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A2S1CSQ12VDC1.9 Electronic Components 系列

Citizen Electronics Co., Ltd.

继电器汽车终端形状：快速连接触点排列：SPDT 线圈电压：12 VDC 电流：40 A 工作功能：单侧稳定密封选项：线圈密封功率：1.9 W 线圈抑制：2个二极管（1N4005）

Citizen Electronics Co., Ltd. 的 A2S1CSQ12VDC1.9 系列专为汽车应用设计，其中空间和可靠性至关重要。这些继电器具有快速连接端子形状和单极双掷（SPDT）触点排列，使其非常适合需要大电流处理能力的切换电路。该继电器配备 12 VDC 线圈和 40 A 的电流额定值，能够承受显著负载，这对于汽车电气系统来说至关重要。

值得注意的是，所有型号均采用密封设计，有助于防止环境污染物侵入，从而在恶劣条件下确保长期可靠性。该系列包括多种线圈抑制选项，例如两个二极管（1N4005）、一个二极管（1N4005 或 1N4004）、一个电阻（680 欧姆），甚至二极管和电阻的组合。这些抑制方法有助于减少线圈引起的噪声并提高继电器在敏感电子系统中的整体性能。

当工程师需要一种适用于汽车应用的可靠大电流继电器，并且需要快速连接以及对环境因素提供强大保护时，往往会选用这种继电器。不同的线圈抑制配置允许设计师根据具体应用需求精细调整继电器的性能，无论是为了减少电磁干扰（EMI），还是仅仅提供更稳定的运行环境。

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A2S1CSQ12VDC1.9 Electronic Components - 型号列表

共 5 个型号

频率

制造商零件编号库存价格产品类别电流频率线圈功率释放时间线圈电阻吸合电压供电电压峰值脉冲功率击穿电压最大额定电流释放电压绝缘电阻触点额定值 @ 电压触点间介电强度重量安装类型触头材料尺寸/外形端子螺钉表面处理典型触点布局类型功能卡标准电气寿命动作时间可焊性机械寿命抗冲击能力防护等级工作温度
A2S1CSQ12VDC1.92D
A2S1CSQ12VDC1.92D

Relay Automotive Terminal shape: Quick Connect Contact Arrangement: SPDT Coil voltage: 12 VDC Current: 40 A Operating Function: Single Side Stable Sealing Options: Sealed Coil Power: 1.9 W Coil Suppression: 2 diodes (1N4005)

CIT Relay and Switch

0-40 Amps2 diodes (1N4005)1.9 W5 ms1.6W: 90 ohm, 1.9W: 75.8 ohm8.4 VDC15.6 VDC630W75VDC40A0.6 VDC100Mohm min @ 500VDC1A: 40A @ 14VDC; 1B: 30A @ 14VDC; 1C: 40A @ 14VDC N.O. and 30A @ 14VDC N.C.; 1U: 2x20A @ 14VDC500V rms min. @ sea level31gQuick ConnectAgSnO226.0 x 26.0 x 24.5 (39.5) mm8N (Quick Connect), 4N (PCB Pins)1C SPDTRelaysSingle Side StableAutomotive Relay100K cycles, typical7 ms260C for 5s10M cycles, typical147m/s^2 for 11msSealed-40C to + 85C
A2S1CSQ12VDC1.9D
A2S1CSQ12VDC1.9D

Relay Automotive Terminal shape: Quick Connect Contact Arrangement: SPDT Coil voltage: 12 VDC Current: 40 A Operating Function: Single Side Stable Sealing Options: Sealed Coil Power: 1.9 W Coil Suppression: Diode (1N4005) Cathode on '86' terminal

CIT Relay and Switch

10320: ¥18.4958-40 AmpsDiode (1N4005) Cathode on '86' terminal1.9 W5 ms1.6W: 90 ohm, 1.9W: 75.8 ohm8.4 VDC15.6 VDC630W75VDC40A0.6 VDC100Mohm min @ 500VDC1A: 40A @ 14VDC; 1B: 30A @ 14VDC; 1C: 40A @ 14VDC N.O. and 30A @ 14VDC N.C.; 1U: 2x20A @ 14VDC500V rms min. @ sea level31gQuick ConnectAgSnO226.0 x 26.0 x 24.5 (39.5) mm8N (Quick Connect), 4N (PCB Pins)1C SPDTRelaysSingle Side StableAutomotive Relay100K cycles, typical7 ms260C for 5s10M cycles, typical147m/s^2 for 11msSealed-40C to + 85C
A2S1CSQ12VDC1.9D1
A2S1CSQ12VDC1.9D1

