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RK73B1JTTDD104J

100kOhm 0.1W thick film chip resistor, 0603, ±5%, ±200ppm/°C, AEC-Q200 automotive grade

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Manufacturer Part：

RK73B1JTTDD104J

Package：

0603 (1608 Metric) 1.6 x 0.8 x 0.45 mm

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Description

Product Overview

The RK73B1JTTDD104J is a general-purpose thick film chip resistor manufactured by KOA Speer Electronics, part of the RK73B series. It features a resistance of 100 kOhm with ±5% tolerance in a compact 0603 (1608 Metric) surface-mount package. With a power rating of 0.1W (1/10W), temperature coefficient of ±200 ppm/°C, and maximum working voltage of 75V, 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 a metal glaze thick film on alumina ceramic substrate for excellent heat and weather resistance.

Key Specifications

Resistance 100 kOhm
Power Rating 0.1W (1/10W)
Tolerance ±5%
Temperature Coefficient ±200 ppm/°C
Package / Case 0603 (1608 Metric)
Maximum Working Voltage 75V
Maximum Overload Voltage 150V
Operating Temperature Range -55°C to +155°C
Rated Ambient Temperature 70°C
Rated Terminal Part Temperature 125°C
Composition Thick Film (Metal Glaze)
Termination Style SMD/SMT (Sn Plating)
Number of Terminations 2
Dimensions (L x W x T) 1.6 x 0.8 x 0.45 mm
Qualification AEC-Q200
EU RoHS Compliant with Exemption

Features

  • AEC-Q200 qualified for automotive grade reliability
  • Metal glaze thick film ensures excellent heat and weather resistance
  • Triple-layer electrode structure (inner electrode / Ni plating / Sn plating)
  • Suitable for both flow and reflow soldering processes
  • Lead-free terminations meet EU RoHS requirements
  • Wide size lineup from 01005 to 6432 in the RK73B series
  • General-purpose E24 resistance value range

Applications

  • Automotive electronics and ECU circuits
  • Pull-up and pull-down resistor networks
  • Industrial control and automation systems
  • Consumer electronics and home appliances
  • Telecommunications and networking equipment

The RK73B1JTTDD104J is a general-purpose thick film flat chip resistor from KOA Speer Electronics’ RK73B series. With a resistance value of 100 kOhm, ±5% tolerance, and ±200 ppm/°C temperature coefficient, this resistor is suitable for a wide range of general-purpose applications. The metal glaze thick film deposited on a high-purity alumina ceramic substrate provides excellent heat resistance and environmental stability. The triple-layer electrode construction with nickel barrier and tin plating ensures reliable solder joint formation and long-term stability. AEC-Q200 qualification makes this component suitable for automotive and other demanding environments requiring high reliability.

The RK73B1JTTDD104J 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 resistance value is determined by the film composition, thickness, and geometric pattern.

2. Triple-Layer Electrode: The inner electrode provides low-resistance contact to the resistive film. The nickel barrier layer prevents solder leaching and migration. The outer tin plating enables reliable solder joint formation.

3. Power Derating: At ambient temperatures up to 70°C, the full 0.1W power rating is available. 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 the maximum rated voltage of 75V.

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

Note: This is a 2-terminal passive chip resistor with no polarity. The 0603 package has terminations on opposite ends.

Application Circuit Role Key Requirement
Automotive ECU Pull-up/pull-down in digital I/O AEC-Q200, -55°C to +155°C
Power Supply Voltage divider and biasing network 0.1W, 75V withstand
Industrial Control General-purpose signal conditioning High reliability, RoHS compliant
Consumer Electronics Timing and filter networks Cost-effective, compact 0603
Telecom Equipment Line termination and impedance matching ±200 ppm/°C TCR
Manufacturer Part Number Package Key Specs Notes
Yageo RC0603JR-07100KL 0603 100kOhm, 0.1W, 5% Direct equivalent
Vishay CRCW0603100KJNEA 0603 100kOhm, 0.1W, 5% Direct equivalent
Panasonic ERJ-3GEYJ104V 0603 100kOhm, 0.1W, 5% Direct equivalent
Bourns CR0603-JW-104ELF 0603 100kOhm, 0.1W, 5% Direct equivalent
Walsin WR06X104JTL 0603 100kOhm, 0.1W, 5% Direct equivalent
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Contact Information

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Tel / WhatsApp: +86 13760382860

Service & Packaging

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Contact Information

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Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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