Datasheet > VHZ555

VHZ555

更新时间： 2024-11-24 06:02:51

品牌	Logo	应用领域
威世 - VISHAY		电阻器
页数	文件大小	规格书
5页	173K
描述
Bulk Metal® Foil Technology Hermetically Sealed Resistors, Aerospace

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VHZ555 数据手册

VHZ Hermetic

Vishay Foil Resistors

Bulk Metal^®Foil Technology

Hermetically Sealed Resistors, Aerospace

FEATURES

• VH102Z Series

Nominal Temperature Coefficient of Resistance:

± 0.2ppm/°C MIL Range (see table 2)

Product may not

be to scale

• VHZ555 Temperature Coefficient of Resistance:

± 2ppm/°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 (VHZ555)

The "VHZ" series of resistors is the hermetic version of

the molded "Z" 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.

•

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

• Resistance Tolerance (Initial Resistance Accuracy):

± 0.005% tightest to ± 1.0% loosest

• Resistance Range:

VH102Z: 100R to 100K

VHZ555: 4R99 to 121K

VH102Z is the hermetically-sealed counterpart of the Z201

high-performance molded resistors. VHZ555 is the

hermetically-sealed version of the Z555, MIL style RNC90Z.

TABLE 1 - MODEL SELECTION

MODEL

RESISTANCE

RANGE

STANDARD RESISTANCE MAXIMUM

TOLERANCE¹%

WORKING

TIGHTEST LOOSEST VOLTAGE²

AMBIENT

POWER RATING^{3 ††}

AVERAGE

WEIGHT

DIMENSIONS

INCHES mm

NUMBER

(

Ω)

(GRAMS)

at + 70°C at + 125°C

0.185 Maximum 4.70 Maximum

0.435 Maximum 11.05 Maximum

VH102Z

VHZ555

100R to 100K

± 0.005

± 1.0

0.430 Maximum** 10.92 Maximum

300

0.6 W

0.3 W

1.4

LL 1 ± 0.125

25.4 ± 3.18

30.1 to 121K

20 to < 30.1

± 0.005

± 0.01

± 1.0

LS 0.150 ± 0.010⁴

3.81 ± 0.25

4.99 to < 20

± 0.05

± 1.0

ST 0.095 Maximum 2.41 Maximum

**0.375H available.

FIGURE 1 - STANDARD IMPRINTING AND DIMENSIONS

Front View

Rear View

Resistance

Value Code

VISHAY

XXXX

VH102Z

100R01

0.01%

XXXX

Tolerance

Model

Number

Serial No.

(Optional Marking)

Date Code

Year Week

Lead Material #22 AWG

Round Solder Coated Copper

SALES

• AMERICAS: foilsales.usa@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

• ISRAEL: foilsales.israel@vishay.com

For technical questions, contact: foil@vishay.com

www.vishay.com

Document Number: 63063

Revision 12-Dec-05

12 3 4 5

中文翻译

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