SE03S/D Sries 3W DC/DC CONVERTER, SMD-Package, 2:1 Wide Input Range FEATURES  Efficiency up to 83%  SMD Package with Industry Standard Pinout  Isolation Voltage 1500VDC  2:1 Wide Input Range  Low ripple and noise  Short Circuit Protection  Temperature Performance -40℃ to +71℃  CSA60950-1 Safety Approval  > 1MHours MTBF  Lead free, RoHs Compliant  3 Years Product Warranty The SE03S/D series are miniature, SMD Package, isolated 3W DC/DC converters with 1,500VDC isolation. The SE03S/D series features fully regulated output and ultra wide 2:1 input voltage ranges. It offers short circuit protection and allows a wide operating temperature range of –40°C to +71°C. These isolated DC/DC converters are the latest offering from a world leader in power systems technology and manufacturing ― Delta Electronics, Inc. Model List Model Input Output Output Current Input Current Reflected Max. capacitive Efficiency Number Voltage Voltage Ripple Load (typ.) (Range) Max. Min. @Max. Load @No Load Current @Max. Load VDC VDC mA mA mA(typ.) mA(typ.) mA(typ.) uF % SE03S1203A 3.3 700 70 257 75 SE03S1205A 5 600 60 316 79 4700 SE03S1212A 12 250 25 305 82 12 SE03S1215A 15 200 20 305 20 25 82 (9 ~ 18) SE03D1205A ±5 ±300 ±30 321 78 SE03D1212A ±12 ±125 ±12.5 309 180* 81 SE03D1215A ±15 ±100 ±10 309 81 SE03S2403A 3.3 700 70 127 76 SE03S2405A 5 600 60 156 80 4700 SE03S2412A 12 250 25 151 83 24 SE03S2415A 15 200 20 151 5 15 83 (18 ~ 36) SE03D2405A ±5 ±300 ±30 158 79 SE03D2412A ±12 ±125 ±12.5 152 180* 82 SE03D2415A ±15 ±100 ±10 152 82 SE03S4803A 3.3 700 70 63 76 SE03S4805A 5 600 60 78 80 4700 SE03S4812A 12 250 25 75 83 48 SE03S4815A 15 200 20 75 3 10 83 (36 ~ 75) SE03D4805A ±5 ±300 ±30 79 79 SE03D4812A ±12 ±125 ±12.5 76 180* 82 SE03D4815A ±15 ±100 ±10 76 82 * For each output DS_SE03S/D_08222014 E-mail: DCDC@delta.com.tw http://www.delta.com.tw/dcdc P1

Input Characteristics Parameter Model Min. Typ. Max. Unit 12V Input Models -0.7 --- 25 Input Surge Voltage (1 sec. max.) 24V Input Models -0.7 --- 50 48V Input Models -0.7 --- 100 12V Input Models 4.5 6 8 Start-Up Voltage 24V Input Models 8 12 18 VDC 48V Input Models 16 24 36 12V Input Models --- --- 8 Under Voltage Shutdown 24V Input Models --- --- 16 48V Input Models --- --- 32 Reverse Polarity Input Current --- --- 0.5 A Short Circuit Input Power --- --- 1500 mW All Models Input Filter Pi Filter Internal Power Dissipation --- --- 2500 mW Output Characteristics Parameter Conditions Min. Typ. Max. Unit Output Voltage Accuracy --- ±0.5 ±1.0 % Output Voltage Balance Dual Output, Balanced Loads --- ±0.5 ±2.0 % Line Regulation Vin=Min. to Max. --- ±0.1 ±0.3 % Load Regulation Io=10% to 100% --- ±0.3 ±1.0 % Ripple & Noise (20MHz) --- 50 75 mV P-P Ripple & Noise (20MHz) Over Line, Load & Temp. --- --- 100 mV P-P Ripple & Noise (20MHz) --- --- 10 mV rms Transient Recovery Time --- 200 500 uS 25% Load Step Change Transient Response Deviation --- ±2 ±6 % Temperature Coefficient --- ±0.01 ±0.02 %/℃ Short Circuit Protection Continuous General Characteristics Parameter Conditions Min. Typ. Max. Unit I/O Isolation Voltage (rated) 60 Seconds 1500 --- --- VDC I/O Isolation Resistance 500 VDC 1000 --- --- MΩ I/O Isolation Capacitance 100KHz, 1V --- 65 100 pF Switching Frequency --- 300 --- KHz MTBF (calculated) MIL-HDBK-217F@25℃, Ground Benign 1,000,000 --- --- Hours Moisture Sensitivity Level (MSL) IPC/JEDEC J-STD-020D Level 2 Recommended Input Fuse 12V Input Models 24V Input Models 48V Input Models 750mA Slow-Blow Type 350mA Slow-Blow Type 200mA Slow-Blow Type Environmental Specifications Parameter Conditions Min. Max. Unit Operating Temperature Range Ambient -40 +85 ℃ (with Derating) Case Temperature --- +90 ℃ Storage Temperature Range -50 +125 ℃ Humidity (non condensing) --- 95 % rel. H Cooling Free-Air convection Lead Temperature --- 260 ℃ (1.5mm from case for 10Sec.) DS_SE03S/D_08222014 E-mail: DCDC@delta.com.tw http://www.delta.com.tw/dcdc P2

