HMA121B
OPTOISO 3.75KV TRANSISTOR 4SMDManufacturer: onsemi
Categories: Transistor, Photovoltaic Output Optoisolators
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The onsemi HMA121B is a single-channel optoisolator featuring a transistor output. With an isolation voltage of 3750Vrms, this component is designed for robust signal isolation in demanding applications. It supports a DC input type and offers a maximum forward current of 50mA, with a typical forward voltage of 1.3V. The output stage delivers up to 80mA and exhibits a DC current transfer ratio ranging from a minimum of 50% at 5mA to a maximum of 150% at 5mA. The 4-SMD Gull Wing package is suitable for surface mount applications. Typical rise and fall times are 3µs. The HMA121B operates within a temperature range of -40°C to 100°C and is commonly utilized in industrial power supplies, motor control, and medical equipment where reliable isolation is critical.
Additional Information
Series: -RoHS Status: RoHS CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BoxDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Box |
| Package / Case | 4-SMD, Gull Wing |
| Output Type | Transistor |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 100°C |
| Voltage - Forward (Vf) (Typ) | 1.3V (Max) |
| Input Type | DC |
| Current - Output / Channel | 80mA |
| Voltage - Isolation | 3750Vrms |
| Current Transfer Ratio (Min) | 50% @ 5mA |
| Vce Saturation (Max) | 400mV |
| Current Transfer Ratio (Max) | 150% @ 5mA |
| Supplier Device Package | 4-SMD |
| Voltage - Output (Max) | 80V |
| Turn On / Turn Off Time (Typ) | - |
| Rise / Fall Time (Typ) | 3µs, 3µs |
| Number of Channels | 1 |
| Current - DC Forward (If) (Max) | 50 mA |
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