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20 Watts

Single, Dual, and Triple Outputs 1/9/2018 Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797 website: www.wallindustries.com • e-mail: sales@wallindustries.com Page 1 of 7 OPTIONS FEATURES

  • Heatsink
  • Single, Dual, or Triple Output
  • Input Voltage Range
  • 20 Watts Output Power
  • High Efficiency up to 87%
  • Fixed Switching Frequency
  • Six-Sided Continuous Shield
  • Standard 2” x 1.6” x 0.4” package
  • 2:1 and 4:1 Wide Input Voltage Range
  • Single, Dual and Triple Outputs Available
  • ISO9001 Certified Manufacturing Facilities
  • RoHS II & REACH Compliant
  • UL60950-1, EN60950-1, and IEC60950-1 Safety Approvals APPLICATIONS DESCRIPTION
  • Measurement
  • Telecom/Datacom
  • Wireless Networks
  • Industry Control Systems
  • Semiconductor Equipment The YF/YFW Series of DC/DC converters perform over an ultra-wide input voltage range (2:1 and 4:1), providing indefinite short circuit and overvoltage protection. Single, dual, and triple outputs are available. This design technology provides up to 20 watts of output power in a 1.60” x 2.0” x 0.40” case. These current mode control forward converters are designed for improved transient response and reduced stress on switching components and do not require external input filtering, making it a preferred source over industry alternatives. MODEL SELECTION TABLE Single Output Models Model Number Input Voltage Range Output Voltage Output Current Ripple & Noise(1) Input Current Maximum Capacitive Load(1) Efficiency(4) Min Load(5) Max Load No Load(2) Full Load(3) YF12S33-4000 9-18VDC 3.3VDC 280mA 4000mA 75mVp-p 40mA 1507mA 13000µF 77% YF12S5-4000 5VDC 280mA 4000mA 15mA 2193mA 6800µF 80% YF12S12-1600 12VDC 134mA 1670mA 40mA 2110mA 2200µF 83% YF12S15-1330 15VDC 106mA 1330mA 20mA 2083mA 755µF 84% YF(W)24S33-4000 18-36VDC (9-36VDC) 3.3VDC 280mA 4000mA 75mVp-p 10 (20) mA 733 (764) mA 13000µF 79 (76) % YF(W)24S5-4000 5VDC 280mA 4000mA 10 (20) mA 1082 (1111) mA 6800µF 81 (79) % YF(W)24S12-1600 12VDC 134mA 1670mA 10 (20) mA 1018 (1082) mA 2200µF 86 (81) % YF(W)24S15-1330 15VDC 106mA 1330mA 15 (20) mA 1018 (1082) mA 755µF 86 (81) % YF(W)48S33-4000 36-75VDC (18-75VDC) 3.3VDC 280mA 4000mA 75mVp-p 10 (15) mA 367 (377) mA 13000µF 79 (77) % YF(W)48S5-4000 5VDC 280mA 4000mA 10 (10) mA 543 (548) mA 6800µF 82 (80) % YF(W)48S12-1600 12VDC 134mA 1670mA 15 (10) mA 509 (536) mA 2200µF 86 (82) % YF(W)48S15-1330 15VDC 106mA 1330mA 25 (10) mA 506 (532) mA 755µF 86 (82) %

