WRA-ZHD-3W&WRB-ZHD-3W 3W, WIDE INPUT, ISOLATED & REGULATED DUAL/SINGLE OUTPUT DC-DC CONVERTER SELECTION GUIDE Model FEATURES ◆ RoHS compliant ◆ 24 Pin DIP Package ◆ Wide 4:1 input range ◆ ◆ High efficiency up to 85% Operating temperature -40℃ to + 85℃ ◆ Input/output isolation 1500VDC ◆ Pin compatible with multiple manufacturers ◆ Continuous short circuit protection ◆ No heat sink required ◆ Industry standard pinout MTBF＜1,000,000 hours ◆ MODEL SELECTION ① ② ③ ④ ⑤ WRA D -3W(100) WRA 24 15 Z HD ⑥ ①Product Series ②Input Voltage ③Output Voltage ④4:1Wide Input Volage Range ⑤Symmetric pin layout DIP24 Package Style ⑥Rated Power(Output current) APPLICATIONS The WRA-ZHD-3W&WRB-ZHD-3W series offer 6 watts of output power from a package in an IC compatible 24 pin DIP configuration without derating to 71ºC ambient temperature. WRA-ZHD-3W&WRB-ZHD-3W series have 4:1 wide input voltage of 9-36 and 18-72VDC. Input Voltage (V) Output Output Voltage Current (V) max (mA) Isolation (VDC) Max Capacitive Load(uF) Efficiency (%) WRB2403ZHD-3W 9-36 3.3 700 1500 500 75 WRB2405ZHD-3W 9-36 5 600 1500 340 81 WRB2407ZHD-3W 9-36 7.2 415 1500 340 78 WRB2409ZHD-3W 9-36 9 330 1500 165 82 WRB2412ZHD-3W 9-36 12 250 1500 50 83 WRB2415ZHD-3W 9-36 15 200 1500 50 83 WRB2418ZHD-3W 9-36 18 165 1500 50 83 WRB2424ZHD-3W 9-36 24 125 1500 34 82 WRB4803ZHD-3W 18-72 3.3 700 1500 500 75 WRB4805ZHD-3W 18-72 5 600 1500 340 81 WRB4807ZHD-3W 18-72 7.2 415 1500 340 81 WRB4809ZHD-3W 18-72 9 330 1500 165 82 WRB4812ZHD-3W 18-72 12 250 1500 50 82 WRB4815ZHD-3W 18-72 15 200 1500 50 85 WRB4818ZHD-3W 18-72 18 165 1500 50 83 WRB4824ZHD-3W 18-72 24 125 1500 34 83 WRA2403ZHD-3W 9-36 ±3.3 ±350 1500 ±235 80 WRA2405ZHD-3W 9-36 ±5 ±300 1500 ±165 82 WRA2407ZHD-3W 9-36 ±7.2 ±205 1500 ±165 80 WRA2409ZHD-3W 9-36 ±9 ±165 1500 ±50 82 WRA2412ZHD-3W 9-36 ±12 ±125 1500 ±34 84 WRA2415ZHD-3W 9-36 ±15 ±100 1500 ±34 80 WRA2418ZHD-3W 9-36 ±18 ±80 1500 ±34 80 WRA2424ZHD-3W 9-36 ±24 ±62 1500 ±11 81 WRA4803ZHD-3W 18-72 ±3.3 ±350 1500 ±235 79 WRA4805ZHD-3W 18-72 ±5 ±300 1500 ±165 82 WRA4807ZHD-3W 18-72 ±7.2 ±205 1500 ±165 81 WRA4809ZHD-3W 18-72 ±9 ±165 1500 ±50 81 WRA4812ZHD-3W 18-72 ±12 ±125 1500 ±34 83 WRA4815ZHD-3W 18-72 ±15 ±100 1500 ±34 81 WRA4818ZHD-3W 18-72 ±18 ±80 1500 ±34 81 WRA4824ZHD-3W 18-72 ±24 ±62 1500 ±11 81 Parameters Model MICRODC R ESERVES THE COPYRIGHT CE EN55022 Class A, EN55024 IEC61000-4-2, Perf. Criteria B IEC61000-4-3, Perf. Criteria A Standards IEC61000-4-4, Perf. Criteria B (external 220uF/100V cap required) IEC61000-4-5, Perf. Criteria B (external 220uF/100V cap required) IEC61000-4-6, Perf. Criteria A IEC61000-4-8, Perf. Criteria A NOTE: Also designed to meet IEC60950-1:2001 http://www.microdc.cn Technical Enquiries-Email:[email protected] Tel:0086-20-86000646 Page 1 of 3 WRA-ZHD-3W&WRB-ZHD-3W Input Specifications Parameters Nominal Voltage range Typical Maximum Units 24 9-36 VDC 48 18-72 VDC Filter π (Pi) Network Turn on Transient process time 350 Start up