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Vishay Telecom Engineering Blog

Featured telecom engineering article
Fiber

Vishay UV LEDs: Voltage Drop, Enclosures, and the Multimeter Question

A procurement perspective on testing Vishay UV LEDs. When a Klein multimeter is enough, when you need a bench meter, and why enclosures belong in the budget.

2026-08-31 · Vishay Telecom Engineering
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RF

Before Resetting a Locked Phone, Check Voltage Drop — Here's Why

A quality inspector's guide to using a 117 multimeter for voltage drop testing before attempting any reset on a locked phone, and why Vishay precision components make that reading trustworthy.

2026-08-28 · Vishay Telecom Engineering
RF

Why a Quality Inspector Trusts Vishay: Focus, Honesty, and a Multimeter

A quality compliance manager with 4+ years of component inspection experience explains why Vishay Intertechnology's specialized focus beats 'do-it-all' suppliers. Includes practical multimeter voltage-testing tips and a real-world quality audit story.

2026-08-28 · Vishay Telecom Engineering
RF

Vishay Obsolete Parts: The 7.1x Quote That Fixed Our BOM Process

Vishay Dale Electronics has a blue chip reputation, but reputation doesn't stop obsolescence. A sourcing engineer explains what Vishay obsolete parts really cost and the pre-check that catches them.

2026-08-27 · Vishay Telecom Engineering
RF

Why Are Phones So Strong? A Quality Engineer on Vishay NTC, Platinum BP5450, and What “Strong” Actually Means

Phone durability is a component-level story. A quality engineer explains how Vishay NTC thermistors, platinum BP5450 calibration references, and traceable sourcing from Vishay Israel Ltd keep phones alive—and how to decide what your product really needs.

2026-08-27 · Vishay Telecom Engineering
RF

I Cost My Company $47,000 on Resistor Choices — Vishay Resistor Selection in 3 Scenarios

How to choose the right Vishay resistor: a procurement engineer's 9-year, $47,000 education in total cost of ownership across prototyping, high-volume production, and high-reliability scenarios.

2026-08-26 · Vishay Telecom Engineering
RF

How to Reset Phone When Locked: A Procurement Lesson from Ordering a Vishay 8110

A purchasing manager's deep dive into the hidden costs of sourcing components. Learn why a locked phone taught me to look at the whole system when ordering Vishay 8110 — and how to avoid single points of failure in procurement.

2026-08-26 · Vishay Telecom Engineering
RF

Vishay Capacitors, Vishay Transducers Ltd, and Blue Chip: A Quality Inspector's FAQ

Vishay capacitors, Vishay Transducers Ltd, Blue Chip ceramic caps, USB power delivery while recording list, and 'made in which country' questions—answered from a quality inspector's perspective.

2026-08-25 · Vishay Telecom Engineering
RF

A Vishay Capacitor Cross Reference Misfire Made Me a Smarter Buyer

When a Vishay capacitor cross reference led to a $250 mistake, this admin buyer learned about Vishay Spectrol, corporate structure, and why a good multimeter matters.

2026-08-25 · Vishay Telecom Engineering
RF

Chip Shortage Quality Control: Testing Vishay Dale Resistors and NTC Thermistors With a Multimeter

A quality inspector's practical guide to testing Vishay Dale resistors and Vishay NTC thermistors with a multimeter during the chip shortage, including voltage testing basics, real-world failure stories, and when the Vishay premium actually makes sense.

2026-08-24 · 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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