Datasheet > VCS332T0R2500JB

VCS332T0R2500JB

更新时间： 2024-11-07 06:01:31

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
4页	163K
描述
Bulk Metal® Foil Technology High Precision 4-Terminal Power Current Sensing Resistors with TCR as low as ± 1 ppm/°C and Tolerance ± 0.1 %

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VCS332T0R2500JB 数据手册

300 Series

Vishay Foil Resistors

Bulk Metal^®Foil Technology High Precision

4-Terminal Power Current Sensing Resistors with

TCR as low as ꢀ ꢁꢁmꢂ/C and Tolerance 0ꢃꢀ ꢄ

FEATURES

• Temperature Coefficient of Resistance (TCR):

down to 1 ppm/°C Max. (see table 2)

Pb-free

Available

• Tolerance: to 0.1 % (see table 1)

• Power Rating (heat-sinked): 10 W

RoHS*

COMPLIANT

• Load Life Stability: 0.05 % at 25 °C, 2000 hours at Rated

Power

• Resistance Range: 0.005 Ω to 500 Ω

• Electrostatic Discharge (ESD) above 25 000 V

• Non Inductive, Non Capacitive Design

• Rise Time: 1.0 ns without ringing

• Current Noise: < - 40 dB

Any value at any tolerance available within resistance range

The 300 Series offers precision Bulk Metal^®Foil technology

resistors as low as 5 mΩ with a temperature coefficient

down to 1 ppm/°C and unmatched long term stability. The

4 terminal current sensing resistors, when mounted on a

heat sink, can sustain 10 watts continuously without an

appreciable change in resistance (0.15 % maximum). The

typical 50 % power derating specification associated with

other technologies is not necessary. A choice of lead

configurations is available.

• Thermal EMF: 0.05 µV/°C typical

• Voltage Coefficient: < 0.1 ppm/V

• Non Inductive: 0.08 µH

• Non Hot Spot Design

• Terminal Finishes available: Lead (Pb)-free

Tin/Lead Alloy

• Any value available within resistance range (e.g. 1K2345)

• Prototype samples available from 48 hours. For more

information, please contact foil@vishay.com

Our Application Engineering Department is available to

advise and make recommendations. For non-standard

technical requirements and special applications, please

• For better performances, please contact Application

Engineering

TABLE 1 - CHARACTERISTICS

POWER RATING²⁾

TOLERANCE^ꢀ)

MAXIMUM CURRENT²⁾

MODEL NUMBER

RESISTANCE RANGE

at + 25 /C

0.005 Ω < R < 0.1 Ω

0.1 Ω ≤ R < 0.25 Ω

1 %

10 W on

Heat Sink³⁾

VCS301, VCS302

VCS331, VCS332

15 A

5 A

0.5 %

0.25 Ω < R < 500 Ω

0.1 %

3 W in Free Air

Notes

1. Tighter tolerance is available - for more details contact Application Engineering

2. The lower of the two limitations (Power or Current) is decisive

3. Heatsink - Aluminum (6 inches length x 4 inches width x 2 inches height x 0.04 inches thick)

TABLE 2 - TCR CHART (MAXIMUM)

FIGURE 1 - POWER DERATING CURVE

(0 /C TO + 60 /C)

- 55 /C

+ 25 /C

+ ꢀ00

+ 75

+ 50

+ 25

≥ 0.005 Ω

≥ 0.01 Ω

≥ 0.05 Ω

≥ 0.1 Ω

≥ 1 Ω

< 0.01 Ω

< 0.05 Ω

< 0.1 Ω

< 1 Ω

15 ppm/°C

10 ppm/°C

5 ppm/°C

3 ppm/°C

2 ppm/°C

1 ppm/°C

- 50

+ 50

+ ꢀ00

+ ꢀ50

+ 200

Ambient Temꢁerature /C

< 10 Ω

(Further Derating Not Necessary)

≥ 10 Ω

< 500 Ω

* Pb containing materials are not RoHS compliant, exemptions may apply

Document Number: 63018

Revision: 26-Jun-07

For any questions, contact: foil@vishay.com

www.vishay.com

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