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TT Electronics - Optek Technology OP999 Silicon Photodiode

The OP999 device features a silicon photodiode housed in a dark blue, injection-molded package designed for precise optical and mechanical alignment. Its compact T-1¾ package makes it ideal for space-constrained applications. The device offers a linear response to irradiance, fast switching times, and options for narrow or wide receiving angles. Suitable for industrial automation control, safety applications, and non-contact sensing, it is tested for reliability and consistent optical performance. Lead times may vary due to market demand, and discounts are not applicable.

Authorized Distributors
Source:DigiKey
Part No:OP999
Stock:6114
Inv Date:06-11-2026
Price: Unit price: $0.87
Buy/RFQ:
Part No:OP999
Stock:4680
Inv Date:06-12-2026
Price: Unit price: $0.87
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Part No:OP999
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.87
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Part No:OP999
Stock:3135
Inv Date:06-11-2026
Price: Unit price: $0.88
Buy/RFQ:
Part No:OP999
Stock:3135
Inv Date:06-11-2026
Price: Unit price: $0.88
Buy/RFQ:
Part No:OP999
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.805
Buy/RFQ:

TT Electronics - Optek Technology OP999 Silicon Photodiode Specifications:

  • Package Style: T-1¾ (OP999)
  • Housing Color: Dark Blue
  • Optical Response: Linear to irradiance
  • Switching Time: Fast
  • Receiving Angle: Narrow or wide options
  • Maximum Reverse Breakdown Voltage: 60V
  • Temperature Range: -40°C to +100°C
  • Power Dissipation: 100 mW
  • Reverse Light Current: 65-285 nA at 5V and specific irradiance
  • Dark Current: 60 nA at 30V
  • Capacitance: 4 pF at 20V, 1.0 MHz
  • Wavelength Sensitivity: Peak at 890 nm
  • Reverse Voltage: 5V operating
  • Total Capacitance: Approximately 4 pF
  • Lead Soldering Temperature: 260°C for 5 seconds at 1/16 inch from case
  • Storage & Operating Temperature Range: -40°C to +100°C

Buy the Silicon Photodiode Series OP999: OP999

Purchase the OP999 silicon photodiode online now to ensure precise optical measurement and fast switching capabilities for industrial automation, safety, and non-contact sensing. This compact device comes in a T-1¾ package, suitable for tight spaces, and offers options for narrow or wide receiving angles. Its excellent optical and mechanical alignment, combined with proven reliability tested across production batches, guarantees consistent performance. Secure your supply today and benefit from rapid delivery, competitive pricing, and technical support for your critical sensing applications.

Buy OP999 silicon photodiode now and experience unmatched reliability and performance in space-constrained optical sensing applications.

Frequently Asked Questions

Where can I buy TT Electronics - Optek Technology OP999?

You can click on the BUY or RFQ button to purchase OP999 from an authorized TT Electronics - Optek Technology distributor.

How do I troubleshoot issues or seek technical support for part OP999?

You can download the OP999 datasheet or visit the TT Electronics - Optek Technology website for support.

Who is the manufacturer of OP999?

TT Electronics - Optek Technology

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