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| PartNumber | KA75420Z | KA75420ZBU | KA75420ZBU-AT |
| Description | Voltage Detector, Fixed, +4.2V, 3 Pin, Plastic, SIP | IC VOLTAGE DETECTOR 4.2V TO-92 | |
| Manufacturer | - | Fairchild Semiconductor | - |
| Product Category | - | PMIC - Supervisors | - |
| Series | - | - | - |
| Type | - | Simple Reset/Power-On Reset | - |
| Packaging | - | Bulk | - |
| Package Case | - | TO-226-3, TO-92-3 (TO-226AA) | - |
| Operating Temperature | - | -25°C ~ 85°C (TA) | - |
| Mounting Type | - | Through Hole | - |
| Supplier Device Package | - | TO-92-3 | - |
| Output | - | Open Drain or Open Collector | - |
| Reset | - | Active Low | - |
| Number of Voltages Monitored | - | 1 | - |
| Reset Timeout | - | - | - |
| Voltage Threshold | - | 4.2V | - |