Packaged Network Devices and Multi-Chip Modules

Design and Manufacturing

Texas Components specializes in the design and manufacturing of custom packaged network devices and multi-chip modules. Together with Texas Microelectronics Corporation,
an adjacent TxCC sister operation, Texas Components can support
even custom hybrid/microelectronic circuit design and manufacturing as
well - all featuring innovative and proprietary high temperature electronic solutions for demanding applications. 

Contact us today regarding your needs!

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Bulk Metal® Foil Resistor Technology Guides and Resources
(Click the highlighted link to access the resource)

Click here for the TXCC Comprehensive Bulk Metal® Foil Technology Design Guide

• Bulk Metal® Foil Technology Overview – Slide presentation providing a general overview of Bulk Metal® Foil technology.
• Bulk Metal® Foil Technology Quick Guide / Overview – Quick guide to Bulk Metal® Foil technology.
• Bulk Metal® Foil Design and Selection Guide – Expanded design and selection guide for Bulk Metal® Foil technology. The selector guide is divided into sections providing the resistance range, tolerance, TCR, rated power, power coefficient of resistance (PCR), and load life stability of various Bulk Metal® Foil products.

• 10 Technical Reasons (to choose Bulk Metal® Foil) – The key (amazing!) properties of Bulk Metal® Foil resistors (that exceed all other resistive technologies).
• Demonstration Videos – Various short videos demonstrating, in real world applications, the unique properties of Bulk Metal® Foil resistors.
• Training Modules – Various short training presentations.
• Facts At A Glance – Various tips, strategies, and technical presentations to help you maximize the performance of your products and designs using Bulk Metal® Foil resistors.
• Technical Notes – Various scientific and technical papers describing the challenges of real world analog circuitry, comparing the available technologies, and offering solutions to help you maximize the performance of your products and designs.
• Kelvin Connection – 4-wire/terminal connection for current sense applications.

More Resources:
(Click the highlighted link to access the resource)

• Dr. Felix Zandman – Inventor of PhotoStress® coatings and instruments, developer of Bulk Metal® Foil resistors and resistive current sensors, and founder of Vishay Intertechnology.
• Vishay Intertechnology, Inc. – Vishay Precision Group (VPG) operated as a part of Vishay Intertechnology until July 6, 2010, when it was spun off as an independent, publicly traded company.
• Vishay Precision Group – VPG is a designer, manufacturer and marketer of resistive foil technology products such as resistive sensors, weighing modules, and control systems for a wide variety of applications.
• Vishay Foil Resistors – Vishay Foil Resistors utilize award-winning Bulk Metal® Foil technology, allowing designers to significantly reduce circuit errors and greatly improve overall circuit performance.
• Introduction to Bulk Metal® Foil Technology and the Precision Resistor Industry – The electronics industry has evolved at a remarkable rate. Technological advances, miniaturization, and other factors have put pressure on designers to use discrete components that excel in performance and reliability.
• Extend Your Capabilities with Bulk Metal® Foil – Bulk Metal® Foil resistor products are used in the most demanding Space, Military, Metrological, ATE, and commercial applications from deep in the Earth to the farthest reaches of Space.
• Examples of Applications – Special applications in space, audio, test equipment, aviation, cryogenics, down hole, electron beam, industrial, laboratory & metrology, medical, military, precision instrumentation, and scales.
• Focus on Avionics, Military, and Space Applications – First introduced in 1962, Bulk Metal® Foil technology still out-performs all other resistor technologies for applications that require precision, stability, and reliability.

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Vishay Precision Group Bulk Metal® Foil
resistors  from Texas Components

Texas Components is the largest and most experienced independent manufacturer and distributor of Bulk Metal® Foil based resistors located in the USA, having over 37 years of experience with even the most complex designs and applications. As a licensed and certified Precision Center, Texas Components is an authorized part of the Vishay Precision Group global supply chain for manufacturing and distributing resistive products made using Bulk Metal® Foil, including standard Vishay Foil Resistors as well as our own unique design applications and derivative products. Our made in the USA products are offered with no minimum order quantity, and delivery in less than one week is possible for many designs and models not otherwise in stock!

Watch this brief introduction to Bulk Metal® Foil Resistor Technology

Bulk Metal® Foil resistive products are known for their unique combination of unmatched performance in all 10 major technical areas: 

For any application, if your products or designs need this superior resistive performance, only Bulk Metal® Foil will meet the challenge and make possible designs and circuitry performance that are simply not possible otherwise.

