91AR50KLF [TTELEC]
3/8 Diameter Single Turn Cermet Trimming Potentiometer; 3/8直径单转金属陶瓷微调电位器型号: | 91AR50KLF |
厂家: | TT Electronics |
描述: | 3/8 Diameter Single Turn Cermet Trimming Potentiometer |
文件: | 总4页 (文件大小:69K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
MODEL 91
3/8” Diameter
Single Turn
1
Cermet Trimming
Potentiometer
ELECTRICAL
Standard Resistance Range, Ohms
Standard Resistance Tolerance
Input Voltage, Maximum
Slider Current, Maximum
Power Rating, Watts
End Resistance, Maximum
Actual Electrical Travel, Nominal
Dielectric Strength
10 to 2Meg
20ꢀ
250 Vdc or rms not to exceed power rating
100mA or within rated power, whichever is less
0.5 at 70°C derating to 0 at 125°C
2 Ohms
174°
500 Vrms
Insulation Resistance, Minimum
Resolution
1,000 Megohms
Essentially infinite
Contact Resistance Variation, Maximum
1ꢀ or 1 Ohm, whichever is greater
ENVIRONMENTAL
Temperature Coefficient, Maximum
Operating Temperature Range
Thermal Shock
Moisture Resistance
Shock, 6ms Sawtooth
Vibration
100ppmꢁ°C
–55°C to +125°C
5 cycles, –55°C to +125°C (1ꢀ ∆RT, 1ꢀ ∆VR)
Ten 24 hour cycles (1ꢀ ∆RT, IR 100 Megohms Min.)
100G’s (1ꢀ ∆RT, 1ꢀ ∆VR)
20G’s, 10 to 2,000 Hz (1ꢀ ∆RT, 1ꢀ ∆VR)
250 hours at 125°C (2ꢀ ∆RT, 2ꢀ ∆VR)
200 cycles (3ꢀ ∆RT)
High Temperature Exposure
Rotational Life
Load Life at 0.5 Watts
Resistance to Solder Heat
1,000 hours at 70°C (2ꢀ ∆RT)
260°C for 10 sec. (1ꢀ ∆RT)
MECHANICAL
Mechanical Stops
Stop Strength
Torque, Starting Maximum
Weight, Nominal
Solid
12 oz.-in. (0.085 N-m)
5oz.-in. (0.042 N-m)
.03 oz. (0.85 grams)
Specifications subject to change without notice.
Model 91
1-83
TOP ADJUSTMENT (Inch/mm)
Model 91A
.375
Arrow Indicates Slider Position. Electrical Adjustments
May Be Made With A Phillips Or Blade Screwdriver And Is Fingertip Adjustable.
9.525
Max. Dia.
.20
5.08
.034
0.864
.050
1.270
Slot:
Wide X
Deep
.385
9.779
Max.
For Blade
Screwdriver
.15
3.81
For Phillips
Screwdriver
Model Number
Marked On This Surface
.20
5.08
.18
4.57
.20
5.08
(2)
(1)
Min.
Resistance Value
Marked On This Surface
Standoffs (2)
(3)
.10
2.54
.020 ± .005
0.508 ± 0.127
Solderable
Dia.
.10
2.54
.20
5.08
Terminals
Model 91B
Model 91C
Model 91E
.25
6.35
Max.
.18
4.57
Min.
(1)
(3)
(2)
.10
2.54
.10
2.54
.20
5.08
.25
6.35
Max.
.18
4.57
Min.
.156
3.962
(3)
(1)
(2)
.172
4.369
.10
2.54
.344
8.738
.18
4.57
Min.
.40
.25
6.35
Max.
(2)
.20
5.08
10.2
(3)
(1)
.10
2.54
.015 ± .005
0.381 ± 0.127
.20
5.08
True Radius (Typ.)
Model 91
1-84
SIDE ADJUSTMENT (Inch/mm)
1
Model 91T
.345
8.763
Max.
(2)
(3)
(1)
.10
2.54
.18
4.57
.10
2.54
Min.
.20
5.08
.40
10.2
Max.
Model 91V
(2)
(3)
(1)
.172
4.369
.18
4.57
.156
3.962
Min.
.344
8.738
.25
6.35
Max.
Model 91W
(2)
(3)
(1)
.10
2.54
.18
4.57
Min.
.20
5.08
.345
8.763
Max.
Model 91X
(2)
(3)
(1)
.10
2.54
.18
4.57
.10
2.54
Min.
.20
5.08
Model 91
1-85
STANDARD RESISTANCE VALUES, OHMS
10
20
50
200
500
1K
5K
10K
20K
25K
50K
100K
200K
250K
500K
1Meg
2Meg
100
2K
PACKAGING
Standard: Boxes
Capacity
=
100 Units
ORDERING INFORMATION
Standard:
91 A R 10K LF
Model Series
Pin Style
RoHS Compliant Product Code - Optional
Resistance Value
Resistance Prefix
CIRCUIT DIAGRAM
NOTES
Metric equivalents, based on 1 inch = 25.4mm are
rounded to the same number of significant figures
as in the original English units and are provided for
general information only.
INCH
mm
(2)
(1)
(3)
Tolerances unless otherwise specified:
Linear = .01 inches (.25mm)
Angular = 2 degrees
CW
Model 91
1-86
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