Datasheet > VPR247T500R00FB

VPR247T500R00FB

更新时间： 2024-10-29 05:52:39

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
6页	142K
描述
Bulk Metal® Foil Technology Hermetically Sealed Power and Current Sensing Resistor with TCR of 2 ppm/°C and Power up to 10 Watts

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VPR247T500R00FB 数据手册

VHP-3, VHP-4, VPR247

Vishay Foil Resistors

Bulk Metal^®Foil Technology

Hermetically Sealed Power and Current Sensing Resistor with

TCR of 2 ppm/°C and Power up to 10 Watts

FEATURES

• Temperature coefficient of resistance TCR:

2 ppm/°C typical (- 55 °C to + 125 °C,

+ 25 °C ref.) (see tables 1 and 2)

Pb-free

Available

RoHS*

• Tolerance: to 0.01 % (see tables 1 and 2)

• Power rating (heat-sinked): 10 W

COMPLIANT

• Load life stability: 0.01 % at 25 °C, 2000 h at rated power

• Resistance range: 0.05 Ω to 80 kΩ

• 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 available within resistance range

Vishay Bulk Metal^®Foil power resistors offer the best

approach to low value power and current sensing when a

combination of accuracy, tight TCR, low thermal EMF, low

voltage coefficient, Kelvin connection, and long term stability

(under power) are required.

• Thermal EMF: 0.05 µV/°C typical

• Voltage coefficient: < 0.1 ppm/V

• Non inductive: 0.08 µH

Vishay Models VHP-3 and VHP-4 offer all welded

construction and screw mounting directly to a metal heat sink

for maximum heat transfer. Hermetic sealing and nitrogen

back fill provide the maximum protection against

environmental stresses, thereby ensuring long term stability.

A special feature of this construction is Kovar eyelet’s and

OFHC solder plated copper leads providing the lowest

thermal EMFs in the industry.

• Non hot spot design

• Terminal finishes available:

VHP-3 and VHP-4:

lead (Pb)-free

tin/lead alloy

gold plated

VPR247:

Vishay Model VPR247 has many of the advantages of the

VHP-4 but with significantly reduced size and weight. It also

has gold plated copper leads.

• Any value available within resistance range (e.g. 1K234)

• Prototype samples available from 48 h. For more

information, please contact foil@vishay.com

Our Application Engineering department is available to

advise and to make recommendations. For non-standard

technical requirements and special applications, please

• For better performances, please contact Application

Engineering

1), 2)

TABLE 1 - VHP-3¹⁾SPECIFICATIONS

TABLE 2 - VHP-4 AND VPR247 SPECIFICATIONS

RESISTANCE

RANGE (Ω)

TIGHTEST

TOLERANCE

TYPICAL

MAXIMUM

RESISTANCE

RANGE (Ω)

TIGHTEST

TOLERANCE

TYPICAL

MAXIMUM

TCR^{3), 4)}

TCR³⁾

TCR^{3), 4)}

TCR³⁾

10 to 500

5 to < 10

0.01 %

0.02 %

0.05 %

0.1 %

5 ppm/°C

6 ppm/°C

8 ppm/°C

10 ppm/°C

15 ppm/°C

20 ppm/°C

25 ppm/°C

30 ppm/°C

50 to 80K

25 to < 50

10 to < 25

5 to < 10

0.01 %

0.02 %

0.05 %

0.1 %

0.25 %

0.5 %

1.0 %

2.0 %

5.0 %

5 ppm/°C

7 ppm/°C

10 ppm/°C

13 ppm/°C

20 ppm/°C

25 ppm/°C

2 to < 5

1 to < 2

2 ppm/°C

0.5 to < 1

0.25 to < 0.5

0.1 to < 0.25

0.05 to < 0.1

0.25 %

0.5 %

2 to < 5

2 ppm/°C

1.0 %

1 to < 2

2.0 %

0.5 to < 1

0.25 to < 0.5

0.1 to < 0.25

Notes

50 ppm/°C

1. Weight of VHP-3 and VHP-4 = 15 g maximum

VPR247 = 7 g maximum

2. Available up to 500 Ω

3. - 55 °C to + 125 °C, + 25 °C ref.

4. See figure 5

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

Document Number: 63005

Revision: 31-Oct-07

For any questions, contact: foil@vishay.com

www.vishay.com

12 3 4 5 6

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