SI8421BB-D-IS is out of stock and can be placed on backorder.
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Skyworks Solutions Inc.
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General Purpose Digital Isolator 2500Vrms 2 Channel 150Mbps 25kV/µs (Typ) CMTI 8-SOIC (0.154", 3.90mm Width)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
General Purpose Digital Isolator 2500Vrms 2 Channel 150Mbps 25kV/µs (Typ) CMTI 8-SOIC (0.154", 3.90mm Width)

SI8421BB-D-IS

DigiKey Part Number
336-1756-5-ND
Manufacturer
Manufacturer Product Number
SI8421BB-D-IS
Description
DGTL ISOLTR 2.5KV 2CH GP 8-SOIC
Customer Reference
Detailed Description
General Purpose Digital Isolator 2500Vrms 2 Channel 150Mbps 25kV/µs (Typ) CMTI 8-SOIC (0.154", 3.90mm Width)
Datasheet
 Datasheet
EDA/CAD Models
SI8421BB-D-IS Models
Product Attributes
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Category
Common Mode Transient Immunity (Min)
25kV/µs (Typ)
Mfr
Data Rate
Packaging
Tube
Propagation Delay tpLH / tpHL (Max)
9.5ns, 9.5ns
Part Status
Not For New Designs
Pulse Width Distortion (Max)
2.5ns
Technology
Capacitive Coupling
Rise / Fall Time (Typ)
3.8ns, 2.8ns
Type
General Purpose
Voltage - Supply
2.7V ~ 5.5V
Isolated Power
No
Operating Temperature
-40°C ~ 125°C
Number of Channels
2
Mounting Type
Surface Mount
Inputs - Side 1/Side 2
1/1
Package / Case
Channel Type
Unidirectional
Supplier Device Package
8-SOIC
Voltage - Isolation
2500Vrms
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (26)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
SI8621BB-B-ISSkyworks Solutions Inc.0336-2570-ND$2.49000Direct
ISO7221AQDRQ1Texas Instruments1,109296-ISO7221AQDRQ1TR-ND$3.99000Similar
ISO7421FEDRTexas Instruments119296-48556-2-ND$3.57000Similar
ISO7421EDRTexas Instruments99296-46299-2-ND$3.89000Similar
ISO7220ADRTexas Instruments0296-21952-2-ND$3.19000Similar
In-Stock: 0
96 estimated in stock on 07-Dec-2026
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Not recommended for new design, minimums may apply View Substitutes or Alternative Package Types
All prices are in USD
Tube
QuantityUnit PriceExt Price
1$2.73000$2.73
10$2.04800$20.48
96$1.69469$162.69
192$1.62417$311.84
288$1.58885$457.59
576$1.56250$900.00
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
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