19V 1W Zener Diode – Reliable Voltage Regulation

Overview of 19V 1 Watt Zener Diode

This 19V 1W Zener diode is engineered for reliable voltage regulation applications in a wide range of electronic circuits. Designed with through-hole mounting for secure and stable installation, it provides precision voltage clamping and surge suppression under demanding conditions.

Technical Specifications

• Nominal Zener (Regulating) Voltage: 19.0V
• Power Dissipation: 1 Watt
• Package Type: DO-41 (through-hole)
• Part Number: NTE5078A
• Quantity Per Package: 1

Applications and Usage Instructions

This 19V Zener diode is ideal for voltage reference, overvoltage protection, and waveform shaping in power supplies, control circuits, and signal processing systems. To use, install the diode in the desired orientation on your circuit board, placing the cathode (marked end) in accordance with your schematic to achieve robust voltage regulation at 19.0V.

Key Features

• Stable 19V regulation for sensitive electronics
• 1 watt power handling for general purpose circuit protection
• DO-41 package ensures straightforward through-hole mounting
• Common choice for repair, prototyping, and replacement in existing designs

This part is the equivalent replacement for the following:

103-279-28, 103-279-28A, 1211348, 14002-13, 1902-1181, 1DAZ229B, 1EZ19D, 1EZ19D10, 1EZ19D5, 1M19Z, 1M19Z10, 1M19Z5, 1M19ZS10, 1M19ZS5, 1N1737, 1N1737A, 1N2039, 1N2039-2, 1N4916, 1N4916A, 1N4917, 1N4917A, 1N4918, 1N4918A, 1N4919, 1N4919A, 1N4920, 1N4920A, 1N4921, 1N4921A, 1N4922, 1N4922A, 1N4923, 1N4923A, 1N4924, 1N4924A, 1N4926, 1N4926A, 1N4927, 1N4927A, 1N4928, 1N4928A, 1N4929, 1N4929A, 1N4930, 1N4930A, 1N4931, 1N4931A, 1N4932, 1N4932A, 1N5249B, 1S1179, 1S2131, 1S234, .25T19, .25T19A, 264P14409, 469-199-19, 523-2003-190, .7JZ19, .7Z19, .7Z19A, .7Z19B, .7Z19C, .7Z19D, .7ZM19, .7ZM19A, .7ZM19B, .7ZM19C, .7ZM19D, 99202-223, AZ-187, AZ-192, BZ-187, BZ190, BZ-192, BZ192, CH4113, CXL5078, CZ19B, ECG5078, ECG5078A, ED498150, EQA01-19R, EQB01-19, GEZD-19, HZ18PC, HZ5249, JZ19B, NTE5078A, RD-18E, RD-18EC, RD19, RE-125, RE125, REN5078, RH-EX0013CEZZ, RH-EX0022CEZZ, RH-EX0027CEZZ, RH-EX013CEZZ, RH-EX022CEZZ, S5249B, SK19V, SK19V/5078A, SK9023/5078A, SV143, TM5078A, WEP1162, WZ177, WZ192, ZB1-19, ZD19, ZENER-136, ZM19, ZM19A, ZM19B