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| Part Number | IR21593 | IR21593S | IR21591 | IR2159S | IR2159 |
| Manufacturer | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Series | - | - | - | - | - |
| Package/Case | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) | 16-DIP (0.300", 7.62mm) |
| Packaging | Tube | Tube | Tube | Tube | Tube |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Ballast Controller | Ballast Controller | Ballast Controller | Ballast Controller | Ballast Controller |
| Frequency | 30kHz ~ 230kHz | 30kHz ~ 230kHz | 30kHz ~ 230kHz | 25kHz ~ 95kHz | 25kHz ~ 95kHz |
| Voltage - Supply | 12V ~ 16.5V | 12V ~ 16.5V | 12V ~ 16.5V | 12V ~ 16.5V | 12V ~ 16.5V |
| Current - Supply | 10 mA | 10 mA | 10 mA | 10 mA | 10 mA |
| Current - Output Source/Sink | - | - | - | - | - |
| Dimming | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Grade | - | - | - | - | - |
| Qualification | - | - | - | - | - |
| Mounting Type | Through Hole | Surface Mount | Through Hole | Surface Mount | Through Hole |
| Supplier Device Package | 16-DIP | 16-SOIC | 16-DIP | 16-SOIC | 16-DIP |
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