Q-Tech CLASS B+ - Manual (Page 16)

FEEDING (PULL) DIRECTION
ø13.0±0.5
2.5
5º MAX
ш1.5
2.0
1.75±0.1
0.3±.005
ш1.5
2.0±0.1
11.5
4.0±0.1
26
24.0±0.3
16±0.1
120º
B
A
C
P/N FREQUENCY D/C S/N
Ø178±1
or
Ø330±1
Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com
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Q-TECH
CORPORATION
QPDS-0001, Rev L, June 2013 (ECO #10851)
CLASS B+ PRODUCTS
HIGH RELIABILITY HYBRID CRYSTAL CLOCK OSCILLATORS
2.5 to 5.0Vdc - 15kHz to 350MHz
Reflow Profile
Environmental Specifications
The five transition periods for the typical reflow process are:
• Preheat
• Flux activation
• Thermal equalization
• Reflow
• Cool down
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.
225º min.
240º max.
60s min.
150s max.
240º
Ramp down (6ºC/s Max)
Ramp up (3ºC/s Max)
TYPICAL REFLOW PROFILE FOR Sn-Pb ASSEMBLY
Q-Tech Standard Screening/QCI (MIL-PRF-38534 or MIL-PRF55310) is available for all of our B+ Products. Q-Tech can also
customize screening and test procedures to meet your specific requirements. The B+ product is designed and processed to exceed the
following test conditions:
Environmental Test Test Conditions
Temperature cycling MIL-STD-883, Method 1010, Cond. B or Cond. C
Constant acceleration MIL-STD-883, Method 2001, Cond. A, Y1
Seal: Fine and Gross Leak MIL-STD-883, Method 1014, Cond. A and C
Burn-in 160 hours, 125°C with load
Aging 30 days, 70°C, ±1.5ppm max
Vibration sinusoidal MIL-STD-202, Method 204, Cond. D
Shock, non operating MIL-STD-202, Method 213, Cond. I (See Note 1)
Thermal shock, non operating MIL-STD-202, Method 107, Cond. B
Ambient pressure, non operating MIL-STD-202, 105, Cond. C, 5 minutes dwell time minimum
Resistance to solder heat MIL-STD-202, Method 210, Cond. B
Moisture resistance MIL-STD-202, Method 106
Terminal strength MIL-STD-202, Method 211, Cond. C
Resistance to solvents MIL-STD-202, Method 215
Solderability MIL-STD-202, Method 208
ESD Classification MIL-STD-883, Method 3015, Class 1C HBM 1,999V
Moisture Sensitivity Level J-STD-020, MSL=1
Note 1: Additional shock results successfully passed on 16MHz, 40MHz, and 80MHz
• Shock 850g peak, half-sine, 1 ms duration (MIL-STD-202, Method 213, Cond. D modified)
• Shock 1,500g peak, half-sine, 0.5ms duration (MIL-STD-883, Method 2002, Cond. B)
• Shock 36,000g peak, half-sine, 0.12 ms duration (QT188, QT190 & QT192, QT193)
Please contact Q-Tech for higher shock requirements
Embossed Tape and Reel Information
Dimensions are in mm. Tape is compliant to EIA-481-A.
Reel size vs. quantity:
QT A B C
QT178 10.01 ±0.1 14.53 ±0.1 4.80 ±0.1
QT190 9.470 ±0.1 11.92 ±0.1 6.16 ±0.1
QT188, QT192, QT193 7.747 ±0.1 9.271 ±0.1 4.699 ±0.1
Reel size
(Diameter in mm)
Qty per reel (pcs)
QT178 QT188,QT190,QT192, QT193
178 250 150
330 1000 800