Datasheet > 72PR250KLFTB

72PR250KLFTB

更新时间： 2024-11-12 03:07:23

品牌	Logo	应用领域
TTELEC		电位器微调电位器
页数	文件大小	规格书
6页	81K
描述
3/8 Square Single Turn Cermet Trimming Potentiometer

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中文翻译

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数据手册

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72PR250KLFTB 数据手册

MODEL 72

3/8” Square

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

10ꢀ (ꢁ100 Ohms ꢂ 20ꢀ)

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

244°

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 Leaks)

100ppmꢃ°C

Temperature Coefficient, Maximum

Operating 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 ∆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

Torque, Starting Maximum

Weight, Nominal

Solid

3 oz.-in. (0.021 N-m)

.025 oz. (0.70 grams)

Fluorinert® is a registered trademark of 3M Company.

Specifications subject to change without notice.

1-55

Model 72

12 3 4 5 6

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