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型号 主熔断体参数 受控特性 断开时间
Model TCO1 Heater Assemble Action Time
  额定温度
Rated
Function
temper-
ature
Tf(oC)
熔断温度
Fuse-Temp
(
)
保持温度
Holding
tempe-
rature
Th(
)
极限温度
Max.
temperature
limit
Tm(
)
额定电压
Rated
Voltage
Ur (Vac)
额定电流
Rated
Current
Ir (A)
加热电压
Resistance
Rated
Voltage
(Vdc)
加热阻值
Resistance
Ω
TCO1
断开
时间
S
TCO2
断开
时间
S
TCO3
断开
时间
S
TS125-R1 125 122±2 80 180 250AC 80 12 0.6+/-7.5% <40 TCO1+
(5-20)
TCO2+/-
5
125AC 100
100DC 100
TS125-R2 125 122±2 80 180 250AC 80 24 2.0+/-7.5% <40 TCO1+
(5-20)
TCO2+/-
5
125AC 100
100DC 100
TS125-R3 125 122±2 80 180 250AC 80 30 3.1+/-7.5% <30 TCO1+
(5-20)
TCO2+/-
5
125AC 100
100DC 100
TS125-R4 125 122±2 80 180 250AC 80 36 4.5+/-7.5% <30 TCO1+
(5-20)
TCO2+/-
5
125AC 100
100DC 100
TS125-R5 125 122±2 80 180 250AC 80 45 7.0+/-7.5% <30 TCO1+
(5-20)
TCO2+/-
5
125AC 100
100DC 100
 产品简介:
 左图是应用示意图,红色虚线框内是该产品原理图。它集成一个承载大电流的熔断体TCO1,发热片R1&R2和温度保险丝TCO2,隔离的温度保险丝TCO3
    BMS监测电池异常时,输出信号触发MOS管导通,发热片R1R2开始加热。温度保险丝TCO1受热后断开,永久性切断主回路。随后温度保险丝TCO2断开切断发热片。与此同时,温度保险丝TCO3也受热断开,产生一个独立开关信号给BMS
The left figure is the principle and application note. Inside the red square is ITCO, which integrated TCO1, R1&R2,TCO2 and TCO3.
When the BMS  detect the abnormal behavior of EV battery,        
The BMS output a signal to activate the MOSFET. Then the heater R1&R2 is power on and heat. The thermal cutoff(TCO1) blow and disconnect the circuit. After that, The TCO2 blow and disconnect the heater, the TCO3 blow at the same time and output a remote signal to BMS.