Koa Speer Electronics, Inc.

Multilayer Metal Oxide Varistor protects against load dump surge.
Electronic Components & Devices

Multilayer Metal Oxide Varistor protects against load dump surge.

Offered in 2L (6.1 x 5.1 mm) size, NV73DSÂ- absorbs surge voltage that occurs from inductive loads of motors and relays to protect electronic components. This 40 J load dump varistor offers voltage ranges from 20–45 V1mA as well as max clamping voltages from 40–60 V1A and operates from -40 to +125°C. Symmetrical non-linearity V-I characteristics are suited...

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Thick Film Chip Resistor is made with sulfur-proof material.
Electronic Components & Devices

Thick Film Chip Resistor is made with sulfur-proof material.

Made with sulfur-proof electrode material, RK73H-RT features precision tolerances of 0.5% and 1.0% and resistance range of 10 Ω toÂ- 10 MΩ. Power rating is from 1/16–1 W and TCR values are Â±100 and ±200 ppm/°C. Operating from -55 to +155°C, AEC-Q200-qualified product uses thick metal glaze film to provide heat and weather resistance. Sizes range...

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Flat Chip Resistors feature 0.75 W power rating.
Electronic Components & Devices

Flat Chip Resistors feature 0.75 W power rating.

Housed in 0612 size package with wide terminal construction, Models WK73S2B and WK73R2B offer resistance range of 10 mΩ to 9.1 Ω and 10 Ω to 1 MΩ, respectively. AEC-Q200 qualified units feature tolerances of 1% and 5% and TCR values of ±100 to ±800 ppm/°C. Providing current sensing for power supply circuits,Â- resistors are suited for automotive electronics,...

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Current Sense Resistor offers resistance range of 10-270 mOhm.
Electronic Components & Devices

Current Sense Resistor offers resistance range of 10-270 mOhm.

Based on metal foil technology, Model TLRH3AW features TCR of ±75 ppm in 10~22 mΩ range and ±50 ppm in 24~270 mΩ range with 1% resistance tolerance. Metal plate chip resistor provides corrosion protection and temperature resistance up to +170°C, as well as resistance to thermal/mechanical shock, moisture, and vibration. With 2 W power rating in 2512 package, AEC-Q200 qualified...

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Thin Film Chip Resistor features moisture resistant layer.
Electronic Components & Devices

Thin Film Chip Resistor features moisture resistant layer.

Housed in 0603 package, Model RN73H1J offers resistance range of 10 Ω to 1 MΩ with precision tolerance of ±0.05% to ±1.0%, power rating of 1/10 W, and TCR values of ±5 to ±100 ppm/°C. AEC-Q200-qualified resistor operates at temperatures up to 155°C, making it suitable for applications within transportation, medical, telecommunications, consumer electronics,...

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Electronic Components & Devices

Fusing Resistors feature pulse capability.

With power rating of 1 W, TPR Series Temperature Protection Fusing Resistors safely interrupt open circuits up to 250 Vac and completely isolate circuit after quickly fusing to overload. Units feature pulse capability of wirewound resistors and are approved by UL1412 safety standards. Operating from -40 to +150°C with resistance values of 2 Ω to 10 kΩ at 5% tolerance, resistors are suited...

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Electronic Components & Devices

Thin Film Chip Resistor offers heat resistance to +155°C.

Available in 0402Â- size, Model RN73H1E features power rating of 0.063 W, TCR values of ±10 to ±50 ppm/°C, precision tolerance of 0.1~1.0%, and resistance range of 10 Ω to 300 kΩ. Use of special protective layer over resistive film construction enable moisture resistance of 85°C ±2°C, 85% ±4% RH, 1,000 h. Offered with lead-free terminations to meet...

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Electronic Components & Devices

Metal Plate Current Sense Resistor is offered in 0805 size.

Constructed with metal alloy that provides corrosion and heat resistance, TLR2A 1 W, 0805-size metal plate resistor has resistance range of 5–10 mΩ, resistance tolerance of ±1%, and TCR of ±100 ppm. Non-trimming construction with pulse resistance is standard, and thickness as low as 0.26 mm. Areas of use include applications in telecommunications and consumer electronics, such as...

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Electronic Components & Devices

Thick Film Chip Resistors offers expanded resistance range.

General-purpose RK73B1F series includes 01005 (1F) size with resistance values from 4.7 ΩÂ- to 1 MΩ for both 2% and 5% tolerances as well as power rating of 0.03 W and TCR up to +300 ppm/°C. All E-24 Values will be available for this resistor. Used primarily on portable products, RK73B chip SMT resistor series is available in sizes from 01005 (1F) up to 2512 (3WA)....

