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Specification
AXX49SMD
Issue: 01 Date: 2005-01-15
Oscillator type : SMD Quartz Crystal Unit with low profile
Parameter
min. typ. max. Unit Condition
Frequency range
Crystal cut
Mode
Load capacitance CL
Adjustment tolerance
3.579
90
AT/BT
AT1 3.579 ~ 35
BT1 20 ~ 40
AT3 25 ~ 90
5 ~ 50 pF or Series
± 5 ~ ± 50
MHz
MHz
MHz
MHz
pF
ppm
AT Fundamental mode
BT Fundamental mode
AT 3rd overtone
See ordering code
See ordering code
Frequency stability
Frequency stability over temperature range
operating temperature range (steady state)
long term (aging)
Resonance resistance Rr max
Motional capacitance C1
Static capacitance C0
Drive level
Insulation resistance
Storage temperature range
± 3 ~ ± 50
-40 +105
±2 ±5
7
0,01 100 1000
500
-45 +105
ppm
°C
ppm
fF
pF
µW
M
°C
See Table 1
See Table 1
per year
See Table 2
100 V DC
Enclosure (see drawing)
Can height
Flange width
marking
Packing
HC-49S
SMD4: L=4.5 max
SMD3: L=3.5 max
max. 4.8
Frequency (MHz)
AXX49SMD
wwAXyy
Bulk / Tape & reel
mm
mm
mm.
IEC 60122-3 Type EH
Side 1
Date Code & MfG Code
T&R On request
Notes:
1. Terminology and test conditions are according to IEC standard IEC60122-1, unless otherwise stated
2. Measurement technique according to IEC 60444-5 or equivalent
Table 1: Frequency Stability over Temperature
ppm ± 3 ± 5 ± 7 ± 10 ± 15 ± 20 ± 30 ± 50
°C Code 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
●●●●●
0 ~ + 85 I
●●●●●
-40 ~ + 85 J
●●●●
-40 ~ + 90 K
●●●
-40 ~ + 105 L
●●
Table 2: Resistance Rr
Frequency
[MHz]
3.579 ~ 3.999
4.0 ~ 4.999
5.0 ~ 5.999
6.0 ~ 7.999
8.0 ~ 9.999
10.0 ~ 14.999
15.0 ~ 35
20 ~ 40
25 ~ 90
Mode
AT1
AT1
AT1
AT1
AT1
AT1
AT1
BT1
3rd
Rrmax
[Ω]
150
130
120
100
80
60
40
40
70
GmbH & Co. KG
Wasemweg 5
D-74821 Mosbach
Germany
AXX49SMD
page 1(2)
www.axtal.com
fon: +49 (6261) 939834
fax: +49 (6261) 929836
E-mail: info@axtal.com

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Ordering Code:
Type
Frequency
SMD4, SMD3 [MHz]
Height options
Load
capacitance
SR: Series
18: 18 pF
AXX49SMD4 4.000
18
Mode
AT1
BT1
AT3
AT1
Adjustment
Tolerance
[±ppm]
Freq. stability
over temperature
Code :Table 1
Packing
B: Bulk
T&R: Tape& Reel
10 A3
T&R
Enclosure drawing :
Environmental conditions
Test
IEC 60068 IEC 61178-1
Part ...
clause ...
Visual inspection,
dimensions
4.5
4.6
Sealing tests
2-17
4.8.2
Solderability
Resistance to
soldering heat
Shock
2-20
2-27
4.8.3
4.8.8
Bump
2-29
4.8.6
Free fall
2-32
4.8.9
Vibration,
sinusoidal
2-6 4.8.7
Rapid change of
temperature
2-14
4.8.5
Dry heat
2-2 4.8.11
Damp heat, cyclic
Cold
2-30
2-1
4.8.12
4.8.13
Climatic sequence 1-7
4.8.14
Damp heat, steady
state
Endurance tests
- ageing
- extended aging
2-3
4.8.15
4.9.1
4.9.2
Test conditions
Enclosure styles as in IEC
60122-3, if applicable
Gross leak: Test Qc,
Fine leak: Test Qk
Test Ta (235 ± 5)°C Method 1
Test Tb Method 1A, 5s
Test Ea, 3 x per axes 100g, 6
ms half-sine pulse
Test Eb, 4000 bumps per
Axes, 40g, 6 ms
Test Ed procedure 1,
2 drops from 1m height
Test Fc, 30 min per axes,
10 Hz - 55 Hz 0,75mm; 55 Hz
- 1 kHz, 10g
Test Na, 10 cycles at
extremes of operating
temperature range
Test Ba, 16 h at upper
temperature indicated by
climatic category
Test Db variant 1 severity b),
55°C/95% r.H., 6 cycles
Test Aa, 2 h at lower
temperature indicated by
climatic category
Sequence of 4.8.11, 4.8.12
(1st cycle), 4.8.13, 4.8.12 (5
cycles)
Test Ca, 56 days
30 days @ 85°C
1000h, 2000h, 8000h @85°C
GmbH & Co. KG
Wasemweg 5
D-74821 Mosbach
Germany
AXX49SMD
page 2(2)
www.axtal.com
fon: +49 (6261) 939834
fax: +49 (6261) 929836
E-mail: info@axtal.com