- FEATURES:
- Rated voltage (V): 85 to 265V AC, 50/60Hz
- Turns ratio: n1: n2=1:1
- Insulation resistance: 100MΩ min at 500DC
- Temperature rise: 50°C max
- Replacement for:EE16,EE19,EE25,EF16,EF20,EF25,UU10.5, UU16,toroidal common mode inductors
- High current, small profile, high efficiency with High frequency skin effect of flat wire, unit current density can reach 1.5-2 times of round copper wire, and the volume will be 0.5-1.0 times smaller under the same condition
- Lower temperature coefficient, only around once layer winding, perfect efficiency of heat sink , the temperature raise is much lower than the toroidal inductor
- Interturn capacitance is smaller than toroidal core, high insulation strength and high reliability
- The closed magnetic core design
- Use the flat wire, improving the space factor
- Single phase winding, thereby dramatically reduce stray capacitance
- EMI suppression is excellent
- Fully automatic winding, neat line arrangement, no overlapping, high production efficiency, low labor
- Low magnetic flux leakage
- Easy to mount on PCB circuits
- High common mode impedance at high frequencies
- Recommended Soldering Profile: Wave Soldering
- Operating temperature: -40 ºC to +85 ºC
- APPLICATION:
- Personal Computer
- Switching power supply, Adapter and UPS
- Computer products
- DVD
- LED power supply
- LCD TV & Monitor Displays Power Boards
- Consumer Electric Products & Battery Charger, Printers
- CAN Bus
- Noise Filters
- Power Trains
- USB Data Line Filtering
- Input Filters of DC-DC Converters
- Suppression of common mode noise
Specification | Inductance MIN 1KHZ 0.25V | Dimensions (mm MAX) | Current(A) | Power(W) | ||||||||
W | D | H | L | E | 1#Base | 2#Base | MAX | MAX | ||||
PIN 1 | PIN 2 | PIN 1 | PIN 2 | |||||||||
SQ1515V15 | >15mH | 16 | 22 | 22 | 3.5 | 0.8 | 12.8 | 10 | 8 | 7 | 1.5 | 60 |
SQ1515V20 | >20mH | 16 | 22 | 22 | 3.5 | 0.8 | 12.8 | 10 | 8 | 7 | 1.2 | 60 |
SQ1515V25 | >25mH | 16 | 22 | 22 | 3.5 | 0.8 | 12.8 | 10 | 8 | 7 | 1.2 | 60 |
SQ1515H15 | >15mH | 18 | 22 | 14 | 3.5 | 0.8 | 16.8 | 12.8 | - | - | 1.5 | 60 |
SQ1515H20 | >20mH | 18 | 22 | 14 | 3.5 | 0.8 | 16.8 | 12.8 | - | - | 1.2 | 60 |
SQ1515H25 | >25mH | 18 | 22 | 14 | 3.5 | 0.8 | 16.8 | 12.8 | - | - | 1.2 | 60 |
SQ1615V15 | >15mH | 16 | 22 | 23 | 3.5 | 0.8 | 12.8 | 10 | 8 | 7 | 1.5 | 65 |
SQ1615V20 | >20mH | 16 | 22 | 23 | 3.5 | 0.8 | 12.8 | 10 | 8 | 7 | 1.2 | 65 |
SQ1615V25 | >25mH | 16 | 22 | 23 | 3.5 | 0.8 | 12.8 | 10 | 8 | 7 | 1.2 | 65 |
SQ1615H15 | >15mH | 18 | 22 | 14 | 3.5 | 0.8 | 16.8 | 12.8 | - | - | 1.5 | 65 |
SQ1615H20 | >20mH | 18 | 22 | 14 | 3.5 | 0.8 | 16.8 | 12.8 | - | - | 1.2 | 65 |
SQ1615H25 | >25mH | 18 | 22 | 14 | 3.5 | 0.8 | 16.8 | 12.8 | - | - | 1.2 | 65 |
SQ1918V12 | >12mH | 15 | 25 | 26 | 4 | 0.8 | 12.8 | 10 | 10 | 10 | 2.0 | 180 |
SQ1918V20 | >20mH | 15 | 25 | 26 | 4 | 0.8 | 12.8 | 10 | 10 | 10 | 1.5 | 180 |
SQ1918V30 | >30mH | 15 | 25 | 26 | 4 | 0.8 | 12.8 | 10 | 10 | 10 | 1.2 | 180 |
SQ1918H12 | >12mH | 22 | 24 | 13 | 4 | 0.8 | 16.8 | 15 | - | - | 2.0 | 180 |
SQ1918H20 | >20mH | 22 | 24 | 13 | 4 | 0.8 | 16.8 | 15 | - | - | 1.5 | 180 |
SQ1918H30 | >30mH | 22 | 24 | 13 | 4 | 0.8 | 16.8 | 15 | - | - | 1.2 | 180 |
SQ2418V12 | >12mH | 15 | 24 | 32 | 4 | 0.8 | 12.5 | 10 | - | - | 2.5 | 250 |
