VISHAY T73 Technical data
T73
Vishay Sfernice
DIMENSIONS in millimeters
T73Y
Top adjust
1/4" Square Single-Turn
Cermet Sealed Trimmers
FEATURES
• Industrial grade
• Fully sealed
• Miniature package
• Rotor designed for automatic machine adjust interface
• Withstands harsh environments and immersion cleaning
process
RoHS
COMPLIANT
T73YP
6.6
Ø 0.46
7
3.8
5.46 ± 0.38
4.7
Base
level
31
2.54*
2
T73X
Side adjust
T73XX
7
3.8
Ø 0.46 ± 0.05
5.46 ± 0.38
6.6
Base
level
Tolerances unless otherwise specified ± 0.25 mm
1.02
2.54*
2.54*
3
2
1
4.7
2.542.54*
3.53
2.54*
T73YE
2.54*
2.54*2.54*
2
1
3
3.53
2.54* 2.54*
T73XH
1.02
2.54*
2.54*
Cruciform slot Ø 3
long 2.77, wide 0.64 - deep 0.89
2.54
1
2
3
4.7
T73YU
2
13
3.53
2.54
T73XW
2.54*
2.54*
T73YB
2.54
2
4.06 ± 0.38
31
2.29
1
2
3
4.7
CIRCUIT DIAGRAM
a
(1)
b
(2)
www.vishay.com For technical questions, contact: sfer@vishay.com
42 See also: Application notes
c
(3)
cw
Document Number: 51016
Revision: 24-Jan-07
T73
1/4" Square Single-Turn
Cermet Sealed Trimmers
ELECTRICAL SPECIFICATIONS
Resistive Element Cermet
Electrical Travel 240° nominal
Resistance Range 10 Ω to 2 MΩ
Standard Series 1 - 2 - 5
Tolerance Standard ± 10 %
Powe r Rating
Temperature Coefficient ± 100 ppm/°C
Limiting Element Voltage 300 V
Contact Resistance Variation 1 % or 3 Ω max. whichever is greater
Absolute Minimum Resistance 1 % or 2 Ω max. whichever is greater
Adjustability
Resolution infinite
Insulation Resistance (500 V DC) 10
Dielectric Strength
Linear 0.5 W at 70 °C
Logarithmic not applicable
± 0.05 % voltage
± 0.15 % resistance
3
MΩ minimum
900 Vac sea level
350 Vac 80 000 feet
Vishay Sfernice
MECHANICAL SPECIFICATIONS
POWER RATING CHART
Mechanical Travel 270°
Operating Torque (max. Ncm) 2.1
End Stop Torque (max. Ncm) 4.9
Unit Weight (max. g) 0.6
0.50
ENVIRONMENTAL SPECIFICATIONS
Temperature Range - 55 °C to + 125 °C
Climatic Category 55/100/56
Seal Test 85 °C Fluorinert**
Flammability UL 94-VO
** Fluorinert is a registered trademark of 3M Co.
0.25
POWER IN WATT
0
0
40
20
AMBIENT TEMPERATURE IN DEGREES CELSIUS
70
60
100
PERFORMANCE
TESTS CONDITIONS TYPICAL VALUES AND DRIFTS
ΔR
Load Life 1000 hours - 0.5 W at + 70 °C
Shock 100 g
Vibration 30 g
Humidity Mil-STD202 method 103 - 96 hours
Rotational Life 200 cycles
≤ 3 % CRV
R
ΔR
< ± 1 %
R
ΔR
< ± 1 %
R
ΔR
< ± 2 % i.R. 10 MΩ
R
ΔR
< ± 4 %
R
ΔVV < ± 1 %
ΔV
V
CRV < 3 Ω or 3 %
125 140
< 3 Ω or 3 %
whichever is
greater
≤ ± 1 %
whichever is
greater
Document Number: 51016 For technical questions, contact: sfer@vishay.com
Revision: 24-Jan-07 See also: Application notes
www.vishay.com
43
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