Our offerings and capabilities include:

• No minimum order
• Delivery in less than 1 week is possible for many designs and models not otherwise in stock
• Precise custom values: Specify any value you need or want! (e.g. 998.95 Ω vs 1 kΩ)
• Ultra low TCR: < 5ppm/°C, < 2ppm/°C, < 0.2ppm°C, and even < 0.05ppm/°C is available/possible in various through-hole, surface-mount, and packaged designs
• Ultra tight tolerance: As low as 0.001% accuracy in certain models
• Ultra low noise: For audio and other specialized applications – a difference you can hear!
• High temperature designs and applications above 200°C and even up to 260°C
• Lead-free and RoHS-compliant versions available upon request for most models
• Qualified for DSCC (DESC/DLA) military specifications!
• Custom and proprietary designs and packaging including PLC, SIP & DIP, resistor arrays, networks & dividers, power & current sensing, and high temperature
• Extensive pre and post manufacturing operations as well as customized testing services; including discrete unit parametric screening, set matching, power conditioning, burn-in, and life-testing
• Stocking programs andjust-in-time (JIT) delivery services
• All Industries served;
including Aerospace, Audio & Low Frequency, Automatic Test
Equipment, Commercial Avionics, Cryogenics, Down Hole, Electron Beam,
Energy and Smart Grid, Industrial, Laboratory and Metrology, Medical,
Military, Oceanography, Precision Instrumentation, Scales,
Transportation, Meteorology, Weather Stations, and more!
• Diverse applications;
including bridge networks, current sensing, differential amplifiers,
gyroscopes and navigational controls, pressure sensors, standards and
decade boxes, power supplies, telecommunications, and more!>
• Broad range of product categories;
including through-hole, surface-mount, axial leads, voltage dividers
and networks, hermetically sealed, power and current sensing, high
temperature, hybrid chips and PRND, military and space, trimming
potentiometers, audio, small profile, and more!

Our experienced Applications Engineers and friendly Sales Staff are available and eager to assist you!

Contact us today for more information or a quote:

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Custom Designs / Specialized Solutions / Extensive Testing Services

Texas Components can conceive and manufacture special solutions to your resistive and/or other special component and circuitry needs as well as support custom physical configurations, and performance characteristics, (TCRs, environment compatibility, power ratings, etc).

Our custom designs, for example, include high temperature through-hole and surface-mount precision resistors, as well as packaged networks (PRND), dividers, and multi-chip modules for operational environments above 200°C and even up to 260°C 

Texas Components also offers extensive pre and post manufacturing services (PMOs) as well as extensive testing services; including discrete unit parametric screening, set matching, power conditioning, burn-in, and life-testing.

Email, phone, or fax us with your wish list so our applications engineers can study it – we will make or find a solution for you, and we’ll send a specifications document to detail the proposal!

EXAMPLE OF TESTING SERVICES:

PRE/POST MANUFACTURING OPERATIONS, aka PMOs
(for Bulk Metal Foil Resistors)

Pre and Post Manufacturing Operations (PMOs) enhance the already greater stability inherent in Bulk Metal Foil Resistor. These PMOs are uniquely applicable to resistors made of Bulk Metal resistive foil, and they take the already superior stability of Bulk Metal Foil based devices one step further. The PMOs described are not applicable to thick film, thin film, or wire – as they constitute an exercising of the resin that bonds the Bulk Metal Foil to the substrate.

The exercises that are employed are (1) temperature cycling (2) short time overload, and (3) accelerated load life.

Temperature Cycling:
This exercise is done initially in the chip stage of all production and will eliminate any fallout in the PMO cycling. The cycling exercises the bonding resin and relaxes the Bulk Metal Foil without reducing the bonding strength. A small reduction in resistance is tolerable during this PMO operation.

Short Time Overload (STO):
The STO operation is performed on all resistors during manufacturing. Its function is to eliminate shorts (if any) so this PMO operation is further assurance and enhancement of the inherent pattern based design of Bulk Metal Foil.

Accelerated Load
The standard load-life curve of a Bulk Metal Foil resistor exhibits a change in the beginning of the load-life, and then not much change after the first 100 hours. By employing the PMO exercise of accelerated loading, this bend in the load-life curve can be removed so that the resistor is, thereafter, always on the flat part of the curve. How much acceleration is a function of the application should be worked out between our applications engineering department and your design team.

Conclusion
These same operations when applied to resistors based on thick film, thin film, and wire technology (for example) have vastly different consequences. The PMOs are only applicable to Bulk Metal Foil, and they are in fact an enhancement to the resistor’s performance (when they can actually drive other resistor types out of tolerance, or even open). The failure mechanisms in these other resistor types are too numerous to discuss here, but Bulk Metal Foil resistors are the least affected by these PMOs – and, in fact, these PMOs only serve to further stabilize and enhance overall Bulk Metal Foil resistor performance. Accordingly, such PMOs should be considered when the level of stability required is beyond even the published limits for standard product.

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