Datasheet > 300144ZTR1TCR0.2TFB

300144ZTR1TCR0.2TFB

更新时间： 2022-12-26 14:39:37

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
5页	130K
描述
Ultra High Precision Z-Foil Voltage Divider Resistors with TCR

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300144ZTR1TCR0.2TFB 数据手册

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300144Z, 300145Z (Z-Foil)

Ultra High Precision Z-Foil Voltage Divider Resistors with TCR

Tracking to 0.1 ppm/°C, Power Coefficient Tracking of 5 ppm

at Rated Power, and Tolerance Match to 0.005 % (50 ppm)

Vishay Foil Resistors

FIGURE 1 - TRIMMING TO VALUES (conceptual illustration)

Current Path

Before Trimming

Interloop Capacitance

Reduction in Series

Current Path

After Trimming

Trimming Process

Mutual Inductance

Reduction due

to Change in

Removes this Material

from Shorting Strip Area

Changing Current Path

and Increasing

Current Direction

Resistance

Note: Foil shown in black, etched spaces in white

FIGURE 2 - STANDARD PRINTING AND DIMENSIONS in inches (millimeters)

Model 300144Z and Schematic²⁾

Model 300145Z and Schematic²⁾

0.375

(9.53)

0.2

(5.08)

0.1

0.295

(7.49)

Match

(2.54)

Tolerance

VISHAY

9825

300144Z

Date Code

Model No.

0.320

(8.13)

0.015 0.005

(0.38 0.13)

Low

Resistance

Value Indicator

0.75¹⁾

0.025 0.005

(0.64 0.13)

VISHAY

9825

300145Z

0.375

(9.53)

(19.05)

Date Code

Model No.

0.015 0.005

(0.38 0.13)

Match

Tolerance

0.75¹⁾

(19.05)

0.025 0.005

(0.64 0.13)

Tolerance: 0.010ꢀ (0.25)

0.1 (2.54)

1. Lead wires: #22 AWG solder coated copper,

0.75ꢀ minimum length

2. Each resistor contains 1 chip of two resistive

elements

0.1 (2.54)

FIGURE 3 - POWER DERATING CURVE

300144Z, 300145Z

FIGURE 4 - TYPICAL TCR CURVE Z-FOIL

(for more details see table 1)

- 55 °C

+ 70 °C

200 %

175 %

150 %

125 %

100 %

75 %

50 %

25 %

+ 500

+ 400

+ 300

+ 200

Double Rated Power

+ 100

ΔR

Rated Power

- 100

- 200

- 300

- 400

- 500

(ppm)

0.05 ppm/°C

- 0.1 ppm/°C 0.1 ppm/°C

0.14 ppm/°C

Safe operation

for < 150 ppm

∆R after 2000

hours load-life.

- 0.16 ppm/°C

0.2 ppm/°C

- 55

- 25

+ 25

+ 60 + 75 + 100 + 125

- 75 - 50 - 25

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

Ambient Temperature (°C)

Note: Power is proportional to the divider ratio

Example: In a 300144Z (1K/10K dual), the power rating would be

18 mW on the 1K and 182 mW on the 10K, for a total of 200 mW on

R1 + R2.

_{P1 =}(_{R1 + R2})

_{P2 =}(_{R1 + R2})_P

www.vishay.com

For any questions, contact: foil@vishay.com

Document Number: 63115

Revision: 21-Nov-07

123 4 5

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