Quartz Crystal
Holder Code U, SEAM SEALED CERAMIC 7.0 X 5MM SMD
FEATURE
Ultra thin, thickness 1.0mm
Leadless type
High precision characteristic covering up to high
frequency range
Automatic mounting
Embossed taping specification
Reflow soldering
Lead Free & RoHS Compliant
APPLICATIONS
Ideally suited designed for disc drives, NB, PCs and hand-held electronic products
ELECTRICAL SPECIFICATIONS
Output Frequency Range
Mode
Frequency Tolerance (at 25°C)
Frequency Stability Over Operating
Temperature Characteristics
Storage Temperature Range
Operable Temperature Range
Shunt Capacitance (C
0
)
Driver Level (Typical)
Load Capacitance(C
L
)
E uv ln S r sR s tn eE R (
q iae t ei e i a c S Ω)
e
s
st
Aging @25°C
1
year (Max)
Shock Resistance
6.000
MHz to 110.000 MHz
see Table 1*
±10ppm ~ ±50ppm Max
-10°C ~+60°C ±30ppm,
-20°C ~+70°C ±50ppm or specify
-55
°C
to +125
°C
-10°C to +60°C
~ -40°C
to +85
°C
5.0 pF Max
10µW~100µW
Series, 16pF, 20pF, 30pF, 32pF, or
specify
see Table 1*
±3ppm, ±5ppm/year
Drop test of 3 times on 2mm stainless
plate from 75cm height
REMARK:
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. PLEASE CONFIRM WITH OUR SALES ENGINEER.
Frequency and Equivalent Series Resistant
Frequency Range
6.000 MHz ~ 15.999 MHz
16.000 MHz ~ 32.000 MHz
30.000 MHz ~ 44.999 MHz
45.000 MHz ~ 89.999 MHz
90.000 MHz ~ 110.000 MHz
ES R (
. . . Ω)
40 Max
35 Max
80 Max
70 Max
75 Max
Mode
Fundamental / AT
Fundamental / AT
Third Overtone / AT
Third Overtone / AT
Third Overtone / AT
DB Lectro Inc. 3755 Place Java, Suite 140, Brossard, Québec, J4Y 0E4, Canada - T: 1-450-444-1424 / F: 1-450-444-4714 / www.dblectro.com
Dimension
Reference Land Pattern
Reflow Condition
PACKING
DB Lectro Inc. 3755 Place Java, Suite 140, Brossard, Québec, J4Y 0E4, Canada - T: 1-450-444-1424 / F: 1-450-444-4714 / www.dblectro.com
CRYSTAL PART NUMBER SYSTEM
HOLDER DESCRIPTION
CERAMIC
7.0X5.0mm SMT
CODE
U
PART NUMBER EXPLANATION - HOW TO ORDER
3,5795MHZ 17PF 30PPM/50PPM FUNDAMENTAL BULK (ROHS COMPLIANT)
D3U5795-17305EFB-G
D
DB LECTRO Inc.
3U5795
FIRST FIVE NUMBERS OF THE FREQUENCY WITH HOLDER CODE AT DECIMAL POINT
-
"-" REGULAR PACKAGE
"I" ISOLATED WITH WASHER
"V" VINYL SLEEVE
"C" CUT LEAD
"T" THIRD LEG GROUND
LOAD CAPACITANCE (17PF)
17
FREQUENCY TOLERENCE (30PPM)
30
FREQUENCY STABILITY AT OPERATING TEMPERATURE:
0=5PPM
5
OPERATING TEMPERATURE RANGE
1=10PPM
E
"E" EXTENDED TEMP.
-40°C+85°C
2=20PPM
"Blank" TYPICAL TEMP. -20°C+70°C
3=30PPM
"A" STANDARD TEMP. -10°C+60°C
5=50PPM (TYPICAL)
"F" FUNDAMENTAL
6=100PPM
F
"T" THIRD OVERTONE
"5" FIFTH OVERTONE
"7" SEVENTH OVERTONE
"B" BULK
B
"T" TAPE / REEL
"G" TAPE / REEL / GULLWING
"C" TAPE / REEL / CRIMPED LEADS
ROHS COMPLIANT
G
DB Lectro Inc. 3755 Place Java, Suite 140, Brossard, Québec, J4Y 0E4, Canada - T: 1-450-444-1424 / F: 1-450-444-4714 / www.dblectro.com
单片机
