### 物料型号
- Series: CTA2
- Contact Arrangement: 1A = SPST N.O., 1B = SPST N.C., 1C = SPDT, 1U = SPST N.O. (2 terminals)
- Sealing Options: S = Sealed, C = Dust Cover
- Termination: P = PCB Pins, Q = Quick Connect
- Coil Voltage: 6VDC, 12VDC, 24VDC
- Coil Power: 1.6W, 1.9W
- Coil Suppression: D = Diode (1N4005), D1 = Diode (1N4004), R = Resistor (680 Ohms), etc.
### 器件简介
CTA2系列继电器具有高达40A的大开关容量,体积小、重量轻,适合PCB引脚和快速连接安装,适用于汽车和灯具配件,通过QS-9000、ISO-9002认证。
### 引脚分配
- 1A: SPST N.O. (单刀单掷常开)
- 1B: SPST N.C. (单刀单掷常闭)
- 1C: SPDT (单刀双掷)
- 1U: SPST N.O. (双端子)
### 参数特性
- Contact Rating: 1A: 40A @ 14VDC, 1B: 30A @ 14VDC, 1C: 40A N.O. 和 30A N.C. @ 14VDC, 1U: 2x20A @ 14VDC
- Contact Resistance: < 30 milliohms initial
- Contact Material: AgSnO2
- Maximum Switching Power: 630W
- Maximum Switching Voltage: 75VDC
- Maximum Switching Current: 40A
### 功能详解
CTA2继电器具备电气寿命100K次,机械寿命10M次,绝缘电阻100M min @ 500VDC,耐压750V rms min. @ 海平面,抗冲击147m/s² for 11ms,抗振1.5mm双振幅10-40Hz。
### 应用信息
适用于需要大电流切换的应用场合,如汽车和灯具配件。
### 封装信息
- 尺寸: 26.0 x 26.0 x 24.5 (39.5) mm
- 重量: 31g
- 操作温度: -40°C 至 +85°C
- 存储温度: -40°C 至 +155°C
- 可焊性: 230°C ±2°C for 10±0.5s