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 3/8直径单转金属陶瓷微调电位器电位器微调电位器电阻器 PC
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

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)

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

200

500

10K

20K

25K

50K

100K

200K

250K

500K

1Meg

2Meg

100

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

(2)

(1)

(3)

Tolerances unless otherwise specified:

Linear = .01 inches (.25mm)

Angular = 2 degrees

Model 91

1-86

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