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4N28SM
Isocom Components 2004 LTD
6PIN TRANSISTOR OUTPUT, SINGLE,
2782 Pcs New Original In Stock
Optoisolator Transistor with Base Output 7.5Vpk 1 Channel
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Minimum 1
5.0 / 5.0
- (304 Ratings)
4N28SM
Product Overview
1908445
DiGi Electronics Part Number
4N28SM-DGManufacturer
Isocom Components 2004 LTD
4N28SM
Description
6PIN TRANSISTOR OUTPUT, SINGLE,Inventory
2782 Pcs New Original In Stock
Optoisolator Transistor with Base Output 7.5Vpk 1 Channel
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
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Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
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Worldwide Delivery in 3-5 Business Days
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4N28SM Technical Specifications
Category
Optoisolators, Transistor, Photovoltaic Output Optoisolators
Packaging
Tube
Series
4N28
Product Status
Active
Number of Channels
1
Voltage - Isolation
7.5Vpk
Current Transfer Ratio (Min)
10% @ 10mA
Current Transfer Ratio (Max)
-
Turn On / Turn Off Time (Typ)
-
Rise / Fall Time (Typ)
2µs, 2µs
Input Type
DC
Output Type
Transistor with Base
Voltage - Output (Max)
30V
Current - Output / Channel
50mA
Voltage - Forward (Vf) (Typ)
1.2V
Current - DC Forward (If) (Max)
60 mA
Vce Saturation (Max)
500mV
Operating Temperature
-55°C ~ 100°C
Mounting Type
Surface Mount
Package / Case
6-SMD, Gull Wing
Supplier Device Package
-
Datasheet & Documents
Datasheets
Download 4N28SM Product Specification (PDF)
HTML Datasheet
4N28SM-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.49.8000
Additional Information
Other Names
56-4N28SM-DG
56-4N28SM
58-4N28SM
Standard Package
65
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
発送の早さと正確さが気に入っています。
Dec 02, 2025
Reliability is a cornerstone of DiGi Electronics, and they consistently exceed my expectations.
Dec 02, 2025
Super fast shipping! I was surprised at how quickly my products arrived after placing the order.
Dec 02, 2025
Transparent pricing helps us avoid unexpected costs and plan our budgets more accurately.
Dec 02, 2025
Order arrived faster than expected, and their customer service was quick to resolve my issues.
Dec 02, 2025
Their shipping process is efficient, and I often receive my order the day after I purchase.
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Frequently Asked Questions (FAQ)
What is the main function of the isocom-components 4N28 series optoisolator?
The 4N28 optoisolator provides electrical isolation between input and output, utilizing a transistor with photovoltaic output to switch signals without direct electrical connection.
Is the 4N28 optoisolator compatible with different voltage and current levels?
Yes, it supports output voltages up to 30V and output currents up to 50mA, making it suitable for various applications requiring reliable electrical isolation and signal transfer.
What are the typical applications for the 4N28 transistor output optoisolator?
The 4N28 is commonly used in motor control, signal isolation, data communication, and safety circuits where electrical separation and noise immunity are critical.
How do I mount and integrate the 4N28 optoisolator into my circuit?
The 4N28 features a surface-mount 6-SMD gull wing package, ideal for PCB mounting in compact designs, and should be handled with proper static precautions during installation.
What about the reliability and after-sales support for this optoisolator?
This series is RoHS3 compliant, with a high MSL level (Level 1), indicating limited moisture sensitivity, and is backed by rapid inventory availability and manufacturer support for consistent quality.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
4N28SM CAD Models
Isocom Components 2004 LTD 4N28SM PCB symbols & footprints
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