Datasheet > VHHERMETIC

VHHERMETIC

更新时间： 2024-11-05 08:12:55

品牌	Logo	应用领域
威世 - VISHAY		电阻器
页数	文件大小	规格书
5页	131K
描述
Bulk Metal? Foil Technology Hermetically Sealed Resistors, Aerospace

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VHHERMETIC 数据手册

VH Hermetic

Vishay Foil Resistors

Bulk Metal^®Foil Technology

Hermetically Sealed Resistors, Aerospace

FEATURES

• VH102K Series

Nominal Temperature Coefficient of Resistance:

– 0.3ppm/°C (0°C to + 25°C);

+ 0.3ppm/°C (+ 25°C to + 60°C);

– 1.0ppm/°C (– 55°C to + 25°C);

+ 1.0ppm/°C (+ 25°C to + 125°C)

Product may not

be to scale

• VHS102 Series

Nominal Temperature Coefficient of Resistance:

+ 0.6ppm/°C (0°C to + 25°C);

– 0.6ppm/°C (+ 25°C to + 60°C);

+ 2.2ppm/°C (– 55°C to + 25°C);

– 1.8ppm/°C (+ 25°C to + 125°C)

The "VH" series of resistors is the hermetic version of sev-

eral molded "S" series devices. Hermetic sealing eliminates

the ingress of both oxygen, which degrades resistors over

long periods, and moisture which degrades resistors more

quickly. These parts are made with glass to metal seal

enclosures employing Kovar eyelets which allow the copper

leads to pass through the enclosure to minimize the thermal

EMF from the lead junctions. Rubber fill between the metal

housing and resistance element acts both as a mechanical

damper and thermal transfer path.

• VHS555 Temperature Coefficient of Resistance:

± 5ppm/°C (– 55°C to + 125°C);

• Selected TCR Tracking: to 0.5ppm/°C (matched sets)

• Load-Life Stability: ± 0.0025% maximum ∆R at 0.1 watt,

+ 60°C, 2,000 hours (VHS555)

• Power Rating: 0.6 Watts at + 70°C; 0.3 Watts at + 125°C

VHS102 and VH102K are the hermetically-sealed counter-

part of the S102C and S102K high-performance molded re-

sistors. VHS555 is the hermetically-sealed version of the

S555, MIL style RNC90Y.

• Resistance Tolerance (Initial Resistance Accuracy):

± 0.005% tightest to ± 1.0% loosest

• Resistance Range: 1Ω to 150KΩ

TABLE 1 - MODEL SELECTION

MODEL

NUMBER

RESISTANCE

RANGE

STANDARD RESISTANCE MAXIMUM

AMBIENT

AVERAGE

WEIGHT

DIMENSIONS

INCHES mm

TOLERANCE¹%

WORKING

POWER RATING^{3 ††}

(

Ω

)

TIGHTEST LOOSEST VOLTAGE²@ + 70°C @ + 125°C (GRAMS)

VH102K*

VHS102

30.1 to 150K

20 to < 30.1

10 to < 20

5 to < 10

1 to < 5

30.1 to 150K

16.2 to < 30.1

4.99 to < 16.2

1 to < 4.99

± 0.005

± 0.01

± 0.05

± 0.10

± 0.25

± 0.005

± 0.05

± 0.10

± 0.25

± 1.0

0.185 Maximum 4.70 Maximum

0.435 Maximum 11.05 Maximum

0.430 Maximum** 10.92 Maximum

300

0.6 W

0.3 W

1.4

LL 1 ± 0.125

25.4 ± 3.18

3.81 ± 0.25

VHS555†

LS 0.150 ± 0.010⁴

ST 0.095 Maximum 2.41 Maximum

*Available from 1 ohm to 100K only.

† Contains RNC90Y inside (4.99 ohms to 121 K).

†† Above 100Kohms VHS102 power is derated to 0.4 W @ + 70°C and 0.2 W @ + 125°C

**0.375H available.

See the third page in this datasheet for numbered footnotes.

FIGURE 1 - STANDARD IMPRINTING AND DIMENSIONS

Front View

Rear View

Resistance

Value Code

VISHAY

XXXX

VHS555

100R01

0.01%

XXXX

Tolerance

Model

Number

Serial No.

(Optional Marking)

Date Code

Year Week

Lead Material #22 AWG

Round Solder Coated Copper

SALES

• ISRAEL: foilsales.israel@vishay.com

• ASIA/JAPAN: foilsales.asia@vishay.com • UK/HOLLAND/SCANDINAVIA: foilsales.eunorth@vishay.com • GERMANY/CZECH REPUBLIC/AUSTRIA: foilsales.eucentral@vishay.com

• FRANCE/SWITZERLAND/SOUTHERN EUROPE: foilsales.eusouth@vishay.com

• AMERICAS: foilsales.usa@vishay.com

For technical questions in the Americas, contact foilsupport1@vishay.com

For technical questions in Asia/Japan/Europe/Africa/Israel, contact foilsupport2@vishay.com

www.vishay.com

Document Number: 63004

Revision 02-Mar-05

12 3 4 5

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