ROHM 18V 1W Zener Diode, Single Surface Mount, 2-Pin SOD-123FL Package, KDZVTR18B

ROHM KDZVTR18B is a robust Zener diode engineered for precision voltage regulation in demanding electronic applications. With a nominal Zener voltage of 18V and a maximum power dissipation of 1W, it offers reliable performance for voltage reference, clamping, and protection duties in advanced circuit designs.

This diode features a single-element, surface-mount configuration housed in a compact SOD-123FL package with 2 external pins. The SMD form factor enables seamless integration with modern automated PCB assembly lines, simplifying high-volume manufacturing and repair operations.

High-precision Zener voltage (18V) suitable for regulated power rails and voltage-sensitive signals. Compact SOD-123FL encapsulation for space-constrained PCB layouts. Test current rating at 20mA aligns with industry-standard bench testing protocols.

Maximum reverse leakage current of just 10μA to prevent current loss in low-leakage environments. Wide operational junction temperature rating up to 150°C for excellent thermal endurance in industrial or commercial circuits.

1W maximum power dissipation sufficient for robust transient and surge protection designs.

ROHM KDZVTR18B is relied upon by professionals designing regulated power supplies, isolated reference circuits, and surge-absorbing electronics commonly found in automation, metering, power conversion systems, and industrial control panels. Its steady-state and overvoltage capabilities enhance electronic reliability in sensitive instrumentation and communication equipment, supporting uninterrupted operation in critical environments.

The Zener diode can also be used as an overvoltage protector or voltage reference in embedded hardware, sensor networks, and test devices, thanks to its compact package and proven reliability. Integration is simple thanks to the industry standard surface-mount form and 2-pin lead-out.

Industrial applications encompass power management, automation controllers, metering devices, and signal conditioning modules in environments requiring precise voltage regulation and protection.

Nominal Zener Voltage: 18V. Maximum Power Dissipation: 1W. Test Current: 20mA. Reverse Leakage Current: 10μA Max. Mount Type: Surface (SMD). Package: SOD-123FL, 2-Pin. Operation temperature: up to 150°C. Brand: ROHM. Model: KDZVTR18B.

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