Automotive Grade Pre-Charge / Discharge Resistors
High Power Ceramic Cased Resistors

BGRV wirewound resistors – designed to withstand the high inrush currents present in Electric Vehicle pre-charge circuits.
BWRV wirewound resistors – features lower resistance values as well as improved T.C.R. and tight resistance tolerances.
BSRV metal oxide resistors – designed for the capacitor discharge…

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KOA’s special anti-sulfuration resistors are intended to be used under harsh environment with a high level of sulfur contamination.

A high reliable material with extremely high sulfuration-proof characteristics is used in the inner top electrodes. Thanks to technical know-how of sulfuration-proof material, KOA has been able to achieve an extremely high level of sulfuration-proof performance.

KOA…

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KOA’s new RS73-series are ESD transient tolerant high precision and high reliability resistors using thick film technology.

With a T.C.R. down to ±25ppm and a tolerance as low as ±0.1%, the new RS73-series from KOA is ideal for precision designs such as highaccuracy
sensing or voltage detection circuits in automotive, industrial and measuring applications, where ESD sensitivity is an issue.

The…

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KOA’s wide terminal resistors offer several advantages compared to standard footprints.

High reliability and enhanced terminal strength are essential in all power applications.

The 0612 chip size allows 4 × power rating compared to standard 1206 parts. This saves board space and is possible due to the improved heat dissipation via the solder joints.

The new WG73 series has approx. 20 times the…

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KOA’s high voltage HV73-series has been expanded with the addition of the new HV73V-types for automotive applications.

• Increased power rating for HV73V2A (0805 = 0.25 W)
• Increased max. working voltage for HV73V2B (1206 = 800 V)

The special inner material makes the part suitable for high voltages with improved temperature cycling stability compared to standard resistors.
The higher critical…

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The new HS series from KOA is ideal for sensing currents up to 600 A.

Constructed using a solid metal alloy resistance element with copper terminations the device provides superior corrosion and heat resistance and has excellent pulse resistance.

Product Features:

• Large current detection by ultra-low resistance of 100 μΩ
• High accuracy sensing with dedicated detection terminals
• High…

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With the SG73-series, KOA offers a resistor series which has approx. 10 times higher pulse handling capability compared to standard flat chip resistors.

Due to this outstanding pulse load capability these are suitable for protection of electronic circuits against extreme pulses and surges.

These resistors are available with ±10 % or ±20 % resistance tolerance.

KOA has recently optimized the…

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KOA’s SDT310 range of resistance temperature detectors (RTD) are available in both radial and axial formats.

These sensors offer excellent linearity, high stability, homogenous heating, high accuracy and fast response times.

The new SDT310VASP series combines improved heat response times in a body a quarter the size of conventional types.

All SDT310 are ideal for high accuracy sensing in…

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The power rating for several wide terminal chip resistor series has been increased – as a result of rigorous temperature testing, development and evaluation.

KOA’s wide terminations SMD resistors now allow the designer to use a higher power rating for chip sizes 0612, 1020 and 1225.

The 90° rotated design offers several advantages compared to standard resistor footprints, such as:

• Higher…

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KOA introduces two new series of 4 terminal current shunts for high current applications.

Constructed using a solid metal alloy resistance element with copper terminations the device provides superior corrosion and heat resistance and has excellent pulse resistance.

These new shunt resistors are ideal for accurate high current sensing in automotive and industrial applications as well as in pulse…

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