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參數(shù)資料
| 型號： | SM55N7B7A@FREQ |
| 元件分類： | Quartz Crystal |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 32 MHz - 70 MHz |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 0K |
| 代理商： | SM55N7B7A@FREQ |
502 VIA DEL MONTE, OCEANSIDE, CA 92054
TEL: 760.433.4510
FAX: 760.434.0255
Monitor Products Company Inc reserves the right to make changes to its products and product specifications without notice. No liability is assumed as a result of their use or application.
07-02-01
ENVIRONMENTAL PERFORMANCE SPECIFICATIONS
Operating Temperature Range
-101C ~ 701C Standard
Storage Temperature Range
-551C ~ 1251C
Vibration
MIL-STD-202 Method 204, 35G, 50 to 2000 Hz
Shock
MIL-STD-202 Method 213B Test Cond E, 1000G, 1/2 Sine Wave
Humidity
85% RH, 851C, 48 Hours
Hermetic Seal
Leak Rate 2 x 10-8 ATM-cm3/sec max
Solderability
MIL-STD-202 Method 208
Reflow Solderability
2601C for 10 seconds
Packaging
24mm Tape & Reel (1000pcs/reel) or Bulk (<1000pcs)
SM55NIB7E =
@ 4.0 MHz
SM55
N
B
7
E
M = 15 pF
N = 20 pF*
S = Series Resonant
X = Customer Spec
CORRELATION
PACKAGING
CALIBRATION
TOLERANCE @ 251C
A = Bulk (<1000pcs)
E = Tape & Reel*
(1000pcs/reel)
X = Customer spec
TEMPERATURE
RANGE
7 = -101C~701C
SM55
1
MODE
B = 100 ppm*
C = 50 ppm
4.0
FREQUENCY
(MHz)
Sample Part Number
Units : mm
1 = Fundamental
7 = 3rd Overtone
* Standard
Call factory for additional options. Use full descriptive part number when ordering. Parts will be marked with series and frequency only.
PART
NUMBERING
KEY
Anti-Resonance Parallel:
Crystals operating at anti-resonance will look
inductive in the circuit. Changes of reactive values in
the circuit will change the crystal frequency. If the
crystal is to be used at anti-resonance, the load
capacitance should always be specified. The load
capacitance CL is the dynamic capacitance of the
total circuit as measured across the crystal terminals.
2
o
Fp = 1
LC C
11
0
C+ C
10
CL
Series Resonance:
At series resonance, the crystal looks
resistive in the circuit, and correlation of
frequency is not a problem. It must be
specified if unit is to be manufactured at
series or at a particular load capacitance.
Fs =
1
2
o LC
11
CRYSTAL CORRELATION THEORY
TAPE DIMENSIONS (24mm)
REEL DIMENSIONS (1000 pcs/reel)
SM55
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