Single, Dual, and Triple Outputs 1/9/2018 Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797 website: www.wallindustries.com • e-mail: sales@wallindustries.com Page 2 of 7 MODEL SELECTION TABLE Dual Output Models Model Number Input Voltage Range Output Voltage Output Current Ripple & Noise(1) Input Current Maximum Capacitive Load(1) Efficiency(4) Min Load(5) Max Load No Load(2) Full Load(3) YF12D5-2000 9-18VDC ±5VDC ±140mA ±2000mA 100mVp-p 15mA 2136mA ±3400µF 82% YF12D12-830 ±12VDC ±67mA ±833mA 35mA 2110mA ±680µF 83% YF12D15-660 ±15VDC ±53mA ±666mA 35mA 2110mA ±450µF 83% YF(W)24D5-2000 18-36VDC (9-36VDC) ±5VDC ±140mA ±2000mA 100mVp-p 20 (15) mA 1028 (1111) mA ±3400µF 85 (79) % YF(W)24D12-830 ±12VDC ±67mA ±833mA 25 (20) mA 1016 (1068) mA ±680µF 86 (82) % YF(W)24D15-660 ±15VDC ±53mA ±666mA 30 (25) mA 1015 (1068) mA ±450µF 86 (82) % YF(W)48D5-2000 36-75VDC (18-75VDC) ±5VDC ±140mA ±2000mA 100mVp-p 15 (10) mA 514 (541) mA ±3400µF 85 (81) % YF(W)48D12-830 ±12VDC ±67mA ±833mA 15 (15) mA 502 (527) mA ±680µF 87 (83) % YF(W)48D15-660 ±15VDC ±53mA ±666mA 20 (20) mA 502 (527) mA ±450µF 87 (83) % MODEL SELECTION TABLE Triple Output Models Model Number Input Voltage Range Output Voltage Output Current Ripple & Noise(1) Input Current Maximum Capacitive Load(1) Efficiency(4) Min Load(5) Max Load No Load(2) Full Load(3) YF12T3.312-17 9-18VDC 3.3/±12VDC 300/±30mA 3000/±300mA 50/120mVp-p 20mA 1900mA 4700/ ±220µF 79% YF12T3.315-17 3.3/±15VDC 300/±25mA 3000/±250mA 50/150mVp-p 35mA 1933mA 4700/ ±220µF 79% YF12T512-17 5/±12VDC 200/±30mA 2000/±300mA 50/120mVp-p 20mA 1885mA 4700/ ±220µF 80% YF12T515-17 5/±15VDC 200/±25mA 2000/±250mA 50/150mVp-p 40mA 1919mA 4700/ ±220µF 80% YF24T3.312-17 18-36VDC 3.3/±12VDC 300/±30mA 3000/±300mA 50/120mVp-p 20mA 914mA 4700/ ±220µF 82% YF24T3.315-17 3.3/±15VDC 300/±25mA 3000/±250mA 50/150mVp-p 20mA 967mA 4700/ ±220µF 79% YF24T512-17 5/±12VDC 200/±30mA 2000/±300mA 50/120mVp-p 25mA 907mA 4700/ ±220µF 83% YF24T515-17 5/±15VDC 200/±25mA 2000/±250mA 50/150mVp-p 10mA 922mA 4700/ ±220µF 83% YF48T3.312-17 18-75VDC 3.3/±12VDC 300/±30mA 3000/±300mA 50/120mVp-p 10mA 457mA 4700/ ±220µF 82% YF48T3.315-17 3.3/±15VDC 300/±25mA 3000/±250mA 50/150mVp-p 10mA 464mA 4700/ ±220µF 82% YF48T512-17 5/±12VDC 200/±30mA 2000/±300mA 50/120mVp-p 15mA 448mA 4700/ ±220µF 84% YF48T515-17 5/±15VDC 200/±25mA 2000/±250mA 50/150mVp-p 15mA 456mA 4700/ ±220µF 84%

