Data Sheet VI-HAM , VE-HAM TM TM High-Boost Harmonic Attenuation Module Features • 675 Watts output power • Unity power factor • 85 – 264 Vac universal input • Meets EN61000-3-2 • Short circuit protection • Input surge limiting • High efficiency • RoHS compliant • For use with Vicor’s V375, VI-26x and VI-J6x DC-DC Converters Product Overview The high-boost HAM (Harmonic Attenuator Module) is a universal AC input, PFC front-end module that has been optimized for use with Vicor’s V375 series of DC-DC converters. A single high-boost HAM may be used with any combination of V375 series DC-DC converters which are available in Micro, Mini and Maxi packages with up to 600 Watts of output power. Versions without internal diode bridges (HAMD and BAMD) can be operated in parallel to provide power expansion capability. The combination of the high-boost HAM with V375 DC-DC converters results in a power conversion system with twice the power density, fewer components and lower cost compared to previous HAM-based solutions. In addition, the high-boost HAM is fully compatible with Vicor’s VI-26x and VI-J6x series DC-DC converters. This gives designers the freedom to choose from the industry’s broadest selection of DC-DC converters with outputs from 2 to 95 Vdc, 50 – 600 Watts. The user need only provide external hold-up capacitors, a few discrete components, and a line filter (available from Vicor). 4.6 x 2.4 x 0.5 in (116,8 x 61,0 x 12,7 mm) Absolute Maximum Ratings Parameter L to N voltage Mounting torque Pin soldering temperature Rating Unit Notes 265 280 Vac Vac Continuous 100 ms 5 (0.57) in- lbs (N-m) 750 (400) °F (°C) # 6-32 or m3.5 Operating temperature –55 to +85 °C M-Grade Storage temperature –65 to +100 °C M-Grade 3 mA Auxiliary output Part Numbering VI - HAM RoHS Designator VI = Non RoHS Compliant VE = RoHS Compliant - C L Product Grade Temperatures (°C) Grade Operating Storage –40 to +100 E = –10 to +85 C = – 25 to +85 –40 to +100 I = – 40 to +85 –55 to +100 M = – 55 to +85 –65 to +100 Output L = 675 W Product Type HAM = Harmonic Attenuator Module HAMD = Harmonic Attenuator Module Driver BAMD = Harmonic Attenuator Module Booster (HAMD and BAMD can be used in parallel or in arrays for applications that require more power than that available from a single HAM) For application information please see the Design Guide at www.vicorpower.com/mmmguide. Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 HAM, High-Boost Harmonic Attenuation Module Set your site on VICOR at vicorpower.com Rev. 2.5 Page 1 of 10 ELECTRICAL CHARACTERISTICS Electrical characteristics apply over the specified operating voltage range, output load and baseplate temperature, unless otherwise specified. All temperatures refer to the operating temperature of the baseplate. Specifications apply for AC mains having no more than 5% total harmonic distortion. INPUT SPECIFICATIONS (HAM-xL, HAMD-xL, BAMD-xL) Parameter Min Operating input voltage HAM, HAMD, BAMD AC line frequency Power factor Typ Max Unit Notes 85 264 Vac Rectified AC for HAMD, BAMD 47 63 Hz Unit will operate at 400 Hz but may not meet PF or THD specs 0.99 115 / 230 Vac, 50 – 100% load Total harmonic distortion (line current) 7.5 8.5 % % 115 Vac, sinusoidal input, full load 230 Vac, sinusoidal input, full load Inrush current 20 13 Amps Amps 230 Vac, full load 115 Vac, full load mH External to HAM module (see Fig. 10) CM Filter Inductance 3 6 DM Filter Inductance 0.2 0.35 0.75 mH External to HAM module (see Fig. 10) Typ Max Unit Notes 675 Watts See power derating graph, Fig.3 282 370 Vdc Vdc 115 Vac In 230 Vac In (see Fig. 3) OUTPUT SPECIFICATIONS Parameter Min Maximum output power Output voltage 278 360 280 365 Efficiency 90 93 91 94 % % 115 Vac, sinusoidal input, full load 230 Vac, sinusoidal input, full load External hold up capacitance per HAM 500 3,000 µF 300 W, 500 µF minimum, external to HAM 675 W, 1,000 µF minimum, external to HAM Ride through / hold up time 16 ms 675 W output with 1,000 µF hold up capacitor, external to HAM Ripple Includes external rectifier loss for