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Switching Power Supplies

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BTD-CAT5-P1
L-com
Electrical, POE, Power Injector, Cat5, Din Mount
Quantity: 1
Ship Date: 7-12 working days
1+ $127.1088
10+ $111.722
25+ $106.1283
50+ $102.0843
100+ $98.1945
- +
x $127.1088
Ext. Price: $127.10
MOQ: 1
Mult: 1
SPQ: 1
PS4834GB-POE-2
L-com
PSPOE GB 2-PORT INJ 48VDC@34W
Quantity: 5
Ship Date: 7-12 working days
1+ $148.564
10+ $130.5772
25+ $124.0408
50+ $119.3144
- +
x $148.564
Ext. Price: $148.56
MOQ: 1
Mult: 1
SPQ: 1
BTD-CAT5-P1J
L-com
INJDIN DC PWR CAT5 5-48 VDC
Quantity: 7
Ship Date: 7-12 working days
1+ $148.564
10+ $130.5772
25+ $124.0408
50+ $119.3144
- +
x $148.564
Ext. Price: $148.56
MOQ: 1
Mult: 1
SPQ: 1
BT-CAT5-P1J-4848
L-com
INJDC PWR CAT5 48 VDC KIT
Quantity: 11
Ship Date: 7-12 working days
1+ $140.0152
10+ $123.0674
25+ $116.906
50+ $112.451
- +
x $140.0152
Ext. Price: $140.01
MOQ: 1
Mult: 1
SPQ: 1
BT-CAT6-P1-HP
L-com
60V 60V base mount 114.3mm*63.5mm*38.1mm
Quantity: 27
Ship Date: 7-12 working days
1+ $173.9504
10+ $152.8894
25+ $145.2356
50+ $139.7013
- +
x $173.9504
Ext. Price: $173.95
MOQ: 1
Mult: 1
SPQ: 1
PS4860GB-POE
L-com
PSPOE GIGABIT INJ 48VDC@60W
Quantity: 8
Ship Date: 7-12 working days
1+ $192.7744
10+ $169.4306
25+ $160.9496
50+ $154.8161
- +
x $192.7744
Ext. Price: $192.77
MOQ: 1
Mult: 1
SPQ: 1
BT-CAT5-P1J
L-com
Electrical, Power Over Ethernet
Quantity: 3
Ship Date: 7-12 working days
1+ $102.024
10+ $89.673
25+ $85.1839
50+ $81.9376
100+ $78.8157
- +
x $102.024
Ext. Price: $102.02
MOQ: 1
Mult: 1
SPQ: 1
BTD-CAT6-P4
L-com
INJDIN DC PWR CAT6 5-48 VDC
Quantity: 12
Ship Date: 7-12 working days
1+ $256.4432
10+ $225.3961
25+ $214.1131
50+ $205.9537
- +
x $256.4432
Ext. Price: $256.44
MOQ: 1
Mult: 1
SPQ: 1
PSW4824-POE
L-com
PSWALL MT 48VDC POE INJECTOR
Quantity: 4
Ship Date: 7-12 working days
1+ $57.8344
10+ $50.8321
25+ $48.2872
50+ $46.4474
100+ $44.6773
- +
x $57.8344
Ext. Price: $57.83
MOQ: 1
Mult: 1
SPQ: 1

Switching Power Supplies

A Switch Mode Power Supply (SMPS) is a type of electrical power supply unit that uses a switching regulator to convert electrical power efficiently. Here's a concise introduction in English:

Definition:
A Switch Mode Power Supply (SMPS) is an electronic circuit that regulates the voltage or current delivered to a load by rapidly switching a power electronic device on and off. This rapid switching is controlled by a feedback loop, which adjusts the duty cycle of the switch to maintain a stable output.

Function:
The primary function of an SMPS is to convert an input voltage (often from a power grid or battery) into a stable output voltage or current for a specific load. It achieves high efficiency by operating in a switching mode, which minimizes energy loss in the form of heat. The SMPS can step up (boost), step down (buck), or invert voltages, and it can also provide isolation between the input and output.

Applications:
SMPSs are widely used in various applications due to their efficiency, compact size, and ability to provide stable power. Some common applications include:
1. Computers and servers
2. Telecommunications equipment
3. Consumer electronics (e.g., TVs, smartphones)
4. Industrial control systems
5. Medical devices
6. Renewable energy systems (e.g., solar inverters)

Selection Criteria:
When selecting an SMPS, consider the following criteria:
1. Output Voltage and Current Requirements: Ensure the SMPS can provide the necessary voltage and current for the load.
2. Input Voltage Range: The SMPS should be compatible with the available input voltage.
3. Efficiency: Higher efficiency reduces energy waste and operating costs.
4. Size and Weight: For portable or space-constrained applications, a compact and lightweight design is preferable.
5. Regulation and Stability: The SMPS should maintain a stable output voltage under varying load conditions.
6. Protection Features: Look for built-in protection against overvoltage, overcurrent, and short circuits.
7. Certifications: Ensure the SMPS meets safety and regulatory standards for the intended application.
8. Cost: Consider the total cost of ownership, including initial purchase, energy consumption, and maintenance.

In summary, an SMPS is a versatile and efficient power supply solution that is essential for modern electronic devices and systems. When choosing an SMPS, it's important to consider the specific requirements of the application to ensure optimal performance and reliability.
Please refer to the product rule book for details.