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參數(shù)資料
| 型號： | 425F21HFREQ4 |
| 廠商： | CTS CORP |
| 元件分類： | 晶體 |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 40 MHz - 54 MHz |
| 封裝： | GREEN COMPLIANT, CERAMIC, METAL, 4 PIN |
| 文件頁數(shù)： | 2/3頁 |
| 文件大小： | 227K |
| 代理商： | 425F21HFREQ4 |
Document No. 008-0332-0
Page 2 - 3
Rev. B
CTS Electronic Components, Inc. 171 Covington Drive Bloomingdale, IL 60108
Model 425
2.5x2.0mm Low Cost
Surface Mount Crystal
ELECTRICAL CHARACTERISTICS
PARAMETER
VALUE
Operating Mode
Fundamental
Crystal Cut
AT-Cut
Frequency Range
16.0 MHz to 54.0 MHz
± 30 ppm Standard
(± 10 ppm, ±15 ppm and ± 20 ppm Available)
Frequency Stability Tolerance
± 50 ppm Standard
(Operating Temperature Range, Referenced to 25°C Reading)
(± 10 ppm, ±15 ppm, ± 20 ppm, ± 30 ppm and ± 40 ppm Available)
-20°C to +70°C Standard
(-40°C to +85°C Available)
Storage Temperature Range
-40°C to +85°C
Equivalent Series Resistance
See ESR Table
Load Capacitance or Resonance Mode
See Ordering Information
Shunt Capacitance (C0)
5.0 pF Maximum
Drive Level
10 W Typical, 100 W Maximum
Aging @ 25°C
± 3 ppm/year maximum
Reflow Condition, per JEDEC J-STD-020
+255°C ± 5°C, 10 Seconds Maximum
El
ec
tr
ic
al
P
ara
met
ers
Frequency Tolerance @ 25°C
Operating Temperature Range
EQUIVALENT SERIES RESISTANCE TABLE
FREQUENCY RANGE
MODE of OSCILLATION ESR Maximum
16.00 MHz - 19.999 MHz
Fundamental
100 Ohms
20.00 MHz - 29.999 MHz
Fundamental
80 Ohms
30.00 MHz - 39.999 MHz
Fundamental
80 Ohms
40.00 MHz - 54.000 MHz
Fundamental
60 Ohms
MECHANICAL SPECIFICATIONS
Notes:
1. Termination pads (e4), barrier-plating is nickel (Ni) with gold (Au) flash plate.
2. Terminations #2, #4 and the metal lid are connected internally.
End user may connect these pins to circuit ground.
MARKING INFORMATION
1. XX.XX – Frequency in MHz.
2. C – CTS and Pin 1 identifier.
3. ** – Manufacturing Site Code.
4. D – Manufactured Date Code. See Table I for
codes.
5. Complete CTS part number, frequency value and
date code information must appear on reel and
box labels.
SUGGESTED SOLDER PAD GEOMETRY
0.035 [0.90]
0.073 [1.85]
1
4
0.061 [1.55]
2
Inch
[mm]
Key:
3
0.039 [1.00]
PACKAGE DRAWING
0.064
( 1.625 )
0.029
( 0.725 )
0.027
( 0.675 )
0.028
( 0.700 )
#2
Bottom View
Top View
2
1
4
3
( 0.65 )
MAX
( 2.50 ±0.10 )
0.098 ±0.004
0.026
( 2.00 ±0.10 )
0.079 ±0.004
Key:
( MM )
Inch
#2
#3
#4
#1
XX.XX
C**D
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 425F21S019M9990 | QUARTZ CRYSTAL RESONATOR, 19.999 MHz |
| 425F22G029M9990 | QUARTZ CRYSTAL RESONATOR, 29.999 MHz |
| 425F22H029M9990 | QUARTZ CRYSTAL RESONATOR, 29.999 MHz |
| 425F22L054M0000 | QUARTZ CRYSTAL RESONATOR, 54 MHz |
| 425F23C020M0000 | QUARTZ CRYSTAL RESONATOR, 20 MHz |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 425F21HM | 制造商:CTS 制造商全稱:CTS Corporation 功能描述:Surface Mount Quartz Crystal |
| 425F21JM | 制造商:CTS 制造商全稱:CTS Corporation 功能描述:Surface Mount Quartz Crystal |
| 425F21KM | 制造商:CTS 制造商全稱:CTS Corporation 功能描述:Surface Mount Quartz Crystal |
| 425F21LM | 制造商:CTS 制造商全稱:CTS Corporation 功能描述:Surface Mount Quartz Crystal |
| 425F21SM | 制造商:CTS 制造商全稱:CTS Corporation 功能描述:Surface Mount Quartz Crystal |
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