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ERJ-2RKF2200X

22Ohm 0.1W thick film resistor, 0402, ±1%, ±100ppm/°C, AEC-Q200

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Manufacturer Part：

ERJ-2RKF2200X

Package：

0402 (1005 Metric) 1.0 x 0.5 x 0.35 mm

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Description

Product Overview

The ERJ-2RKF2200X is a thick film chip resistor from Panasonic’s ERJ series, featuring 22 Ohm resistance with ±1% tolerance and ±100 ppm/°C temperature coefficient in an ultra-compact 0402 (1005 Metric) surface-mount package. AEC-Q200 qualified, it is commonly used for source termination, current limiting, and damping in high-speed digital and RF circuits.

Key Specifications

Resistance 22 Ohm
Tolerance ±1% (F)
Power Rating 0.1W (1/10W)
Temperature Coefficient ±100 ppm/°C
Package / Case 0402 (1005 Metric)
Operating Temperature -55°C to +155°C
Qualification AEC-Q200

Features

  • AEC-Q200 automotive qualified
  • Standard E24 value (22 Ohm) for termination
  • Ultra-compact 0402 for high-density mounting
  • ±1% tolerance with ±100 ppm/°C TCR
  • Suitable for source termination and current limiting

Applications

  • High-speed digital source termination
  • USB/UART line damping
  • LED current limiting
  • RF circuit impedance matching

The ERJ-2RKF2200X is a thick film chip resistor from Panasonic’s ERJ series, featuring 22 Ohm resistance with ±1% tolerance and ±100 ppm/°C temperature coefficient in an ultra-compact 0402 (1005 Metric) surface-mount package. AEC-Q200 qualified, it is commonly used for source termination, current limiting, and damping in high-speed digital and RF circuits where space is at a premium.

The ERJ-2RKF2200X operates as a passive thick film resistor:

1. Resistive Element: Metal glaze thick film on alumina substrate, laser-trimmed to 22 Ohm.

2. Source Termination: The 22 Ohm value is commonly used for series source termination of high-speed digital lines (USB, CAN, SPI). Combined with the transmission line impedance (typically 50 Ohm), it matches the source to the line, reducing reflections.

3. Current Limiting: At 22 Ohm, the resistor limits current while maintaining acceptable voltage drop. For LED driving at 20mA, the drop is only 0.44V.

4. Power Rating: 0.1W allows up to 67mA continuous current (sqrt(0.1/22)).

Terminal Name Type Function
1 Terminal A Passive Resistor terminal
2 Terminal B Passive Resistor terminal

Note: 2-terminal passive chip resistor, no polarity. 22 Ohm is a common value for source termination and current limiting applications.

Application Circuit Role Key Requirement
High-Speed Digital Series source termination 22 Ohm, 0402, low inductance
USB Interface Line damping and EMI reduction ±1%, AEC-Q200
LED Driver Current limiting resistor 22 Ohm, 0.1W, compact
RF Circuit Impedance matching pad 0402, ±100 ppm/°C
MOSFET Gate Gate resistor for switching 22 Ohm, low inductance
Manufacturer Part Number Package Key Specs Notes
Vishay CRCW040222R0FKEA 0402 22 Ohm, 0.063W, 1% Direct equivalent
Yageo RC0402FR-0722RL 0402 22 Ohm, 0.063W, 1% Direct equivalent
KOA Speer RK73H1ETTP2200F 0402 22 Ohm, 0.063W, 1% Direct equivalent
Samsung RC1005F2200CS 0402 22 Ohm, 0.063W, 1% Direct equivalent
Walsin WR04X2200FTL 0402 22 Ohm, 0.063W, 1% Direct equivalent
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