PRELIMINARY
Data Sheet
TM
45
• Harmonic Current Attenuation to
ENMods
Component Power
Front End System
for EN Compliance
Features
EN61000-3-2
• EMI Filtering to
EN55022, Level B
• Transient Immunity to
EN61000-4-5
• 575W Rated Power Output
• Autoranging 115/230Vac Input
• Microprocessor Control
• Inrush Current Limiting
Each module:
2.28 x 2.2 x 0.5 in
57,9 x 55,9 x 12,7 mm
Product Highlights
The ENMods system is a new AC front end
solution for compliance to electromagnetic
compatibility (EMC) standards. It consists of
the MiniHAM — a passive harmonic
attenuation module and the FARM3 — an
auto ranging AC-DC front end module.
Combined with the filtering and hold-up
capacitors as specified herein, the ENMods
system provides full compliance to:
Absolute Maximum Ratings
Parameter
Rating
Unit
Vrms
Vrms
Vdc
Notes
Continuous
100ms
L to N voltage (FARM3)
L to N voltage (FARM3)
+Out to –Out voltage (FARM3)
BOK to –Out voltage (FARM3)
EN to –Out voltage (FARM3)
Mounting torque
264
280
400
16
Vdc
Vdc
16
4-6(0.45-0.68) in-lbs (N-m)
6 each, 4-40 screw
<5 sec; wave solder
<7 sec; hand solder
EN61000-3-2 Harmonic Current
EN55022, Level B Conducted Emissions
EN61000-4-5 Surge Immunity
Pin soldering temperature
Pin soldering temperature
Output current
500 (260)
750 (390)
3.5
°F (°C)
°F (°C)
A
EN61000-4-11 Line Disturbances
Thermal Resistance
The MiniHAM is the first passive product
specifically designed for compliance to EN
harmonic current limits. Unlike active PFC
solutions, the MiniHAM generates no EMI,
greatly simplifying and reducing system
noise filtering requirements. It is also
Parameter
Typ
0.16
0.14
8.0
Unit
Baseplate to sink; flat, greased surface
Baseplate to sink; with thermal pad (P/N 20264)
Baseplate to ambient
°C/Watt
°C/Watt
°C/Watt
°C/Watt
Baseplate to ambient; 1000 LFM
1.9
considerably smaller and more efficient than
active alternatives and improves MTBF by
an order of magnitude. Optimized for
operation on the DC bus (provided by the
FARM3) rather than directly on the AC line,
it will provide harmonic current compliance
up to 600W of input power at 230Vac.
Part Numbering
EN1
C
1
1
Product
Type*
Product Grade
Baseplate
1 = Slotted
2 = Threaded
3 = Thru-hole
Pin Style**
1 = Short Pin
2 = Long Pin
S = Short ModuMate
N = Long ModuMate
C = –20°C to +100°C
T = –40°C to +100°C
H = –40°C to +100°C
M = –55°C to +100°C
The 115/230Vac input FARM3 is a new
member of Vicor’s Filter and Autoranging
Module product line that has been optimized
for use as the front end for the MiniHAM.
Both modules are in Vicor’s standard Mini
half-brick package. Together with Vicor’s
1st or 2nd Generation 300V input DC-DC
converters, they form the basis of a low
noise, high efficiency, rugged, simple and
reliable EN compliant power system.
*EN1 product includes one each MiniHAM and FARM3 with same product grade, pin and baseplate style.
**Pin styles S & N are compatible with the ModuMate interconnect system for socketing and surface mounting.
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
ENMods System: FARM3 and MiniHAM
Rev. 1.3
Page 1 of 12
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