DATASHEET Rev. A DCHF20W SERIES 2:1 Input Voltage Range Single, Dual, and Triple Outputs 20~36.5 Watts Output Power DC/DC Chassis Mount Power Converters FEATURES • Single, Dual, and Triple Outputs • RoHS Compliant • Output Voltage Adjustability • Free Air Convection • 2:1 Input Voltage Range • High Reliability • Built-in EMI Filter • 20~36.5W Output Power • Dimensions: 4.37 x 3.07 x 1.42 Inches • Short Circuit and Over Load Protected DESCRIPTION The DCHF20W series of DC/DC power converters offers from 20W to 36.5W of output power in a 4.37” x 3.07” x 1.42” enclosed case. This series has 2:1 input voltage ranges of 10-18VDC, 18-36VDC, 36-72VDC, and 72-144VDC. This series also has single, dual, and triple output models available. Some features include output adjustability, a built-in EMI filter, and short circuit and over load protection. All models in this series are RoHS compliant. 12/03/2010 Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 1 of 4 DCHF20W Series 20~36.5 Watts Single, Dual, and Triple Outputs DC/DC Chassis Mount Power Converters Rev. A SPECIFICATIONS: DCHF20W Series 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 Nom Max 12VDC nominal input models 10 12 18 24VDC nominal input models 18 24 36 48VDC nominal input models 36 48 72 110VDC nominal input models 72 110 144 Unit INPUT SPECIFICATIONS Input Voltage Range VDC OUTPUT SPECIFICATIONS Output Voltage See Table Output Voltage Adjustment Range Line Regulation Load Regulation Single Output Models -10 +10 Multi-Output Models: V1 -5 +5 Full load ≤ -0.5 ≤ +0.5 V1 ≤ -0.5 ≤ +0.5 V2,3 (with regulators) ≤ -3 ≤ +3 V2,3 (without regulators) ≤ -6 ≤ +6 Output Current See Table Output Power See Table Ripple & Noise See Table % % % PROTECTION Over Load Protection 110 Short Circuit Protection 150 % Yes GENERAL SPECIFICATIONS Efficiency See Table Input to Output 1000 Withstand Voltage Input to FG All for 1 minute 1000 Output to FG 500 Isolation Resistance At 500VDC > 100 ENVIRONMENTAL SPECIFICATIONS Operating Temperature Operating Humidity (non-condensing) Storage Temperature Storage Humidity (non-condensing) Cooling Method PHYSICAL SPECIFICATIONS -10 20 -20 20 VDC MΩ +50 90 +85 95 Free air convection °C % RH °C % RH 4.37 x 3.07 x 1.42 inches (111 x 78 x 36 mm) 8.82oz (250g) Dimensions (L x W x H) Weight SAFETY & EMC CHARACTERISTICS Safety Standards Design refer to LVD EMC Standards Design refer to EN55022, EN61000-4 Due to advances in technology, specifications subject to change without notice. 12/03/2010 Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 2 of 4 DCHF20W Series 20~36.5 Watts Single, Dual, and Triple Outputs DC/DC Chassis Mount Power Converters Rev. A MODEL SELECTION TABLES SINGLE OUTPUT MODELS Model DCHF20W-SD12-5 DCHF20W-SD12-12 DCHF20W-SD12-24 DCHF20W-SD24-5 DCHF20W-SD24-12 DCHF20W-SD24-24 DCHF20W-SD48-5 DCHF20W-SD48-12 DCHF20W-SD48-24 DCHF20W-SD110-5 DCHF20W-SD110-12 DCHF20W-SD110-24 Input Voltage 12 VDC (10 – 18 VDC) 24 VDC (18 – 36 VDC) 48 VDC (36 – 72 VDC) 110 