HAMD and BAMD 7 10 Vp-p 5 6 Vp-p 115 Vac, full load, 1,000 µF hold up capacitor, external to HAM 230 Vac, full load, 1,000 µF hold up capacitor, external to HAM 100 mA Foldback current limiting Max Unit Notes Short circuit shut down current CONTROL SPECIFICATIONS Parameter Min Typ Power OK threshold Module enable/disable threshold Auxiliary output 270 240 Vdc 250 19 260 Vdc 23 Vdc ≤ 3 mA 3 mA Do not overload or add external capacitance ELECTROMAGNETIC COMPATIBILITY Parameter Standard Notes Transient / surge immunity EN61000-4-5 1 kV L-N, 2 kV L-PE, 30205 filter and 30076 MOV Line disturbance / immunity EN61000-4-11 Main’s interruption or brown out Flicker / inrush EN61000-3-3 20 A peak inrush at 230 Vac input Harmonic current EN61000-3-2 7.5% THD Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 HAM, High-Boost Harmonic Attenuation Module Set your site on VICOR at vicorpower.com Rev. 2.5 Page 2 of 10 ELECTRICAL CHARACTERISTICS (CONT.) SAFETY SPECIFICATIONS Parameter Min Typ Isolation (in to out) Dielectric withstand (I/O to baseplate) Max Unit None Isolation provided by DC-DC converters 2,121 Capacitance Notes 150 Vdc Baseplate earthed pF Input to baseplate AGENCY APPROVALS Safety Standards Markings UL60950-1, EN60950-1, CSA 60950-1 Notes cTÜVus, cURus CE Marked Low Voltage Directive GENERAL SPECIFICATIONS Parameter Min Typ Size Weight 4.6 x 2.4 x 0.5 (116,8 x 61,0 x 12,7) in (mm) 6.4 (180) oz (g) Notes GE ULtem 2100 black #7310 UL94-VO rated Cover material Thermal shut down Vicor Corp. Unit Solder plate over copper alloy Pin material MTBF HAM HAMD BAMD Max 90 100 420,000 424,000 818,000 Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 °C Baseplate temperature hrs hrs hrs GB, 25°C GB, 25°C GB, 25°C HAM, High-Boost Harmonic Attenuation Module Set your site on VICOR at vicorpower.com Rev. 2.5 Page 3 of 10 TECHNICAL DESCRIPTION The HAM (Figure 1) consists of a full-wave rectifier, a high-frequency zero-current switching (ZCS) boost converter, active inrush current limiting, short-circuit protection, control and housekeeping circuitry. The incoming AC line is rectified and fed to the boost converter. The control circuitry varies the operating frequency of the boost converter to maintain the output voltage of the HAM above the peak of the incoming line, while forcing the input current to follow the waveshape and phase of the line voltage. The AC input current follows the voltage waveform and a power factor better than 0.99 is achieved. Operating efficiency of the boost converter is optimized at any incoming line voltage by an adaptive output voltage (Figure 3) control scheme. ZCS Boost Converter Rectifier AC Line Inrush & Short Circuit Protection Current Sense High Frequency Control Output Voltage Control Module Enable & Housekeeping Power OK Circuitry Voltage Waveform Gate In Gate Out The output voltage of the HAM is a function of incoming AC line voltage (Figure 3). On a nominal 115 Vac line, the output voltage of the HAM is 280 Vdc — well within the input operating voltage range of Vicor V375 DC-DC converters. Above 180 Vac input, the output voltage linearly increases with input voltage. At 230 Vac the delivered voltage will be approximately 365 Vdc. For any given input line voltage, the HAM maintains enough headroom between the output voltage and peak input voltage to ensure high quality active power factor correction without sacrificing operating efficiency. + DC Out – Note: Non-Isolated Output Aux. Supply Without PFC With PFC NOTE: No input to output isolation. Figure 2 — Input voltage and current wave forms, with and without power factor correction Figure 1 — HAM block diagram 700 400 650 375 350 600 derate output power 11 W/V for Vin <110 Vac 550 325 500 300 450 275 400 85 Output Voltage (Vdc) Output Power (W) 425 250 95 105 115 125 135 145 155 165 175 185 195 205 215 225 235 245 255 265 110 Input Voltage VRMS Rated Output Power Output Voltage Figure 3 — Output voltage and power rating versus input voltage Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 HAM, High-Boost Harmonic