time Absolute Maximum Rating ms 500 ms 24 Vin -0.7-40 VDC 48 Vin -0.7-80 VDC Peak Input Voltage time ms Isolation Specifications Parameters Conditions Tested I/O voltage Typical 3 sec Resistance Capacitance Rated Units 1500 VDC > 1000 MOhm 470 pF Output Specifications Parameters Conditions Typical Voltage accuracy Rated ±1 Voltage balance Dual Output Units % ±1 % Short Circuit protection Continuous Short circuit restart Auto-recovery Over current protection 120% Iout Line voltage regulation (Single) ±0.5 % Line voltage regulation (Dual) ±0.5 % 0 – 100% load ±1.5 % Load voltage regulation (Dual) 0 – 100% load ±0.5 % Load voltage regulation (Dual) 0 – 100% load ±1.5 % ±0.02 %/℃ 60 mV p-p 10 ms Load voltage regulation (Single) Load voltage regulation (Single) 3,3V output model ±3.3V output model Temperature coefficient Ripple & Noise At 20MHz Bandwidth Rising time General Specifications Parameters Switching frequency Operating temperature Conditions Typical 100% load 260 Full Load without Derating Maximum KHz -40 to +85 Storage temperature Derating Not-Required Cooling Free air convection Case material MTBF http://www.microdc.cn ℃ +100 ℃ 90 % Plastic or Nickel coated copper Weight Dimensions (L x W x H) ℃ -40 to +125 Max Case temperature Humidity Units 26 Tolerance ±0.5 mm or ±0.02 inches g (1.28 x 0.84 x 0.41 inches )32.25 x 21.35 x 10.50 mm >960 000 hrs (MIL-HDBK -217F, Ground Benign, t=+25℃) Technical Enquiries-Email:[email protected] Tel:0086-20-86000646 Page 2 of 3 WRA-ZHD-3W&WRB-ZHD-3W TYPICAL CHARECTERISTICS RECOMMENDED FOOTPRINT WRA2405ZHD-3W&WRB2405ZHD-3W Derating Curve RECOMMENDED FOOTPRINT Top view grid:2.54mm(0.1inch) diameter:1.00mm(0.039inch) Pin Out Specifications MECHANICAL DIMENSIONS PIN Single Dual 1、24 +V Input +V Input 2、23 N. C. -V Output 3、22 N. C. Common * 9、16 Omitted Omitted 10、15 -V Output Common 11、14 +V Output +V Output 12、13 -V Input -V Input NC:No Connection *:this pin can be omitted. TUBE OUTLINE DIMENSIONS Unit:inch(mm) Pin section tolerances:±0.004inch(±0.10mm) General tolerances:±0.010inch(±0.25mm) Note: Unit :mm[inch] General tolerances:±0.50mm[±0.020inch] L=230mm[9.055inch] Tube Quantity: 10pcs RoHS COMPLIANT INFORMATION Microdc Professional Power Module,Inc. Tel:0086-20-86000646 E-mail:[email protected] Website:http://www.microdc.cn This series is compatible with RoHS soldering systems with a peak wave solder temperature of 300°C for 10 seconds. The pin termination finish on the SIP package type is Tin Plate, Hot Dipped over Matte Tin with Nickel Preplate. The DIP types are Matte Tin over Nickel Preplate. Both types in this series are backward compatible with Sn/Pb soldering systems. REACH COMPLIANT INFORMATION This series has proven that this product does not contain harmful chemicals, it also has harmful chemical substances through the registration, inspection and approval. http://www.microdc.cn Technical Enquiries-Email:[email protected] Tel:0086-20-86000646 Page 3 of 3