Description: PROTECTOR IC FOR STEREO POWER AMPLIFIER. Manufacturer: NEC.

2019年9月17日 · C1237HA is a monolithic integrated circuit designed for protecting stereo power amplifiers and loudspeakers. Pinout. Features. 1. Work stably within power supply voltage range. ( Vcc = 25 to 60V ) 2. Contain a relay driver. ( Max. 80 mA ) 3. Work as either latching function or automatic resetting function by using pin 3. 4. Need only single ...

2024年11月19日 · C1237HA是一款集成电路，主要用于音响系统中的扬声器保护。它具有多个引脚，每个引脚具有特定的功能。以下是C1237HA各脚的功能和参数： 1. pin1脚：功放输出直流电流过载检测。此脚通过放大电路接在功放大功率管的E极上。

2015年7月5日 · uPC1237⑦脚是电源接通延时端，由R7、c3参数确定开机静音时间，即通电后，待功放电路达到平衡稳定时，延时电路再让继电器触点接通扬声器。 这样可以彻底消除开机通电冲击噪声，增大c3或R7可延长开机静音时间。 uPC1237⑧脚是电源端，最高极限值为8v。 当Vcc不同时，R8的阻值相应不同，可查表1确定。 uPC1237④脚是交流断电检测端，用于功放关机静音。 当功放电源开关关断时，变压器次级交流电压立即消失，c2小容量电容经④脚内阻快 …

2023年10月16日 · The C1237HA is a monolithic integrated circuit designed for protecting stereo power amplifiers and loudspeakers. In a stereo power amplifier, a protection IC (Integrated Circuit) is often used to safeguard the amplifier and connected speakers from potential damage due to various issues such as short circuits, overheating, over-voltage, and ...

2024年1月4日 · c1237ha(集成电路)具有体积小，重量轻，引出线和焊接点少，寿命长，可靠性高，性能好等优点，同时成本低，便于大规模生产。 它不仅在工、民用电子设备如收录机、电视机、计算机等方面得到广泛的应用，同时在军事、通讯、遥控

Part #: C1237HA. Description: PROTECTOR IC FOR STEREO POWER AMPLIFIER. File Size: 1151.17 Kbytes. Manufacturer: NEC.

C1237HA is a monolithic integrated circuit designed for protecting stereo power amplifier and loudspeaker. Package/Case 8 Pin Plastic Slim SIP. Work stably within a wide power supply voltage range. (VCC = 25 to 60V) Contain a relay driver. (Max. I6 = 80mA) Work as either latching function or automatic resetting function by using pin3.

Part #: C1237HA. Datasheet: 1MbKb/10P. Manufacturer: NEC. Description: PROTECTOR IC FOR STEREO POWER AMPLIFIER. 1 Results.

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