Relay Automotive Terminal shape: Quick Connect Contact Arrangement: SPDT Coil voltage: 12 VDC Current: 40 A Operating Function: Single Side Stable Sealing Options: Sealed Coil Power: 1.9 W Coil Suppression: Diode (1N4004) Cathode on '86' Terminal

CIT Relay and Switch

0-40 AmpsDiode (1N4004) Cathode on '86' Terminal1.9 W5 ms1.6W: 90 ohm, 1.9W: 75.8 ohm8.4 VDC15.6 VDC630W75VDC40A0.6 VDC100Mohm min @ 500VDC1A: 40A @ 14VDC; 1B: 30A @ 14VDC; 1C: 40A @ 14VDC N.O. and 30A @ 14VDC N.C.; 1U: 2x20A @ 14VDC500V rms min. @ sea level31gQuick ConnectAgSnO226.0 x 26.0 x 24.5 (39.5) mm8N (Quick Connect), 4N (PCB Pins)1C SPDTRelaysSingle Side StableAutomotive Relay100K cycles, typical7 ms260C for 5s10M cycles, typical147m/s^2 for 11msSealed-40C to + 85C
A2S1CSQ12VDC1.9DR
A2S1CSQ12VDC1.9DR

Relay Automotive Terminal shape: Quick Connect Contact Arrangement: SPDT Coil voltage: 12 VDC Current: 40 A Operating Function: Single Side Stable Sealing Options: Sealed Coil Power: 1.9 W Coil Suppression: Diode & Resistor Cathode on '86' Terminal (1N4005 & 680 Ohms)

CIT Relay and Switch

0-40 AmpsDiode & Resistor Cathode on '86' Terminal (1N4005 & 680 Ohms)1.9 W5 ms1.6W: 90 ohm, 1.9W: 75.8 ohm8.4 VDC15.6 VDC630W75VDC40A0.6 VDC100Mohm min @ 500VDC1A: 40A @ 14VDC; 1B: 30A @ 14VDC; 1C: 40A @ 14VDC N.O. and 30A @ 14VDC N.C.; 1U: 2x20A @ 14VDC500V rms min. @ sea level31gQuick ConnectAgSnO226.0 x 26.0 x 24.5 (39.5) mm8N (Quick Connect), 4N (PCB Pins)1C SPDTRelaysSingle Side StableAutomotive Relay100K cycles, typical7 ms260C for 5s10M cycles, typical147m/s^2 for 11msSealed-40C to + 85C
A2S1CSQ12VDC1.9R
A2S1CSQ12VDC1.9R

Relay Automotive Terminal shape: Quick Connect Contact Arrangement: SPDT Coil voltage: 12 VDC Current: 40 A Operating Function: Single Side Stable Sealing Options: Sealed Coil Power: 1.9 W Coil Suppression: Resistor (680 Ohms)

CIT Relay and Switch

10320: ¥18.4958-40 AmpsResistor (680 Ohms)1.9 W5 ms1.6W: 90 ohm, 1.9W: 75.8 ohm8.4 VDC15.6 VDC630W75VDC40A0.6 VDC100Mohm min @ 500VDC1A: 40A @ 14VDC; 1B: 30A @ 14VDC; 1C: 40A @ 14VDC N.O. and 30A @ 14VDC N.C.; 1U: 2x20A @ 14VDC500V rms min. @ sea level31gQuick ConnectAgSnO226.0 x 26.0 x 24.5 (39.5) mm8N (Quick Connect), 4N (PCB Pins)1C SPDTRelaysSingle Side StableAutomotive Relay100K cycles, typical7 ms260C for 5s10M cycles, typical147m/s^2 for 11msSealed-40C to + 85C
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