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RK73H2ATTD2003F

200kOhm 0.25W thick film chip resistor, 0805, ±1%, ±100ppm/°C, AEC-Q200 precision automotive grade

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Manufacturer Part：

RK73H2ATTD2003F

Package：

0805 (2012 Metric) 2.0 x 1.25 x 0.5 mm

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Description

Product Overview

The RK73H2ATTD2003F is a precision thick film chip resistor manufactured by KOA Speer Electronics, part of the RK73H series. It features a resistance of 200 kOhm with ±1% tolerance in a 0805 (2012 Metric) surface-mount package. With a power rating of 0.25W (1/4W), temperature coefficient of ±100 ppm/°C, and maximum working voltage of 150V, this resistor is AEC-Q200 qualified for automotive applications. The device operates reliably over a wide temperature range of -55°C to +155°C and features high stability and reliability with a triple-layer electrode construction.

Key Specifications

Resistance 200 kOhm
Power Rating 0.25W (1/4W)
Tolerance ±1%
Temperature Coefficient ±100 ppm/°C
Package / Case 0805 (2012 Metric)
Maximum Working Voltage 150V
Maximum Overload Voltage 300V
Operating Temperature Range -55°C to +155°C
Rated Ambient Temperature 70°C
Rated Terminal Part Temperature 125°C
Composition Thick Film (Metal Glaze)
Dimensions (L x W x T) 2.0 x 1.25 x 0.5 mm
Qualification AEC-Q200
EU RoHS Compliant with Exemption

Features

  • AEC-Q200 qualified for automotive grade reliability
  • Precision ±1% tolerance and ±100 ppm/°C TCR
  • High stability and reliability for demanding applications
  • Metal glaze thick film on alumina ceramic substrate
  • Triple-layer electrode construction for high reliability
  • Suitable for both flow and reflow soldering processes
  • 0805 package offers good power handling in compact footprint

Applications

  • Automotive ECU precision measurement circuits
  • High-impedance voltage dividers in sensor interfaces
  • Industrial instrumentation and control
  • Medical equipment signal conditioning
  • Telecommunications and networking equipment

The RK73H2ATTD2003F is a precision thick film flat chip resistor from KOA Speer Electronics’ RK73H series. With a resistance value of 200 kOhm, ±1% tolerance, and ±100 ppm/°C temperature coefficient, this resistor is designed for high-stability applications requiring precise resistance values. The 0805 package provides a power rating of 0.25W with a maximum working voltage of 150V, offering an excellent balance between power handling and board space efficiency. The metal glaze thick film on alumina ceramic substrate ensures excellent heat resistance and environmental stability. AEC-Q200 qualification confirms automotive-grade reliability for demanding environments.

The RK73H2ATTD2003F operates as a passive thick film resistor:

1. Resistive Element: A metal glaze thick film is screen-printed onto the alumina ceramic substrate and fired at high temperature. The 200 kOhm value is achieved through precise control of film composition and geometric pattern.

2. Precision Control: The ±1% tolerance and ±100 ppm/°C TCR are achieved through laser trimming of the resistive film during manufacturing.

3. Power Derating: Full 0.25W rating available up to 70°C ambient. Above 70°C, power decreases linearly to zero at 155°C.

4. Voltage Limitation: The effective working voltage is the lesser of sqrt(P x R) and 150V maximum.

Terminal Name Type Function
1 Terminal A Passive Resistor terminal – one end of the resistive element
2 Terminal B Passive Resistor terminal – other end of the resistive element

Note: This is a 2-terminal passive chip resistor with no polarity. The 0805 package has terminations on opposite ends.

Application Circuit Role Key Requirement
Automotive ECU High-impedance voltage divider ±1%, AEC-Q200, -55°C to +155°C
Sensor Interface Precision feedback resistor ±100 ppm/°C, 150V withstand
Medical Equipment Signal conditioning network High stability, ±1% tolerance
Industrial Instrumentation Measurement bridge resistor 0.25W, precision grade
Telecom Equipment Biasing and filtering High reliability, compact size
Manufacturer Part Number Package Key Specs Notes
Yageo RC0805FR-07200KL 0805 200kOhm, 0.125W, 1% Lower power rating
Vishay CRCW0805200KFKEA 0805 200kOhm, 0.125W, 1% Lower power rating
Panasonic ERJ-6ENF2003V 0805 200kOhm, 0.125W, 1% Lower power rating
Bourns CR0805-FX-2003ELF 0805 200kOhm, 0.125W, 1% Lower power rating
TE Connectivity CRG0805F200K 0805 200kOhm, 0.125W, 1% Lower power rating
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

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Contact Information

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Tel / WhatsApp: +86 13760382860

Service & Packaging

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Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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