What are the key applications for this diode?

It is primarily used in portable electronics, voltage clamping circuits, and general-purpose high-speed switching applications where space is limited.

Is this device suitable for automotive use?

Yes, the NSVRB521S30T1G variant is AEC-Q101 qualified and PPAP capable, making it suitable for automotive applications requiring unique site and control change requirements.

What are the thermal considerations for the RB521S30T1G?

The device has a thermal resistance (RθJA) of 635°C/W and a power dissipation limit of 200mW at 25°C. Proper PCB design is necessary to manage heat dissipation.

What should sourcing teams check before buying RB521S30T1G?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: low; readiness: easy.

What is the pinout of RB521S30T1G?

Use the RB521S30T1G datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about RB521S30T1G pinout to locate pins, power rails, and interface signals before layout.

RB521S30T1G Datasheet, Specs, Alternatives & ECAD | onsemi

AI summary

The RB521S30T1G is a 30V, 200mA Schottky barrier diode in a compact SOD-523 package, ideal for high-speed switching and voltage clamping in portable devices.

Best for

Portable electronics
Voltage clamping
High-speed switching

Avoid if

High-power applications exceeding 200mA
Environments requiring extreme thermal dissipation

Check before use

Thermal design constraints
Forward voltage drop at operating current

Key specifications

Reverse Voltage: 30 V
Forward Current: 200 mA
Forward Voltage: 0.5 V (max)
Package: SOD-523

Compliance & Environment

RoHS: ROHS3 Compliant
REACH: REACH Unaffected
MSL: 1 (Unlimited)
ECCN: EAR99
HTSUS: 8541.10.0070

Application

Portable ElectronicsVoltage ClampingAutomotive

Datasheet

ON-Semiconductor-company-79.pdf

800 KB

Datasheet AI

CAD Models

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Where to Buy

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Alternative components

Part	Details	Match
RB521S-30Yangzhou Yangjie Electronic Technology Co.,Ltd	A strong cross-vendor alternative with matching key electrical parameters and package.	Needs validation

LRB521S-40T1GLRC	A form-fit-function replacement with a higher voltage rating and comparable performance.	Needs validation
RB520S30T1Gonsemi	A close alternative from the same manufacturer with a slightly higher forward voltage.	Needs validation
1N5819WTSlkor(SLKORMICRO Elec.)	A common diode with higher V/I ratings but a higher forward voltage than the target.	Needs validation
B5819WTFUXINSEMI	An alternative with higher V/I ratings but also a higher forward voltage that needs review.	Needs validation

Design and risk insights

Questions & answers

It is a Schottky barrier diode from onsemi, designed for high-speed switching and circuit protection, featuring a 30V reverse voltage and 200mA forward current rating.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the RB521S30T1G?+×

What are the key applications for this diode?+×

Is this device suitable for automotive use?+×

What are the thermal considerations for the RB521S30T1G?+×

What should sourcing teams check before buying RB521S30T1G?+×

What is the pinout of RB521S30T1G?+×