Attenuation Module Set your site on VICOR at vicorpower.com Rev. 2.5 Page 4 of 10 F3 C5 V1 F1 L1 L1 GND L2/N GATE IN R1 R2 R3* D1 D2, D3 D4, D5 V1 C5–C8 F1, F2 F3 P/OK E/O A/S VI-HAM-xL GATE OUT L2/N LINE Component Designation C1 C2, C3 C4 + OUT L1 Vicor Line Filter P/N 30205 6.3 A Description 0.1 μF ceramic, 50 V 0.01 μF ceramic, 50 V Hold up capacitor, 500 to 3,000 μF L2/N +IN R2 R1 C1 D1 D2 V375 DC-DC Converters PC PR C2 D4 -IN – OUT C6 LOAD Y-Capacitor Vicor Part Number C7 F2 Available as a HUB from Vicor (see adjoining table) 50 KΩ 250 Ω, 0.25 W 100 KΩ, 2 W 1N4691 zener, 6.2 V 1N4006 diode, 800 V 00670 1N5817 schottky diode, 20V 26108 275 V MOV 30076 4,700 pF Y2 cap. 01000 Use recommended fusing for specific DC-DC Converters 10 A, 250 V +IN D3 D5 C4 R3* C3 G ATE IN G ATE OUT VI-26x or VI-J6x DC-DC Converters -IN C8 Y-Capacitor Hold up Box (HUB) μF μF μF * A 100 K, 2 Watt resistor is used for every 1,000 µF of hold-up capacitance. Figure 4 — Connection diagram HAM / DC-DC converters PIN FUNCTION / DESCRIPTION L1 and L2/N (HAM) An appropriate line filter is required to limit conducted emissions and ensure reliable operation of the HAM, see page 8. Connect single phase AC mains to the input of the line filter via a 10 A, 250 V fuse. Connect the output of the filter to L1 and L2/N of the HAM. Do not put an X-capacitor across the input of the HAM or use a line filter with an X-capacitor on its output as power factor correction may be impacted. +IN, –IN (HAMD, BAMD) These pins are connected to the output of the external bridge rectifier in HAMD / BAMD configurations (Figure 5). GATE IN (HAM) The user should not make any connection to this pin. GATE IN (HAMD) This pin provides line voltage envelope and phase information for power factor correction. This connection must be made through the synchronization diodes between the line filter and bridge rectifier (Figure 5). Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 GATE IN (BAMD) The Gate In pin is an interface pin to the Gate Out pin of a HAMD or BAMD depending on configuration. The user should not make any other connection to this pin. GATE OUT The Gate Out pin is a synchronization pin for HAMD/BAMD arrays; the user should not make any other connection to this pin. +OUT and -OUT Connect the +OUT of the HAM to the +IN of the respective Vicor DC-DC converters with the recommended fuse. Connect the -OUT of the HAM to the -IN of the converters. In addition, an external hold-up capacitor of 1,000 µF with a minimum voltage rating of 450 Vdc, is required (across the output of the HAM) for 16 ms ride through time at full power (500 µF for half power, etc). This capacitor must be in close proximity to the HAM. Do not exceed 3,000 µF of total output capacitance. Lower values of capacitance may be used for reduced hold up requirements, but not less than 500 µF. Lower capacitance values may degrade power factor specifications. HAM, High-Boost Harmonic Attenuation Module Set your site on VICOR at vicorpower.com Rev. 2.5 Page 5 of 10 V375 DC-DC Converters C5 10 A F1 +IN L1 L1 JMK Filter Input P/OK E/O VI-HAMD-xL GATE OUT A/S Bridge Rectifier Vicor P/N 30660 F3 GND V1 12.6 A* R2 D2 R1 C1 C9 C2 D1 D4 L2/N 10 A F2 +IN +OUT C10 R3 D3 PC GATE IN C5–C8 C9,C10 D1 D2, D3 D4, D5 F1, F2 F3 R1 R2, R3 R4** V1 Z1, Z2 Z3 Description 0.1 μF ceramic, 50 V 0.01 μF ceramic, 50 V Hold up capacitor, 1000 to 6000 μF VI-BAMD-xL Vicor Part Number C4 GATE OUT ** C3 D5 R4 PR -IN -OUT -IN Available as a HUB from Vicor (see adjoining table) 01000 Film or Ceramic 4,700 pF Y2 cap. 0.2 μF, 500 V 1N4691 zener, 6.2 V 1N4006 diode, 800 V 00670 1N5817 schottky diode, 20 V 26108 Use recommended fusing for specific DC-DC Converters 20 A, 250 V 50 KΩ 250 Ω, 0.25 W 100 KΩ, 2 W 275 V MOV 30076 130 V Transorb 1.5KE130CA 150 V Transorb 1.5KE150CA PR C6 C7 +IN Component Designation C1 C2, C3 C4 PC -IN -OUT Z3 1N4006 L2/N -IN Z1 Z2 1N4006 P/N 1319-13 +IN +OUT GATE IN C8 * Consult Vicor's Applications Engineering for specific HAMD / BAMD filtering information. ** A 100 KΩ, 2 W resistor is used