RN4903,LF(CT AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

RN4903,LF(CT product

RN4903,LF(CT

Transistors - Bipolar (BJT) - Single

Dual BJTPre-biasedToshiba

The RN4903 is a dual pre-biased BJT (NPN+PNP) in a compact US6 package, ideal for space-constrained switching and driver applications.

Best for

  • Switching
  • Inverter circuits
  • Driver circuits

Avoid if

  • High-power applications exceeding 200mW total dissipation

Check before use

  • Input voltage levels for ON/OFF switching

Key specifications

Configuration
1 NPN, 1 PNP
Bias Resistors
22kΩ / 22kΩ
Max Vceo
50V
Max Ic
100mA

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.21.0075

Application

General Switching

CAD Models

Download ECAD models for RN4903,LF(CT: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The RN4903 is a Toshiba dual-transistor array containing one NPN and one PNP silicon epitaxial transistor with integrated bias resistors.