SDET32251E-4R7MS

CYNTEC CO., LTD. 乾坤科技股份有限公司 DOCUMENT : SDET32251E-000 REVISION : A4 PAGE : 1 OF 3 Sealed Choke Coil SDET32251E type
Features ： Low profile 3.2mm x 2.5mm x 1.5mm Low coil resistance with large currents. High magnetic shield construction should actualize high resolution for EMC protection. 100% lead (Pb) free meet RoHS standard
Application Cellular phones, LCD displays, HDDs, DVCs, DSCs, PDAs etc..
Outline Dimensions W L Code L Dimensions (mm) 2.5 ± 0.2 W 3.2 ± 0.2 T 1.5 Max. T Note: This graph is in regard to outline dimensions spec. For outer appearance, please refer to actual product.
Recommend Land Pattern Dimensions The customer shall determine the land dimensions shown below after confirming and safety. B A C A 2.6 B 1.3 C 3.3 Unit : mm Aug., 2018 CYNTEC CO., LTD. 乾坤科技股份有限公司
DOCUMENT : SDET32251E-000 REVISION : A4 PAGE : 2 OF 3 Specifications L0 Inductance ( µH ) @ (0A) Typical SDET32251E-1R5MS 1.5 SDET32251E-3R3MS Heat Rating Current DC Amps. Idc ( A ) Saturation Current DC Amps. Isat ( A ) Maximum Typical Maximum Typical Maximum 45 54 2.50 2.20 2.60 2.30 3.3 85 102 2.10 1.80 1.40 1.20 SDET32251E-4R7MS 4.7 90 108 1.90 1.70 1.30 1.17 SDET32251E-150MS 15.0 580 700 0.70 0.63 1.00 0.90 SDET32251E-220MS 22.0 880 1,012 0.60 0.54 0.90 0.81 Part Number Rdc ( mΩ) ： **：Inductance Tolerance ± 20% Note 1.： All test data is referenced to 25℃ ambient. Note 2.： Test Condition:1MHz, 1.0Vrms Note 3.： Idc : DC current (A) that will cause an approximate △T of 40℃ Note 4.： Isat : DC current (A) that will cause L0 to drop approximately 30% Note 5.： Operating Temperature Range -55℃ to + 125℃ Note 6.： The part temperature (ambient + temp rise) should not exceed 125 ℃ under the worst case operating * If you require another part number please contact with us. conditions. Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provision all affect the part temperature. Part temperature should be verified in the end application. Note 7. ： The rated current as listed is either the saturation current or the heating current depending on which value is lower. Aug., 2018 CYNTEC CO., LTD. 乾坤科技股份有限公司 4.20 1.50 75 3.50 1.20 60 INDUCTANCE(µH) 0.90 TEMP. RISE( ℃) 45 ℃ INDUCTANCE(µH) 90 TEMP. RISE( ) INDUCTANCE(µH) : A4 PAGE : 3 OF 3 2.10 INDUCTANCE(µH) 1.40 TEMP. RISE( 0.30 15 0.70 0 0.00 18.0 5.00 75 15.0 4.00 60 45 2.00 TEMP. RISE( 30 ℃) 1.00 0.00 TEMP. RISE( ) INDUCTANCE(µH) ℃ SDET32251E-220MS 40 0.6 0.9 1.2 1.5 1.8 2.1 DC BIAS(Amps) 2.4 2.7 3.0 90 SDET32251E-150MS 75 12.0 9.0 ℃ 0 0.3 60 INDUCTANCE(µH) TEMP. RISE( ℃) 45 6.0 30 15 3.0 15 0 0.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 DC BIAS(Amps) 27.0 INDUCTANCE(µH) 90 ℃) 20 0.0 0.0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 3.3 3.6 3.9 DC BIAS(Amps) 3.00 80 60 30 SDET32251E-4R7MS 100 2.80 0.60 6.00 SDET32251E-3R3MS TEMP. RISE( ) SDET32251E-1R5MS 0.00 INDUCTANCE(µH) REVISION Current Characteristic 1.80 ℃ 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 DC BIAS(Amps) 80 70 60 18.0 50 INDUCTANCE(µH) 13.5 TEMP. RISE( ℃) 40 30 9.0 20 4.5 ℃ TEMP. RISE( ) 22.5 INDUCTANCE(µH) : SDET32251E-000 TEMP. RISE( )
DOCUMENT 10 0.0 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 DC BIAS(Amps) 0.9 1.0 1.1 Aug., 2018