BRT21H The Vishay BRT21H is an optocoupler with a phototriac output, designed for AC control applications. It offers a high static dV/dt and is suitable for microcomputer interfacing.
Mfr Part #:

BRT21H

Available from 1 distributors
Mfr Name: Vishay
Vishay
The Vishay BRT21H is an optocoupler with a phototriac output, designed for AC control applications. It offers a high static dV/dt and is suitable for microcomputer interfacing.
✓ Total Stock: 2,770 pcs
$ Price Range: $0.99

BRT21H Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,770 pcs
2770 pcs On Request 1 On Request On Request 16+ On Request On Request

BRT21H Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
Tape & Reel

BRT21H Description

Short technical summary and product information.

The Vishay BRT21H is an AC optocoupler featuring a phototriac output and non-zero voltage detection. It integrates a thyristor system, photo detector, and noise suppression within two electrically insulated lateral power ICs, driven by an IR GaAs diode input.

 

Key electrical characteristics include an RMS current rating (I TRMS) of 300 mA and a high static dV/dt of over 10,000 V/μs. The device is designed for microcomputer compatibility with a low trigger current (IFT < 2 mA for BRT11H, BRT12H, BRT13H variants). The VDRM rating is up to 400V for the BRT11H variant.

 

This optocoupler is available in a 6-SMD surface mount package. Its design makes it suitable for applications requiring electrical isolation between input and output circuits, such as industrial controls, office equipment, and consumer appliances.

 

Agency approvals include UL 1577, cUL, and DIN EN 60747-5-5 (VDE 0884-5).

BRT21H Quick Information

Product Type: Optocoupler
Canonical Name: BRT21H Optocoupler, Phototriac Output, Non-Zero Crossing
Subcategory: Phototriac Output

BRT21H Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BRT21H Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

BRT21H Features

  • 300 mA RMS current handling capability.
  • High static dV/dt > 10,000 V/μs.
  • Low trigger current for microcomputer compatibility.
  • Non-zero voltage detection.
  • Surface mount 6-SMD package.

BRT21H Applications

  • Used in industrial control systems.
  • Suitable for office equipment.
  • Applied in consumer appliances.
  • Provides AC load switching.
  • Ensures input-output circuit isolation.

BRT21H FAQs

5 frequently asked questions generated from this part’s specifications.
What is the RMS current rating for the BRT21H optocoupler?

The RMS current rating (I TRMS) for the BRT21H optocoupler is 300 mA.

What is the VDRM rating of the BRT21H optocoupler?

The VDRM rating for the BRT21H optocoupler is up to 400V.

What type of package is the BRT21H optocoupler supplied in?

The BRT21H optocoupler is supplied in a 6-SMD surface mount package.

What is the trigger current for the BRT21H optocoupler?

The trigger current (IFT) for the BRT21H optocoupler is less than 2 mA.

What is the static dV/dt of the BRT21H optocoupler?

The BRT21H optocoupler has a high static dV/dt of greater than 10,000 V/μs.

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