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CRCW1210845RFKEAHP

845Ohm 0.75W high-power thick film resistor, 1210, ±1%, ±100ppm/°C, AEC-Q200

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Manufacturer Part：

CRCW1210845RFKEAHP

Package：

1210 (3225 Metric) 3.2 x 2.5 x 0.65 mm

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Description

Product Overview

The CRCW1210845RFKEAHP is a high-power thick film chip resistor from Vishay’s D/CRCW e3 HP (High Power) series, featuring 845 Ohm resistance with ±1% tolerance in a 1210 (3225 Metric) surface-mount package. The HP variant provides 0.75W power rating, significantly higher than the standard 0.5W for this package size. AEC-Q200 qualified for automotive applications requiring higher power dissipation.

Key Specifications

Resistance 845 Ohm
Tolerance ±1% (F)
Power Rating 0.75W (HP)
Temperature Coefficient ±100 ppm/°C
Package / Case 1210 (3225 Metric)
Maximum Working Voltage 200V
Operating Temperature -55°C to +155°C
Qualification AEC-Q200

Features

  • High Power (HP) variant: 0.75W vs standard 0.5W
  • AEC-Q200 automotive qualified
  • E96 precision resistance value (845 Ohm)
  • ±1% tolerance with ±100 ppm/°C TCR
  • 1210 package for higher power handling

Applications

  • Power supply current sensing
  • Motor drive gate resistor
  • Automotive LED driver current setting
  • Industrial power converter snubber networks

The CRCW1210845RFKEAHP is a high-power thick film chip resistor from Vishay’s D/CRCW e3 HP series, featuring 845 Ohm resistance with ±1% tolerance in a 1210 (3225 Metric) surface-mount package. The HP variant provides 0.75W power rating, significantly higher than the standard 0.5W. AEC-Q200 qualified for automotive applications requiring higher power dissipation in a compact footprint.

The CRCW1210845RFKEAHP operates as a passive thick film resistor:

1. High Power Design: The HP variant uses optimized thick film composition and substrate thermal design to achieve 0.75W rating in a 1210 package, 50% higher than the standard 0.5W. This is achieved through improved heat dissipation from the resistive element to the PCB.

2. Resistive Element: Cermet thick film on alumina substrate, laser-trimmed to 845 Ohm E96 value. The 1210 package provides sufficient area for the power rating.

3. Power Derating: Full 0.75W up to 70°C ambient, derating linearly to zero at 155°C.

4. Voltage Rating: 200V maximum working voltage provides adequate margin for power supply and motor drive applications.

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: 2-terminal passive chip resistor, no polarity. The 1210 HP package provides 0.75W power rating for higher power applications.

Application Circuit Role Key Requirement
Power Supply Current sense and gate resistor 845 Ohm, 0.75W, 200V
Motor Drive Gate resistor for IGBT/MOSFET 0.75W HP, AEC-Q200
LED Driver Current setting resistor 845 Ohm E96, high power
Industrial Converter Snubber network resistor 1210, 0.75W, 200V
Automotive ECU Power management resistor AEC-Q200, ±1% precision
Manufacturer Part Number Package Key Specs Notes
Panasonic ERJ14NF8450U 1210 845 Ohm, 0.5W, 1% Lower power equivalent
Yageo RC1210FR-07845RL 1210 845 Ohm, 0.5W, 1% Lower power equivalent
KOA Speer RK73H2ETTD8450F 1210 845 Ohm, 0.5W, 1% Lower power equivalent
Bourns CR1210-FX-8450ELF 1210 845 Ohm, 0.5W, 1% Lower power equivalent
Walsin WR1210F8450FTL 1210 845 Ohm, 0.5W, 1% Lower power equivalent
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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