for every 1,000 μF of hold up capacitance. Hold up Box (HUB) 2000 μF HUB1000-P 1350 W Figure 5 — Connection Diagram, HAMD / BAMD / V375 DC-DC Converters HAMD-CL Driver HAM: No internal bridge rectifier or synchronization diodes. BAMD-CL Booster HAM: Companion module to HAMD-CM used for additional output power. No internal bridge rectifier. PIN FUNCTION / DESCRIPTION (CONT.) +OUT A/S The HAM provides a low voltage non isolated output Auxiliary Supply (A/S) that may be used to power primary side control and monitoring circuitry. This output is 19 – 23 Vdc, referenced to -OUT, at 3 mA max. Do not overload or short this output as the HAM will fail. A typical use for A/S is to power an optical coupler that isolates the Power OK signal (Figure 6). P/OK E/O + A/S – –OUT DO NOT OVERLOAD or directly connect a capacitor to the A/S terminal. IAS ≤ 3 mA 19 – 23 V "Power OK" Status Low = OK E/O The Enable Output (E/O) is used to inhibit the DC-DC converters at start up until the hold up capacitors are charged, at which time Enable is asserted high (open state, Figure 8). If the AC line fails, E/O goes low when the DC output of the HAM drops below 250 Vdc. +OUT P/OK E/O 18 kΩ, 1/4 W A/S E/O must be connected to the Gate Input of all VI-26x and VI-J6x drivers and / or the PC pin of the V375 DC-DC converters (Figure 4); failure to do so may cause the converters to toggle on and off. If an external load is connected directly to the output of the HAM, do not apply the load until the output hold up capacitor(s) are fully charged. –OUT Figure 6 — Auxiliary Supply (A/S) In applications using VI-26x drivers and VI-26x boosters, the E/O pin should be connected to the Gate In pin of the driver module only, it is not necessary to connect this pin to boosters as they are controlled by their respective driver. The E/O pin ancillary circuitry illustrated in Figures 4 and 5 provides transient immunity. The illustrated circuitry is the minimum required, see Figures 4 and 5. Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 HAM, High-Boost Harmonic Attenuation Module Set your site on VICOR at vicorpower.com Rev. 2.5 Page 6 of 10 PIN FUNCTION / DESCRIPTION (CONT.) P/OK Power OK is a monitor signal that indicates the status of the AC mains and the DC output voltage of the HAM. P/OK is asserted (active low) when the output bus voltage is within normal operating range (>270 Vdc) and 20 – 25 ms after DC-DC converters are enabled by the E/O signal of the HAM. This provides sufficient time for the converters to turn on and their output(s) to stabilize prior to P/OK being asserted, (Figure 9). For momentary interruptions of AC power, the HAM will provide at least 16 ms of ride through or hold up time (with 1,000 µF output capacitor). On loss of power or brownout, (when the HAM output voltage drops below 270 Vdc) the P/OK signal will go to an open circuit state (Figure 7), signaling an impending loss of input power to the converter modules. P/OK will provide power fail warning at least 1 ms prior to converter shut down. When the HAM output voltage drops below 250 Vdc the converters are disabled via Enable Output (E/O). +OUT D LOGIC P/OK AC Mains 120 Vrms E/O G S A/S –OUT DC Output of HAM 280 Vdc Boost Voltage 270 Vdc 250 Vdc Rectified Line Figure 7 — Power OK (P/OK) Off at 250 Vdc Enable Output (E/O) 25 ms +OUT Off at 270 Vdc Power OK (P/OK) P/OK D LOGIC S G E/O A/S 10 ms Off below 250 Vdc –OUT Figure 8 — Enable / Output (E/O) Vicor Corp. Outputs DC-DC Converter(s) Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 Figure 9 — Start up / shut down timing diagram HAM, High-Boost Harmonic Attenuation Module Set your site on VICOR at vicorpower.com Rev. 2.5 Page 7 of 10 PIN FUNCTION / DESCRIPTION (CONT.) Line Filter for High Boost HAM 4-40 INSERT 0.25 DP 4 PL 4.60 ±0.02 2.50 ø0.080 PIN 6 PLACES LOAD 1.200 LINE A line filter is required to provide attenuation of conducted emissions generated by the HAM module and to protect it from line transients. It also presents a well defined high frequency AC line impedance to the input of the HAM. To meet the listed specifications, Vicor’s P/N 30205 line filter/transient suppressor or equivalent must be used, see Figure 10. The addition of a MOV external to this filter is required to meet normal mode transient surge requirements. 