- LEM (Liaisons Electroniques et Mecaniques) is an international group and the world leader in current and voltage sensing. LEM manufactures Hall effect, cost effective, isolated current and voltage transducers used in a wide range of power electronics applications such as: Uninterruptible Power Supplies, Switch-Mode Power Supplies, converters, motor drives, battery monitoring, for the industrial, automotive and railroad markets. More...

The current and voltage transducers measure DC, AC and complex waveform signals and provide galvanic isolation. They are all designed and manufactured according to the most demanding standards, in world class manufacturing facilities in America, Europe and Japan. Less...

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Go To Product Training Module Index Page

Digi-Key’s library of more than 2000 exclusive PTM Online… On Demand® product training modules is a collection of training tools created with you – the busy design engineer – in mind. They are provided with the cooperation of participating supplier partners. From this one source, you can learn about the latest products and technologies, download datasheets, check inventory, contact our technical staff, and place an order for same-day shipment.

These modules are available in audio and non-audio formats and listed by supplier in easy-to-find alphabetical order. Simply locate the module that interests you and click on your format of choice. We hope you find these tools useful, and with new modules added continuously, we invite you to stop back often to see what’s new.

Product Training Modules Online...On Demand® is a registered trademark of Digi-Key Corporation.

Updated PTM = Updated Product Training Module - PTM        New PTM = New Product Training Module - PTM

Module NamePreviewAudioNon-AudioDurationParts List
  • CAS Modules Overview
3.8MB2MB15 minParts List
  • CTSR Series Current Transducers
3.1MB1.7MB5 minParts List
  • DHR Current Transducer
2.1MB863KB10 minParts List
  • FHS 40-P/SP600 Minisens Transducer
1.7MB484KB10 minParts List
  • HLSR Series
3.2MB1.1MB10 minParts List
  • HO Series of Mid Range Current Transducers
3.7MB1.8MB10 minParts List
  • HO-6, 10, 25-P Series PCB mount with Aperture ASIC based Open Loop
3.1MB1.5MB10 minParts List
  • HO-8, 15, 25-NP PCB mount ASIC based Open Loop
4.0MB1.8MB10 minParts List
  • LA 130-150 Series
1.7MB633KB5 minParts List
  • LF xx10 Range Overview
3.6MB2.0MB10 minParts List

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More about LEM USA, Inc.

LEM is a market leader in providing innovative and high quality solutions for measuring electrical parameters. Its core products – current and voltage transducers - are used in a broad range of applications in industrial, traction, energy and automotive markets. LEM’s strategy is to exploit the intrinsic strengths of its core business, and develop opportunities in new markets with new applications. Together with production plants in Geneva (Switzerland), Copenhagen (Denmark), Machida (Japan), Beijing, (China) and our regional sales offices, LEM offers a seamless worldwide service. LEM has been listed on the SIX Swiss Exchange since 1986. The company’s ticker symbol is LEHN.

LEM's Core Values

Global Compact LogoThere are six core values, each one guiding us throughout all our activities:

  • We are customer driven
  • We operate with integrity
  • We value teamwork
  • We commit
  • We strive for excellence
  • We lead innovation

We are customer driven
We succeed by exceeding our customer expectations with a "yes customer" attitude. All our activities are driven by the desire to provide best quality service to our customers. We aim to listen to, anticipate and respond to our customers’ needs. For this reason, we collaborate closely with our customers and form true relationships. We target 'customer delight'.

We operate with integrity
Basic ethical behavior and integrity in business relationships determine the essence of all our actions. As a company and as individuals, we do the right things right and never compromise our values and principles. We honor our agreements and are honest in our communications. Our relationships with co-workers, customers, suppliers, partners and the investor community are based on openness and fairness.

We value teamwork
LEM forms a worldwide community. Close collaboration and networking across functions, departments and cultures is critical for the success of the company. To cooperate, we need to be open and honest and willing to share and trust each other. Accountability is a key factor to our success. We are committed to a workplace where individuals are treated fairly and with respect, where all employees have the opportunity to expand their skills and accomplishments are recognized. Teamwork is more than just working together it is bringing out the best of everyone’s strengths.

We commit
We set our goals high because we know we can reach them. We honor these goals as promises to our customers, our shareholders and ourselves. Our continued success depends on keeping our promises and taking responsibility for all our actions. Success is measured by the results we produce in customer satisfaction, sales, profitability, value creation to our shareholders and the scope of opportunities we provide for our employees.

We strive for excellence
No matter how good our products, services, process and results, we are dedicated to making them better. We require only the highest standards of quality for our customers. By approaching our daily work with a passion for perfection, avoiding incidents by managing the risks of our activities, taking initiatives and a desire to learn and share that learning with colleagues, we all can make a difference.

We lead innovation
Innovation is the cornerstone of our success and our future depends on it. Innovation will ensure that we have attractive products for our markets, and a steady supply of new technologies, products, applications and customers. We aim to be the leaders in our industry and not the followers.
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