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| PartNumber | KA556 | KA5561 | KA556A |
| Description | Timers & Support Products Dual Timer | ||
| Manufacturer | ON Semiconductor | - | - |
| Product Category | Timers & Support Products | - | - |
| RoHS | Y | - | - |
| Type | Standard | - | - |
| Number of Internal Timers | 2 Timer | - | - |
| Supply Voltage Max | 16 V | - | - |
| Supply Voltage Min | 4.5 V | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | PDIP-14 | - | - |
| Packaging | Tube | - | - |
| Height | 3.25 mm | - | - |
| Length | 19.4 mm | - | - |
| Width | 6.4 mm | - | - |
| Brand | ON Semiconductor / Fairchild | - | - |
| High Level Output Current | 200 mA | - | - |
| Low Level Output Current | - 200 mA | - | - |
| Pd Power Dissipation | 600 mW | - | - |
| Product Type | Timers & Support Products | - | - |
| Factory Pack Quantity | 25 | - | - |
| Subcategory | Clock & Timer ICs | - | - |
| Part # Aliases | KA556_NL | - | - |
| Unit Weight | 0.057144 oz | - | - |