Q-Tech QT725C - Manual (Page 3)

4.2 Screening tests. The screening tests shall be in accordance with the General Specification.
4.3 Quality Conformance Inspection. Quality Conformance Inspection shall be in accordance with the
General Specification and shall be required only when specified by the purchase order.
5 PACKAGING
5.1 Preservation, packaging and packing. Hybrid crystal oscillators shall be prepared for delivery in
accordance with the General specification.
6 NOTES
6.1 Notes. The notes of the General Specification are applicable to this drawing.
6.2 Ordering information. The procuring activity shall advise Q-Tech Corporation at the time of Request
for Quotation if quality conformance inspection is to be required.
6.3 Part number. QT725 C B M - 16.000000 MHZ
Model #
Supply voltage: C: + 5.0 volts
Temp stability - see Table I
Screening: E: engineering model; M: flight model
Frequency (8 digits)
± 30 PPM, - 40 °C TO + 85 °C E
± 40 PPM, - 55 °C TO + 105 °C D
± 50 PPM, - 55 °C TO + 125 °C B
TEMP STABILITY OPTION
TABLE I. STABILITY / TEMPERATURE OPTIONS
7 SOURCE OF SUPPLY
7.1 Approved manufacturer.
Q-Tech Corporation
10150 W. Jefferson Blvd.
Culver City, Ca. 90232 U.S.A.
ºC/W 50 θ
jc
Package thermal resistance
ºC/seconds 250/10 Lead solder temperature/time
ºC 150 -65 Tstg Storage temperature
ºC 125 -55 T
C
Operating temperature
Volts 7 0 V
C
Control voltage
Volts 7 0 V
CC
Supply voltage
Units Max Min Symbol Parameter
TABLE II. MAXIMUM RATINGS
Q-Tech Corporation
10150 W. Jefferson Blvd.
Culver City, CA. 90232
Specification number: QT725C rev A
Sheet 3 of 5