HMA121E
OPTOISO 3.75KV TRANSISTOR 4SMDManufacturer: onsemi
Categories: Transistor, Photovoltaic Output Optoisolators
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The onsemi HMA121E is a single-channel optoisolator featuring a transistor output. It provides 3750Vrms isolation and is housed in a 4-SMD, Gull Wing package suitable for surface mounting. This component supports a DC input type and offers an output current capability of 80mA per channel. Typical forward voltage (Vf) is 1.3V, with a maximum forward current (If) of 50mA. The current transfer ratio (CTR) ranges from a minimum of 150% at 5mA to a maximum of 300% at 5mA. The output transistor exhibits a Vce saturation of 400mV (Max). The HMA121E is designed for operation within a temperature range of -40°C to 100°C and has typical rise and fall times of 3µs. This device finds application in power supplies, industrial automation, and telecommunications equipment where robust galvanic 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) | 150% @ 5mA |
| Vce Saturation (Max) | 400mV |
| Current Transfer Ratio (Max) | 300% @ 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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