Datasheet > Z206T556K00VB

Z206T556K00VB

更新时间： 2024-11-15 18:36:07

品牌	Logo	应用领域
威世 - VISHAY		电阻器
页数	文件大小	规格书
6页	491K
描述
Fixed Resistor, Metal Foil, 1W, 556000ohm, 500V, 0.005% +/-Tol, -.2,.2ppm/Cel

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Z206T556K00VB 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	Radial,
Reach Compliance Code：	compliant	ECCN代码：	EAR99
风险等级：	5.34	构造：	Rectangular
引线直径：	0.64 mm	引线长度：	25.4 mm
引线间距：	22.86 mm	端子数量：	2
最高工作温度：	175 °C	最低工作温度：	-55 °C
封装高度：	10.49 mm	封装长度：	30.48 mm
封装形状：	RECTANGULAR PACKAGE	封装形式：	Radial
封装宽度：	6.6 mm	包装方法：	Bulk
额定功率耗散 (P)：	1 W	电阻：	556000 Ω
电阻器类型：	FIXED RESISTOR	系列：	Z206
子类别：	FIXED RESISTOR	技术：	METAL FOIL
温度系数：	-.2,.2 ppm/ °C	容差：	0.005%
工作电压：	500 V	Base Number Matches：	1

Z206T556K00VB 数据手册

Z Series (Z-Foil)

Vishay Foil Resistors

Ultra High Precision Z-Foil Resistor with TCR of ± 0.05 ppm/°C,

Tolerance of ± 0.005 % (50 ppm), Load Life Stability of ± 0.005 %,

ESD Immunity up to 25 kV and Thermal EMF of 0.05 µV/°C

FEATURES

• Temperature coefficient of resistance (TCR):

NEW

- ± 0.05 ppm/°C typical (0 °C to + 60 °C)

- ± 0.2 ppm/°C typical (- 55 °C to + 125 °C,

+ 25 °C ref.) (see table 1)

• Rated power: to 1 W at + 125 °C

• Resistance tolerance: to ± 0.005 % (50 ppm)

• Load life stability: to ± 0.005 % at 70 °C, 2000 h or to

INTRODUCTION

±0.015% at 70°C,10000 h (see table 4)

The Bulk Metal^®Foil resistor is based on a special concept

• Resistance range: 10 Ω to 600 kΩ

where a proprietary bulk metal cold rolled foil is cemented to

a ceramic substrate. It is then photoetched into a resistive

pattern. Furthermore, it is laser adjusted to any desired value

and tolerance. Because the metals used are not drawn,

wound or mistreated in any way during manufacturing

process, the Bulk Metal Foil resistor maintains all its design,

physical and electrical characteristics while winding of wire

or sputtering does not. Z foil resistors achieve maximum

stability and near-zero TCR. These performance

characteristics are built-in for every unit, and do not rely on

screening or other artificial means for uniform performances.

• Vishay Foil Resistors are not restricted to standard values;

specific “as required” values can be supplied at no extra

cost or delivery (e.g. 1K2345 vs. 1K)

• Total accumulated change in resistance over life (EOL)

< 0.05 % (or better with PMO)

• Electrostatic discharge up to 25 000 V

• Non-inductive, non-capacitive design

• Rise time: 1 ns effectively no ringing

• Current noise: 0.010 µV_RMS/V of applied voltage (< - 40 dB)

• Thermal EMF: 0.05 µV/°C typical

The stability of a resistor depends primarily on its history of

exposures to temperature. Stability is affected by:

1. Changes in the ambient temperature and heat from

adjacent components (defined by the Temperature

Coefficient of Resistance, or TCR)

• Voltage coefficient: < 0.1 ppm/V

• Low inductance: < 0.08 µH typical

2. Destabilizing thermal shock of suddenly-applied power

(defined by the power coefficient, or PCR)

• Thermal stabilization time < 1 s (nominal value achieved

within 10 ppm of steady state value)

3. Long-term exposure to applied power (load-life stability)

4. Repetitive stresses from being switched on and off

• Pattern design minimizing hot spots

• Terminal finish: lead (Pb)-free or tin/lead alloy

In very high-precision resistors, these effects must be taken

into account to achieve high stability with changes in load

(Joule Effect) and ambient temperature.

• Matched sets are available per request

(TCR tracking: to 0.5 ppm/°C)

• Prototype quantities available in just 5 working days

or sooner. For more information, please contact

foil@vishaypg.com

Vishay’s new Z-Foil technology provides an order of

magnitude reduction in the Bulk Metal Foil element’s

sensitivity to temperature changes - both external and

internal. This technology provides an absolute TCR of

± 0.05 ppm/°C typical (instrument range: 0 °C to +60 °C),

± 0.2 ppm/°C typical (military range: - 55 °C to + 125 °C,

+ 25 °C ref), and a PCR of 5 ppm at rated power.

• Load life ΔR maximum can be reduced significantly

with our post manufacturing operations (PMO) see

page 4 for details

In order to take full advantage of this TCR improvement, it is

necessary to take into account the differences in the

resistor’s response to each of the above-mentioned effects.

The Z series has been developed to successfully deal with

these factors.

FIGURE 1 - TYPICAL RESISTANCE/

TEMPERATURE CURVE (Z-FOIL)

+ 500

+ 400

+ 300

+ 200

TABLE 1 - TYPICAL TCR AND MAX. SPREAD

+ 100

ΔR

(- 55 °C to + 125 °C, + 25 °C ref.)

- 100

- 200

- 300

- 400

- 500

(ppm)

TYPICAL TCR AND

MAX. SPREAD

(ppm/°C)

0.05 ppm/°C

- 0.1 ppm/°C 0.1 ppm/°C

0.14 ppm/°C

STANDARD

TOLERANCE

VALUE

100 Ω to 600 KΩ

80 Ω to < 100 Ω

50 Ω to < 80 Ω

25 Ω to < 50 Ω

10 Ω to < 25 Ω

± 0.005 %

± 0.01 %

± 0.02 %

± 0.2 ± 0.6

± 0.2 ± 0.8

± 0.2 ± 1.0

± 0.2 ± 1.3

± 0.2 ± 1.6

- 0.16 ppm/°C

0.2 ppm/°C

- 55

- 25

+ 25

+ 60 + 75 + 100 + 125

Ambient Temperature (°C) and TCR Chord Slopes

for Different Temperature Ranges

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

Document Number: 63187

Revision: 21-Jul-10

For any questions, contact: foil@vishaypg.com

www.foilresistors.com

12 3 4 5 6

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