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Multilayer Metal Oxide Varistor protects against load dump surge.
Electronic Components & Devices

Multilayer Metal Oxide Varistor protects against load dump surge.

Offered in 2L (6.1 x 5.1 mm) size, NV73DSÂ- absorbs surge voltage that occurs from inductive loads of motors and relays to protect electronic components. This 40 J load dump varistor offers voltage ranges from 20–45 V1mA as well as max clamping voltages from 40–60 V1A and operates from -40 to +125°C. Symmetrical non-linearity V-I characteristics are suited...

Read More »
Thick Film Chip Resistor is made with sulfur-proof material.
Electronic Components & Devices

Thick Film Chip Resistor is made with sulfur-proof material.

Made with sulfur-proof electrode material, RK73H-RT features precision tolerances of 0.5% and 1.0% and resistance range of 10 Ω toÂ- 10 MΩ. Power rating is from 1/16–1 W and TCR values are Â±100 and ±200 ppm/°C. Operating from -55 to +155°C, AEC-Q200-qualified product uses thick metal glaze film to provide heat and weather resistance. Sizes range...

Read More »
Flat Chip Resistors feature 0.75 W power rating.
Electronic Components & Devices

Flat Chip Resistors feature 0.75 W power rating.

Housed in 0612 size package with wide terminal construction, Models WK73S2B and WK73R2B offer resistance range of 10 mΩ to 9.1 Ω and 10 Ω to 1 MΩ, respectively. AEC-Q200 qualified units feature tolerances of 1% and 5% and TCR values of ±100 to ±800 ppm/°C. Providing current sensing for power supply circuits,Â- resistors are suited for automotive electronics,...

Read More »
Current Sense Resistor offers resistance range of 10-270 mOhm.
Electronic Components & Devices

Current Sense Resistor offers resistance range of 10-270 mOhm.

Based on metal foil technology, Model TLRH3AW features TCR of ±75 ppm in 10~22 mΩ range and ±50 ppm in 24~270 mΩ range with 1% resistance tolerance. Metal plate chip resistor provides corrosion protection and temperature resistance up to +170°C, as well as resistance to thermal/mechanical shock, moisture, and vibration. With 2 W power rating in 2512 package, AEC-Q200 qualified...

Read More »
Thin Film Chip Resistor features moisture resistant layer.
Electronic Components & Devices

Thin Film Chip Resistor features moisture resistant layer.

Housed in 0603 package, Model RN73H1J offers resistance range of 10 Ω to 1 MΩ with precision tolerance of ±0.05% to ±1.0%, power rating of 1/10 W, and TCR values of ±5 to ±100 ppm/°C. AEC-Q200-qualified resistor operates at temperatures up to 155°C, making it suitable for applications within transportation, medical, telecommunications, consumer electronics,...

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Company News

Celestica Recognizes KOA Corporation as an Honoree in Its 2012 Total Cost of Ownership Supplier Awards Program

Bradford, PAÂ- – KOA Corporation has been recognized as an honoree in the 2012 Total Cost of Ownership (TCOOTM) Supplier Award program from Celestica, a global leader in the delivery of end-to-end product lifecycle solutions. Celestica's awards program recognizes suppliers that support Celestica's TCOO strategy and demonstrate excellence in quality, delivery, technology, service, pricing...

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Company News

KOA Speer Receives Top Supplier TTI Awards for 2012

Bradford, PA –Â- KOA Speer Electronics, a leading supplier of passive electronic components, announces that they have once again received the Platinum Level, Diamond, and Best Quality Awards from TTI. The TTI Supplier Excellence Award Program represents the highest recognition possible of a supplier’s performance within TTI. The program is centered on quality measurements that include:...

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Electronic Components & Devices

Fusing Resistors feature pulse capability.

With power rating of 1 W, TPR Series Temperature Protection Fusing Resistors safely interrupt open circuits up to 250 Vac and completely isolate circuit after quickly fusing to overload. Units feature pulse capability of wirewound resistors and are approved by UL1412 safety standards. Operating from -40 to +150°C with resistance values of 2 Ω to 10 kΩ at 5% tolerance, resistors are suited...

Read More »
Electronic Components & Devices

Thin Film Chip Resistor offers heat resistance to +155°C.

Available in 0402Â- size, Model RN73H1E features power rating of 0.063 W, TCR values of ±10 to ±50 ppm/°C, precision tolerance of 0.1~1.0%, and resistance range of 10 Ω to 300 kΩ. Use of special protective layer over resistive film construction enable moisture resistance of 85°C ±2°C, 85% ±4% RH, 1,000 h. Offered with lead-free terminations to meet...

Read More »

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