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Zener Diode Series 1N746 to 1N5369 Overview

22 December 2025
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 |  Electronic

Zener diodes are essential components in voltage regulation and protection circuits. This guide provides a detailed overview of three popular power ratings: 0.5W, 1W, and 5W Zener diode series, covering part numbers from 1N746 to 1N5369 and voltage ranges from 3.3V to 100V. Whether you’re designing a power supply, voltage reference, or surge protection circuit, having a complete voltage chart at your fingertips is invaluable for selecting the right component.

SCE SCOOP

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 |  Refrigeration

Understanding the inner workings of a Secop SCE hermetic compressor is essential for any refrigeration technician or engineer. This comprehensive guide breaks down the complex internal components—from the crankshaft to the valve plate—providing a detailed exploded view. Whether you are troubleshooting or studying mechanical design, our professional analysis offers the clarity needed for modern cooling systems.

Mbsm.pro, Compressor, GM70AZ, 1/5 hp, ZMC, Cooling, R134a, 150 W, 1.3 A, 1Ph 220‑240V 50Hz, LBP capacity, RSIR, −30°C to −10°C

12 December 2025
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 |  compressor

Le ZMC GM70AZ est un compresseur hermétique à piston fonctionnant au R134a, destiné aux applications à basse pression d’aspiration dans les réfrigérateurs et congélateurs ménagers alimentés en 220–240 V, 50 Hz. Fabriqué par Misr Compressor Manufacturing Co. en Égypte, il fournit une puissance d’environ 1/5 HP et une plage d’évaporation de −30 °C à −10 °C, ce qui en fait une solution courante et fiable pour le froid domestique dans la région MENA

Mbsmpro.com, ZB38, 5HP, R404, MBP

27 November 2025
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 |  Refrigeration

ZB38 5HP R404A MBP scroll compressor has become a reference point in medium-temperature commercial refrigeration, providing a compact, efficient and reliable heart for cold rooms, display cabinets and food service equipment worldwide. This article explores how it works, where it fits best and what technicians should verify before installing or replacing this type of compressor.

Mbsm.pro, LRA to Ton

12 November 2025
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 |  expertise

how to convert LRA (Locked Rotor Amps) into refrigeration tons using a simple formula, making HVAC system sizing and diagnostics accessible to field technicians. Using LRA values found on equipment labels, one can quickly estimate system tonnage, ensuring correct sizing for repairs or upgrades in air conditioning and refrigeration systems.