HSMTBL Common Mode Chip Beads

HSMTBL common mode chip beads, also known as common mode choke, is often used to filter common mode electromagnetic interference signals in computer switching power supply.
Product Description

1.  Product Introduction of HSMTBL Common Mode Chip Beads


HSMTBL common mode chip beads :The full name Surface Mounted Devices is essentially a two-way filter: on the one hand, to filter out common-mode electromagnetic interference on the signal line, on the other hand, to suppress itself from emitting electromagnetic interference, so as to avoid affecting the normal operation of other electronic devices in the same electromagnetic environment.


Our high-quality SMD common mode inductance solves low-mode noise signal suppression interference sources for customers, improves productivity and quality reliability in installation, and is favored by Chinese and European customers.


2. Product Parameter (Specification) of HSMTBL Common Mode Chip Beads


1. Five-ring pattern and size (SHAPE AND SIZE) (unit mm)



2. Five ring number representation

HSMTBL 3215 – 1.5T  :   1.5T

1. Product type (HSMTBL)

2. Dimensions: Core Length (L) × Width (W) × Thickness (T), CORE size. 3X2X1.5mm


3.Turns: the number of turns of the first hole

4.Turns: the number of turns of the second hole
Note: The number of laps can be made according to customer requirements

TEST:INSERTION LOSS(HP-8714C)-----50MHZ: 0.9dB±0.5dB,   100MHZ : 2.6dB±1.0dB,  300MHZ: 5.4dB±2.0dB,500MHZ: 7.0dB±2.0dB


3. Product Feature And Application of HSMTBL Common Mode Chip Beads


HSMTBL common mode chip beads is linefilters suppressing conductive noise ranging from low to high frequencies generated at power supply circuits of various electronic equipment;


Application : Suppresses noise in DC circuits for switching regulators; Protects primary AC side form affected by a switching regulator; Filters noise emitting form Ultrasonic equipment; Filters electrostatic noise form Power and signal lines;


Eliminates contact noise; Filters incoming spike noise for IC and equipment using microcomputers; Minimizes noise emissions for conforming to FCC, VCCI, FTZ, CISPR, JTTC and VDE; Applied Equipment: TV,VCR,Switching Power sources, NC machines, Computer systems, peripheral units and Measuring instruments.


4. Product Details of HSMTBL Common Mode Chip Beads


HSMTBL common mode chip beads Characteristics: Inductance range: Up to 30MH; Current up to 15 Amps; Many style available; High levels of safety and reliability; Easy PC Board Mounting; Available as verticallyor horizontally mounted; Rated current :Base on temperature rise not to exceed at 40℃.




5. Product Qualification of HSMTBL Common Mode Chip Beads


HSMTBL common mode chip beads Insulation: AC 2000V 1 minute between line and line; Insulation Resistance: 100mΩ min when DC 500V between line and line.;The product has stable quality, high power, low temperature rise, small size and short height compared with plug-in in the following figure. The quality of SMD common Mode inductance  products can be guaranteed for more than 5 years, which is trustworthy.




6. Deliver, Shipping And Serving of HSMTBL Common Mode Chip Beads


Our HSMTBL  Common Mode Chip Beads generally have a domestic delivery date of 10 working days; The foreign delivery period is 20 working days. Our products are packed in three-level packaging. The packaging is firm and reliable, which can effectively protect the products from falling.


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