X-On Electronics has gained recognition as a prominent supplier of PT42-21B-TR8 Phototransistors across the USA, India, Europe, Australia, and various other global locations. PT42-21B-TR8 Phototransistors are a product manufactured by Everlight. We provide cost-effective solutions for Phototransistors, ensuring timely deliveries around the world.

PT42-21B-TR8 Everlight

PT42-21B-TR8 electronic component of Everlight
PT42-21B-TR8 Everlight
PT42-21B-TR8 Phototransistors
PT42-21B-TR8  Optoelectronics

Images are for reference only
See Product Specifications
Part No. PT42-21B-TR8
Manufacturer: Everlight
Category: Phototransistors
Description: Phototransistors IR Phototransistor
Datasheet: PT42-21B-TR8 Datasheet (PDF)
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
5: USD 0.1748 ea
Line Total: USD 0.87 
Availability - 13851
Ship by Thu. 08 May to Tue. 13 May
MOQ: 5  Multiples: 5
Pack Size: 5
Availability Price Quantity
1493
Ship by Thu. 01 May to Wed. 07 May
MOQ : 1000
Multiples : 1
1000 : USD 0.2237
2500 : USD 0.2045
5000 : USD 0.2014
7500 : USD 0.1984
25000 : USD 0.1786
50000 : USD 0.1718
100000 : USD 0.1648

13851
Ship by Thu. 08 May to Tue. 13 May
MOQ : 5
Multiples : 5
5 : USD 0.1748
50 : USD 0.1384
150 : USD 0.1202
1000 : USD 0.0692
2000 : USD 0.062
5000 : USD 0.0582

916
Ship by Tue. 29 Apr to Thu. 01 May
MOQ : 1
Multiples : 1
1 : USD 0.21
128 : USD 0.1456
353 : USD 0.1372

   
Manufacturer
Product Category
Brand
Rohs
Package
Current - Collector Max
Current - Dark Max
Wavelength
Spectral Range
Operating Temperature
Voltage - Collector Emitter Breakdown Max
LoadingGif
 
Notes:- Show Stocked Products With Similar Attributes.

We are delighted to provide the PT42-21B-TR8 from our Phototransistors category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the PT42-21B-TR8 and other electronic components in the Phototransistors category and beyond.

Image Part-Description
Stock Image EL-17-21SURC/S530-A2/TR8
Standard LEDs - SMD Red Water Clear 624nm 42mcd
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 19-213UYC/S530-A2/TR8
Standard LEDs - SMD Super Yellow
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image QTLP600C4TR
Green 570nm LED Indication - Discrete 2.1V 0603 (1608 Metric)
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image QTLP651C4TR
Standard LEDs - SMD 1206 W/LENS GRN
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image HLMPM501
Standard LEDs - Through Hole 4mm FLT TOP GRN DIFF
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image ITR-20002
Optical Switches, Reflective, Phototransistor Output Opto Interrupter
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image MAN6760
LED Displays & Accessories .56" RED BLANK FACE
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 11-21SURC-S530-A3-TR8
11-21SURC/S530-A3/TR8**NY^2104^0768612
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image SIR67-21/TR8
Infrared (IR) LEDs SMD,3.2x2.7mm RoHS
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image ELSW-F41Y1-OLPNM-AA3A5
Light Emitting Diodes (LED) Amber Color 585~595nm SMD,3.5x3.5mm RoHS
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Image Part-Description
Stock Image OP565B
Phototransistors Photodarlington
Stock : 6
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image SD1440-004L
Phototransistors Silicon PhotoTrans Mtl Can Coaxial Pkg
Stock : 3
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image SD5410-003
Phototransistors Silicon PhtoDrlngton TO-46 Mtl/Gls LnsdPk
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image SFH 314 FA
Phototransistors PHOTOTRANSISTOR
Stock : 1040
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image SDP8406-003
Phototransistors 50deg,3.4mA,SideLook 15us Rise and Fall
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image SDP8405-002
Phototransistors Silicon PhotoTrans T-1 Plastic Package
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image QSE122
Phototransistors 3mA PHOTO TRANS
Stock : 3
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image OP555C
Phototransistors Photo Transistor
Stock : 1
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image AP2012P3C-P22
Phototransistors 2x1.2mm PHOTOTRANS SMD LED
Stock : 1312
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image PT-A6-AC-5-PN-520
Phototransistor; 5mm; λp max:520nm; 60V; Lens: transparent; 50mW
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

