CT Micro 晶体管 CT357B(T1)

CT Micro  晶体管 CT357B(T1)

CT Micro  晶体管 CT357B(T1)

这个是电路控制中的说法。在很多自动化设备中，电路最终都需要对一些执行部件(如电机、电磁铁)实施控制，电路对这些执行部件的控制可通过继电器、双向晶闸管、晶体管等开关器件进行，因此对于电路的输出端来说就有了与之对应的"继电器输出、双向晶闸管输出、晶体管输出"等类型。

CT Micro  晶体管 CT357B(T1)

Transfer Characteristics

Symbol Parameters Test Conditions Min Typ Max Units Notes

CTR Current Transfer Ratio

CT357

IF= 5mA, VCE= 5V

50 600

%

CT357A 80 160

CT357B 130 260

CT357C 200 400

CT357D 300 600

VCE(SAT)

Collector-Emitter Saturation

Voltage

IF= 20mA, IC= 1mA - 0.06 0.2 V

RIO Isolation Resistance VIO= 500VDC 5x1010 Ω

CIO Isolation Capacitance f= 1MHz 0.5 1 pF

CT Micro  晶体管 CT357B(T1)

CT Micro  晶体管 CT357B(T1)

Features

•High isolation 3750 VRMS

•Multiple CTR selection available

•DC input with transistor output

•Operating temperature range - 55 °C to 110 °C

•Green Package

•Regulatory Approvals

UL - UL1577 (E364000)

VDE - EN60747-5-5(VDE0884-5)

CQC – GB4943.1, GB8898

IEC60065, IEC60950

Description

These series of general purpose optocoupler

consists of a photo transistor optically coupled to a

gallium arsenide Infrared-emitting diode in a 4-lead

Mini-Flat package.

Applications

•DC-DC Converters

•Programmable controllers

•Telecommunication equipment

•Hybrid substrates that require high density

mounting

CT Micro  晶体管 CT357B(T1)