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BT139 TRIAC


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  • Stock: Out Of Stock

    Availability: NotInStock priceValidUntil: 2026-06-04

  • SKU: 911 | DAA185

Availability: NotInStock priceValidUntil: 2026-06-04

  • Rs. 36.58 (inc GST)
    Rs.31.00 + GST

    Qty :

GST Invoice: Available for all purchases; eligible for input tax credit.

Delivery: 2–8 days across India. No MOQ required.

Bulk Orders: Need a larger quantity or item not in stock? Email: dnatechindia [at] gmail.com

Import Service: We import a wide range of electronic components on request.

BT139 TRIAC

BT139 is a general purpose Triac normally used for switching and phase control application.

Planar passivated sensitive gate four quadrant triac in a TO-220AB package intended for use in applications requiring high bidirectional transient and blocking voltage capability and high thermal cycling performance. Typical applications include

  • Motor control
  • Industrial and domestic lighting,
  • Heating and static switching

BT139 TRIAC is sensitive gate "series E" triac is intended to be interfaced directly to micro-controllers, logic integrated circuits and other low power gate trigger circuits.

Features of BT139 Triac

  • Direct triggering from low power drivers and logic ICs

  • High blocking voltage capability

  • Planar passivated for voltage ruggedness and reliability

  • Sensitive gate

  • Triggering in all four quadrants

  • TRIAC, 16A, 800V

  • Thyristor/Triac type : Triac

  • Voltage, Vdrm : 800V

  • Current, It rms : 16A

  • Current, Gate Trigger, Igt, (Q1), t2+g+ : 35mA

  • Current, Itsm (50Hz) :155A

  • Current, Itsm (60Hz) :170A

  • Package/Case :TO-220AB

Extra Information
Country of Origin China
Imported By ElectroSource Private Limited

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Frequently Asked Questions

Do you provide a GST bills?
Yes we provide GST Bill by the name of DNA Solutions. You will receive a GST compliant invoice for your records. You can take GST benefit.
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Returns/replacements depend on the item type and condition. If there’s an issue, contact us with photos/videos and we’ll guide you as per policy.
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I forgot to add GST number at time of placing order, but I need GST Invoice in my firms name?
You can contact us via Contact us page and send your order details and GST number we will send you updated Invoice soft copy.
What if a product is out of stock — can you arrange it?
Yes — contact us with the part number and required quantity. We’ll check availability or sourcing options.
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For some passive components, brand may vary based on availability. If you need a specific brand or matching lot, mention it before ordering and we’ll advise availability.
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