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参数资料
| 型号： | MC-146FREQA-AG3:ROHS |
| 元件分类： | Quartz Crystal |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 0.032 MHz - 0.1 MHz |
| 文件页数： | 1/3页 |
| 文件大小： | 379K |
Actual size
http://www.epsontoyocom.co.jp
Crystal unit
11
Specifications (characteristics)
Item
Symbol
Specifications
Remarks
Nominal frequency range
f
32.768 kHz
32 kHz to 100 kHz
Please contact us for inquiries regarding available
frequencies
Storage temperature
T_stg
-55
°C to +125 °C
Stored as bare product after unpacking
Temperature
range
Operating temperature
T_use
-40
°C to +85 °C
Level of drive
DL
1.0
W Max.
Operating Drive level 0.5
W Max.
Frequency tolerance (standard)
f_tol
± 20 × 10-6, ± 50 × 10-6
± 50 × 10-6, ± 100 × 10-6
+25
°C, DL=0.1 W
Turnover temperature
Ti
+25
°C ± 5 °C
Parabolic coefficient
B
-0.04
× 10-6 / °C2 Max.
Load capacitance
CL
7 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
C0
0.8 pF Typ.
1.2 pF to 0.5 pF
Frequency aging
f_age
±3 × 10-6 / year Max.
+25
°C, First year
External dimensions
(Unit:mm)
.
Footprint (Recommended)
(Unit:mm)
MC-146
MC-156
kHz RANGE CRYSTAL UNIT
LOW PROFILE SMD
MC - 146 / 156
Frequency range
: 32.768 kHz (32 kHz to 100 kHz)
Thickness
: 1.4 mm Max. (MC-146)
: 1.5 mm Max. (MC-156)
Overtone order
: Fundamental
Applications
: Small communications devices
Lead(Pb)-free
: Contains high melting temperature type
solder (Pb85 %) exempted by RoHS directive.
#1
#2
#3
#4
2.
50
3.
3
M
ax
.
1.
3
0
1.
5
M
ax
.
(0.75)
1.6
5.08
7.1 Max.
0.4
(0.75)
MC-156
#1
#2
#4
#3
Internal c onnection
0.
55
6.7
#1
#2
#3
#4
1.
5M
ax
.
0.
15
1.
4M
ax
.
#1
0.4
0.1
7.0 Max.
0.
3
0.
3
#4
#3
#2
0.4
0.
2
5
0.2
#1
#2
#4
#3
Internal connection
MC-146
Metal may be exposed on the top or bottom of this product. This will not affect any quality, reliability or electrical spec.
Do not connect #2 and #3 to external device.
E A 9 9
E A 8 9
MC-146
MC-156
1.2
5.1
1.2
0.6
0.3
1.2
3.88
1.
5
1.
5
1.
0
1.2
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