Single, Dual, and Triple Outputs 1/9/2018 Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797 website: www.wallindustries.com • e-mail: sales@wallindustries.com Page 3 of 7 SPECIFICATIONS All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted. We reserve the right to change specifications based on technological advances. SPECIFICATION TEST CONDITIONS Min Typ Max Unit INPUT SPECIFICATIONS Input Voltage Range YF 12V nominal input 9 12 18 VDC 24V nominal input 18 24 36 48V nominal input 36 48 75 YFW 24V nominal input 9 24 36 48V nominal input 18 48 75 Input Reflected Ripple 25 mAp-p Input Surge Voltage (100ms max.) 12V input 36 VDC 24V input 50 48V input 100 Input Filter Pi Type OUTPUT SPECIFICATIONS Output Voltage See Table Voltage Accuracy Single/Dual Outputs -1.0 +1.0 % Triple: 3.3V, 5V -1.0 +1.0 Triple: 12V, 15V -5.0 +5.0 Line Regulation Low Line to High Line @ Full Load Single Output -0.2 +0.2 % Dual Output -0.5 +0.5 Triple Output: 3.3V, 5V -1.0 +1.0 Triple Output: 12V, 15V -5.0 +5.0 Load Regulation No Load to Full Load Single Output -0.5 +0.5 % Dual Output -3.0 +3.0 Triple Output: 3.3V, 5V -2.0 +2.0 Triple Output:12V, 15V -5.0 +5.0 Voltage Adjustability -10 +10 % Output Power See Table Output Current See Table Maximum Capacitive Load See Table Ripple & Noise Measured by 20MHz bandwidth Single Output 75 mVp-p Dual Output 100 Triple Output: 3.3V, 5V 50 Triple Output: 12V 120 Triple Output: 15V 150 Transient Response Recovery Time 25% load step change Single/Dual Output 250 µs Triple 500 Start-Up Time Constant resistive load Power Up 20 ms Temperature Coefficient -0.02 +0.02 %/ºC Cross Regulation (6) Dual Models -5.0 +5.0 % Triple Models: 3.3V, 5V -2.0 +2.0 Triple Models: 12V, 15V -5.0 +5.0 REMOTE ON/OFF CONTROL(7) Positive Logic DC-DC ON Open or 3.5 ~ 12VDC DC-DC OFF Short or 0 ~ 1.2VDC Input Current of CTRL Pin -0.5 +1.0 mA Remote OFF Input Current 20 mA PROTECTION Short Circuit Protection Continuous, Automatic Recovery Over Load Protection % of lout rated 150 % Over Voltage Protection Zener diode clamp 3.3V models 3.9 VDC 5V models 6.2 12V models 15 15V models 18

Single, Dual, and Triple Outputs 1/9/2018 Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797 website: www.wallindustries.com • e-mail: sales@wallindustries.com Page 4 of 7 SPECIFICATIONS All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted. We reserve the right to change specifications based on technological advances. SPECIFICATION TEST CONDITIONS Min Typ Max Unit ENVIRONMENTAL SPECIFICATIONS Operating Ambient Temperature With derating -40 +85 ºC Storage Temperature -55 +125 ºC Maximum Case Temperature +100 ºC Relative Humidity 5 95 % RH Thermal Shock MIL-STD-810F Thermal Impedance(8) Natural Convection 10 ºC/W Natural Convection with Heatsink 8.24 Vibration MIL-STD-810F MTBF MIL-HDBK-217F, Full Load 1,922,000 hours GENERAL SPECIFICATIONS Efficiency See Table Switching Frequency 270 300 330 KHz Isolation Voltage (1 minute) Input to Output 1600 VDC Input to Case 1600 Output to Case 1600 Isolation Resistance 500VDC 1 GΩ Isolation Capacitance 300 pF PHYSICAL SPECIFICATIONS Weight 1.69oz (48g) Dimensions (L x W x H) 2.0in x 1.6in x 0.40in (50.8mm x 40.6mm x 10.2mm) Case Material Nickel-Coated Copper Base Material Non-Conductive Black Plastic Potting Material Epoxy (UL94 V-0) Shielding Six-Sided SAFETY & EMC CHARACTERISTICS Safety Approvals UL60950-1 EN60905-1 IEC60950-1 EMI(9) EN55022 Class A, Class B ESD EN61000-4-2 Air ±8kV Perf. Criteria B Contact ±6kV Radiated Immunity EN61000-4-3 10V/m Perf. Criteria A Fast Transient (See Note 5) EN61000-4-4 ±2kV Perf. Criteria B Surge (10) EN61000-4-5 ±1kV Perf. Criteria B Conducted Immunity EN61000-4-6 10Vr.m.s Perf. Criteria A Power Frequency Magnetic Field EN61000-4-8 100A/m continuous; 1000A/m 1 second. Perf. Criteria A NOTES (1) Typical value at nominal input voltage and full load. (2) Typical value at nominal input voltage and no load. (3) Maximum value at nominal input and full load. (4) Test by minimum Vin and constant resistive load. (5) The output requires a minimum loading on the output to maintain specified regulation. Operation under no-load condition will not damage these devices, however they may not meet all listed specifications. (6) Cross Regulation: Dual Output-Asymmetrical load 25% to 100% full load. Triple output- 3.3V/5V 100% load and one of auxiliary 100% load, other auxiliary load change from 25% to 100% load. (7) The ON/OFF control pin voltage is referenced to –Vin. (8) Heatsink is optional (for operating temperature range please see derating curve. Contact factory for details. (9) The YF/YFW series can meet EN55022 Class A with an external capacitor in parallel with the input pins. Recommended: 12Vin: 6.8µF/50V 1812 MLCC. 24Vin: N/A 48Vin:2.2µF/100V 1812 MLCC (10) An external filter capacitor is required if the module has to meet EN61000-4-5. The filter capacitor Wall Industries suggests is Nippon chemi-con KY series, 220µF/100V, ESR 48mΩ. (11) The YF Series is a 2:1 wide input range of 18~36VDc and 36~75CSX, the YFW Series is 4:1 ultra wide input range of 9~36VDC and 18~75VDC. CAUTION: This power module is not internally fused. An input line fuse must always be used. Due to advances in technology, specifications subject to change without notice.

