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Vishay Telecom Engineering Blog

Featured telecom engineering article
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The Cheapest Quote Isn't the Real Cost: A Vishay Procurement Perspective

A procurement manager explains why part numbers, not keyword searches, drive lower TCO for Vishay components like resistors, capacitors, and switches. Includes the Vishay Orange Drop trap and a practical note about time zones.

2026-09-07 · Vishay Telecom Engineering
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RF

Vishay Obsolete Parts: An FAQ on Sourcing, MKP1837, and Voltage Drop

How to handle Vishay obsolete parts, including Vishay MKP1837, voltage drop validation, and sourcing replacement passives without losing a production window.

2026-09-04 · Vishay Telecom Engineering
RF

Why a Rush 'Vishay Parts' Order Is Already Late (and What Really Fixes It)

An emergency sourcing specialist explains why urgent Vishay sensors and components fail, what actually causes the delay, and how transparent lead times beat last-minute heroics.

2026-09-04 · Vishay Telecom Engineering
RF

Why Vishay Precision Resistors and DuraForce Pro 2 Load Cells Look Expensive - and Usually Cost Less

A procurement manager explains why Vishay precision resistors and DuraForce Pro 2 load cells can lower total cost despite higher unit price, with a note on Vishay Intertechnology Asia, the Inc. paperwork trap, and a design perspective on the best blood pressure monitor.

2026-09-03 · Vishay Telecom Engineering
RF

Vishay and Vishay Sprague Component Qualification: A Quality Inspector's Checklist for Switches, Symbols, and Power-On Failures

A practical checklist from a quality manager for verifying Vishay, Vishay Sprague, and Vishay Components in medical and portable devices, with real lessons from blood pressure monitor symbols and flip-phone power switch failures.

2026-09-03 · Vishay Telecom Engineering
RF

Equivalent Under What Conditions? What Vishay Columbus, NE Taught Me About the TSAL6100

A quality inspector's story about a blood pressure monitor, a cheaper 'functional equivalent' for the Vishay TSAL6100, and a visit to Vishay Columbus, NE that changed how he vets components—plus lessons for transparent smartphone design and hardware procurement.

2026-09-02 · Vishay Telecom Engineering
RF

Vishay Capacitor Cross Reference, IR Sensors, and a Buyer's Honest FAQ

An office purchasing administrator answers the questions she actually hears about Vishay: capacitor cross-referencing, IR sensor sourcing, total cost versus unit price, flip phone components, and yes — how to unlock a phone.

2026-09-02 · Vishay Telecom Engineering
RF

Genuine Vishay vs. Gray-Market 'Vishay': A Sourcing Engineer's $14,000 Lesson

A procurement engineer compares genuine Vishay components with gray-market lookalikes after a $14,000 mistake. Covers traceability, true cost, transparent smartphone applications, and how to crimp connectors properly.

2026-08-31 · Vishay Telecom Engineering
RF

What Is an Acceptable Spec? A Blood Pressure Monitor Story About Vishay Resistors and the 2780 Transducer

A quality inspector's story about qualifying Vishay Transducers Ltd's 2780 pressure transducer and Vishay resistors for a blood pressure monitor, and why 'what is an acceptable spec' is the wrong first question.

2026-08-31 · Vishay Telecom Engineering
RF

Vishay Cross Reference, Bulk Foil Resistors, and How to Crimp Connectors: An Emergency Sourcing Checklist

A practical checklist for sourcing Vishay parts under deadline—using Vishay cross reference tools correctly, understanding bulk foil resistor substitutions, and crimping connectors without making the problem worse. Includes field lessons from rush orders.

2026-08-31 · Vishay Telecom Engineering
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Latest Notes

Vishay Products FAQ: BPW34, Networks, Blood Pressure, and Verizon Flip Phones Why Your Vishay Precision Resistor Quote Is Never the Final Cost Vishay Component Sourcing Checklist: 7 Steps I Learned from $4,200 in Mistakes The Real Problem With Sourcing Vishay Foil Resistors Isn’t Price—It’s Procurement Noise Vishay Parts in an Emergency: 7 Questions From 260+ Rush Orders How to Verify Vishay Resistor Manufacturing and CAGE Codes Before You Spend Money After the Chip Shortage, I Stopped Buying the Cheapest Vishay Power Inductors How to Verify a Vishay Strain Gauge with a Multimeter: A Five-Step Receiving Checklist Vishay Strain Gauge Buying Guide: Three Scenarios, One Rule Vishay TLHK5100 5mm Red LED Price & Lead Time: A Buyer’s View

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Precision resistors, capacitors, diodes, sensors, and connector-adjacent components engineered for carrier-grade bandwidth, insertion-loss control, and RF front-end stability.

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