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Same model may have multiple batches, images only for reference.
H21A4 QT Optoelectronics
Same model may have multiple batches, images only for reference.

H21A4

Part No H21A4
Manufacturer Fairchild/ON Semiconductor
Catalog Optical Sensors
Description TRANSISTOR OUTPUT SLOTTED SWITCH
Sample
Rohs State rohs
ECAD Module
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Products specifications Report Issue?

Category Sensors, Transducers - Optical Sensors - Photointerrupters - Slot Type - Transistor Output
Mfr Fairchild/ON Semiconductor
Package Tube
Product Status Obsolete
Sensing Distance 0.118" (3mm)
Sensing Method Through-Beam
Output Configuration Phototransistor
Current - DC Forward (If) (Max) 50 mA
Current - Collector (Ic) (Max) 20 mA
Voltage - Collector Emitter Breakdown (Max) 55 V
Response Time 8µs, 50µs
Temperature Range - Operating -55°C ~ 100°C
Mounting Type Through Hole, Flange
Package / Case Slotted, PC Pins
Type Unamplified
Standard Package 50 pcs
ECCN EAR99
HTSUS 8541.49.8000
Win Source Part Number 595560-H21A4
Ultra Librarian 3D Model Ultra Librarian H21A4 CAD Model

Description

The 595560-H21A4 is a slot-type photointerrupter with a transistor output, previously manufactured by Fairchild/ON Semiconductor.

  • Designed for use in optical sensing applications
  • Sensor Type: Unamplified
  • Response Time: 8µs to 50µs
  • Voltage Breakdown: 55V (Collector to Emitter)
  • Maximum Collector Current: 20mA
  • Output Configuration: Phototransistor
  • Sensing Method: Through-beam
  • Sensing Distance: 0.118" (3mm)
  • Mounting: Through-hole
  • Package: Slotted, PC pins
  • Operating Temperature: -55°C to 100°C
  • Obsolete product

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Quantity Unit Price Ext. Price
2+ $44.3532 $88.7064
4+ $36.3929 $145.5716
5+ $35.2552 $176.2760
7+ $34.1175 $238.8225
9+ $32.9810 $296.8290
12+ $29.5692 $354.8304
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