68PR10KLF [TTELEC]

3/8 Square Multiturn Cermet Trimming Potentiometer; 3/8广场多圈金属陶瓷微调电位器


型号：	68PR10KLF
厂家：	TT Electronics
描述：	3/8 Square Multiturn Cermet Trimming Potentiometer 3/8广场多圈金属陶瓷微调电位器电位器微调电位器
文件：	总4页 (文件大小：61K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

MODEL 68

3/8” Square

Multiturn

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, Turns, Nominal

Dielectric Strength

10 to 2Meg

10ꢀ ꢁ(100 Ohms ꢂ 20ꢀꢃ

200 Vdc or rms not to exceed power rating

100mA or within rated power, whichever is less

0.5 at 85°C derating to 0 at 125°C

2 Ohms

900 Vrms

Insulation Resistance, Minimum

Resolution

1,000 Megohms

Essentially infinite

Contact Resistance Variation, Maximum

1ꢀ or 1 Ohm, whichever is greater

ENVIRONMENTAL

Seal

85°C Fluorinert® ꢁNo Leaksꢃ

100ppmꢄ°C

Temperature Coefficient, Maximum

Temperature Range

Thermal Shock

Moisture Resistance

Shock, 6ms Sawtooth

Vibration

–55°C to +125°C

5 cycles, –55°C to +125°C ꢁ1ꢀ ∆RT, 1ꢀ ∆VRꢃ

Ten 24 hour cycles ꢁ1ꢀ ∆RT, IR 1,000 Megohms min.ꢃ

100G’s ꢁ1ꢀ ∆RT, 1ꢀ ∆VRꢃ

20G’s, 10 to 2,000 Hz ꢁ1ꢀ ∆RT, 1ꢀ ∆VRꢃ

250 hours at 125°C ꢁ2ꢀ ∆RT, 2ꢀ ∆VRꢃ

200 cycles ꢁ3ꢀ ∆RTꢃ

High Temperature Exposure

Rotational Life

Load Life at 0.5 Watts

Resistance to Solder Heat

1,000 hours at 70°C ꢁ2ꢀ ∆RTꢃ

260°C for 10 sec. ꢁ1ꢀ ∆RTꢃ

MECHANICAL

Mechanical Stops

Torque, Starting Maximum

Weight, Nominal

Clutch Action, both ends

5 oz.-in. ꢁ0.035 N-mꢃ

.04 oz. ꢁ1.13 gramsꢃ

Fluorinert® is a registered trademark of 3M Company.

Specifications subject to change without notice.

Model 68

1-51

TOP ADJUSTMENT (Inch/mm)

Model 68W

.375 ± .015

9.53 ± 0.38

.15 ± .02

3.8 ± 0.5

.245

6.22

Max.

Metal Adjustment Screw

.090ꢄ2.29 Dia. With

.020ꢄ0.51 Wide X

Schematic Diagram

This Surface

.025ꢄ0.64 Min. Depth

.062 ± .015

1.58 ± 0.38

.060 ± .015

1.52 ± 0.38

.12 ± .02

3.1 ± 0.5

.375 ± .015

9.53 ± 0.38

.015

Standard Marking This Surface

0.38

.18

Min.

4.6

.020 ± .003

0.51 ± 0.08

Dia.

ꢁ3ꢃ ꢁ2ꢃ ꢁ1ꢃ

Terminal Pins ꢁ3ꢃ

.045 ± .015

1.14 ± 0.38

.10 .10

2.5 2.5

.187 ± .015

4.75 ± 0.38

SIDE ADJUSTMENT (Inch/mm)

Model 68P

.245

6.22

Max. Min.

.18

4.6

.375 ± .015

9.53 ± 0.38

.187 ± .015

4.75 ± 0.38

.015 ± .002

0.38 ± 0.05

Min.

Standoff

.10

2.5

ꢁ3ꢃ

ꢁ2ꢃ

ꢁ1ꢃ

Schematic Diagram

This Surface

.10

2.5

.020 ± .003

0.51 ± 0.08

.375 ± .015

9.53 ± 0.38

Dia.

