302075-7ZT294R00VB datasheet, PDF

Datasheet> All Categories > Passive components> The resistor> 302075-7ZT294R00VB

302075-7ZT294R00VB: DescriptionFixed Resistor, Metal Foil, 1.75W, 294ohm, 600V, 0.005% +/-Tol, -.2,.2ppm/Cel,; CategoryPassive components The resistor; File Size456KB，6 Pages; ManufacturerVishay; Websitehttp://www.vishay.com; Environmental Compliance

Download Datasheet Parametric View All

302075-7ZT294R00VB Overview

Fixed Resistor, Metal Foil, 1.75W, 294ohm, 600V, 0.005% +/-Tol, -.2,.2ppm/Cel,

302075-7ZT294R00VB Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	853132034
Reach Compliance Code	compliant
Country Of Origin	Israel
ECCN code	EAR99
YTEOL	10
structure	Hermetically Sealed
JESD-609 code	e3
Lead diameter	0.645 mm
Lead length	25.4 mm
Number of terminals	4
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
Package diameter	12.7 mm
Package length	38.1 mm
Package form	4 Terminals
method of packing	Bulk
Rated power dissipation(P)	1.75 W
resistance	294 Ω
Resistor type	FIXED RESISTOR
series	HZ(OTHER)
technology	METAL FOIL
Temperature Coefficient	0.2 ppm/°C
Terminal surface	Tin (Sn)
Tolerance	0.005%
Operating Voltage	600 V

Preview

Download Datasheet

View All

HZ Series (Z-Foil) with Zero TCR

Vishay Foil Resistors

New Generation of Secondary Standards Hermetically Sealed Construction Ultra High

Precision Z-Foil Technology Resistors with TCR of ± 0.2 ppm/°C, Tolerance of ± 0.001 %

and Load Life Stability of ± 0.002 % (Metrology, Laboratory, Instrumentation, Industrial)

FEATURES



Temperature coefficient of resistance (TCR):

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

+ 25 °C ref.). For ultra high performances

(instrumentation and metrology) please refer to

the last page



Resistance range: 5



to 1.1 M (higher or lower values of

resistance available)



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)



Power coefficient “R due to self heating”:

5 ppm at rated power with the Z-Foil technology



Tolerance:

to ± 0.001 % (10 ppm)



Load life stability to ± 0.002 % (20 ppm) at 25 °C, 2000 h

at rated power



Load life stability, can be considerably improved

through in-house stabilization



Shelf life stability: 2 ppm for at least 6 years

(unaffected by humidity)



Electrostatic discharge (ESD) up to 25 000 V



Power rating: 0.3 W to 2.5 W at + 25 °C (depending on

model - see table 2)



Non-inductive, non-capacitive design



Non hot spot 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



Voltage coefficient: < 0.1 ppm/V



Thermal stabilization time < 1 s (nominal value achieved

within 10 ppm of steady state value)



Non-inductive: < 0.08 µH



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



Impervious to harmful environments - oil filled



Prototype quantities available in just 5 working days

or sooner. For more information, please contact

foil@vishaypg.com



For better performances (values, TCR, tolerance, stability),

please contact us

INTRODUCTION

The Z-Foil based oil filled, hermetically sealed HZ Series

resistors represent an industry breakthrough. The hermetic

sealing eliminates the ingress of moisture and oxygen, while

the oil acts as a thermal conductor, thus eliminating

long-term degradation elements of unsealed resistors, while

at the same time allowing the device to accept short periods

of overload without degradation.

The Z-Foil technology provides a significant reduction of the

resistive components, sensitivity to ambient temperature

variations (TCR) and applied power changes (PCR). When

combined with the hermetic sealing and oil filling, the

HZ Series resistors become

the most precise and stable

resistors available.

They are used as the most precise

secondary standards for ultra precision metrology.

With accuracies of ± 0.001 % (10 ppm) and a resistance

range from 5



to 1.1 M and long term shelf life of less than

2 ppm, these devices are virtually secondary standards that

can be carried in sets for daily or periodic calibration of

factory measurement equipment.

The HZ Series is available with laboratory and metrology

level precision and long-term stability with additional

in-house oriented processes such as: chip stabilization,

special TCR plotting, additional treatments for ultra

stability and special post manufacturing operations

(PMO). (Please refer to the last page)

TABLE 1 - TCR VS. RESISTANCE VALUE

RESISTANCE VALUE

()

TYPICAL TCR AND

MAX. SPREAD

(- 55 °C to + 125 °C, + 25 °C ref.)

(ppm/°C)

± 0.2 ± 2

± 0.2 ± 3

± 0.2 ± 4

FIGURE 1 - SHELF LIFE - VHA518-11

12K9 VS. QHE

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

- 0.1

100 200 300 400 500 600 700 800 900 1000

100 to < 1M1

50 to < 100

5 to < 50

Note

• For maximum TCR < 1 ppm/°C, see VHP100 and contact

application engineering

Resistance Change (ppm)

Time (Days)

Document Number: 63120

Revision: 25-Mar-10

For any questions, contact:

foil@vishaypg.com

www.foilresistors.com

Recommended Resources

Delay electronic doorbell circuit b

Optocoupler constitutes signal input circuit (1)

Coaxial cable bidirectional drive circuit circuit diagram

Dual dimming desk lamp circuit

Common emitter inductive feedback oscillation circuit

Take a look: plc+stepper motor, plc+driver+stepper motor, can't both drive stepper circuits, what's the difference?...; 大哥哥 DIY/Open Source Hardware

[Silicon Labs BG22-EK4108A Bluetooth Development Review] VI. WeChat applet controls LED and receives button status 1: [i=s]This post was last edited by dql2016 on 2022-1-23 19:08[/i]Currently, many products with Bluetooth functions can be connected to WeChat applet or mobile app, so it is very interesting to learn ho...; dql2016 Development Kits Review Area

Software engineering graduates cannot find jobs: I am a 2009 graduate of a university in Shanghai, majoring in software engineering. I am not very good at speaking. I studied microcontroller development (software C language) in school and was expose...; kevinliu Embedded System

How to add reversing reference lines when developing a car reversing video system using WinCE?: As the title says, some GPS can display reversing reference lines or points on the screen while displaying reversing video to indicate the distance to obstacles behind the car. How can this be achieve...; yanchao05 Embedded System

Basic Process of Cadence Mixed-Analog Simulation: Basic process of digital-analog hybrid simulation...; airy123 Analog electronics

STM32 interrupt global variables: In ccit.h, define the global array volatile uint8_t global[50]; it.c references #include''ccit.h" and then uses extern uint8_t global[50] in main.c; This array receives the data from serial port 2. Th...; duzhiming stm32/stm8

Shortcut: A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF AG AH AI AJ AK AL AM AN AO AP AQ AR AS AT AU AV AW AX AY AZ B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF BG BH BI BJ BK BL BM BN BO BP BQ BR BS BT BU BV BW BX BY BZ C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF DG DH DI DJ DK DL DM DN DO DP DQ DR DS DT DU DV DW DX DZ

Popular Components