Datasheet > VHP100T80K250BB

VHP100T80K250BB

更新时间： 2024-11-27 07:01:19

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
4页	96K
描述
Ultra-High Precision Hermetically Sealed Bulk Metal® Foil Technology Resistor with Zero TCR and 0.005 % Tolerance

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VHP100T80K250BB 数据手册

VHP100

Vishay Foil Resistors

Ultra-High Precision Hermetically Sealed Bulk Metal^®Foil

Technology Resistor with Zero TCR and 0.005 % Tolerance

FEATURES

• Essentially Zero TCR: almost zero resistance/

temperature effect

Pb-free

Available

• Absolute Resistance Change (window):

VHP100 < 60 ppm (- 55 °C to + 125 °C)

RoHS*

COMPLIANT

VHP101 < 10 ppm (+ 15 °C to + 45 °C)

• Tolerance: to 0.005 %

• No Humidity Effect: Hermetically Sealed¹⁾against Moisture

• Load Life Stability²⁾: 20 ppm typical for 2000 hours, 70 °C

at 0.3 Watts

Any value available within resistance range

• Shelf Life Stability: 2 ppm after at least 10 years

Vishay has achieved an essentially zero temperature

coefficient resistor in the VHP100 family. This oil filled

hermetically sealed device makes unique use of foil on

ceramic in such a way that self cancelling responses to

temperature are produced by combining equal and opposite

effects. This product is sold only in hermetic packages

because applications requiring this level of temperature

stability require humidity stability as well.

• Resistance Range: 100 Ω to 150 kΩ (other values

available on request)

• Electrostatic Discharge (ESD) above 25 000 Volts

• Non Inductive, Non Capacitive Design

• Current Noise: < - 40 dB

• Thermal EMF: 0.05 µV/°C

• Voltage Coefficient: < 0.1 ppm/V

• Inductance: < 0.08 µH

The value of the hermetic enclosure over the molded part is

in the long term performance. The hermetic sealing prevents

the ingress of moisture and oxygen, while the oil acts as a

thermal conductor.

• Non Hot Spot Design

• Hermeticity: 10^-7atmospheric cc/seconds max

• Terminal Finishes available: Lead (Pb)-free

Tin/Lead Alloy

Notes

WINDOW DEFINITION

1. Oil filled as standard. Air filled available upon request.

The TCR of the VHP100 is so small that an additional

definition - window, has been introduced. The window

definition requires that the absolute resistance remain within

the stated window over the temperature range specified. The

resistance of the VHP100 resistor stays within a 60 ppm

window over the entire military temperature range of - 55 °C

to + 125 °C (Figures 1 and 3).

2. Load-life stability can be considerably improved through in-house

oriented tests.

FIGURE 1 - A TYPICAL VHP100 RESISTANCE

TEMPERATURE CURVE

60 ppm

A window of 10 ppm is available for the laboratory instrument

range (+ 15 °C to + 45 °C); see Figure 4 - type VHP101.

Window

- 55

- 25

+ 25 + 50

Temperature (°C)

+ 100

+ 125

+ 75

TRACKING

Tracking of the VHP100 resistor is also vastly superior to

FIGURE 2 - POWER DERATING CURVE

conventional precision resistors. Typical

5 ppm/°C

precision resistors have a worst-case tracking of 10 ppm/°C

(wirewounds) or a difference between resistors of 1000 ppm

(10 ppm/°C x 100 °C) when temperature changes from

+ 25 °C to + 125 °C. For a 3 ppm/°C tracking (Vishay S102C)

the difference will be 300 ppm (3 ppm/°C x 100 °C) for the

same temperature range. The VHP100 resistors will track to

60 ppm from - 55 °C to + 125 °C, a five-fold improvement

over the S102C resistor.

- 55 °C

+ 70 °C Rated Power

+ 100 %

+ 75 %

+ 50 %

+ 25 %

- 75 - 50

- 25

+ 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200

Ambient Temperature (°C)

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

Document Number: 63003

Revision: 18-Jun-07

For any questions, contact: foil@vishay.com

www.vishay.com

12 3 4

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VHP101T80K250CB	VISHAY	获取价格	Ultra-High Precision Hermetically Sealed Bulk
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