User Manual
3
Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com
FLAT PACK
CRYSTAL CLOCK OSCILLATORS
-5.2 to -4.5Vdc & 1.8 to 15Vdc - 0.12Hz to 200MHz
Flat Pack (Revision F, August 2010 ) (ECO# 9934)
Q-TECH
CORPORATION
Package Configuration Versus Pin Connections
QT # Conf Vcc GND Case
Output
(*)
E/D
or
N/C
Equivalent
MIL-PRF-55310
Configuration
QT21 A 13 10 10 11 12 N/A
QT22 B 8 9 9 10 11 N/A
QT24 C 13 10 10 11 12 /21 = QT24T
QT25 D 13 10 10 11 12 N/A
QT26 E 14 7 7 8 6 N/A
QT28 F 8 9 9 10 11 N/A
1
10 11
20
Q-TECH
P/N
FREQ.
(2.16/1.78)
.085/.070 .010
(.254)
(3.56)
.140
(15.88)
.625
(11.43)
.450
.050
(1.27)
(.381)
.015
SQ.
D/C S/N
.500
(12.70)
MIN.
A
QT21
.015
(.381)
(1.27)
.050
.450
(11.43)
.625
(15.88)
(.254)
.010.060/.045
(1.52/1.14)
(3.81)
.150
FREQ.
P/N
Q-TECH
20
1110
1
MAX.
SQ.
D/C S/N
.500
(12.70)
MIN.
D
QT25
1
78
14
FREQ.
P/N
Q-TECH
D/C S/N
.590
.790
.600
.500
.100
(2.54)
.015
(.381)
(12.70)
(20.07)
(15.24)
(14.99)
MIN.
.070
.160
(.254)
.010
(4.06)
MAX.
(1.78)
E
QT26
(.381)
.015
(9.53)
.375
(8.89)
.350
.010
.05
.15
1
89
16
Q-TECH
P/N
FREQ.
D/C S/N
(3.05)
.120
MAX.
.500
(12.70)
(1.27)
.050
(3.81)
MIN.
(.254)
(1.27)
.05
MIN.
(1.27)
F
QT28
1
89
16
(3.05)
.120
.060/.035
(1.52/.889)
.010
(.254)
(.381)
.015
.500
(12.70)
(1.27)
.050
(8.89)
.350
(9.53)
.375
MAX.
Q-TECH
P/N
FREQ.
D/C S/N
.500
(12.70)
MIN.
B
QT22
1
10 11
20
Q-TECH
P/N
FREQ.
.120
(3.05)
(1.52/1.14)
.060/.045 .010
(.254)
(15.88)
.625
(11.43)
.450
.050
(1.27)
(.381)
.015
MAX.
SQ.
D/C S/N
.500
(12.70)
MIN.
C
QT24
(*) ECL / PECL complimentary output available on pin 12
(except QT22, 26, & 28) with a Q-Tech custom part number
Dimensions are in inches (mm)
Package Information
• Package material (Header and Leads): Kovar
• Lead finish: Gold Plated – 50µ ~ 80µ inches
Nickel Underplate – 100µ ~ 250µ inches
• Cover: Kovar, Gold Plated – 50µ ~ 100µ inches
Nickel Underplate – 70µ ~ 90µ inches
• Package to lid attachment: Seam weld
• Weight: 2.0g typ., 4.0g max.