QUARTZ CRYSTAL
Holder Code H, RESISTANCE WELDED HC-49/S EXRA LOW PROFILE PACKAGE
FEATURE
Standard height 3.5mm, the part is compact at about
one-fourth of the HC-49/U package
A resistance weld completely sealed type
Good stability and high reliability
Copes with high density mounting and is the optimum
for mass production
Lead Free & RoHS Compliant
ELECTRICAL SPECIFICATIONS
Nominal frequency
Oscillation mode
Operating temperature range
Storage temperature range
Frequency tolerance
Freq. Temp characteristics
Load capacitance
Equivalent series resistance
Parallel capacitance(Co)
Drive level
Insulation resistance
3.000MHz to 100MHz
See below table
-20℃--+70℃ (Typical), -10℃ ~ +60℃,
-40℃ ~ +85℃, or specify
-40℃--+85℃
±30PPM
at 25±2℃ (Typical), or specify
±50PPM
-20℃--+70℃ (Typical), or specify
Series, 16pF, 20pF, 30pF, or specify
See below table
7PF Max
100 µW
More than 500MΩ AT DC100V
EQUIVALENT SERIES RESISTANCE(ESR) AND OSCILLATION MODE
Frequency Range
3.000MHz~5.999MHz
6.000MHz~7.999MHz
8.000MHz~15.999M
Hz
16.000MHz~30.000M
Hz
E.S.R
(
Ω)
150Max
60Max
50Max
Mode
Fundamental/AT
Fundamental/AT
Fundamental/AT
Frequency Range
24.000MHz~40.320MHz
24.000MHz~29.999MHz
30.000MHz~49.999MHz
E.S.R
(
Ω)
30Max
100Ma
x
80Max
Mode
Fundamental/
AT
Third
Overtone /AT
Third
Overtone /AT
Third
Overtone /AT
30Max
Fundamental/AT
50.000MHz~100.000MHz
60Max
Mechanical characteristics
Resistance to shock:
Resistance to vibration:
±3PPM
Max
±3Ω
Max, Naturally drop it 3
times on a hard wood plate from 100cm height
±3PPM
Max
±3Ω
Max
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
Reliability
Aging
Air tightness
(1) Gross leak
(2) Fine leak
Low drive characteristics
±3PPM
Max/Year
should be immerged in hot water(90±5℃) for
5 minutes
should be less than 5х10
-8
atmcc/sec by
helium leak detector
Measured
Δ1,C1,3
point at 1.0,,10,100µW
Dimension
Reflow Condition
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
HC49U/S
Extra
Low Profile
CODE
H
PART NUMBER EXPLANATION - HOW TO ORDER
3,5795MHZ 17PF 30PPM/50PPM FUNDAMENTAL BULK (ROHS COMPLIANT)
D3L5795-17305EFB-G
DB LECTRO Inc.
D
FIRST FIVE NUMBERS OF THE FREQUENCY WITH HOLDER CODE AT DECIMAL POINT
3L5795
"-" 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
嵌入式系统