Power Derating Curve 100 Natural 80 convection %) 100LFM Output Power ( 4600 420000LLFFMM 20 0 ~ -40 0 20 40 60 80 100 110 Ambient Temperature] Notes 1 Specifications typical at Ta=+25℃, resistive load, nominal input voltage and rated output current unless otherwise noted. 2 Transient recovery time is measured to within 1% error band for a step change in output load of 75% to 100% 3 Ripple & Noise measurement bandwidth is 0-20MHz. 4 These power converters require a minimum output loading to maintain specified regulation, operation under no-load conditions will not damage these modules; however they may not meet all specifications listed. 5 All DC/DC converters should be externally fused at the front end for protection. 6 Specifications subject to change without notice. 7 It is not recommended to use water-washing process on SMT units. Mechancial Drawing Mechanical Dimensions Connecting Pin Patterns 32.3 [1.27] 27.94 [1.10] 2.18 5.08 17.78 [0.7] 5.08 [0.09] [0.2] [0.2] 2.6 [0.10] 242322 151413 8] 3] 4] 5 6 7 8 [0. 1 [0. 8 [0. 20.0 [0.79] 14. 16. 18. 1 2 3 101112 0.50 [0.02] 38] 2.54 [0.10] 17.78 [0.70] 1.0 [0.04] 7 [0. 9. SSEATING ►All dimensions in mm (inches) PLANE ►Tolerance: X.X±0.25 (X.XX±0.01) 0.5 [0.02] 10.2 0.5 [0.4 0.02] 0~ 5 0.15 S ►Pins ±0.05X .(X±X0.±000.21)3 ( X.XXX±0.005) Pin Connections Physical Characteristics Pin Single Output Dual Output Case Size : 32.3x14.8x10.2mm (1.27x0.58x0.4 Inches) 1,2 -Vin -Vin Case Material Non-Conductive Black Plastic 3,11,14,22 NC NC : (flammability to UL 94V-0 rated) 10 NC Common Weight : 8.8g 12 NC -Vout 13 +Vout +Vout 15 -Vout Common 23,24 +Vin +Vin NC : No Connection DS_SE03S/D_08222014 E-mail: DCDC@delta.com.tw http://www.delta.com.tw/dcdc P3

Part Numbering System S E 03 S 12 05 A Number of Form factor Family series Watt Input Voltage Output Voltage Option Code Outputs D-DIP A~Z 01:1W S - Single 03:3.3V 03:3.3V A - Std. Functions P-SIP 02:2W D- Dual 05: 5V 05: 5V S-SMD 03:3W 12:12V 12:12V 04:4W 24: 24V 15: 15V 06:6W 48:48V 24: 24V WARRANTY Delta offers a three(3) years limited warranty. Complete warranty information is listed on our web site or is available upon request from Delta. Information furnished by Delta is believed to be accurate and reliable. However, no responsibility is assumed by Delta for its use, nor for any infringements of patents or other rights of third parties, which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Delta. Delta reserves the right to revise these specifications at any time, without notice. DS_SE03S/D_08222014 E-mail: DCDC@delta.com.tw http://www.delta.com.tw/dcdc P4

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: D elta Electronics: SE03D1215A SE03D1212A SE03S1212A SE03D2412A SE03D4812A SE03S2405A SE03S4803A SE03S2412A SE03D4815A SE03D2415A SE03S4805A SE03D4805A SE03D1205A SE03S1203A SE03S2403A SE03S4815A SE03S2415A SE03S4812A SE03S1215A SE03S1205A SE03D2405A