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WK73S3A3TTE4R42F

Koa Speer Electronics

WK73S3A3TTE4R42F by Koa Speer Electronics

WK73S3A3TTE4R42F by Koa Speer Electronics is a fixed resistor with 4.42 ohm resistance, suitable for surface mount applications. With a rated power dissipation of 3W and operating voltage of 3.64V, it operates b/w -55 to 155 °C, making it ideal for various electronic circuits requiring precise resistance values. The metal glaze/thick film technology ensures high performance and reliability in compact designs.

Median Price

$0.222

Lifecycle Status

Suppliers In-Stock

2

In-Stock Inventory

< 1k

Distributors (In-Stock)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Nova Conductors

Japan . 50 parts In-Stock

1+ parts

$0.222

100+ parts

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1k+ parts

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10k+ parts

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50

$0.222

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-

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Vyrian

USA . 487 parts In-Stock

1+ parts

-

100+ parts

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1k+ parts

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10k+ parts

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487

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Distributors (Availability)

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Argo Parts USA

USA . 4,861 parts In-Stock

1+ parts

$0.222

100+ parts

-

1k+ parts

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10k+ parts

$0.215

4,861

$0.222

-

-

$0.215

Continental Prestige Electronics

USA . 241 parts In-Stock

1+ parts

$0.222

100+ parts

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1k+ parts

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10k+ parts

$0.218

241

$0.222

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$0.218

AZTECH Wire

Italy . 863 parts In-Stock

1+ parts

$17.166

100+ parts

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1k+ parts

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863

$17.166

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Netroflash

USA . 2,000 parts In-Stock

1+ parts

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100+ parts

$0.218

1k+ parts

$0.211

10k+ parts

$0.206

2,000

-

$0.218

$0.211

$0.206

Overview

KOA Speer WK73 Wide Terminal Flat Chip Resistors are highly reliable and have high performance with T.C.R. ±100 x 10-6/K and a resistance tolerance of ±1%. The wide terminals offer higher power ratings, superior thermal shock characteristics, and high solder joint reliability.  Constructed of a ceramic substrate, resistive film, solder and plating, and a protective coating, KOA Speer WK73 Wide Terminal Flat Chip Resistor products with lead-free terminations meet EU RoHS requirements.

Feature Benefit Bullets

Rated Temperature: 70 °C

Provides stable performance within specified temperature range.

Technology: METAL GLAZE/THICK FILM

Offers high reliability and precision in resistance values.

Construction: Rectangular

Compact design for efficient use of space in electronic circuits.

Resistance: 4.42 ohm

Specific resistance value for precise current limiting or voltage division.

No. of Terminals: 2

Simple and easy to connect in a circuit.

Maximum Operating Temperature: 155 °C

Can withstand high temperature environments without performance degradation.

Minimum Operating Temperature: -55 °C

Suitable for operation in low temperature conditions.

Temperature Coef (ppm/°C): 100

Provides stable resistance value over a wide temperature range.

Terminal Finish: TIN OVER NICKEL

Enhances terminal durability and conductivity.

Height (Package): 0.6 mm

Low profile design for space-constrained applications.

Operating Voltage: 3.64 V

Rated to handle specified voltage without damage.

Tolerance: 1 %

Ensures accuracy in resistance value for consistent performance.

Package Style (Meter): SMT

Suitable for surface mount technology for ease of assembly.

Rated Power Dissipation (P): 3 W

Can handle high power dissipation without overheating.

Reference Standard: AEC-Q200

Meets automotive industry standards for quality and reliability.

Width (Package): 6.3 mm

Compact size for integration in tight spaces.

Technical Specifications

Fixed Resistors WK73S3A3TTE4R42F attributes and parameters. Explore more Fixed Resistors devices from Koa Speer Electronics

Specs

Construction:

Rectangular

JESD-609 Code:

e3

Mounting Type:

No. of Terminals:

2

Maximum Operating Temperature:

Minimum Operating Temperature:

-55 Cel

Height (Package):

.6 mm

Length (Package):

3.1 mm

Package Style (Meter):

SMT

Width (Package):

6.3 mm

Packing Method:

TR, EMBOSSED PLASTIC, 7 INCH

Rated Power Dissipation (P):

3 W

Rated Temperature:

70 Cel

Reference Standard:

AEC-Q200

Resistance:

Resistor Type:

Size Code:

1225

Technology:

METAL GLAZE/THICK FILM

Temperature Coef (ppm/Cel):

100

Terminal Finish:

TIN OVER NICKEL

Terminal Shape:

WRAPAROUND

Tolerance:

1 %

Operating Voltage:

3.64 V

Trade Compliance

WK73S3A3TTE4R42F Resistors trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8533.21.00.30

SB

8533.21.00.45

Manufacturer Highlights

Koa Speer Electronics

Whether you're designing the car of tomorrow or connecting the Internet of Things, you need cutting-edge product solutions to bring your design to fruition. At KOA Speer, we're the ideal partner to help you do just that. Our constantly expanding line of passive components will give you the solution to make your concept a reality! More than just Resistors - yes we're the world leader in thick film resistors, but our product line is broad and growing every day, including: Shunt/Current Sense Resistors Wide Terminal Resistors High Voltage Resistors Thin Film Chip Resistors Surge Resistors New Passive Component Solutions - our engineering group will work with your design team to develop the passive component solution you need. Many of the hundreds of new products we've introduced in recent years are the result of such collaboration.

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