
Document Number: 51014
Revision: 21-Jun-06
For technical questions, contact: sfer@vishay.com
See also: Application notes
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37
T53Y
Miniature Trimmer Single-Turn Cermet
Vishay Sfernice
ELECTRICAL SPECIFICATIONS
Resistive Element
Electrical Travel
Resistance Range
Standard Series
Tolerance Standard
Cermet
220° ± 15°
10
Ω
to 1 M
Ω
1 - 2 - 5
± 20 %
0.25 W at 70 °C
not applicable
Power Rating
Linear
Logarithmic
Temperature Coefficient
Limiting Element Voltage (Linear Law)
Contact Resistance Variation
End Resistance (Typical)
Dielectric Strength (RMS)
Insulation Resistance
Specification
See Standard Resistance Element Data
200 V
2 % or 3
Ω
0.1 % or 3
Ω
1000 V
10
6
M
Ω
in accordance with CECC 41100
MECHANICAL SPECIFICATIONS
Mechanical Travel
Operating Torque (max. Ncm)
End Stop Torque (max. Ncm)
Unit Weight (max. g)
270° ± 10°
1.5
3.5
0.15
ENVIRONMENTAL SPECIFICATIONS
Temperature Range
Climatic Category
Sealing
- 55 °C to + 155 °C
55/125/56
enables cleaning IP67
POWER RATING CHART
0
20
40
60
100
120
140
155
70
0.05
0
0.10
0.15
0.20
0.25
AMBIENT TEMPERATURE IN DEGREES CELSIUS
PERFORMANCE
TESTS
CONDITIONS
TYPICAL VALUES AND DRIFTS
Δ
RT
RT
(%)
Δ
R
1-2
R
1-2
± 3 %
(%)
Load Life
1000 hours at rated power
90'/30' - ambient temperature + 70 °C
± 2 %
Contact resistance variation:
Δ
R < 1 % Rn
± 2 %
Dielectric strength: 1000 V RMS
Insulation resistance: > 10
4
M
Ω
± 2 %
Dielectric strength: 1000 V RMS
Insulation resistance: > 10
4
M
Ω
Moisture Resistance
MIL STD 202 Method 106
10 cycles of 24 hours constituted
with damp heat - cold - vibrations
± 3 %
Long Term Damp Heat
Temperature 40 °C - RH 93 %
56 days
± 3 %
Thermal Shock
- 55 °C to + 125 °C - 5 cycles
± 1 %
Δ
V
1-2
V
1-3
≤
± 2 %
Rotational Life (Electrical and Mechanical)
100 cycles - rated power
MIL STD 202 Method 213/1
100 g - 6 ms
3 successive shocks in 3 directions
MIL STD 202 Method 204/D
20 g - 12 hours
± 3 %
Shock
± 1 %
Δ
V
1-2
V
1-3
≤
± 1 %
Vibration
± 1 %
Δ
V
1-2
V
1-3
≤
± 1 %