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IS281B is out of stock and can be placed on backorder.
Available Substitutes:
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
IS281B | |
|---|---|
DigiKey Part Number | IS281BTR-ND - Tape & Reel (TR) IS281BCT-ND - Cut Tape (CT) IS281BDKR-ND - Digi-Reel® |
Manufacturer | |
Manufacturer Part Number | IS281B |
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) 60 mA |
Voltage - Isolation 3750Vrms | Vce Saturation (Max) 200mV |
Current Transfer Ratio (Min) 130% @ 5mA | Operating Temperature -55°C ~ 110°C |
Current Transfer Ratio (Max) 260% @ 5mA | Mounting Type Surface Mount |
Rise / Fall Time (Typ) 5µs, 3µs | Package / Case 4-SOIC (0.173", 4.40mm Width) |
Input Type DC | Base Product Number |
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Substitutes (1)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| IS281BL | Isocom Components 2004 LTD | 0 | 58-IS281BLTR-ND | $0.59000 | Parametric Equivalent |
In-Stock: 0
1,000 estimated in stock on 16-Nov-2026
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Quantity
All prices are in USD
Cut Tape (CT) & Digi-Reel®
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $0.73000 | $0.73 |
| 10 | $0.43600 | $4.36 |
| 100 | $0.28660 | $28.66 |
| 500 | $0.22810 | $114.05 |
Tape & Reel (TR)
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1,000 | $0.21017 | $210.17 |
| 2,000 | $0.19548 | $390.96 |
| 3,000 | $0.18814 | $564.42 |
| 5,000 | $0.18004 | $900.20 |
| 7,000 | $0.17532 | $1,227.24 |
| 10,000 | $0.17078 | $1,707.80 |
| 25,000 | $0.16104 | $4,026.00 |
| 50,000 | $0.15520 | $7,760.00 |
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.
