Images are for reference only
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ManufacturerJiangsu Changjing Electronics Technology Co., Ltd.
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Mfr. Part #CJ78M05
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Datasheet CJ78M05 DataSheet
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In Stock28827
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Specifications
| Attribute | Value |
| Manufacturer | Jiangsu Changjing Electronics Technology Co., Ltd. |
| Package / Case | TO-252-2L |
| Operating Temperature | -40℃~+125℃ |
| Voltage - Supply | 35V |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Current - Output | 500mA |
| Voltage Dropout | 2V@(350mA) |
| Output Voltage | 5V |
| Output Configuration | Positive electrode |
Overview
Equivalent
- LM78M05 (Texas Instruments/STMicroelectronics)
- MC78M05 (ON Semiconductor)
- UA78M05 (Fairchild/TI)
- L78M05 (STMicroelectronics)
- KA78M05 (Fairchild/ON Semi)
These are all 5V, 500mA fixed-output regulators with similar pinouts and specifications. Always verify datasheets for exact compatibility.
Features
- Fixed 5V Output – Stable regulation with ±2% accuracy.
- 500mA Max Current – Suitable for moderate power applications.
- Low Dropout Voltage – ~0.5V (typical), improving efficiency.
- Thermal & Short-Circuit Protection – Enhances reliability.
- Wide Input Range – Up to 18V, accommodating various power sources.
- Low Quiescent Current – ~5mA (typical), reducing power waste.
- TO-252 (DPAK) Package – Compact and easy to mount.
Ideal for consumer electronics, industrial controls, and automotive systems requiring stable 5V power.
Pinout
Pin Functions:
1. Input (Pin 1): Connects to an unregulated DC voltage (7V–35V).
2. Ground (Pin 2): Common ground reference.
3. Output (Pin 3): Provides a stable +5V output (up to 500mA).
It is used for power supply stabilization in low-to-medium current applications.
Manufacturer
Application
1. Consumer Electronics – Powering microcontrollers, sensors, and small circuits.
2. Industrial Control – Providing stable voltage for PLCs and automation systems.
3. Embedded Systems – Used in IoT devices and low-power applications.
4. Automotive Electronics – Supporting infotainment and control modules.
5. Power Supplies – As a simple, fixed-voltage regulator in DC circuits.
It offers reliable 5V output with overcurrent and thermal protection, making it suitable for compact, low-power designs.