Embedded resistors in a PCB allow the miniaturization of the total packages with improved electrical performance and highest reliability.

The key factors are high density mounting, good high frequency performance, excellent heat dissipation and high reliability by protection.

KOA’s resistors of XR73 series are especially designed for the usage in embedded technologies.These extremely low…

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Ceramic Resistors for Anti Pulse Surge: HPC / PCF Series.

KOA’s original bulk ceramic resistors don’t use a resistive film or wire element – the whole body is the resistive element.

This construction results in an extremely robust device capable of absorbing high pulse currents and voltages.

Product Features:

• Solid ceramic resistor body ideal for HV and surge currents
• Non-inductive
• 25kV…

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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.

Sulfuration is a phenomenon that the inner electrodes (Ag/Pd-type material) of chip resistors react with sulfur gas which creates silver sulfide.
As…

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The new SLN5, flame  proof, molded SMD current  sensing resistor from  KOA now also allows a power rating of 7W and has a T.C.R. down to ±75ppm/K.

The terminal design absorbs solder junction stress reducing the possibility  of solder cracks.

Features:

• 7W power rating in 4527 inch size
• Ultra-low resistance (5mO) and high accuracy (+-0.5%)
• Low risk of solder cracks
• High reliability
• Flame…

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

The special inner material makes the part suitable for high voltages with improved temperature cycling stability compared to standard resistors. The higher critical resistance allows a higher voltage at higher resistance values. The special coating ensures that higher voltages…

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KOA’s UR73-series thick film shunts are designed for current detection, especially in demanding environments. The special facedown construction makes lower resistance values with a low T.C.R. possible.

Compared to KOA’s existing UR73-series the new UR73V-series has an even better T.C.R. and its wide operating temperature range of -55°C to +155°C makes it ideal for applications such as automotive…

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Applications:

for XR73Z Series:  Communication module, Semiconductor packaging substrate, Smart phone, Tablet PC, Notebook PC, Wearable Device, etc.

for SLZ Series: Automotive; PC Note PCs, Battery packs, AC Adapters, DC-DC converters, etc.

for TLRZ Series: Mobile phones, PDAs, Media players, Computers, etc.

Thick Film SMD Jumper (RK73Z, XR73Z)

- No additional layer will be used, when two…

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KOA’s RK73G-series thick film resistors are designed for high precision applications using standard thick film technology.

Compared to KOA’s general-purpose RK73-series, the new RK73G-series has an even better T.C.R. of ±50 ppm/K and its low resistance tolerance of ±0.25 % is ideal for precision designs such as high-accuracy sensing or voltage detection circuits in automotive and industrial…

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KOA’s new WU73-series, available in 0612 size and in the resistance range 10mO to 100mO, is suitable for current sensing and offers a better T.C.R. compared to the standard wide terminal series.

The WU73-series with its 90° rotated design offers several advantages compared to standard resistor footprints, such as:

• Higher reliability in power applications
• Improved terminal strength
• Lower…

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Mit 3-Watt Typ (TLR3AP) in der Baugröße 2512 erweitert KOA das Leistungsspektrum seiner TLR-Serie.

Anwendungen:

• Strommessung für CPU
• Wechselrichterstromquellen
• DC-DC Konverter
• Mobilgeräte etc.

Merkmale:

• Ultra-Low-Widerstand (0.5 mO), geeignet für Anwendungen in Kleingeräten
• Ausgezeichnete Hochfrequenzeigenschaften
• Filletless Produkt (das lötende Teil dieses Produktes ist nur eine…

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