50pcs LM393A-SR LM393-SR SOIC-8 Dual Differential Comparators
50pcs LM393A-SR LM393-SR SOIC-8 Dual Differential Comparators
50-Pack LM393A-SR / LM393-SR SOIC-8 Dual Differential Comparators
Stock up your electronics workbench or production line with this value pack of 50 LM393A-SR / LM393-SR Dual Differential Comparators in the compact SOIC-8 surface-mount package. These industry-standard ICs are engineered for broad-voltage operation up to 36V, ultra-low power consumption, and rock-solid performance across a wide range of general-purpose analog and digital circuit applications.
Key Features
- Quantity: 50 pieces per pack — ideal for prototyping, repair, and production runs
- Models Included: LM393A-SR & LM393-SR (compatible, interchangeable in most designs)
- Package: SOIC-8 (Small Outline Integrated Circuit, 8-pin) — industry-standard footprint for easy PCB integration
- Supply Voltage: Up to 36V (single supply) or ±18V (dual supply)
- Dual Differential Inputs: Two independent comparator channels per IC
- Low Power Consumption: Designed for energy-efficient operation in always-on circuits
- Open-Collector Output: Compatible with a wide range of logic families and voltage levels
- General Purpose Use: Suitable for voltage monitoring, level shifting, zero-crossing detection, oscillators, and more
- Made in Mainland China
Specifications
| Model Number | LM393A-SR / LM393-SR |
| Package Type | SOIC-8 |
| Max Supply Voltage | 36V (single) / ±18V (dual) |
| Channels | 2 (Dual Differential) |
| Output Type | Open-Collector |
| Use Case | General Purpose |
| High-Concern Chemicals | None |
| Quantity | 50 pcs |
Common Applications
- Voltage level detection and monitoring circuits
- Zero-crossing detectors
- Analog-to-digital signal conversion interfaces
- Pulse width modulation (PWM) circuits
- Oscillator and timer circuits
- Relay driver and switching circuits
- Battery charge monitoring systems
Why Choose This Pack?
Whether you're an electronics hobbyist, an embedded systems engineer, or a production buyer, having a reliable supply of LM393 comparators on hand is essential. This 50-piece lot ensures you're never short when a prototype demands rapid iteration or a production batch needs replenishment. The SOIC-8 footprint is universally supported by modern PCB design tools and EMS manufacturers worldwide.
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Frequently Asked Questions
Q: What is the difference between the LM393A-SR and LM393-SR in this pack?
A: The LM393A-SR is a higher-grade version of the LM393-SR with tighter input offset voltage specifications, making it suitable for more precision-sensitive designs. Both share the same SOIC-8 pinout and are functionally interchangeable in the vast majority of general-purpose applications.
Q: Are these LM393A-SR / LM393-SR ICs compatible with standard PCB layouts?
A: Yes. The SOIC-8 package is one of the most widely used surface-mount footprints in the electronics industry. These ICs are fully compatible with standard SOIC-8 PCB land patterns and are supported by all major EDA/PCB design software libraries.
Q: What supply voltage range do these dual differential comparators support?
A: These LM393-SR comparators support a single supply voltage of up to 36V or a dual supply of ±18V, making them extremely versatile for a broad range of circuit designs including automotive, industrial, and consumer electronics applications.
Q: How are the 50 pieces packaged for shipping?
A: The 50-piece lot is packaged securely to prevent static damage during transit. Standard anti-static packaging practices are used to ensure the ICs arrive in perfect working condition.