IS181B
SearchOptoisolator Transistor Output 3750Vrms 1 Channel
Lifecycle: Active Supply Risk Score and Supply Risk Trend are available on Pro and Enterprise. Watchlist (Pro)
Datasheets:Datasheet (Farnell)
Country of origin: CNRoHS Compliant MSL MSL 1Isolators
Farnell(1/4)
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View PlansConfirmed Stock
395,354
5 of 8 suppliers stocked
Best Unit Price
—
Availability
5of 8 suppliers
Fastest delivery: 38 days
Shortest factory lead: 3 weeks
Stock by Supplier
Stock & Availability
| Supplier | Supplier Part Number | Stock | Delivery | Factory Lead | MOQ | Packaging | Status |
|---|---|---|---|---|---|---|---|
 | IS181BCT-ND | 107,245 | — | 4 weeks | Minimum order quantity 1 | Cut Tape (CT) | In Stock |
| IS181BDKR-ND | 107,245 | — | 4 weeks | Minimum order quantity 1 | Digi-Reel® | In Stock |
| IS181BTR-ND | 107,245 | — | 4 weeks | Minimum order quantity 3,000Order multiple 3,000 | Tape & Reel (TR) | In Stock |
 | 51,000 | — | 3 weeks | Minimum order quantity 3,000Order multiple 3,000 | REEL | In Stock | |
 | 17,169 | — | — | Minimum order quantity 1 | RL1 | In Stock | |
 | 3,000 | — | — | Minimum order quantity 150 | — | In Stock | |
 | 2,450 | 38 days | — | Minimum order quantity 5 | — | In Stock | |
 | 0 | — | — | Minimum order quantity 5Order multiple 5 | Tape & Reel (TR) | No Stock |
Supplier Part Details
| Supplier | Description | RoHS | MSL | Life Cycle | SVHC | Category | Country | Weight | Tariff Code | Packaging | Links |
|---|---|---|---|---|---|---|---|---|---|---|---|
Winsource IS181B | OPTOISO 3.75KV TRANS MINI-FLAT | Yes | — | — | — | — | — | — | — | — | |
LCSC C6176578 | 50mA 1.2V SMD-4P Transistor, Photovoltaic Output Optoisolators RoHS | Yes | — | — | — | Transistor, Photovoltaic Output Optoisolators | — | 0.001 g | — | Tape & Reel (TR) | |
Digi-Key IS181BCT-ND | Optoisolator Transistor Output 3750Vrms 1 Channel | — | MSL 1 | Active | — | Isolators | — | — | 8541.49.8000 (US HTS) | Cut Tape (CT) | |
Digi-Key IS181BDKR-ND | Optoisolator Transistor Output 3750Vrms 1 Channel | — | MSL 1 | Active | — | Isolators | — | — | 8541.49.8000 (US HTS) | Digi-Reel® | |
Digi-Key IS181BTR-ND | Optoisolator Transistor Output 3750Vrms 1 Channel | — | MSL 1 | Active | — | Isolators | — | — | 8541.49.8000 (US HTS) | Tape & Reel (TR) | |
Farnell 4523387 | ISOCOM COMPONENTS 2004 LTD - IS181B - Optokoppler, Transistorausgang, 1 Kanal, SMD, 4 Pin(s), 50 mA, 3.75 kV, 130 % | Yes | — | Active | No SVHC (25-Jun-2025) | — | CN | — | 85419000 (EU CN) | — | |
Future Electronics IS181B | IS181 Series 1 Channel 80 V 3750 Vrms SMT Phototransistor Photocoupler - SSOP-4 | Yes | — | Active | — | isolation components optocouplers | — | — | — | REEL | |
TME IS181B | Optokoppler; SMD; Ch: 1; OUT: Transistor; UIsol: 3,75kV; Uce: 35V | — | — | — | — | Optokoppler - Analogausgang | — | — | — | RL1 |
Technical Attributes
Fall time3us
Features-
Isolation Voltage(Vrms)3.75kV
Number of Channels1
Operating Temperature-55℃~+100℃
Output Current50mA
Rise time4us
Voltage - Forward(Vf)1.2V