Overview The CPC1343G is an OptoMOS® solid-state relay delivering fast, bounce-free switching in a compact 4-pin package. It provides a low on-resistance path for DC loads, high isolation, and low LED drive current suitable for direct microcontroller or logic interfacing.
Specifications Blocking Voltage (V_P): 60 V
Load Current (mA): 900 mA continuous
On-Resistance (Ω): 0.8 Ω
Isolation Voltage (V_RMS): 5000 V RMS
Input Control Current (mA): 3 mA (I_F max)
Off-State Leakage (µA): 1 µA
Switching Speeds t_on / t_off (ms): 4 / 1
Output Capacitance (pF): 20 pF
IC Package Type: 4-pin DIP, SMT (SOP)
Features - 60 V blocking voltage with 900 mA continuous load capability
- Operating ambient temperature −40 °C to +105 °C
- Input/output galvanic isolation 5000 V RMS
- Fast switching: t_on = 4 ms, t_off = 1 ms
- Low LED control current (I_F max = 3 mA) for direct logic drive
Benefits - Condenses functionality into small 4-pin packages or dual-pole 8-pin variants
- Reduces board space compared to larger relays
- Improved reliability due to no moving parts and solid‑state construction
- Compatible with TTL/CMOS and microcontroller outputs without additional drivers
- High isolation level suitable for mixed-signal designs
Applications / Highlights - Instrumentation and measurement systems
- Automatic test equipment (ATE)
- Medical devices and equipment
- Industrial control and automation
- Utility metering and data acquisition
Support / Product Capabilities With no mechanical contacts, the CPC1343G provides silent, maintenance-free operation and higher switching endurance at elevated temperatures. Its low on-resistance (0.8 Ω) and 900 mA continuous current capability improve efficiency in DC switching applications. The device's 3 mA LED drive requirement enables direct interfacing to common logic families and microcontrollers.
Technical specifications - Model: CPC1343G
- Blocking Voltage (V_P): 60 V
- Continuous Load Current: 900 mA
- On-Resistance: 0.8 Ω
- Isolation Voltage: 5000 V RMS
- Input Control Current (I_F max): 3 mA
- Off-State Leakage: 1 µA
- Switching Speeds: t_on = 4 ms, t_off = 1 ms
- Output Capacitance: 20 pF
- Operating Ambient Temperature: −40 °C to +105 °C
- IC Package Types: 4-pin DIP and SMT (SOP)