Switch Mode Power Supply (SMPS) Transformers

Switch mode power supply (SMPS) transformers are a highly efficient form of transformer, used in devices like personal computers.

A switch mode power supply is an electronic power supply that incorporates a switching regulator to efficiently convert electrical power. Like other power supplies, an SMPS transfers power from a DC or AC source (which is often mains power) to DC loads, such as a personal computer, while converting voltage and current characteristics.

How do switch mode power supply (SMPS) transformers work?

Any switched-mode power supply that gets its power from an AC power line (also known as an 'off-line' converter) requires a transformer for galvanic isolation, which prevents current flow. Some DC-to-DC converters may also include a transformer.

SMPS transformers run at high frequency. Most of the cost savings (as well as space savings) in off-line power supplies result from the smaller size of the high-frequency transformer.

Types of switch mode power supply (SMPS) transformers

SMPS transformers have many different applications. They can be used as broadband transformers, DC-to-DC converters, low-power DC-to-DC converters, pulse transformers and power sourcing equipment, among other uses.


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Description Price Secondary Voltage Rating Primary Voltage Rating Power Rating Number of Outputs Mounting Type Application Inductance Secondary Current Termination Type Length Width Depth Dimensions Isolation Voltage
RS庫存編號 715-6949
製造零件編號78601/4C
HK$12.76
單位
- - - 1 Through Hole Filtering 100µH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS庫存編號 106-8829
製造零件編號78601/4C
HK$12.198
毎管:50 個
單位
- - - 1 Through Hole Filtering 100µH - Pin 9.52mm - - 9.52 x 9 x 6.35mm 1kV
RS庫存編號 170-9241
製造零件編號78601/8C
HK$12.198
個 (在毎卷:50)
單位
- - - 1 Through Hole Filtering 1mH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS庫存編號 715-6958
製造零件編號78601/3C
HK$12.76
單位
- - - 1 Through Hole Filtering 200µH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS庫存編號 715-6955
製造零件編號78601/8C
HK$13.43
單位
- - - 1 Through Hole Filtering 1mH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS庫存編號 106-8830
製造零件編號78601/3C
HK$12.84
毎管:50 個
單位
- - - 1 Through Hole Filtering 200µH - Pin 9.52mm - - 9.52 x 9 x 6.35mm 1kV
RS庫存編號 715-6986
製造零件編號78602/2C
HK$13.43
單位
- - - 2 Through Hole Filtering 500µH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS庫存編號 715-6964
製造零件編號78601/1C
HK$13.43
單位
- - - 1 Through Hole Filtering 2mH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS庫存編號 106-8855
製造零件編號78601/1C
HK$12.198
毎管:50 個
單位
- - - 1 Through Hole Filtering 2mH - Pin 9.52mm - - 9.52 x 9 x 6.35mm 1kV
RS庫存編號 106-8582
製造零件編號78602/2C
HK$12.84
毎管:50 個
單位
- - - 2 Through Hole Filtering 500µH - Pin 9.52mm - - 9.52 x 9 x 6.35mm 1kV
RS庫存編號 715-6942
製造零件編號77208C
HK$52.60
單位
- - - - Through Hole TRIAC Firing - - Pin 25.4mm 20.3mm 12.3mm 25.4 x 20.3 x 12.3mm -
RS庫存編號 715-6933
製造零件編號77205C
HK$61.25
單位
- - - - Through Hole TRIAC Firing - - Pin 25.4mm 20.3mm 12.3mm 25.4 x 20.3 x 12.3mm -
RS庫存編號 715-6973
製造零件編號78602/4C
HK$12.76
單位
- - - 2 Through Hole Filtering 100µH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS庫存編號 715-6936
製造零件編號77202C
HK$56.50
單位
- - - - Through Hole TRIAC Firing - - Pin 25.4mm 20.3mm 12.3mm 25.4 x 20.3 x 12.3mm -
RS庫存編號 715-6961
製造零件編號78601/9C
HK$11.61
單位
- - - 2 Through Hole Filtering 10mH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS庫存編號 715-6983
製造零件編號78602/1C
HK$13.43
單位
- - - 2 Through Hole Filtering 2mH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS庫存編號 170-9240
製造零件編號78601/2C
HK$12.84
個 (在毎卷:50)
單位
- - - 1 Through Hole Filtering 500µH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS庫存編號 106-8858
製造零件編號78601/16C
HK$12.198
毎管:50 個
單位
- - - 1 Through Hole Filtering 4mH - Pin 9.52mm - - 9.52 x 9 x 6.35mm 1kV
RS庫存編號 715-7002
製造零件編號78615/2C
HK$13.43
單位
- - - 2 Through Hole Filtering 500µH - Pin 9.52mm 9mm 6.35mm 9.52 x 9 x 6.35mm 1kV
RS庫存編號 106-8800
製造零件編號78615/1C
HK$12.198
毎管:50 個
單位
- - - 2 Through Hole Filtering 2mH - Pin 9.52mm - - 9.52 x 9 x 6.35mm 1kV