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H21A1 representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN14 sourced attributes1 source document

onsemi · exact orderable part

H21A1

SENSOR OPT SLOT PHOTOTRAN PC PIN

Base Product Number
H21A
Current - Collector (Ic) (Max)
20 mA
Mounting Type
Through Hole, Flange
Current - DC Forward (If) (Max)
50 mA
Operating Temperature
-55°C~100°C
Output Configuration
Phototransistor
Original manufacturerCommercial terms confirmed per lot
Manufactureronsemi
Package / caseSlotted, PC Pins
Mounting typeThrough Hole, Flange
PackingTube

Technical parameters

Technical specifications

14 normalized values · 1 validated source

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ParameterValue
Base Product NumberH21A [1]
Mfronsemi [1]
Current - Collector (Ic) (Max)20 mA [1]
Mounting TypeThrough Hole, Flange [1]
Current - DC Forward (If) (Max)50 mA [1]
Operating Temperature-55°C~100°C [1]
Output ConfigurationPhototransistor [1]
Product StatusObsolete [1]
Response Time8µs, 150µs [1]
Sensing Distance0.118" (3mm) [1]
Sensing MethodThrough-Beam [1]
Package / CaseSlotted, PC Pins [1]
TypeUnamplified [1]
Voltage - Collector Emitter Breakdown (Max)30 V [1]
Specification references[1]onsemi H21A1 vendor product record ↗

Catalog relationships

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This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.

ManufactureronsemiView brand page →CategoryOptical Sensors - Photointerrupters - Slot Type - Transistor OutputView category page →

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