3/8” square multiturn
cermet trimmer
– industrial grade
T93
Data sheet E 7/2.412 - 10497
0,5 W at 85°C
CECC 41 100
NF C 83-251
MIL-R-22097
LNZ
2-52
XA - XB
YA - YB
Z
SPECIFICATIONS MECHANICAL
MECHANICAL TRAVEL... 22 turns ±5
OPERATING TORQUE (max. Ncm)... 1,5
END STOP TORQUE... clutch action
UNIT WEIGHT (max. g.)...
1,2
ENVIRONMENTAL
TEMPERATURE RANGE... –55°C + 155°C
CLIMATIC CATEGORY... 55 / 125 / 56
SEALING... fully sealed
container IP67
SPECIFICATIONS
ELECTRICAL
RESISTIVE ELEMENT... cermet
ELECTRICAL TRAVEL... 19 turns ±2
RESISTANCE RANGE... 10 Ω... 2,2 MΩ
Standard series E3 (1 - 2,2 - 4,7)... and 1 - 2 - 5
TOLERANCE standard... ±10%
on request... ±5%
POWER RATING linear... 0,5 W at +85°C
logarithmic... not applicable
TYPICAL TEMP. COEFFICIENT (for Rn ≥100 Ω)... ± 7
0 ppm/°C
LIMITING ELEMENT VOLTAGE (linear law)... 250 V
CONTACT RESISTANCE VARIATION ... 2% Rn or 2 Ω
END RESISTANCE (typical)... 1 Ω
DIELECTRIC STRENGTH (RMS)... 1000 V
INSULATION RESISTANCE (500 V DC)... 106MΩ
2-53
VISHAY S.A.
International Department
199, Boulevard de la Madeleine
B.P. 1159
F 06003 NICE CEDEX 1
Tel. : (33) 04 93 37 27 27
Fax. : (33) 04 93 37 27 26
PERFORMANCES
Table 1
TESTS
LOAD LIFE
CLIMATIC SEQUENCE
LONG TERM DAMP HEAT
RAPID TEMPERATURE CHANGE
SHOCKS
VIBRATIONS
ROTATIONAL LIFE
1000 hours at rated power
90'/30' - ambient temperature 85°C
56 days
5 cycles –55°C at +125°C
50 g 11 ms
3 successive shocks
in 3 directions
10 - 55 Hz
0,75 mm or 10 g
during 6 hours
200 cycles
Phase A dry heat 125°C - 30% Pr
Phase B damp heat
Phase C cold –55°C
Phase D damp heat 5 cycles
±1% ± 2 %
Contact resistance variation : < ±1% Rn
± 0,5 % ± 1 %
± 0,1 % ± 0,2%
± 0,5 % ± 1 %
Dielectric strength : 1000 V RMS
Insulation resistance : > 104MΩ
±2 %
Contact resistance
variation : < ±1% Rn
± 0,5 % ∆V1-2 ≤±1%
V1-3
CONDITIONS TYPICAL VALUES AND DRIFTS
∆RT∆R1-2
RT(%) R1-2 (%)
± 0,1 % ∆V1-2 ≤±0,2%
V1-3
