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| Model | Name | Encapsulation | Characterization | Remarks | Specifications |
| LM358 | Dual operational amplifier | SOP 8 / DIP 8 | Two independent, high gain, low offset operational amplifiers | ||
| Lm358h (import substitution) | Dual operational amplifier | SOP 8 / DIP 8 | Two independent high voltage operational amplifiers with high gain and low offset | ||
| LM324 | Four way operational amplifier | SOP14 / DIP14 | Four independent, high gain, low offset operational amplifiers | ||
| Lm324h (import substitution) | Four way operational amplifier | SOP14 / DIP14 | Four independent, high gain, low offset high voltage operational amplifiers | ||
| HC322 | Turn lamp circuit | SOT23-6 | Small signal amplification, comparison circuit, used for charging indication | ||
| LM321 | Single operational amplifier | SOT23-5 | Single independent, high gain, low offset operational amplifier | ||
| LM393 | Dual voltage comparator | SOP 8 / DIP 8 | Two independent, low offset comparators | ||
| LM339 | Four way voltage comparator | SOP8 / DIP8 | Four independent, low offset comparators | ||
| 3842 | pwm controller | SOP8 / DIP8 | Current controlled pulse width modulation with built-in reference. The output can drive power transistor or FET directly | ||
| 7500 | pwm controller | SOP-16/DIP-16 | Fixed frequency pulse width modulation circuit, including all the functions of switching power supply control | ||
| TL494 | pwm controller | SOP-16/DIP-16 | Fixed frequency pulse width modulation circuit, including all the functions of switching power supply control | ||
| 4011 | Or not gate | SOP14 / DIP14 | Withstand voltage 15V, low power consumption, high input impedance, strong output capability | ||
| 4069 | Inverter | SOP14 / DIP14 | Withstand voltage 15V, low power consumption, high input impedance, strong output capability | ||
| 78L05 | Three terminal voltage stabilizing circuit | TO92 / SOT23-3 | The maximum input voltage is 36V and the current is 100mA | ||
| 78M05 | Three terminal voltage stabilizing circuit | TO-252 | The maximum input voltage is 36V and the current is 500mA | ||
| 7805 | Three terminal voltage stabilizing circuit | TO-220 | Maximum input voltage 36V, current 1a | ||
| 7905 | Three terminal voltage stabilizing circuit | TO-220 | Maximum input voltage 36V, current 1a | ||
| 74HC595 | 8-bit shift register | SOP16 / DIP16 | 8-bit shift latch output register, the output is 3-state control | ||
| 74HC164 | 8-bit shift register | SOP14 / DIP14 | 8-bit edge triggered serial in and parallel out shift register | ||
| TL431 | Voltage reference circuit | TO92 / SOT23-3/ SOT89-3 | The maximum input voltage is 37V, the current is 150mA, and the internal reference voltage is 2.495v |
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