VISHAY 75H 100K Datasheet
Miniature Cermet Trimmers
FEATURES
• Industrial grade
• 0.5 Watt at 85 °C
• CECC 41100
• High stability
• Low temperature coefficient
T7
Vishay Sfernice
The T7 trimmer is only 7 mm (0.275”) in diameter and fits
almost anywhere.
A sealed plastic case protecting a quality cermet track
guarantees high performance and proven reliability.
Adjustments are made easier by the clear scale readings.
Competitively priced, the T7 is ideally suited to all industrial
applications.
DIMENSIONS in millimeters
T7 YA
0.4
2.54
c
b
a
2.54
4.5 min
Ø 4
0.5
2.54
6
• Wide resistance range
• Easy to read scale
2.54
2.54
4.5 min
T7 YB
c
Ø 4
0.6
0.5
b
a
0.3
6
Ø7
• Tolerances unless otherwise specified ± 0.5 mm
CIRCUIT DIAGRAM
a
(1)
b
(2)
cw
Document Number: 51015 For technical questions, contact: sfer@vishay.com
Revision: 24-Jan-06 See also: Application notes
c
(3)
Ø 7
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39
T7
Vishay Sfernice
Miniature Cermet Trimmers
ELECTRICAL SPECIFICATIONS
Resistive Element Cermet
Electrical Travel 270° ± 15°
Resistance Range 10 Ω to 2.2 MΩ
Standard Series E3 1 - 2.2 - 4.7 and on request 1 - 2 - 5
Tolerance Standard Standard ± 20 %
On Request ± 10 %
Power Rating Linear 0.5W at 85 °C
Logarithmic not applicable
Temperature Coefficient See Standard Resistance Element Data
Limiting Element Voltage (Linear Law) 250 V
Contact Resistance Variation 3 % or 3 Ω
End Resistance (Typical) 1 Ω
Dielectric Strength (RMS) 1000 V
Insulation Resistance 10
MECHANICAL SPECIFICATIONS
POWER RATING CHART
Mechanical Travel 300° ± 5°
Operating Torque (max. Ncm) 2
End Stop Torque (max. Ncm) 4
0.50
Unit Weight (max. g) 0.5
6
MΩ
ENVIRONMENTAL SPECIFICATIONS
Temperature Range – 55 °C to + 125 °C
Climatic Category 55 / 100 / 56
Sealing enables cleaning
except with water
IP64
0.25
POWER IN WATT
0
0
20
PERFORMANCE
TESTS CONDITIONS
Load Life
1000 hours at rated power
90'/30' - ambient temperature 70 °C
Phase A dry heat 100 °C
Climatic Sequence
Phase B damp heat
Phase C cold –55 °C
Phase D damp heat 5 cycles
Long Term Damp Heat 56 days
Rapid Temperature Change 5 cycles – 55 °C at + 125 °C ± 1 %
50 g 11 ms
Shock
3 successive shocks
in 3 directions
10 - 55 Hz
Vibration
0.75 mm or 10 g
during 6 hours
Rotational Life 200 cycles
www.vishay.com For technical questions, contact: sfer@vishay.com
40 See also: Application notes
± 3 % ± 4 %
Contact resistance variation: < 3 % Rn
± 2 % ± 3 %
± 2 % ± 3 %
Dielectric strength: 1000 V RMS
Insulation resistance: > 10
± 0.5 % ± 1 %
± 0.5 %
± 3 %
Contact resistance
variation: < 3 % Rn
100 125 140
40
AMBIENT TEMPERATURE IN DEGREES CELSIUS
70
85
TYPICAL VALUES AND DRIFTS
ΔRT
RT
(%)
4
ΔR
R1-2
MΩ
ΔV
V1-3
ΔV
V1-3
Document Number: 51015
Revision: 24-Jan-06
1-2
1-2
1-2
(%)
≤ ± 2 %
≤ ± 1
%
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