27V 5W Zener Diode – Precision Voltage Regulation

Reliable 27 Volt 5 Watt Zener Diode for Circuit Protection

The NTE5139A is a high-reliability 27V 5W Zener diode engineered for precision voltage regulation and circuit protection in demanding applications. Featuring a nominal regulating voltage of 27.0 volts and a robust 5 watt power dissipation rating, this axial lead Zener diode is ideal for clamping, voltage reference, and overvoltage protection circuits.

Technical Specifications – NTE5139A 27V 5W Zener Diode

• Nominal Zener Voltage (V_Z): 27.0V
• Power Dissipation: 5 Watts
• Package: Axial Lead (DO-35)
• Quantity per package: 1
• Part Number: NTE5139A

This Zener voltage regulator diode offers consistent performance and stable voltage characteristics across a range of operating conditions, making it well-suited to power supplies, instrumentation, and industrial control systems.

Applications and Usage Instructions

Designed for through-hole PCB mounting, the NTE5139A 27V Zener diode is compatible with standard axial lead layouts. To ensure optimal operation, mount the diode with proper heat sinking to achieve full 5W power dissipation rating in continuous use. Connect in the reverse-bias orientation to establish a precise 27V reference or clamp voltage. Ideal for use as a voltage regulator, transient suppressor, or protection device in high-reliability environments.

Dependable Zener Diode Solutions at Vetco Electronics

Vetco Electronics delivers professional-grade Zener diodes such as the NTE5139A for engineers and purchasing managers who demand reliability and precise performance. Browse our complete selection of 27V 5W Zener diodes and related components engineered for today's critical circuit designs.

This part is the equivalent replacement for the following:

1.5DKZ27, 1.5DKZ27A, 1.5DKZ27B, 1.5JZ27, 1.5JZ27A, 1.5JZ27B, 1.5JZ27C, 1.5JZ27D, 1.5R27, 1.5R27A, 1.5R27B, 1.5Z27, 1.5Z27A, 1.5Z27B, 1.5Z27C, 1.5Z27D, 1N3799, 1N3799A, 1N3799B, 1N4475, 1N4968, 1N5034, 1N5034A, 1N5076, 1N5361, 1N5361A, 1N5361B, 1N5361BE, 1N5935, 1N5935A, 1N5935B, 1S3027A, 1S4027, 1S4027A, 1SZ56-27, 2EZ27D5, 2R27, 2R27A, 2R27B, 2VR27, 2VR27A, 2VR27B, 3BZ27A, 3BZ27B, 3EZ27D5, 3R27, 3R27A, 3R27B, 3TZ27, 3TZ27A, 3TZ27B, 3TZ27C, 3TZ27D, 3VR27, 3VR27A, 3VR27B, 3Z27, 3Z27A, 3Z27B, 5330, 5M27ZS5, 5ZS27, 5ZS27A, 5ZS27B, 7730, 919-017406-012, 96-5250-02, AU01-27, BZD23-C27, BZT03-C27, BZV16C27, BZV58C27, BZX61C27, BZX70C27, BZX96C27, BZY95C27, CR9, CXL5139, CZ5361B, DSZ5727, ECG5139, ECG5139A, GE5ZD-27, HEP-Z2528, HEPZ2528, LMZ27, LMZ27-20, LMZ27A, LMZX27, LMZX27A, MC6324A, MZ5727, MZ5927, MZ727, NT5330C, NT7730, NT77C27, NTE5139A, SK27X, SK27X/5139A, SK3405, SK3405/5139A, SX27, SZ27C, TM5139A, UDZ727, UZ4727, UZ5727, UZ5827, UZ5927, UZ727, UZ827, UZ927, VR27F, VZ270F, WEP1633, Z1524, Z2528(HEP), Z2B27, Z2D27, Z3B270CF, ZAC27, ZAC27A, ZAC27B, ZBC27, ZBC27A, ZBC27B, ZC2027, ZC27, ZC27A, ZC27B, ZCC27, ZCC27A, ZCC27B, ZD2027, ZR51B155-5