Datenblatt

A-1130 Wien
Lilienberggasse 13
Tel.: +43-1-403 08 12
Fax: +43-1-408 72 13
e-mail: info@knap.at
http://www.knap.at
Wolfgang Knap
Gesellschaft m.b.H. & Co.KG
Miniatur SM-Uhrenquartz
miniature SM clock crystal
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kleine Bauform, hohe Packungsdichte
stabiles Schwingverhalten
hervorragende Zuverlässigkeit
weiter Betriebstemperaturbereich
2,5 mm Bauhöhe - gleich mit SM-IC’s
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small outline for high density mounting
stable performance
excellent reliability
wide operating temperature range
2,5mm thickness - equal to SM IC’s
Abmessungen / dimensions
M3
Part no.
M3K032761CVVDFF0
Package type
M3
Nominal frequency
F
32,768 kHz
Frequency tolerance at +25°C Δf/F
±20 ppm
Load capacitance
CL
12,5 pF
Series resistance
RS
50 kOhm max.
Drive level
P
1,0 µW max.
Quality factor
Q
50.000 min.
Turnover temperature
Tt
+25°C ±5°C
Parabolic curvature constant
-0,034ppm±0,006ppm/K² typ.
β
Shunt capacitance
C0
2,5 pF max.
Aging
Δf/F
≤ ±3 ppm in first year
Operating temperature range
TO
-40°C to +85°C
Storage temperature range
TS
-40°C to +105°C
Reflow soldering condition
TR
10 seconds max. at +260°C
RoHS
konform / conformal
Anschlußschema / schematics
8,0 max.
#4
#3
#1
#2
3,8
max.
#4
#1
#2
#2,3 n.c.
0,5
Bestellbezeichnung Lagertypen
order code stock items
2,5
max.
0,5
#3
0,9
5,5
M3K032761CVVDFF0 ±20ppm 12.5pF
Layoutvorschlag
suggested soldering pad
XY-Cut
-20 -10
Lötprofil
lead-free solder profile
Temperature (°C)
0 +10 +20 +30 +40 +50 +60 +70 +80
1,9 1,3 1,9
0
-10
-20
-30
-40
-50
-60
1,3
4,2
1,3
-70
-80
Δ f/f (ppm)
TYPICAL TEMPERATURE CHARACTERISTICS
Dokumentname: m3_wk.doc
Seite 1 von 1
Ausgabedatum: 11-08-22