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actual size
SMD Quartz Crystal · J49SMH
- 2 pad version, 11.5 x 4.8 mm
- low cost SMD type
- reflow soldering temperature: 260 °C max.
- package height 4.0 mm max.
RoHS
2011/65/EC
RoHS compliant Pb free
REACH
compliant
mineral free
GENERAL DATA
TYPE
frequency
range
fund. AT-cut
frequency tolerance at 25 °C
load capacitance CL
shunt capacitance CO
storage temperature
drive level max.
aging
LOAD CAPACITANCE CODES
12 pF : A
18 pF : F
30 pF : P
DIMENSIONS
J49SMH
4.0 MHz
8.0 MHz
12.0 MHz
16.0 MHz
20.0 MHz
24.0 MHz
25.0 MHz
±30 ppm
12 pF / 18 pF / 30 pF
< 5 pF
-40 °C ~ +125 °C
500 µW (100 µW recommended)
< ±5 ppm first year
frequency
in MHz
vibration
mode
ESR max.
4.0 MHz
8.0 MHz
12.0 MHz
16.0 MHz
20.0 MHz
24.0 MHz
25.0 MHz
fund. - AT
fund. - AT
fund. - AT
fund. - AT
fund. - AT
fund. - AT
fund. - AT
80
50
35
30
30
30
30
FREQUENCY STABILITY VS. TEMPERATURE
Stability code
FREQUENCY TOLERANCE
OPERATING TEMPERATURE
Frequency tolerance code
G
±30 ppm
Operating temperature code
ESR typ.
60
25
15
10
10
10
10
G
±30 ppm
K
-40OC - +85OC
12.5±0.3
4.4±0.1
10.1 max.
11.7 max. Z
Z
3.7±0.3
5.5 ±0.1
5.5 ±0.1
top view
side view
side view
bottom view
pad layout
in mm
ORDER INFORMATION
J49SMH-A-G-G-K-4MO
J49SMH-P-G-G-K-12MO
J49SMH-F-G-G-K-24MO
J49SMH-F-G-G-K-4MO
J49SMH-A-G-G-K-16MO
J49SMH-P-G-G-K-24MO
J49SMH-P-G-G-K-4MO
J49SMH-F-G-G-K-16MO
J49SMH-A-G-G-K-25MO
J49SMH-A-G-G-K-8MO
J49SMH-P-G-G-K-16MO
J49SMH-F-G-G-K-25MO
J49SMH-F-G-G-K-8MO
J49SMH-A-G-G-K-20MO
J49SMH-P-G-G-K-25MO
J49SMH-P-G-G-K-8MO
J49SMH-F-G-G-K-20MO
J49SMH-A-G-G-K-12MO
J49SMH-P-G-G-K-20MO
J49SMH-F-G-G-K-12MO
J49SMH-A-G-G-K-24MO
Ordering example:
J49SMH-A-G-G-K-4M0
J49SMH, 12pF Load Capacitance, 30ppm Freq tolerance, 30ppm Freq stability, -40-85 operating temp, 4MHz
22032019
Jauch Quartz GmbH • e-mail: info@jauch.dcoem • full data canfublledfaotuancdaunnbdeerf:owunwdwu.jnaduecrh:.com
All specifications are subject to change without notice www.jauch.de | www.jauch.co.uk | www.jauch.fr | www.jauchusa.com

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SMD Quartz Crystal · J49SMH
TAPING SPECIFICATION
ø1.5±0.1
2.0 ±0.1
4.0±0.1
0.4±0.1
5.8 max.
1000 pcs per reel
8.0±0.2
ø2.2±0.2
Direction of feed
4.5±0.2
REFLOW SOLDERING PROFILE
temperature (°C)
10 s max.
260
260 °C max.
200
150
100 60 ~ 180 s
18 °C
60 s max.
50
time (s)
note: parts are also suitable for soldering systems with lead (Pb) content
MARKING
frequency with load capacitance code
company code / date code / internal code
2019
2020
2021
2022
Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec.
abcde f gh j k lm
npq r s t uvwx y z
ABCDE FGH J K LM
N PQR S T UVWX Y Z
120°
2.0
ø 21
25.5
in mm
22032019
Jauch Quartz GmbH • e-mail: info@jauch.dcoem • full data canfublledfaotuancdaunnbdeerf:owunwdwu.jnaduecrh:.com
All specifications are subject to change without notice www.jauch.de | www.jauch.co.uk | www.jauch.fr | www.jauchusa.com