VDC (72 – 144 VDC) Output Voltage 5 VDC 12 VDC 24 VDC 5 VDC 12 VDC 24 VDC 5 VDC 12 VDC 24 VDC 5 VDC 12 VDC 24 VDC Output Current 4.0 A 2.0 A 1.0 A 4.0 A 2.0 A 1.0 A 4.0 A 2.0 A 1.0 A 4.0 A 2.0 A 1.0 A Ripple & Noise 100mVp-p 120mVp-p 150mVp-p 100mVp-p 120mVp-p 150mVp-p 100mVp-p 120mVp-p 150mVp-p 100mVp-p 120mVp-p 150mVp-p Output Power 20W 24W 24W 20W 24W 24W 20W 24W 24W 20W 24W 24W Efficiency 70% 72% 74% 70% 72% 74% 70% 72% 74% 70% 72% 74% Ripple & Noise 100mVp-p 120mVp-p 120mVp-p 120mVp-p 100mVp-p 120mVp-p 120mVp-p 120mVp-p 100mVp-p 120mVp-p 120mVp-p 120mVp-p 100mVp-p 120mVp-p 120mVp-p 120mVp-p Output Power Efficiency 27W 71% 24W 72% 27W 71% 24W 72% 27W 71% 24W 72% 27W 71% 24W 72% Ripple & Noise 100mVp-p 120mVp-p 120mVp-p 100mVp-p 150mVp-p 150mVp-p 100mVp-p 120mVp-p 120mVp-p 100mVp-p 150mVp-p 150mVp-p 100mVp-p 120mVp-p 120mVp-p 100mVp-p 150mVp-p 150mVp-p 100mVp-p 120mVp-p 120mVp-p 100mVp-p 150mVp-p 150mVp-p Output Power Efficiency 34.1W 69% 36.5W 70% 34.1W 69% 36.5W 70% 34.1W 69% 36.5W 70% 34.1W 69% 36.5W 70% DUAL OUTPUT MODELS Model DCHF20W-DD12-A DCHF20W-DD12-B DCHF20W-DD24-A DCHF20W-DD24-B DCHF20W-DD48-A DCHF20W-DD48-B DCHF20W-DD110-A DCHF20W-DD110-B Input Voltage V1 V2 V1 V2 V1 V2 V1 V2 V1 V2 V1 V2 V1 V2 V1 V2 12 VDC (10 – 18 VDC) 24 VDC (18 – 36 VDC) 48 VDC (36 – 72 VDC) 110 VDC (72 – 144 VDC) Output Voltage 5 VDC 12 VDC 12 VDC 12 VDC 5 VDC 12 VDC 12 VDC 12 VDC 5 VDC 12 VDC 12 VDC 12 VDC 5 VDC 12 VDC 12 VDC 12 VDC Output Current 0.4 ~ 3.0 A 0 ~ 1.0 A 0.2 ~ 1.2 A 0 ~ 0.8 A 0.4 ~ 3.0 A 0 ~ 1.0 A 0.2 ~ 1.2 A 0 ~ 0.8 A 0.4 ~ 3.0 A 0 ~ 1.0 A 0.2 ~ 1.2 A 0 ~ 0.8 A 0.4 ~ 3.0 A 0 ~ 1.0 A 0.2 ~ 1.2 A 0 ~ 0.8 A TRIPLE OUTPUT MODELS Model DCHF20W-TD12-A DCHF20W-TD12-B DCHF20W-TD24-A DCHF20W-TD24-B DCHF20W-TD48-A DCHF20W-TD48-B DCHF20W-TD110-A DCHF20W-TD110-B 12/03/2010 Input Voltage V1 V2 V3 V1 V2 V3 V1 V2 V3 V1 V2 V3 V1 V2 V3 V1 V2 V3 V1 V2 V3 V1 V2 V3 12 VDC (10 – 18 VDC) 24 VDC (18 – 36 VDC) 48 VDC (36 – 72 VDC) 110 VDC (72 – 144 VDC) Output Voltage 5 VDC 12 VDC -12 VDC 5 VDC 15 VDC -15 VDC 5 VDC 12 VDC -12 VDC 5 VDC 15 VDC -15 VDC 5 VDC 12 VDC -12 VDC 5 VDC 15 VDC -15 VDC 5 VDC 12 VDC -12 VDC 5 VDC 15 VDC -15 VDC Output Current 0.3 ~ 2.5 A 0.1 ~ 1.0 A 0.1 ~ 0.8 A 0.3 ~ 2.5 A 0.1 ~ 0.8 A 0.1 ~ 0.8 A 0.3 ~ 2.5 A 0.1 ~ 1.0 A 0.1 ~ 0.8 A 0.3 ~ 2.5 A 0.1 ~ 0.8 A 0.1 ~ 0.8 A 0.3 ~ 2.5 A 0.1 ~ 1.0 A 0.1 ~ 0.8 A 0.3 ~ 2.5 A 0.1 ~ 0.8 A 0.1 ~ 0.8 A 0.3 ~ 2.5 A 0.1 ~ 1.0 A 0.1 ~ 0.8 A 0.3 ~ 2.5 A 0.1 ~ 0.8 A 0.1 ~ 0.8 A Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 3 of 4 Rev. A DCHF20W Series 20~36.5 Watts Single, Dual, and Triple Outputs DC/DC Chassis Mount Power Converters MECHANICAL DRAWING Unit: inches (mm) 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 closely 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: Toll Free: Fax: E-mail: Web: Address: 12/03/2010 (603)778-2300 (888)597-9255 (603)778-9797 [email protected] www.wallindustries.com 5 Watson Brook Rd. Exeter, NH 03833 Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 4 of 4