Page 1 of 5 Delta Part No﹒︰SDES053T type Part Name︰Sealed Choke Sealed Choke Coil SDES053T type Features Low profile:4.9mm x 4.9mm x 3.0 mm 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 Code L Dimensions (mm) L 4.9 0.2 W 4.9 0.2 T 3.0 max. T Note :This graph is in regard to outline dimensions spec. For outer appearance, please refer to actual product. Page 2 of 5 Marking The inductor is marked with a 3-digit code Example – – 4.7H 4R7 Upside of Chip 4R7 Recommend Land Pattern Dimensions The customer shall determine the land dimensions shown below after confirming and safety. B A C A 4.0 B 2.1 C 5.1 Unit : mm Page 3 of 5 Specifications Part Number SDES053T-1R0MS SDES053T-1R2MS SDES053T-1R5MS SDES053T-2R2MS SDES053T-3R3MS SDES053T-4R7MS SDES053T-6R8MS SDES053T-8R2MS SDES053T-100MS SDES053T-220MS SDES053T-330MS SDES053T-470MS SDES053T-560MS SDES053T-680MS L0 Inductance ( H ) @ (0A) Typical 1.0 1.2 1.5 2.2 3.3 4.7 6.8 8.2 10.0 22.0 33.0 47.0 56.0 68.0 15 17 20 23 28 41 58 72 85 180 255 334 444 529 Rdc ( m) Maximum 18 20 25 28 34 50 70 87 102 220 307 401 532.8 634.8 Heat Rating Current DC Amps. Idc ( A ) Saturation Current DC Amps. Isat ( A ) Typical Maximum Typical 7.65 6.30 6.25 6.00 5.50 4.80 3.70 3.20 3.05 1.80 1.50 1.20 0.90 0.85 6.9 5.67 5.63 5.40 4.90 4.30 3.30 2.88 2.75 1.60 1.35 1.08 0.80 0.77 8.45 7.50 6.95 5.80 5.00 4.00 3.50 3.10 2.70 1.80 1.60 1.20 1.15 1.10 Maximum 7.6 6.75 6.20 5.22 4.50 3.60 3.15 2.80 2.40 1.60 1.44 1.08 1.04 1.00 * :If you require another part number please contact with us. **:Inductance Tolerance 20% Note 1.: All test data is referenced to 25℃ ambient. Note 2.: Test Condition:100KHz, 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 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. Page 4 of 5 Current Characteristic 100 SDES053T-1R2MS 1.4 0.8 60 INDUCTANCE(μH ) 20 0.2 0.0 0 0 1 2 3 4 5 6 7 8 9 10 60 1.0 50 INDUCTANCE (μH) 0.8 20 0.2 10 0.0 11 0 0 1 2 3 4 100 TEMP. RISE(℃) 40 20 0.3 0.0 1.0 2.0 3.0 4.0 5.0 6.0 DC BIAS(Amps) 7.0 8.0 2.10 INDUCTANCE(μH) 45 1.40 TEMP. RISE(℃) 30 45 TEMP. RISE(℃) 0.90 30 0.45 15 0 0.8 1.6 2.4 80 60 2.7 INDUCTANCE(μH) 1.8 TEMP. RISE(℃) 40 20 0.9 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 10.0 80 8.0 80 6.0 60 6.0 60 INDUCTANCE(μH) TEMP. RISE(℃) 40 3.0 20 1.5 0.0 0 3.5 4.0 4.5 INDUCTANCE(μH) 100 TEMP. RISE(℃) INDUCTANCE(μH) 7.5 2.0 2.5 3.0 DC BIAS(Amps) 100 DC BIAS(Amps) SDES053T-6R8MS 1.5 8.0 3.6 DC BIAS(Amps) 1.0 7.2 0.0 0 0.5 6.4 4.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 0.0 3.2 4.0 4.8 5.6 DC BIAS(Amps) SDES053T-4R7MS 5.4 15 0.00 60 1.35 INDUCTANCE(μH) 60 0.70 75 0.0 2.80 90 INDUCTANCE(μH) 75 4.5 9 1.80 90 3.50 9.0 8 2.25 9.0 SDES053T-3R3MS 4.20 7 0.00 0 0.0 INDUCTANCE(μH) TEMP . RISE(℃) 60 1.2 INDUCTANCE(μH) 80 1.5 0.6 6 SDES053T-2R2MS 2.70 TEMP . RISE(℃) INDUCTANCE(μH) 1.8 INDUCTANCE(μH) 5 DC BIAS(Amps) SDES053T-1R5MS 0.9 30 0.4 DC BIAS(Amps) 2.1 40 TEMP. RISE (℃) 0.6 TEMP. RISE(℃) 0.4 40 70 1.2 TEMP. RISE(℃) 0.6 INDUCTANCE(μH) 80 TEMP . RISE(℃) INDUCTANCE(μH) 1.0 TEMP. RISE(℃) SDES053T-1R0MS 100 SDES053T-8R2MS 4.0 40 INDUCTANCE(μH) TEMP. RISE(℃) 2.0 20 0.0 0 0.0 0.6 1.2 1.8 2.4 DC BIAS(Amps) 3.0 3.6 4.2 TEMP. RISE(℃) 1.2 Page 5 of 5 75 8.0 60 6.0 45 INDUCTANCE(μH ) 30 2.0 15 0.0 32.0 80 24.0 60 INDUCTANCE(μH) 16.0 8.0 20 0.0 0 0 0.0 0.3 0.6 0.9 SDES053T-470MS 70 1.5 1.8 2.1 2.4 SDES053T-560MS 75 70 40 TEMP. RISE(℃) 50 40 30 INDUCTANCE (μH) 30 TEMP. RISE (℃) 20 20 10 10 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 70 SDES053T-680MS 50 60 30 TEMP. RISE (℃) 40 30 20 15 10 0 0 0.0 0.2 0.4 0.6 0.8 DC BIAS(Amps) 1.0 1.2 TEMP . RISE(℃) 60 INDUCTANCE (μH) 30 INDUCTANCE (μH) 40 TEMP. RISE (℃) 30 20 15 10 0 0.2 0.4 0.6 0.8 1.0 DC BIAS(Amps) 75 45 50 45 0.0 1.6 DC BIAS(Amps) 90 60 60 0 0 0.0 INDUCTANCE(μH) 60 50 INDUCTANCE(μH) 1.2 DC BIAS(Amps) DC BIAS(Amps) INDUCTANCE(μH) 40 TEMP. RISE(℃) 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 60 100 1.2 1.4 TEMP . RISE(℃) 4.0 INDUCTANCE(μH) 10.0 SDES053T-330MS 40.0 TEMP. RISE(℃) 90 SDES053T-100MS TEMP . RISE(℃) INDUCTANCE(μH) 12.0