IS181A is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


Isocom Components 2004 LTD
In Stock: 0
Unit Price: $0.45000
Datasheet

Parametric Equivalent


Isocom Components 2004 LTD
In Stock: 0
Unit Price: $0.45000
Datasheet

Parametric Equivalent


Isocom Components 2004 LTD
In Stock: 0
Unit Price: $0.66000
Datasheet

Parametric Equivalent


Diodes Incorporated
In Stock: 0
Unit Price: $0.23000
Datasheet

Parametric Equivalent


Diodes Incorporated
In Stock: 0
Unit Price: $0.11774
Datasheet

Parametric Equivalent


Lite-On Inc.
In Stock: 0
Unit Price: $0.44000
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Parametric Equivalent


onsemi
In Stock: 0
Unit Price: $0.21814
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Parametric Equivalent


Broadcom Limited
In Stock: 0
Unit Price: $0.65000
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Parametric Equivalent


Broadcom Limited
In Stock: 0
Unit Price: $0.67000
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Parametric Equivalent


Würth Elektronik
In Stock: 0
Unit Price: $0.39000
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Parametric Equivalent


Everlight Electronics Co Ltd
In Stock: 0
Unit Price: $0.00000
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Parametric Equivalent


Everlight Electronics Co Ltd
In Stock: 0
Unit Price: $0.00000
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Parametric Equivalent


Everlight Electronics Co Ltd
In Stock: 0
Unit Price: $0.00000
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Parametric Equivalent


Everlight Electronics Co Ltd
In Stock: 0
Unit Price: $0.00000
Datasheet
Optoisolator Transistor Output 3750Vrms 1 Channel
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

IS181A

DigiKey Part Number
IS181ATR-ND - Tape & Reel (TR)
IS181ACT-ND - Cut Tape (CT)
IS181ADKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
IS181A
Description
OPTOISOLATOR 3.75KV 1CH TRANS
Manufacturer Standard Lead Time
4 Weeks
Customer Reference
Detailed Description
Optoisolator Transistor Output 3750Vrms 1 Channel
Datasheet
 Datasheet
Product Attributes
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Category
Output Type
Transistor
Manufacturer
Isocom Components 2004 LTD
Voltage - Output (Max)
80V
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Current - Output / Channel
50mA
Part Status
Active
Voltage - Forward (Vf) (Typ)
1.2V
Number of Channels
1
Current - DC Forward (If) (Max)
50 mA
Voltage - Isolation
3750Vrms
Vce Saturation (Max)
200mV
Current Transfer Ratio (Min)
80% @ 5mA
Operating Temperature
-55°C ~ 100°C
Current Transfer Ratio (Max)
160% @ 5mA
Mounting Type
Surface Mount
Rise / Fall Time (Typ)
4µs, 3µs
Package / Case
4-SMD, Gull Wing
Input Type
DC
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (14)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
IS121AIsocom Components 2004 LTD058-IS121ATR-ND$0.45000Parametric Equivalent
IS2701-1AIsocom Components 2004 LTD058-IS2701-1ATR-ND$0.45000Parametric Equivalent
IS357AIsocom Components 2004 LTD058-IS357ATR-ND$0.66000Parametric Equivalent
DPC357S-A-TRDiodes Incorporated031-DPC357S-A-TR-ND$0.23000Parametric Equivalent
DPC357S-A-TR-VDiodes Incorporated031-DPC357S-A-TR-VTR-ND$0.11774Parametric Equivalent
In-Stock: 0
3,000 estimated in stock on 26-Oct-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.45000$0.45
10$0.31100$3.11
100$0.22230$22.23
500$0.18226$91.13
1,000$0.16908$169.08
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.13891$416.73
6,000$0.13030$781.80
9,000$0.12600$1,134.00
15,000$0.12125$1,818.75
21,000$0.11848$2,488.08
30,000$0.11582$3,474.60
75,000$0.11011$8,258.25
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.