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RK73H1ETTP1001F

1.0kOhm 0.1W thick film chip resistor, 0402, ±1%, ±100ppm/°C, AEC-Q200 precision automotive grade

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Manufacturer Part：

RK73H1ETTP1001F

Package：

0402 (1005 Metric) 1.0 x 0.5 x 0.35 mm

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Description

Product Overview

The RK73H1ETTP1001F is a precision thick film chip resistor manufactured by KOA Speer Electronics, part of the RK73H series. It features a resistance of 1.0 kOhm with ±1% tolerance in a compact 0402 (1005 Metric) surface-mount package. With a power rating of 0.1W (1/10W), temperature coefficient of ±100 ppm/°C, and maximum working voltage of 75V, this resistor is AEC-Q200 qualified for automotive applications. The ‘TP’ designation indicates punched paper taping packaging, and the device operates reliably over a temperature range of -55°C to +155°C.

Key Specifications

Resistance 1.0 kOhm
Power Rating 0.1W (1/10W)
Tolerance ±1%
Temperature Coefficient ±100 ppm/°C
Package / Case 0402 (1005 Metric)
Maximum Working Voltage 75V
Maximum Overload Voltage 100V
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) 1.0 x 0.5 x 0.35 mm
Qualification AEC-Q200
Packaging Punched Paper Taping (TP)
EU RoHS Compliant with Exemption

Features

  • AEC-Q200 qualified for automotive grade reliability
  • Ultra-compact 0402 package for high-density mounting
  • Precision ±1% tolerance and ±100 ppm/°C TCR
  • Metal glaze thick film on alumina ceramic substrate
  • Triple-layer electrode construction
  • Suitable for both flow and reflow soldering
  • Wide resistance range in RK73H 1E size

Applications

  • Smartphone and wearable electronics
  • Automotive ECU precision circuits
  • High-density PCB signal conditioning
  • Portable medical devices
  • IoT sensor modules and wireless devices

The RK73H1ETTP1001F is a precision thick film flat chip resistor from KOA Speer Electronics’ RK73H series in the ultra-compact 0402 (1005 Metric) package. With a resistance of 1.0 kOhm, ±1% tolerance, and ±100 ppm/°C temperature coefficient, this resistor is designed for space-constrained applications requiring precise resistance values. The 0402 package occupies only 50% of the board area compared to 0603, making it ideal for high-density PCBs in smartphones, wearables, and IoT devices. AEC-Q200 qualification confirms automotive-grade reliability despite the miniature package size.

The RK73H1ETTP1001F 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 1.0 kOhm value is achieved through precise control of film composition and laser trimming.

2. Precision Control: The ±1% tolerance and ±100 ppm/°C TCR are maintained through tight process control and laser trimming during manufacturing.

3. Power Derating: Full 0.1W 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 75V 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 0402 package has terminations on opposite ends. Land pattern per IPC-7351: pad width 0.5-0.6mm, pad length 0.4-0.5mm.

Application Circuit Role Key Requirement
Smartphone Precision voltage divider in RF section 0402 size, ±1%, 0.1W
Wearable Device Sensor biasing resistor Ultra-compact, ±100 ppm/°C
Automotive ECU Signal conditioning network AEC-Q200, -55°C to +155°C
IoT Sensor Current limiting in low-power circuits Compact 0402, precision
Medical Portable Biasing and feedback in amplifiers ±1% tolerance, reliable
Manufacturer Part Number Package Key Specs Notes
Yageo RC0402FR-071KL 0402 1.0kOhm, 0.063W, 1% Lower power rating
Vishay CRCW04021K00FKED 0402 1.0kOhm, 0.063W, 1% Lower power rating
Panasonic ERJ-2RKF1001X 0402 1.0kOhm, 0.1W, 1% Same power rating
Bourns CR0402-FX-1001GLF 0402 1.0kOhm, 0.063W, 1% Lower power rating
TE Connectivity CRG0402F1K0 0402 1.0kOhm, 0.063W, 1% Lower power rating
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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