HMHA281R3
OPTOISO 3.75KV TRANSISTOR 4SMDManufacturer: onsemi
Categories: Transistor, Photovoltaic Output Optoisolators
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The onsemi HMHA281R3 is a single-channel optoisolator featuring a transistor output. This device provides 3750Vrms isolation and is housed in a 4-SMD (4-Mini-Flat) package suitable for surface mounting. It operates with a DC input and offers a high current transfer ratio, with a minimum of 50% at 5mA and a maximum of 600% at 5mA. The output current capability is 50mA, and the collector-emitter saturation voltage is a maximum of 400mV. The forward voltage is typically 1.3V. With a typical rise and fall time of 3µs, the HMHA281R3 is utilized in applications requiring electrical isolation, such as power supplies, industrial controls, and telecommunications equipment. It is supplied on tape and reel for automated assembly and operates within an ambient temperature range of -55°C to 100°C.
Additional Information
Series: -RoHS Status: RoHS CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 4-SOIC (0.173"", 4.40mm Width) |
| Output Type | Transistor |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 100°C |
| Voltage - Forward (Vf) (Typ) | 1.3V (Max) |
| Input Type | DC |
| Current - Output / Channel | 50mA |
| Voltage - Isolation | 3750Vrms |
| Current Transfer Ratio (Min) | 50% @ 5mA |
| Vce Saturation (Max) | 400mV |
| Current Transfer Ratio (Max) | 600% @ 5mA |
| Supplier Device Package | 4-Mini-Flat |
| 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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