Crystal Units
AT-41 / AT-41CD2
■
Features
A highly stable and reliable low-height crystal unit with a metallic
package, also suitable for surface mounting.
● Compatible with surface mounting.
● Airtight metal package ensures high-reliability.
● Taping package is for customer automatic loading operation.
● AT-41CD2 meets the requirements for re-flow profiling using lead-
free solder.
AT-41
AT-41CD2
For OA / AV
■
Specifications
Item
Nominal Frequency
Overtone Order
Frequency Tolerance (25 ±3 °C)
Frequency versus Temperature Characteristics
(with reference to +25 °C)
Operating Temperature Range
Storage Temperature Range
Equivalent Series Resistance
Level of Drive
Load Capacitance
Specifications Number
*1 Equivalent Series Resistance
Overtone Order
Nominal Frequency (MHz)
3 to 3.2
3.2 to 3.5
3.5 to 4
4 to 4.5
4.5 to 5
5 to 6
6 to 8
8 to 10
10 to 12
12 to 37
26 to 35
35 to 48
48 to 75
Equivalent Series Resistance max. [Ω]
400
200
150
120
100
80
70
60
50
40
140
100
80
16 pF
STD-LPH-9
Model
3 to 37MHz
Fundamental
AT-41
26 to 60MHz
±20 × 10
−6
±30 × 10
−6
−10 to +70 °C
−40 to +85 °C
Refer to *1
Refer to *2 (Max. 1000 μW)
Series resonance
STD-LPH-10
STD-LPH-11
16 pF
LN-L-0002
60 to 75MHz
3 to 37MHz
Fundamental
3rd overtone
AT-41CD2
26 to 60MHz
±20 × 10
−6
±30 × 10
−6
−10 to +70 °C
−40 to +85 °C
Refer to *1
Refer to *2 (Max. 1000 μW)
Series resonance
STD-LPH-3
STD-LPH-5
60 to 75MHz
3rd overtone
*2 Drive Level
Overtone
Order
Fundamental
3rd overtone
Nominal
Frequency
(MHz)
3 to 5
5 to 37
26 to 60
60 to 75
Drive Level
(μW)
500
50
500
10
Fundamental
3rd overtone
■
Dimensions
AT-41
3.68max
mm
AT-41CD2
3.9max
10.21max
mm
-0.2 to +0.3
13.2±1
4.0±0.5
0.75±0.3
12.7±0.6
11.4±0.3
φ0.45±0.05
4.88±0.2
11.05max
4.70max
4.8±0.2
Land pattern (Typical)
6.0
2.0
4.88±0.2
9.0
Please specify the model name, frequency, and specification number when you order products.
For further questions regarding specifications, please feel free to contact us.
120306_AT-41_e
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