SQ2418V20 | >20mH | 15 | 24 | 32 | 4 | 0.8 | 12.5 | 10 | - | - | 1.8 | 250 |
SQ2418V30 | >30mH | 15 | 24 | 32 | 4 | 0.8 | 12.5 | 10 | - | - | 1.5 | 250 |
SQ2418H12 | >12mH | 22 | 26 | 15 | 4 | 0.8 | 16.8 | 15 | - | - | 2.5 | 250 |
SQ2418H20 | >20mH | 22 | 26 | 15 | 4 | 0.8 | 16.8 | 15 | - | - | 1.8 | 250 |
SQ2418H30 | >30mH | 22 | 26 | 15 | 4 | 0.8 | 16.8 | 15 | - | - | 1.5 | 250 |
SQ2724V07 | >7mH | 18 | 30 | 38 | 4 | 0.8 | 4 PINS | - | - | 3.5 | 280 | |
SQ2724V15 | >15mH | 18 | 30 | 38 | 4 | 0.8 | 4 PINS | - | - | 2.5 | 280 | |
SQ2724V20 | >20mH | 18 | 30 | 38 | 4 | 0.8 | 4 PINS | - | - | 1.8 | 280 | |
SQ2724H07 | >7mH | 25 | 31 | 18 | 4 | 0.8 | 16.8 | 16.8 | - | - | 3.5 | 280 |
SQ2724H15 | >15mH | 25 | 31 | 18 | 4 | 0.8 | 16.8 | 16.8 | - | - | 2.5 | 280 |
SQ2724H20 | >20mH | 25 | 31 | 18 | 4 | 0.8 | 16.8 | 16.8 | - | - | 1.8 | 280 |
SQ2820V07 | >7mH | 16 | 30 | 38 | 4 | 0.8 | 4 PINS | - | - | 2.0 | 300 | |
SQ2820V20 | >20mH | 16 | 30 | 38 | 4 | 0.8 | 4 PINS | - | - | 2.5 | 300 | |
SQ2820V30 | >30mH | 16 | 30 | 38 | 4 | 0.8 | 4 PINS | - | - | 5.0 | 300 | |
SQ2820H07 | >7mH | 28 | 35 | 18 | 4 | 0.8 | 16.8 | 16.8 | - | - | 2.0 | 300 |
SQ2820H20 | >20mH | 28 | 35 | 18 | 4 | 0.8 | 16.8 | 16.8 | - | - | 2.5 | 300 |
SQ2820H30 | >30mH | 28 | 35 | 18 | 4 | 0.8 | 16.8 | 16.8 | - | - | 5.0 | 300 |
SQ3126V081 | >8mH | 22 | 34 | 38 | 4 | 0.9 | 18 | 16 | - | - | 8.0 | 400 |
SQ3126V082 | >8mH | 22 | 34 | 38 | 4 | 0.9 | 18 | 16 | - | - | 5.0 | 400 |
SQ3126V10 | >10mH | 22 | 34 | 38 | 4 | 0.9 | 18 | 16 | - | - | 3.5 | 400 |
SQ3126V25 | >25mH | 22 | 34 | 38 | 4 | 0.9 | 18 | 16 | - | - | 3 | 400 |
SQ3126H081 | >8mH | 28 | 35 | 18 | 4 | 1.0 | 20 | 16.8 | - | - | 8.0 | 400 |
SQ3126H082 | >8mH | 28 | 35 | 18 | 4 | 1.0 | 20 | 16.8 | - | - | 5.0 | 400 |
SQ3126H10 | >10mH | 28 | 35 | 18 | 4 | 1.0 | 20 | 16.8 | - | - | 3.5 | 400 |
SQ3126H25 | >25mH | 28 | 35 | 18 | 4 | 1.0 | 20 | 16.8 | - | - | 3 | 400 |
SQ4391V12 | >12mH | - | - | - | - | - | - | - | - | - | 7 | 600 |
SQ4391H12 | >12mH | 28 | 45 | 16 | 4 | 1.0 | 39 | 21 | - | - | 7 | 600 |




DeChuang industry co.,ltd,we specilized in magnetic components,Have great advantages in quality, cost and lead time control.
Mean while,we are also confident with our 15 years international trade to support customers professionally.
The main products are: Common mode choke, Rod core choke, Air core choke, SMD power inductor, etc,our R&D capability is
strong for designning together with customer for the new product.Have great advantages in quality, cost and lead time control.

Q1. How long is your delivery time?
A: Generally it takes 3-5 days for samples and 15-20 days after your order for massive production.
Q2: Can I get some samples?
A: Yes, 3-5 pcs free samples are available for your test. Small batches are also acceptable.
Q3: Is it OEM available?
A: Yes. We have rich experience and good ability to put your design and idea into real product, we can laser print your brand on
the products.
Q4: How about the lead time ?
A: We have a very professional team with high quality, usually we can ship within 30 days. But for details, please check exactly with us.
More questions, please contact us directly. We are always here waiting to serve you!