The PT42-21B-TR8 is a Phototransistor manufactured by Everlight. It is an infrared (IR) phototransistor, which is a type of transistor that uses infrared radiation to determine current flow. It features a wider dynamic range of up to 5V and has a high Luminous sensitivity and a very low dark current. The device also features a wide viewing angle and a low noise factor, making it suitable for a range of applications. The PT42-21B-TR8 is ideal for use in switching circuits, surveillance systems, and detection of environmental changes.

Tariff Desc

8541.40.00 54 No .Light emitting diodes (LED), LED displays, optocouplers, photosensitive transistors and diodes, infra-red and fibre optic emitters and detectors Free

8541.10.00 15 No - Diodes, other than photosensitive or light emitting diodes Free

DIODES, TRANSISTORS AND SIMILAR SEMICONDUCTOR DEVICES; PHOTOSENSITIVE SEMICONDUCTOR DEVICES, INCLUDING PHOTOVOLTAIC CELLS WHETHER OR NOT ASSEMBLED IN MODULES OR MADE UP INTO PANELS; LIGHT-EMITTING DIODES (LED); MOUNTED PIEZO-ELECTRIC CRYSTALS:
Everlight Elec
EVERLIGHT ELEC.
EVERLIGHT ELECTRONICS
Everlight Electronics Co Ltd
Everlight Electronics CO., LTD
EVERLIGHT INTERNATIONAL CORP.
EVL
LA1KN11 Relay Sockets & Fixings by Schneider image

Mar 18, 2025
The Schneider LA1KN11 is a high-quality auxiliary contact block designed for TeSys K contactors, featuring 1 NO + 1 NC contacts with secure screw terminal connections. It enhances control and signaling capabilities in industrial automation, motor control centers, and electrical panels. With a robus
DRV8332DKD Ignition Controllers & Drivers by Texas Instruments image

Feb 18, 2025
The DRV8332DKD by Texas Instruments is a high-efficiency three-phase PWM motor driver, delivering up to 8A continuous and 13A peak current with an operating voltage of up to 50V. Designed for industrial automation, automotive, and consumer electronics, it features low RDS(on) MOSFETs for 97% effici
CFM-A225V-222-340-20 DC Axial Fan by CUI Devices image

Feb 20, 2025
The CFM-A225V-222-340-20 DC axial fan by CUI Devices is a high-performance cooling solution designed for IT, medical, and industrial applications worldwide, including the USA, India, Australia, and Europe . Featuring a 24V DC input, 97mA current draw, and a 120x120x25mm compact si
P16NP103MAB15 Passive Components by Vishay: High-Quality Potentiometers image

Apr 9, 2025
The P16NP103MAB15 potentiometer by Vishay is a high-quality Passive Component designed for precision control in electrical circuits. It features a linear taper , ensuring smooth resistance adjustments for industrial automation, audio equipment, and control systems.

Looking for help? Visit our FAQ's Section to answer to all your questions

 

X-ON Worldwide Electronics

Welcome To X-ON Electronics
For over three decades, we have been advocating and shaping the electronic components industry. Our management complements our worldwide business scope and focus. We are committed to innovation, backed by a strong business foundation. If you need a trustworthy supplier of electronic components for your business – look no further.
 

Copyright ©2025  X-ON Electronics Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing. All prices exclude GST.

Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted AS9120 Certified