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WURTH ELEKTRONIK 1540601NBA500 SMT Phototransistor

The Würth Elektronik WL-STCW 1540601NBA500 is an NPN silicon phototransistor packaged in a 0603 SMT format. Designed for general electronic applications, it offers a peak spectral sensitivity of 940nm and a wide viewing angle of 150°. The device is characterized by its waterclear lens, providing efficient light transmission. Operating within a temperature range of -40°C to +85°C, it is suitable for a variety of applications requiring light detection and signal conversion. It is not intended for use in safety-critical applications without thorough evaluation and agreement with Würth Elektronik.

Authorized Distributors
Source:Newark
Part No:1540601NBA500
Stock:2090
Inv Date:06-12-2026
Price: Unit price: $0.453
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Source:DigiKey
Part No:1540601NBA500
Stock:3955
Inv Date:06-12-2026
Price: Unit price: $0.44
Buy/RFQ:
Part No:1540601NBA500
Stock:3763
Inv Date:06-12-2026
Price: Unit price: $0.44
Buy/RFQ:

WURTH ELEKTRONIK 1540601NBA500 SMT Phototransistor Specifications:

  • Collector Mark Power Dissipation PDiss: 150 mW
  • Collector Emitter Voltage VCE: 35 V
  • Emitter Collector Voltage VEC: 5 V
  • Continuous Collector Current IC: 20 mA
  • ESD Threshold Human BodyModel VESD HBM: 2000 V
  • Chip Technology: Si
  • Polarity: NPN phototransistor
  • Lens Type: Waterclear
  • Operating Temperature: -40 up to +85 °C
  • Storage Conditions in original packaging: -40 °C ; < 90 % RH
  • Storage Conditions for single parts: -40 up to +100 °C
  • Moisture Sensitivity Level MSL: 3
  • Wavelength of Peak Sensitivity λPeak: 940 nm
  • Range of Spectral Bandwidth λ: 400 - 1100 nm
  • Collector Current ICE.P: 0.9 - 1.6 mA (VCE = 5 V, Ee = 1 mW/cm², λ = 940 nm)
  • Collector-Emitter Dark Current ICEO.Dark: ≤ 100 nA (VCE = 20 V, Ee = 0 mW/cm²)
  • Viewing Angle Phi 0°: 150°
  • Relative Spectral Sensitivity: Collector Current vs. Irradiance (Ee = 0.5 mW/ cm², VCE = 5 V)
  • Collector Current vs Collector-Emitter Voltage: Derating Curve (Ee = 1 mW/ cm²)

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Frequently Asked Questions

Where can I buy WURTH ELEKTRONIK 1540601NBA500?

You can click on the BUY or RFQ button to purchase 1540601NBA500 from an authorized WURTH ELEKTRONIK distributor.

How do I troubleshoot issues or seek technical support for part 1540601NBA500?

You can download the 1540601NBA500 datasheet or visit the WURTH ELEKTRONIK website for support.

Who is the manufacturer of 1540601NBA500?

WURTH ELEKTRONIK

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