Rohm Semiconductor RB520HS-30T15R

Mfr. Part

RB520HS-30T15R

Manufacturer

LAPIS Technology

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Detailed Description

Ultra‑miniature Schottky barrier diode for general‑purpose rectification and high‑speed switching. Rated 30 V reverse, 200 mA average rectified current. Very low forward voltage and very low leakage, optimized for space‑constrained designs. RoHS3 compliant. Surface‑mount in DSN0603‑2 (SOD‑962, 0201 metric) for the smallest footprint. Base product family RB520.

Key Features

Schottky technology for low forward drop and fast recovery

Vr max 30 V

Io average 200 mA

Vf max 430 mV at 10 mA

Reverse leakage 300 nA at 10 V

Ultra‑small package DSN0603‑2 (SOD‑962, 0201 metric)

Surface‑mount for automated assembly

Small‑signal classification up to 200 mA, fast switching

Junction temperature up to 150°C

RoHS3 compliant

Supplied in Tape & Reel for high‑volume SMT

Key Advantages

Lower conduction loss thanks to low Vf, boosting efficiency in low‑voltage rails and battery devices

Extremely compact footprint saves PCB area in wearables, IoT, and mobile designs

Fast switching minimizes reverse recovery losses and improves signal rectification

Low leakage reduces standby power and improves battery life

Simple two‑terminal solution for protection, steering, and ORing

Broad small‑signal use case flexibility up to 200 mA

Packaging

Type Surface‑mount diode in ultra‑miniature chip package

Package and case DSN0603‑2, SOD‑962, SMD0603, 0201 (0603 metric)

Typical size about 0.6 mm × 0.3 mm, ultra‑low height for dense layouts

Pin configuration 2 terminals, anode and cathode; package mark or chamfer indicates cathode (verify orientation on reel and board)

Material Copper leadframe with Schottky metal‑semiconductor junction; mold compound optimized for reliability

Thermal characteristics Junction temperature rating 150°C; small thermal mass requires careful power dissipation budgeting and adequate copper area for heat spreading

Electrical properties Vf 0.43 V max at 10 mA, leakage 0.3 µA at 10 V, Vr 30 V max, Io 200 mA average, fast switching for small‑signal operation

Mounting type Surface Mount, compatible with automated pick‑and‑place

Supplier device package DSN0603‑2, SOD‑962, SMD0603

Shipping format Tape & Reel (TR) for high‑volume production

Lifecycle

Status Generally offered as an active, mainstream small‑signal Schottky from LAPIS Technology; not indicated as nearing discontinuation based on available public data. For the latest lifecycle status, check with Y-IC sales.

Family equivalents Same family options with near‑match electrical performance in different footprints include RB520S‑30 (SOD‑523) and RB520ZS‑30 (SOD‑923). These can be suitable if board space allows a slightly larger package.

Cross‑vendor alternatives Commonly considered alternatives with comparable 30 V class Schottky performance in ultra‑small SMD footprints include Toshiba CUS03S30 (SOD‑923), onsemi NSR03A30 series (SOD‑923), and similar 30 V, ~0.2–0.3 A Schottkys from ROHM Group and Nexperia PMEG small‑signal lines. Always verify Vr, Io, Vf, leakage, package size, footprint, marking, and derating in the datasheet before substitution.

If you need a true drop‑in in the same DSN0603‑2 footprint or cannot find a suitable alternative, contact our sales team via our website for curated cross recommendations and availability updates.

Key Application Areas

Reverse‑polarity protection in compact battery‑powered devices

ORing diodes for multi‑source power paths in handhelds and IoT nodes

Flyback or freewheel diode in low‑current inductive loads and LED drivers

High‑speed signal rectification and envelope detection in RF and audio paths

Clamp and steering for logic‑level protection and level shifting

Buck/boost converter small‑signal rectification where footprint is critical

General small‑signal switching and protection in wearables, sensors, and mobile devices

Datasheet

Y-IC hosts the most authoritative datasheet for RB520HS‑30T15R on our product page. For complete electrical curves, package drawings, land pattern, marking, and reliability data, download the datasheet directly on our website for the current model.

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