OC31T Datasheet, PDF (2/2 Pages) Mercury United Electronics Inc – Mercury OC31T is 36.2x27.2 mm 5 pin solder sealed metal pacakge

OCXO (Oven Controlled Crystal Oscillators) +5.0V; +12V
OC31T Series
HCMOS Square Wave
MERCURY
Since 1973
OC31T Test Circuit
Bottom view
Frequency counter
T2
T1
A
-⁺
+
Vcc
V
-
0.1uF
+
- ^Vcon
Oscilloscope
80%
50%
20%
15 pF ^*
Tr
* Include probe, fixture and stray capacitances
T1
Tf Duty Cycle =
*100%
T2
OC31T Series Package Dimensions and Pin Connections:
Pin 1: Voltage Control EFC Pin 2: Reference Voltage Output
Pin 4: RF Output
Pin 5: Ground / Case
unit mm
Pin 3: Supply Voltage
Part Number Format and Example:
Example: OC31T5S-10.000-0.01/-20+70
OC 31 T 5
S — 10.000 — 0.01 ⁄
n o p q r ^dash s
dash _t
slash
n: “OC” Product Prefix for OCXO
o: Package type. “31” for OC31 package
p: Output wave form code. “T” for HCMOS square wave output..
q: Supply voltage code. “5” for +5.0V; “12” for +12.0V
r: Crystal type. Use “A” for AT-cut crystal; Use “S” for SC-cut crystal.
s: Frequency in MHz;
t: Frequency stability in ppm;
u: Operating temperature range: -20°C to +70°C in this case.
-20+70
u
MERCURY
Page 2 of 2
Date: July 20, 2006
Rev. 0