Datasheet > 1280G100RK

1280G100RK

更新时间： 2024-11-24 06:17:39

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
4页	123K
描述
Bulk Metal® Foil Technology Precision Trimming Potentiometers 3/4

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1280G100RK 数据手册

1280G, 1285G

Vishay Foil Resistors

Bulk Metal^®Foil Technology

Precision Trimming Potentiometers

3/4" Rectilinear, 5 ꢀꢀm/ꢁ° and 15 ꢀꢀm/ꢁ° T°R

FEATURES

• Temperature coefficient of resistance (TCR):

(- 55 /C to + 125 /C ref. at + 25 /C)

RoHS

15 ppmꢀ/C (model 1280G);

5 ppmꢀ/C (model 1285G)³⁾;

COMPLIANT

- through the wiper 50 ppmꢀ/C

• Load life stability: 0.5 % maximum ΔR under full rated

power at + 25 /C for 2000 h

• Electrostatic discharge: above 25 000 V

• Settability: 0.05 % typical; 0.1 % maximum

• Setting stability: 0.1 % typical; 0.5 % maximum, ΔSS

• Power rating: 0.75 W at + 25 /C

TABLE 1 - 1280G AND 1285G SERIES

ELECTRICAL SPECIFICATIONS

Model 1280G 10 %¹⁾

Resistance Tolerance

Model 1285G 5 %

Resistance Range

T°R Model 1280G

10 Ω to 20 kΩ

• Resistance range: 10 Ω to 20 kΩ

15 ppmꢀ/C (- 55 /C to + 25 /C)

15 ppmꢀ/C (+ 25 /C to + 125 /C)

• Resistance tolerance: 10 %, 5 %

• Backlash: < 0.05 %

5 ppmꢀ/C (- 55 /C to + 25 /C)

5 ppmꢀ/C (+ 25 /C to + 125 /C)

T°R Model 1285G³⁾

• Tap test: 0.05 % typical; 0.1 % maximum

0.75 W at + 25 /C derated linearly

to 0 W at + 125 /C (see Fig. 2)

• “O”-ring prevents ingress of fluids during any board

cleaning operation

Power

Settability

0.05 % typical; 0.1 % maximum

• Termination: gold plated

0.1 % typical; 0.5 % maximum,

ΔSS

Setting Stability

Roll-on, Roll-off

Load Life Stability

0.25 % typical; 1.0 % maximum

TABLE 3 - 1280G AND 1285G SERIES

MECHANICAL SPECIFICATIONS

0.5 % ΔR after 2000 h under full rated

power at + 25 /C

Adjustment Turns

Backlash

Stoꢀs

26 2 turns

End Resistance

°.R.V.²⁾

2 Ω maximum

< 0.05 %

3 Ω typical; 10 Ω maximum

clutch, wiper idles

+ 85 /C water immersion

5 oz. in. maximum

1.5 grams maximum

Frequency

°haracteristics

Sealed

10 ns rise time at 1 k

Ω to 100 MHz

Torque

Notes

1. 5 % available on special order

Weight

2. The 1280G can be screened for low noise, if required

3. For model 1285G 10 Ω and 20 Ω TCR is 10 ppmꢀ/C

4. Panel mount available on special order

°onstruction

Case Material

Lead Screw

Wiper

Rider Block

Element

Valox^®

Brass

Precious metal brush

Nylon

Bulk Metal^®Foil

Gold plated phosphor bronze

TABLE 2 - STANDARD VALUE

Ω, 20

Ω, 50

Ω, 100 Ω, 200 Ω, 500 Ω

Lead Material

1K, 2K, 5K, 10K, 20K

Document Number: 63056

Revision: 07-Nov-07

For any questions, contact: foil@vishay.com

www.vishay.com

12 3 4

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1280G10R010%	VISHAY	获取价格	RESISTOR, TRIMMER, METAL FOIL, 26 TURN(S), 0.75W, 10ohm, 3/4 INCH, RECTANGULAR, 3 PINS
1280G1K0010%	VISHAY	获取价格	RESISTOR, TRIMMER, METAL FOIL, 26 TURN(S), 0.75 W, 1000 ohm, 3/4 INCH, RECTANGULAR, 3 PINS
1280G200R10%	VISHAY	获取价格	RESISTOR, TRIMMER, METAL FOIL, 26 TURN(S), 0.75 W, 200 ohm, 3/4 INCH, RECTANGULAR, 3 PINS
1280G20K010%	VISHAY	获取价格	RESISTOR, TRIMMER, METAL FOIL, 26 TURN(S), 0.75W, 20000ohm, 3/4 INCH, RECTANGULAR, 3 PINS
1280G20R010%	VISHAY	获取价格	RESISTOR, TRIMMER, METAL FOIL, 26 TURN(S), 0.75W, 20ohm, 3/4 INCH, RECTANGULAR, 3 PINS
1280G500R10%	VISHAY	获取价格	RESISTOR, TRIMMER, METAL FOIL, 26 TURN(S), 0.75 W, 500 ohm, 3/4 INCH, RECTANGULAR, 3 PINS
1280G50R010%	VISHAY	获取价格	RESISTOR, TRIMMER, METAL FOIL, 26 TURN(S), 0.75 W, 50 ohm, 3/4 INCH, RECTANGULAR, 3 PINS
1280G5K0010%	VISHAY	获取价格	RESISTOR, TRIMMER, METAL FOIL, 26 TURN(S), 0.75W, 5000ohm, 3/4 INCH, RECTANGULAR, 3 PINS
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