ASSR-301C-003E Overview
The ASSR-301C-003E is a high-performance solid state relay designed for industrial automation and control applications. Featuring an input LED to output photodiode isolation, it provides reliable electrical isolation with a minimum isolation voltage of 3750 Vrms. This device supports a continuous load current of up to 60 mA and offers a low output on-state resistance, ensuring efficient switching and minimal power loss. With a wide ambient temperature range and compact 4-pin SOP package, it delivers robust, space-saving integration suitable for demanding environments. For more details, visit IC Manufacturer.
ASSR-301C-003E Technical Specifications
| Parameter | Specification |
|---|---|
| Input Forward Current (IF) | 10 mA (typical) |
| Output Load Current (IO) | 60 mA (max) |
| Isolation Voltage (Viso) | 3750 Vrms (min) |
| Output On-State Resistance (Ron) | 40 ?? (max) |
| Output Voltage (VO) | 60 V (max) |
| Operating Temperature Range (Ta) | -40 ??C to +100 ??C |
| Package Type | 4-pin SOP (Surface Mount) |
| Input-Output Capacitance (Cio) | 0.6 pF (typical) |
ASSR-301C-003E Key Features
- High isolation voltage: Provides 3750 Vrms isolation, ensuring safe separation between input and output circuits to prevent electrical noise and protect sensitive components.
- Low on-state resistance: Minimizes power loss during conduction, enhancing energy efficiency and reducing thermal stress on the device.
- Compact surface-mount package: The 4-pin SOP form factor enables easy PCB integration, saving board space and supporting automated assembly lines.
- Wide temperature range: Operates reliably from -40 ??C to +100 ??C, suitable for harsh industrial environments and extended operating conditions.
- Low input current requirement: Requires only 10 mA typical forward current for activation, reducing power consumption in control circuits.
ASSR-301C-003E Advantages vs Typical Alternatives
This solid state relay stands out due to its superior isolation voltage and low output resistance, which improve both safety and efficiency compared to typical mechanical relays or optocouplers. Its compact SOP package supports modern high-density PCB layouts, while its wide operating temperature range enhances reliability under industrial stresses. Additionally, the low input drive current requirement reduces control circuit power demands, making it a robust and energy-efficient choice.
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Typical Applications
- Industrial automation control systems: Enables safe and reliable switching of DC loads in programmable logic controllers (PLCs) and motor drives.
- Signal isolation for sensitive measurement equipment, preventing interference and protecting instrumentation from high voltages.
- Power supply monitoring and control, facilitating isolation between low-voltage control circuits and high-voltage power lines.
- Embedded systems requiring compact, low-power solid state relays for switching and isolation tasks.
ASSR-301C-003E Brand Info
This product is part of the ASSR series, a line of solid state relays known for their high reliability and performance in industrial electronic applications. Designed and produced by a leading semiconductor manufacturer, this device reflects stringent quality standards and innovative design. The ASSR-301C-003E combines compactness with industrial-grade electrical isolation, making it an ideal component for engineers seeking durable and efficient relay solutions.
FAQ
What type of isolation does this device provide?
The device offers galvanic isolation between the input and output through an LED-photodiode structure. This isolation is rated at a minimum of 3750 Vrms, ensuring effective protection against high voltage surges and electrical noise in industrial environments.
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Can this relay switch AC loads?
This specific model is designed primarily for DC load switching, as indicated by its maximum output voltage and continuous load current ratings. For AC load applications, alternative solid state relays with appropriate specifications should be considered.
What package does this device use and how does it benefit assembly?
It comes in a 4-pin SOP surface-mount package, which is well-suited for automated PCB assembly processes. This compact form factor reduces board space and simplifies mounting, enhancing manufacturing efficiency.
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What is the typical input current needed to activate the relay?
The typical forward current required to activate the input LED is 10 mA. This low current demand helps minimize power consumption in the control circuitry, which is beneficial for energy-sensitive or battery-powered applications.
How does the device perform in harsh temperature conditions?
The relay operates reliably within a temperature range from -40 ??C up to +100 ??C, making it suitable for use in harsh industrial environments where temperature fluctuations are common. This robustness ensures consistent performance over the product??s lifespan.