External dimension : 7.0 × 1.5 × 1.4 mm ···MC-146
: 7.1 × 3.3 × 1.5 mm ···MC-156
Overtone order
: Fundamental
Applications
: Small communications devices
Product Number (please contact us)
MC-146 : Q1xMC1462xxxx00
MC-156 : Q1xMC1562xxxx00
Actual size
MC-146
MC-156
Specifications (characteristics)
Item
Nominal frequency range
Storage temperature
Symbol
f_nom
T_stg
Specifications
32.768 kHz
32 kHz to 100 kHz
-55 C to +125 C
Conditions / Remarks
Please contact us about available frequencies.
Storage as single product.
Operating temperature
T_use
-40 C to +85 C
Level of drive
Frequency tolerance (standard)
DL
1.0 W Max.
Operating Drive level 0.5 W Max.
f_tol  20  10^-6,  50  10^-6  50  10^-6,  100  10^-6 +25 C, DL=0.1 W
Turnover temperature
Ti
Parabolic coefficient
B
+25 C  5 C
-0.04  10^-6 / C² Max.
Load capacitance
CL
7 pF, 9 pF, 12.5 pF
Please specify
Motional resistance (ESR)
R1
65 k Max.
65 k to 25 k
Motional capacitance
C1
1.9 fF Typ.
2.5 fF to 0.6 fF
Shunt capacitance
Frequency aging
C0
f_age
0.8 pF Typ.
3  10^-6 / year Max.
1.2 pF to 0.5 pF
5  10^-6 / year Max. +25 C, First year
External dimensions
.
MC-146
#4
#3
EA99
Internal connection
(TOP VIEW)
#4
#3
#1
0.1
6.7
#2
7.0 Max.
0.1
#1
#2
MC-156
7.1 Max.
#4
#3
EA96
#1
#2
Internal connection
(TOP VIEW)
#4
#3
#1
#2
(Unit:mm)ç
0.4
0.2
0.4
0.2
0.4
5.08
#1
#2
#4
#3
0.2
Do not connect #2 and #3 to external device.
The metal case inside of the molding compound may be exposed on the top or bottom of this product.
This purely cosmetic and does not have any effect on quality, reliability or electrical specs.
Footprint (Recommended)
(0.75)
1.6
(0.75)
(Unit:mm)ç
MC-146
MC-156
1.2
5.1
1.2
1.2
3.88
1.2