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WRB4803S-1WR2 Datasheet(PDF) 3 Page - MORNSUN Science& Technology Ltd. |
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WRB4803S-1WR2 Datasheet(HTML) 3 Page - MORNSUN Science& Technology Ltd. |
3 / 7 page The copyright and authority for the interpretation of the products are reserved by MORNSUN WRA_S-1WR2 & WRB_S-1WR2 2013.07.25-A/3 Page 3 of 7 ESD IEC/EN61000-4-2 Contact ±4KV perf. Criteria B RS IEC/EN61000-4-3 10V/m perf. Criteria A IEC/EN61000-4-4 ±2KV (Recommended Circuit Refer to Figure1-①) perf. Criteria B EFT IEC/EN61000-4-4 ±4KV (Recommended Circuit Refer to Figure 3) perf. Criteria B Surge IEC/EN61000-4-5 ±2KV (Recommended Circuit Refer to Figure1-① or Figure 3) perf. Criteria B CS IEC/EN61000-4-6 3 Vr.m.s perf. Criteria A EMS Voltage dips, short and interruptions immunity IEC/EN61000-4-29 0%-70% perf. Criteria B EMC RECOMMENDED CIRCUIT L D M2 ② C0 TVS LD M1 MOV FU SE ① C1 + Vin G ND + Vo -Vo ( 0V) EUT L O AD C2 CY C trl Cd D1 R ③ C trl Vin G ND (Figure1) Recommended external circuit param eters: Model Vin:5V Vin:12V Vin:24V Vin:48V FUSE Slow blow ,choose according to practical input current MOV -- -- S14K35 S14K60 LDM1 -- -- 56 μH 56 μH TVS SMCJ13A SMCJ28A SMCJ48A SMCJ90A C0 680 μF/16V 680 μF/25V 330 μF/50V 330 μF/100V C1 4.7 μF/50V 4.7 μF/100V LDM2 12 μH C2 4.7 μF/50V 4.7 μF/100V CY 1nF/2KV D1 RB160M-60/1A R Follows: 300 - 0 . 1 - - C D C I V V R = Cd 47nF/100V Note:1. In Figure 1, part ① is the recommended external circuit for EMS , and part ② is for EMI .Choose according to requirements. 2. VC is between Ctrl and GND, VD is the forward conduction voltage drop of D1, IC is the current through Ctrl pin which is normally 5-10mA, the external circuit of Ctrl is as shown in figure1-③. 3. If there is no recommended parameters, no external component is required. EMC RECOMMENDED CIRCUIT PCB LAYOUT DUAL SINGLE (Figure 2) Note: The pad space between input and output GND (CY) must be ≥2mm. |
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