Refrigeration
Latest Articles
New compressor specs, replacement guides, and technical notes
Refrigeration
Compressor, Embraco, PW 5.5 K11W, 1/6 hp
The Embraco PW 5.5 K11W is a 1/6 HP Low Back Pressure (LBP) compressor designed for R12 refrigeration systems. Known...
Refrigeration
Embraco EGAS70HLC Compressor
The Embraco EGAS70HLC stands out as a reliable hermetic piston compressor designed for low back pressure (LBP) applications using R134a...
Electronic
1N4728, 1N4729, 1N4730, 1N4731, 1N4732, 1N4733, 1N4734, 1N4735, 1N4736, 1N4737, Zener diode
Zener diodes like the 1N4728A thru 1N4737A series deliver reliable voltage regulation from 3.3V to 7.5V at 1W power. Engineers...
Global Electric
8‑pin and 11‑pin relay bases are common in control panels
8‑pin and 11‑pin relay bases are common in control panels, but miswiring coil and contact terminals can burn a load...
Refrigeration
Gas Charging or Vacuuming
The copper tube assembly shown is a service charging valve on the liquid line of a small hermetic refrigeration unit....
Refrigeration
BASIC TN1900 Refrigerator Compressor
The BASIC TN1900 represents a medium-displacement hermetic reciprocating compressor engineered for low back pressure refrigeration applications. This Syrian-manufactured unit operates...
Refrigeration
HITACHI FL20S88NAA Compressor
The HITACHI FL20S88NAA 0.75 HP hermetic scroll compressor delivers 256W cooling capacity at 50Hz, utilizing HFC-134a refrigerant for household refrigerator-freezer...
Electronic
Transformer, WDB4109, 220V 50Hz, Microwave Standby Power
The WDB4109 is a compact linear transformer used as the standby power source in many Samsung microwave ovens, converting 220...
Mbsmpro
Relay, model MAA‑S‑124‑C, is a 24 VDC, 5‑pin
The MEISHUO S220 series relay, model MAA‑S‑124‑C, is a 24‑volt 5‑pin SPDT automotive relay rated 20 A/10 A at 28...
Mbsmpro
Types of Electrical Wires and Their Uses
Modern installations use several wire families, each optimized for voltage level, environment, flexibility, and temperature range. Choosing the right type...