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Vishay 6N139 High Speed Optocoupler

The Vishay 6N139 optocoupler combines an LED with a high-gain photodiode in a dual-in-line package, achieving high common-mode transient immunity and very high current ratio. Separate pins for the photodiode and output stage enable TTL-compatible saturation voltages with high-speed operation. It's ideal for microprocessor system interfaces, PLC input/output isolation, and voltage level translation.

Authorized Distributors
Source:Newark
Part No:6N139
Stock:558
Inv Date:06-09-2026
Price: Unit price: $1.7
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Source:DigiKey
Part No:6N139
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Price: Unit price: $3.34
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Part No:6N139
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Price: Unit price: $1.89
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Part No:6N139
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Price: Unit price: $0.83
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Part No:6N139
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Price: Unit price: $1.66
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Part No:6N139
Stock:985
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Price: Unit price: $2.76
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Source:DigiKey
Part No:6N139
Stock:2104
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Price: Unit price: $1.76
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Source:DigiKey
Part No:6N139
Stock:40736
Inv Date:06-09-2026
Price: Unit price: $0.81
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Authorized Distributors
Source:DigiKey
Part No:6N139
Stock:1977
Inv Date:06-09-2026
Price: Unit price: $0.85
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Source:DigiKey
Part No:6N139
Stock:2451
Inv Date:06-09-2026
Price: Unit price: $1.69
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Source:DigiKey
Part No:6N139
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.92474
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Source:DigiKey
Part No:6N139
Stock:258
Inv Date:06-09-2026
Price: Unit price: $2.77
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Part No:6N139
Stock:189
Inv Date:06-09-2026
Price: Unit price: $1.68
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Part No:6N139
Stock:2000
Inv Date:06-09-2026
Price: Unit price: $0.904
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Part No:6N139
Stock:2000
Inv Date:06-09-2026
Price: Unit price: $0.904
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Part No:6N139
Stock:3
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Part No:6N139
Stock:1138
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Authorized Distributors
Part No:6N139
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.7
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Part No:6N139
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.63
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Part No:6N139
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.245
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Vishay 6N139 High Speed Optocoupler Specifications:

  • High Current Transfer Ratio: 300%
  • Low Input Current: 0.5 mA
  • High Output Current: 60 mA
  • Isolation Test Voltage: 5300 VRMS
  • TTL Compatible Output: VOL = 0.1 V
  • High Common Mode Rejection: 500 V/μs
  • Material Categorization: See Vishay website for compliance details
  • Operating Temperature: -55 to +100 °C
  • Input Forward Voltage: 1.4 - 1.7 V
  • Input Reverse Breakdown Voltage: 5 V
  • Temperature Coefficient of Forward Voltage: -1.8 mV/°C
  • Logic Low Output Voltage: 0.1 - 0.4 V
  • Logic High Output Current: 0.1 - 100 μA
  • Logic Low Supply Current: 0.2 - 1.5 mA
  • Logic High Supply Current: 0.001 - 10 μA

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Frequently Asked Questions

Where can I buy Vishay 6N139?

You can click on the BUY or RFQ button to purchase 6N139 from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part 6N139?

You can download the 6N139 datasheet or visit the Vishay website for support.

Who is the manufacturer of 6N139?

Vishay

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