HP-GL/2, PDF, RTL, Bitmaps >> View, Edit, Optimize, Export, Print, Plot
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit | |-----------|--------|------------|-----|-----|-----|------| | Rise time | ( t_r ) | - | - | 4 | 18 | µs | | Fall time | ( t_f ) | - | - | 3 | 18 | µs | | Turn-on time | ( t_on ) | - | - | 6 | - | µs | | Turn-off time | ( t_off ) | - | - | 5 | - | µs |
Note: Switching times vary with load resistor and transistor biasing. 1458 optocoupler datasheet
Drawing not to scale. Typical dimensions: | Parameter | Symbol | Conditions | Min
Pin 1: Anode
Pin 2: Cathode
Pin 3: No connection (NC)
Pin 4: Emitter
Pin 5: Collector
Pin 6: Base (optional; leave open for standard operation) Pin 1: Anode Pin 2: Cathode Pin 3:
If the user needs an optocoupler and mistakenly searched for "1458," here are correct alternatives:
| Application | Recommended Part | Key Feature | |-------------|------------------|--------------| | General purpose, low speed | 4N35, PC817 | Cheap, CTR ≥ 100% | | High CTR (> 500%) | CNY17-4 | Can be driven from µA currents | | High speed (1 Mbit/s) | 6N137 | Logic output, t_pd < 100 ns | | Dual channel, high voltage | HCPL-2531 | Two independent optocouplers | | Zero-crossing SSR trigger | MOC3063 | Triac driver output |