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FAX: (434) 977-1849
M05VVTT
MINIATURE CRYSTAL OVEN SPECIFICATION
This specification defines the operating characteristics of a component heater.
Long term reliability and stability are assured through use of premium components.
REV DESCRIPTION OF REVISION
- Redrawn on new form was dwg. 115-037.
BY APV
DATE
BTG TST 02-10-2004
This M05VVTT specification covers input voltages from +5 VDC to +28 VDC and set
point temperatures from +35°C to +95°C. The VV in the part number specifies the
nominal operating voltage. If the voltage is less than +10 VDC, use a leading zero
(i.e. for +5 VDC use VV = 05). The TT in the part number specifies the set point
temperature in °C (i.e. for +75°C use TT = 75). VV and TT are used in this
specification to describe the operation of this oven.
1. TEMPERATURE
1.1. Set point
1.2. Initial tolerance
+TT °C (Customer specified)
(+35°C to +95°C)
< ±3°C @ +25°C
2. STABILITY
2.1. Ambient
2.2. Voltage
2.3. Warm-up
< ±3°C from -30°C to (TT-10)°C
< ±0.5°C/±10% change
< ±1°C in 2 minutes @ +25°C
(referenced to temperature
at 15 minutes)
3. INPUT POWER
3.1. Voltage
+VV VDC (Customer specified)
(+5 VDC to +28 VDC)
3.2. Voltage tolerance
±10%
3.3. Power
a. At turn on
< 6 Watts @ +25°C
b. Slope *
-0.024 Watts/°C typical
To calculate the typical steady state power
use the following formula.
Pss = (TT - ambient temperature of unit)°C x 0.024 (Watts)
4. MECHANICAL
4.1. Heated cavity holds
the following crystals
and semi-conductors
4.2. Applicable series
4.3. Model number
4.4. Outline drawing
HC-35/U, T0-5, and T0-39
M05 series
M05VVTT (Customer specified)
125-366
* In still air.
See ISOTEMP application note 146-003 for design considerations.
CHARLOTTESVILLE, VA USA
www.isotemp.com
CODE ID
31785
MODEL NO.
M05VVTT
PAGE OF TOTAL
11
DWG. NO.
114-1182
REV
-

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.750 DIA.
MODEL
XXXX
CRYSTAL CAVITY
.575
.062
.300
.500
PIN CONNECTIONS
PIN
1
2
(See Note 3)
3
FUNCTION
+VDC
TEMPERATURE ADJUST
or
NOT CONNECTED
0 VDC
NOTE:
1. CRYSTAL CAVITY IS CONNECTED TO 0 VDC
2. MARKING: LABEL
MODEL = M05VVTT
or
MAJ05VV
VV = VOLTAGE
TT = SET POINT TEMPERATURE
XXXX = DATE CODE
3. "TEMPERATURE ADJUST"
FOR MAJ05VV MODELS
"NOT CONNECTED"
FOR M05VVTT MODELS
.020 DIA. PIN
(3 PLACES)
.340 DIA.
3
.495 DIA.
1
.600 DIA.
(PIN CIRCLE)
2
OSCILLATORS
NAME: OUTLINE DRAWING
(M05 & MAJ05 SERIES)
B REDRAWN, NEW FORM, REVISED NOTES.
LET REVISION
FORM NO. 120-081D
CHARLOTTESVILLE, VIRGINIA
CODE I.D. NO. SCALE: 2:1
DATE: 05-07-91
31785 DWN. BY: WEW APPR'D. BY: TST
LRB DAG 08-15-00
BY APP DATE
TOLERANCES
UNLESS OTHERWISE SPECIFIED:
ANGLES: ±1 DEGREE
FRACTIONS: ±1/32 INCH
DECIMALS: .XX ±.015, .XXX ±.010
COVER MATERIAL: GLASS-FIBRE FILLED
DIALLYL PHTHALATE
BASE MATERIAL: VALOX 420 SEO BLACK
PIN MATERIAL: KOVAR WITH 60/40 SOLDER
ELECTROPLATE OVER NICKEL
FINISH: N/A
MARK: LABEL