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Vishay Intertechnology Electronic Components Datasheet

T18 Datasheet

Multi-Turn Cermet Trimmer

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T18 pdf
T18
Vishay Sfernice
3/4" Rectangular Multi-Turn Cermet Trimmer
FEATURES
Industrial Grade
0.50 W at 70 °C
MIL-R-22097
Tests according to CECC 41 000
RoHS
COMPLIANT
Fine pitch screw for
High performance
outstanding setting ability plastic case
Metal collector
improves power
dissipation
Large size
saddle to
prevent
back-lash
Multi-fingered
Thermoplast bottom protects
track form mechanical stresses
due to sealing resin
wiper for low
contact
resistance
Connections
soldered to track
DIMENSIONS in millimeters
T18
SHAFT
1
0.2
23
6.4 ± 0.2
Base level
4.7 ± 0.2
4.8 ± 0.2
2.54 ± 0.2*
0.8 1.5 ± 0.5*
19 ± 0.5
4.5 ± 0.5
* to be measured at base level
7.6 ± 0.2*
3.15 ± 0.5*
5.1 ± 0.2*
ø 2.5
Tolerances unless otherwise specified ± 0.5
CIRCUIT DIAGRAM
ac
(1)
b
(2)
(3)
cw
Document Number: 51027
Revision: 26-Jun-07
For technical questions, contact: sfer@vishay.com
0.6
0.6
www.vishay.com
79
Free Datasheet http://www.datasheet4u.com/


Vishay Intertechnology Electronic Components Datasheet

T18 Datasheet

Multi-Turn Cermet Trimmer

No Preview Available !

T18 pdf
T18
Vishay Sfernice
3/4" Rectangular Multi-Turn Cermet Trimmer
ELECTRICAL SPECIFICATIONS
Resistive Element
Electrical Travel
Resistance Range
Standard series E3
Tolerance
Standard
On Request
Power Rating
Linear
Logarithmic
Temperature Coefficient
Limiting Element Voltage (Linear Law)
Contact Resistance Variation
End Resistance (Typical)
Dielectric Strength (RMS)
Insulation Resistance (500VDC)
cermet
15 turns ± 1
10 Ω to 2.2 MΩ
1 - 2.2 - 4.7 and 1 - 2 - 5
± 10 %
±5%
0.50 W at + 70 °C
not applicable
See Standard Resistance Element Table
250 V
2 % Rn or 1 Ω
1Ω
1000 V
106 MΩ
MECHANICAL SPECIFICATIONS
Mechanical Travel
18 turns ± 5
Operating Torque (max. Ncm) 2
End Stop Torque
clutch action
Unit Weight (max. g)
1
Wiper (actual travel)
positioned at approx. 50 %
ENVIRONMENTAL SPECIFICATIONS
Temperature Range
- 55 °C to + 125 °C
Climatic Category
55/125/56
Sealing
fully sealed
container IP67
POWER RATING CHART
0.75
0.50
0.25
0
0 20 40 60 70 80 100
AMBIENT TEMPERATURE IN °C
125 140
PERFORMANCE
TESTS
Load Life
Climatic Sequence
Long Term Damp Heat
Rapid Temperature Change
Shock
Vibration
Rotational Life
CONDITIONS
1000 hours at rated power
90'/30' - ambient temp. 70 °C
Phase A dry heat 125 °C
Phase B damp heat
Phase C cold - 55 °C
Phase D damp heat 5 cycles
56 days
5 cycles
- 55 °C at + 125 °C
50 g at 11m secs
3 successive shocks
in 3 directions
10 - 55 Hz
0.75 mm or 10 g
during 6 hours
200 cycles
TYPICAL VALUES AND DRIFTS
ΔRT
RT
(%)
ΔR1-2
R1-2
(%)
±1%
± (3 % + 5 Ω)
Contact res. variation: < 3 % Rn
± 0.5 %
±1%
± 0.5 %
Dielectric strength: 1000 V RMS
Insulation resistance: > 104 MΩ
± 0.5 %
ΔV1-2
V1-3
± (0.2 % + 3 Ω)
±1%
±1%
± 0.3 %
± 0.2 %
± (2 % + 3 Ω)
Contact res. variation: < 2 % Rn
ΔV1-2
V1-3
± 0.3 %
www.vishay.com
80
For technical questions, contact: sfer@vishay.com
Document Number: 51027
Revision: 26-Jun-07
Free Datasheet http://www.datasheet4u.com/


Part Number T18
Description Multi-Turn Cermet Trimmer
Maker Vishay
Total Page 4 Pages
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T18 pdf
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T18 pdf
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