2.40±0.02 2.00 0.100 0.060 FACE MAY BE BOWED 0.04 MAX 1.800 0.900 0.30 ±0.02 0.13 ±0.02 0.500 1.45 ±0.02 1.00 MAX 0.500 2.800 MOV* P/N 30076 LD R LC Cy Cy D3 Cx LOAD LINE Figure 11 — HAM filter #30205 mechanical diagram D1 D2 RATED CURRENT VS AMBIENT TEMPERATURE 90 OPERATING TEMP (DEG C) HAM Filter P/N 30205 Cx = 1.5 uF(x2)SH Cy = 0.01 uF, Y2 type LC = 6.9 mH LD = 0.72 mH R = 235 KΩ D1,2 = 1.5KE130CA D3 = 1.5KE150CA *MOV required external to filter to meet normal mode transient surge requirements Figure 10 — Required HAM filter, Vicor part # 30205 For applications using HAMD + BAMD or where the user desires to construct a custom HAM filter, the filter should be designed following Figure 10, the schematic of Vicor’s P/N 30205 filter. The current carrying capability of the inductors must be scaled proportionally to the number of HAM modules used. Inductance values must be selected according to Table 1. These limits are to ensure proper operation of the HAM and do not guarantee a system will meet conducted emissions specifications. 80 70 60 50 40 1.0 2.0 3.0 4.0 CURRENT (AMPS) 5.0 6.0 7.0 Figure 12 — HAM filter #30205 current rating vs. temperature 90 Min Typ Max Unit Differential Mode Inductance (LD) 0.2 0.35 0.75 mH Common Mode Inductance (LC) 3 6 INSERTION LOSS (db) 80 Parameter mH Table 1 — HAM filter inductance range For applications requiring magnetic field shielding, do not place a ferrous EMI shield over the plastic cover of the HAM module. This can cause thermal problems due to induction heating effects. 70 DM 60 50 40 30 CM 20 10 0 0.01 0.04 0.1 0.4 1 4 10 0.02 0.07 0.2 0.7 2 7 20 FREQUENCY (MEGAHERTZ) 40 100 70 Figure 13 — HAM filter #30205 insertion loss vs. frequency Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 HAM, High-Boost Harmonic Attenuation Module Set your site on VICOR at vicorpower.com Rev. 2.5 Page 8 of 10 PIN FUNCTION / DESCRIPTION (CONT.) Parameter Min Operating voltage Operating temperature (See Fig.12) Typ Max Unit 85 250 Vac –20 40 °C Leakage current at 264 Vac, 63 Hz (Either line to earth) 1.2 mA Operating current 6.3 A 1500 Vac 34 V 60 Hz Dielectric withstand (line – case) Residual voltage after 1 sec. Operating frequency 50 Agency Approvals UL, CSA, TÜV Table 2 — HAM filter part #30205 specifications Safety Notes Each HAM, HAMD or BAMD module must be preceded by a safety agency recognized fast-blow 10A 3AG fuse. The HAM is not isolated from the line – either input or output; a line isolation transformer must be used when making scope measurements. HAMs do not provide input to output isolation. Differential probes should be used when probing the input and output simultaneously to avoid destructive ground loops. Protective Features Over Temperature Shut Down The HAM is designed to shut down when the temperature of the baseplate exceeds 90°C. Do not operate the HAM above its maximum operating temperature of 85°C. Short Circuit Protection The HAM contains output short circuit protection. Operation of this function does not clear the input fuse and the output will resume normal operation after removal of the fault. A short period of time may be required to allow for cooling of an internal temperature sensor. Output Over Voltage Protection The HAM contains output over voltage protection. In the event the output voltage exceeds approximately 420 Vdc, the boost will decrease to maintain 420 Vdc on the output. When the peak of the AC line exceeds 420 V (approximately 293 Vac) the boost will have been reduced to zero and the E/O line will be pulled low shutting down the converters. Beyond this the protection circuit will be enabled and the output voltage will decrease. MECHANICAL DRAWING 4.60 (116,8) 0.50 (12,7) 0.30±.015 (7,6)±(0,38) 2.10 (53,3) 0.15 (3,8) 3.60 (91,4) 1.80 (45,7) 0.080 (2,0) Dia. (2) places 4 9 3 2 8 7 6 1 5 HAM Pin # 1 2 3 4 5 6 7 8 9 1.40 1.00 (35,6) 0.70 (25,4) 0.40 (17,8) (10,2) .35±.015 (8,9)±(0,38) HAM L1 GATE IN GATE OUT L2/N +OUT P/OK E/O A/S –OUT HAMD +IN GATE IN GATE OUT –IN +OUT P/OK E/O A/S –OUT BAMD +IN GATE IN GATE OUT –IN +OUT N/C N/C A/S –OUT 4.20 (106,7) Product ID this surface Aluminum Base 0.20 (5,08) MIN 0.29 (7,36) MAX 0.50 (12,7) FULL R 0.15 (3,8) 2.40 (61,0) 1.75 (44,5) 0.30 (7,6) Min 0.040 (1,0) Dia (7) places +.030 (0,76) -.000 (0) .01 0.12 (3,0) Figure 14 – HAM / HAMD / BAMD Module Outline Note: Mounting a High Boost HAM and Maxi, Mini or Micro DC-DC converter to the same heat sink will require the use of custom length standoffs or a step in the heat sink mounting surface. This is due to a mechanical stack up difference between the HAM and Maxi, Mini, and Micro converters that leads to incompatible baseplate height above the PCB. Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 HAM, High-Boost Harmonic Attenuation Module Set your site on VICOR at vicorpower.com Rev. 2.5 Page 9 of 10 Warranty Vicor products are guaranteed for two years from date of shipment against defects in material or workmanship when in normal use and service. This warranty does not extend to products subjected to misuse, accident, or improper application or maintenance. Vicor shall not be liable for collateral or consequential damage. This warranty is extended to the original purchaser only. EXCEPT FOR THE FOREGOING EXPRESS WARRANTY, VICOR MAKES NO WARRANTY, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Vicor will repair or replace defective products in accordance with its own best judgement. For service under this warranty, the buyer must contact Vicor to obtain a Return Material Authorization (RMA) number and shipping instructions. Products returned without prior authorization will be returned to the buyer. The buyer will pay all charges incurred in returning the product to the factory. Vicor will pay all reshipment charges if the product was defective within the terms of this warranty. Information published by Vicor has been carefully checked and is believed to be accurate; however, no responsibility is assumed for inaccuracies. Vicor reserves the right to make changes to any products without further notice to improve reliability, function, or design. Vicor does not assume any liability arising out of the application or use of any product or circuit; neither does it convey any license under its patent rights nor the rights of others. Vicor general policy does not recommend the use of its components in life support applications wherein a failure or malfunction may directly threaten life or injury. Per Vicor Terms and Conditions of Sale, the user of Vicor components in life support applications assumes all risks of such use and indemnifies Vicor against all damages. Vicor’s comprehensive line of power solutions includes high density AC-DC and DC-DC modules and accessory components, fully configurable AC-DC and DC-DC power supplies, and complete custom power systems. Information furnished by Vicor is believed to be accurate and reliable. However, no responsibility is assumed by Vicor for its use. Vicor components are not designed to be used in applications, such as life support systems, wherein a failure or malfunction could result in injury or death. All sales are subject to Vicor’s Terms and Conditions of Sale, which are available upon request. Specifications are subject to change without notice. Intellectual Property Notice Vicor and its subsidiaries own Intellectual Property (including issued U.S. and Foreign Patents and pending patent applications) relating to the products described in this data sheet. Interested parties should contact Vicor's Intellectual Property Department. Vicor Corporation 25 Frontage Road Andover, MA, USA 01810 Tel: 800-735-6200 Fax: 978-475-6715 email Customer Service: [email protected] Technical Support: [email protected] Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 HAM, High-Boost Harmonic Attenuation Module Set your site on VICOR at vicorpower.com Rev. 2.5 6/10