ꢁ3ꢃ

Terminal Pins ꢁ3ꢃ

.12 ± .02

3.1 ± 0.5

ꢁ2ꢃ

ꢁ1ꢃ

.187 ± .015

4.75 ± 0.38

Metal Adjustment Screw

.090ꢄ2.29 Dia. With

.020ꢄ0.51 Wide X

.03

.060 ± .015

1.524 ± 0.38

Max.

0.8

Standard Marking

This Surface

Meniscus

ꢁTypꢃ

.025ꢄ0.64 Min. Depth

.10

2.5

.19 ± .02

4.8 ± 0.5

Model 68

1-52

SIDE ADJUSTMENT (Inch/mm)

Model 68X

.375 ± .015

9.53 ± 0.38

.15 ± .02

3.8 ± 0.5

.245

6.22

Max.

Metal Adjustment Screw

.090ꢄ2.29 Dia. With

.020ꢄ0.51 Wide X

Schematic Diagram This Surface

Standard Marking This Surface

.025ꢄ0.64 Min. Depth

.375 ± .015

9.53 ± 0.38

.32 ± .02

8.1 ± 0.5

.18

Min.

4.6

.020 ± .003

Dia.

0.51 ± 0.08

ꢁ3ꢃ ꢁ2ꢃ ꢁ1ꢃ

Terminal Pins ꢁ3ꢃ

.060 ± .015

1.524 ± 0.38

.045 ± .015

1.14 ± 0.38

.10 .10

2.5 2.5

.187 ± .015

4.75 ± 0.38

STANDARD RESISTANCE VALUES, OHMS

200

500

10K

20K

25K

50K

100K

200K

250K

500K

1Meg

2Meg

100

CIRCUIT DIAGRAM

NOTES

Metric equivalents, based on 1 inch ꢂ 25.4mm are

rounded to the same number of significant figures

as in the original English units and are provided for

general information only.

(2)

INCH

(1)

(3)

Tolerances unless otherwise specified:

Linear ꢂ .01 inches ꢁ.25mmꢃ

Angular ꢂ 2 degrees

Model 68

1-53

PACKAGING

Standard: Boxes

Capacity

ꢂ

100 Units ꢁ68Wꢃ

50 Units ꢁAll other stylesꢃ

Option:

Tubes

All units oriented with #1 pin to same side.

Pin Style

Magazine Width

ꢂ

0.57”

0.66”

20.9”

0.33”

0.90”

20.4”

0.33”

0.90”

24.4”

Height

Length

Capacity

50 Units 50 Units 50 Units

Option:

Tape & Reel, Ammo Pack ꢁAvailable only for 68W and 68Xꢃ

All units oriented with #1 pin to the right of the direction of feed.

Seat Plane to

Centerline of

Sprocket Hole

Width

Sprocket

Capacity

Diameter

Tape Fold

Box

ꢂ

.71” ꢁ18.03 mmꢃ

18 mm

Single Hole .50” spacing

1,000 Units

14” ꢁ356 mmꢃ

12” ꢁ305 mmꢃ

Tape

Reel

Ammo

1.8” x 13” x 10”

ꢁ46mm x 330mm x 254mmꢃ

ORDERING INFORMATION

Standard:

68 P R 10K LF

Model Series

RoHS Compliant Product Code - Optional

Resistance Value

Resistance Prefix

Pin Style

Option:

68 W R 10K LF TB

Pin Style

Packaging Option:

TB ꢂ Tubes

ꢁPin styles P, W, Xꢃ

68 W F R 10K LF TR

Option:

Pin Style

Packaging Option:

AP ꢂ Ammo pack

TR ꢂ Tape & Reel

ꢁPin styles W, X onlyꢃ

Pin Style Suffix:

ꢁUsed with AP and TR packaging options.

Applicable to pin styles W & X only.

"F" designates 0.70" lead length.ꢃ

Model 68

1-54

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