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H21A1 The ISOCOM H21A1 is an opaque photointerrupter featuring a Gallium Arsenide infrared emitting diode and an NPN silicon photo transistor. It is designed for through-hole mounting.
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H21A1

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ISOCOM H21A1 is an opaque photointerrupter featuring a Gallium Arsenide infrared emitting diode and an NPN silicon photo transistor. It is designed for through-hole mounting.
✓ Total Stock: 9,330 pcs
$ Price Range: $0.99

H21A1 Available from 1 distributor

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✓ Non-Authorised
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9,330 pcs
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H21A1 Specifications Quick View

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H21A1 Description

Short technical summary and product information.

The ISOCOM H21A1 is an opaque, single-channel photointerrupter. It integrates a Gallium Arsenide infrared emitting diode with an NPN silicon photo transistor within a polycarbonate housing. This design optimizes mechanical resolution, coupling efficiency, and ambient light rejection.

 

Key electrical specifications include a maximum collector current of 20mA, a forward current of 50mA, and a collector-emitter voltage of 30V. The device has a maximum power dissipation of 150mW. It operates within a temperature range of -25°C to 85°C.

 

The H21A1 is designed for through-hole mounting, offering a reliable solution for various optoelectronic applications. Its construction aims to balance cost and performance.

 

This component is part of the H21Ax and H22Ax series, known for their robust design and application suitability.

H21A1 Quick Information

Product Type: Photointerrupter
Canonical Name: H21A1 Photointerrupter
Subcategory: Transistors - FETs, MOSFETs - Arrays

H21A1 Compliance

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

H21A1 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

H21A1 Features

  • Single channel opaque photointerrupter.
  • Gallium Arsenide infrared emitting diode.
  • NPN silicon photo transistor.
  • Through hole mount type.
  • Operates -25°C to 85°C.

H21A1 Applications

  • Optimized mechanical resolution.
  • Efficient coupling efficiency.
  • Good ambient light rejection.
  • Cost-effective solution.

H21A1 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum collector current for the H21A1?

The maximum collector current for the H21A1 is 20mA.

What is the forward current of the H21A1?

The forward current of the H21A1 is 50mA.

What is the collector emitter voltage for the H21A1?

The collector emitter voltage for the H21A1 is 30V.

What is the maximum power dissipation of the H21A1?

The maximum power dissipation of the H21A1 is 150mW.

What is the operating temperature range for the H21A1?

The H21A1 operates from -25°C to 85°C.

How is the H21A1 mounted?

The H21A1 is designed for through-hole mounting.

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