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参数资料
| 型号： | QT178AC-10-FREQ1 |
| 厂商： | Q-TECH CORP |
| 元件分类： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 0.45 MHz - 15 MHz, ACMOS/TTL OUTPUT |
| 封装： | ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD, 4 PIN |
| 文件页数： | 5/7页 |
| 文件大小： | 710K |
| 代理商： | QT178AC-10-FREQ1 |
55
Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com
CLASS B+ PRODUCTS
CRYSTAL CLOCK OSCILLATORS
3.3 to 5.0Vdc
-
450kHz to 85MHz
ClassB+Products(Revision-,April2009)
Q-TECH
CORPORATION
ReflowProfile
EnvironmentalSpecifications
Thefivetransitionperiodsforthetypicalreflowprocessare:
Preheat
Fluxactivation
Thermalequalization
Reflow
Cooldown
0
20
40
60
80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420
Time (s)
25
50
75
100
125
150
175
200
225
250
TEMP(*C)
0
60s min.
120s max.
60s min.
120s max.
225 min.
240 max.
60s min.
150s max.
240
Ramp down (6C/s Max)
Ramp up (3C/s Max)
TYPICAL REFLOW PROFILE FOR Sn-Pb ASSEMBLY
Q-TechStandardScreening/QCI(MIL-PRF55310)isavailableforallofourQTX78Products. Q-Techcanalsocustomizescreening
andtestprocedurestomeetyourspecificrequirements. TheQTX78productisdesignedandprocessedtoexceedthefollowingtest
conditions:
EnvironmentalTest
TestConditions
Temperaturecycling
MIL-STD-883,Method1010,Cond.BorCond.C
Constantacceleration
MIL-STD-883,Method2001,Cond.A,Y1
SealFineLeak
MIL-STD-883,Method1014,Cond.A
Burn-in
160hours,125°Cwithload
Aging
30days,70°C,±1.5ppmmax
Vibrationsinusoidal
MIL-STD-202,Method204,Cond.D
Shock,nonoperating
MIL-STD-202,Method213,Cond.I (SeeNote1)
Thermalshock,nonoperating
MIL-STD-202,Method107,Cond.B
Ambientpressure,nonoperating
MIL-STD-202,105,Cond.C,5minutesdwelltimeminimum
Resistancetosolderheat
MIL-STD-202,Method210,Cond.B
Moistureresistance
MIL-STD-202,Method106
Terminalstrength
MIL-STD-202,Method211,Cond.C
Resistancetosolvents
MIL-STD-202,Method215
Solderability
MIL-STD-202,Method208
ESDClassification
MIL-STD-883,Method3015,Class1HBM0to1,999V
MoistureSensitivityLevel
J-STD-020,MSL=1
Note1: Additionalshockresultssuccessfullypassedon16MHz,40MHz,and80MHz
Shock850gpeak,half-sine,1msduration(MIL-STD-202,Method213,Cond.Dmodified)
Shock1,500gpeak,half-sine,0.5msduration(MIL-STD-883,Method2002,Cond.B)
Shock36,000gpeak,half-sine,0.12msduration(QTX88&QTX92)
PleasecontactQ-Techforhighershockrequirements
EmbossedTapeandReelInformation
Dimensionsareinmm. TapeiscomplianttoEIA-481-A.
Reelsizevs.quantity:
FEEDING (PULL) DIRECTION
13.0±0.5
2.5
5 MAX
1.5
2.0
1.75±0.1
0.3±.005
1.5
2.0±0.1
5.5±0.1
4.0±0.1
178±1
or
330±1
26
24.0±0.3
16±0.1
120
B
A
C
QT
A
B
C
QTX78
10.01±0.1 14.53±0.1 4.80±0.1
QTX88&QTX92 7.747±0.1 9.271±0.1 4.699±0.1
Reelsize
(Diameterinmm)
Qtyperreel(pcs)
QTX78 QTX88,QTX92
178
250
150
330
1000
800
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