Single, Dual, and Triple Outputs 1/9/2018 Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797 website: www.wallindustries.com • e-mail: sales@wallindustries.com Page 5 of 7 DERATING CURVES YF48S5-4000 Derating Curve YF48S5-4000 Derating Curve with Heatsink EFFICIENCY GRAPHS YF48S5-4000 Efficiency vs Input Voltage YF48S5-4000 Efficiency vs Output Load

Single, Dual, and Triple Outputs 1/9/2018 Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797 website: www.wallindustries.com • e-mail: sales@wallindustries.com Page 6 of 7 MECHANICAL DRAWINGS PIN CONNECTION PIN SINGLE DUAL TRIPLE 1 +Vin +Vin +Vin 2 -Vin -Vin -Vin

4 Ctrl Ctrl Ctrl

5 No Pin +Vout +Aux

8 Trim Trim -Aux

Output can be externally trimmed by using the method shown below. ( ) For dual output trim. Notes: 1. All dimensions in inch (mm) x.xxx±0.01 (x.xxx±0.25) 3. Pin pitch tolerance ±0.01 (0.25) 4. Pin dimension tolerance ±0.004(0.1) HEATSINK OPTIONS (SUFFIX “HS”)

Single, Dual, and Triple Outputs 1/9/2018 Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797 website: www.wallindustries.com • e-mail: sales@wallindustries.com Page 7 of 7 RECOMMENDED FILTERS Recommended Filter for EN55022 Class B Compliance MODEL C1 C2 C3 C4 L1 YFW12xxx- xxxx 4.7µF/50V N/A 1000pF/2K V 1000pF/2K V 450µH Common Choke YFW24xxx- xxxx 4.7µF/50V N/A 1000pF/2K V 1000pF/2K V 450µH Common Choke YFW48xxx- xxxx 2.2µF/100V 2.2µF/100V 1000pF/2K V 1000pF/2K V 450µH Common Choke Recommended EN55022 Class B Filter Circuit Layout COMPANY INFORMATION Wall Industries, Inc. has created custom and modified units for over 50 years. Our in- house research and development engineers will provide a solution that exceeds your performance requirements on- time and on budget. Our ISO9001-2008 certification is just one example of our commitment to producing a high quality, well-documented product for our customers. Our past projects demonstrate our commitment to you, our customer. Wall Industries, Inc. has a reputation for working cl osely with its customers to ensure each solution meets or exceeds form, fit and function requirements. We will continue to provide ongoing support for your project above and beyond the design and production phases. Give us a call today to discuss your future projects. Contact Wall Industries for further information: Phone: (603)778-2300 Toll Free: (888)597-9255 E-mail: sales@wallindustries.com Web: www.wallindustries.com Address: 37 Industrial Drive Exeter, NH 03833