Poower Sup
pply Prooducts
Ultrra Compact On
nboard Type
AC-DC Power Supply KW
WS-A Seeries
Adeesign eliminnates the neeed for exteernal compoonents
・ Ultimate convvenience: All-in-one
・ Exxtremely smmall dimensions: 66% ssmaller foottprint compa
ared to exissting produc
ct (KWS10)
ober 1, 2015
5Octo
TDK Corporation announce
es the succe
essful deve
elopment of the KWS-A
A series of ultraucomp
pact onboarrd type pow
wer suppliess to be markketed underr the TDK-LLambda brand. Thelineu
up comprisees four modeels rated fo r 5 W, 10 W,
W 15 W, and 25 W, to meet a wide range ofcusto
omer needss. TDK-Lam
mbda Corporration will start accepting orders foor the new productfrom October, and shipping
g will begin in Novembe
er 2015.
The KWS-A serries productts are onboa
ard type sw
witching AC--DC power ssupplies deevelopedfor usse mainly ono control booards in a w
wide range of equipment. The seriies adopts ana all-inone d
design aime
ed at maxim
mizing user convenienc
ce by makinng board deesign as eas
sy asposssible for the customer. ThereTis noo need to pro
ovide parts such as fusses or electtrolytic
capa
acitors exterrnally.
The new producct also contrributes to siignificant sp
pace saving
gs. Compareed to the exxistingproduct (KWS100), a reducttion in footp
print requirements by ass much as 666% has be
een
achie
eved throug
gh drastic miniaturizatio
mon. Require
ements suchh as high effficiency and
d low
stand
dby power consumptio
con are being
g met throug
gh improvedd efficiencyy which is 6%% better
than earlier moddel (KWS100-12 with 20
00 V AC inp
put). No-loadd power connsumption has
h beenreducced to 0.5 watts
wor less
s. In additio
on, the products are ratted for a widde operating
temp
perature rannge (-10ºC tot +85ºC, sttart up at -4
40ºC to -10ººC).
----Mainn applicatioons• Co
ontrol boardss in control anda measurring equipme
ent, NC mac
chine tools, ssemiconducctorma
anufacturing
g equipment, communic ation equipm
ment, traffic supervisionn equipment etc.

Mainn features• Ulttimate conve
enience: All--in-one desi gn eliminate
es need for external
ecom
mponents su
uch asfusses and elecctrolytic capaacitors• Ex
xtremely com
mpact dimennsions: 66% smaller footprint compa
ared to existting productt (KWS10)• Hig
gh efficiencyy: 88% (KWS25A-24, w
with 200 V ACC input)• Noo-load power consumption: 0.5 W oor less
• Wiide operating temperatu
ure range: -1
10°C to +85°°C(-10°C to +55°°C, load facttor 100% *sstart up at -4
40ºC to -10ºCC)----TDK CCorporation1/ 2Key data KWS--A series
ModeelInput Voltage Rannge
Efficieency at 24V (200VAC typp.)
Nomiinal Output Voltage
VMaximmum Output PowerK
KWS5A
77%
5W

Operrating TempeeratureNo Lo
oad Power Consumption
C(typ.)(with 200VAC inpput)
SafettyEMI
Size (W x H x D mm)
mBoardd Type
Warraanty

KWS10AA
KWS
S15A
KWS25A
85 to 265 VA
AC / 120 to 3370 VDC
84%
855%
88%
5/12
2/15/24 VDC
C10 W
155 W
25 W
-100°C to +85°C
C (with outpuut derating)*Start up at -40ºC to --10ºC0.5 W Max

UL
L60950-1, CS
SA60950-1, EEN60950-1
ENN55011/EN555022-B, FCC
C-B, VCCI-B
B (Need Exteernal parts)
EN555011/EN550022-A, FCC--A, VCCI-A ( No Need Exxternal parts)
25.4 x 21.5 x 38.1
25.4 x 24 x
25.4
2x 29 x
(1˝ x 1.5˝)
50.8 (11˝ x 2˝) 63.5 (1˝ x 2.5˝)Double-Sided Boaard
3 years----Abouut TDK Corp
poration
TDK Corporation is a leading electronics ccompany bas
sed in Tokyoo, Japan. It w
was establish
hed in 1935
to commmercialize ferrite, a key
y material in electronic an
nd magnetic products. TD
DK's portfolioo includes
electrronic components, modules and syste
ems* marketted under thee product braands TDK an
nd EPCOS,
poweer supplies, magnetic
mappplication prod
ducts as well as energy devices,d
flashh memory ap
pplication
devicces, and othe
ers. TDK focu
uses on dem
manding markkets in the arreas of inform
mation andcommmunication teechnology annd consumerr, automotivee and industrial electroniccs. The comppany has anetwo
ork of designn and manufa
acturing loca
ations and sa
ales offices inn Asia, Europpe, and in No
orth andSouthh America. Inn fiscal 2015, TDK posted
d total sales of USD 9.0 billion and em
mployed abo
out 88,000
people worldwidee.
*

The product porttfolio includes ceramic, aaluminum ele
ectrolytic and film capacitoors, ferrites, inductors,
high-ffrequency coomponents suchs
as surfa
ace acoustic wave (SAW) filter produccts and modules, piezoand pprotection coomponents, anda sensors.
Abouut TDK-Lambda CorporrationTDK--Lambda Corrporation, a groupgcompaany of TDK Corporation,
Cis a leading global power supply
comppany providin
ng highly relia
able power ssupplies for industrial equuipment worl dwide. TDK--Lambda
Corpo
oration meetts the variouss needs of cu
ustomers witth our entire range of acttivities, from researchand ddevelopmentt through to manufacturinmng, sales, andd service with bases in fivve key areass, covering
Japann, Europe, America,AChinna, and Asia .

----The ttext of this reelease and reelated imagees can be dow
wnloaded froom
http:///www.tdk-la
ambda.co.jp/aabout/press/2
20151001_1.html.
Furth
her informatioon on the prooducts can bee found undeer
wwww.tdk-lambda
a.com/produc
cts/sps/ps_on
nboard/kws-a
a/indexe.htm
ml.

----ediaConttact for me
ConttactDeepartment

PhoneeMail

Mr. TTeshima

DK CorporationnTDCo
orporate Comm
munications Grroup+81 3 6852-7102

pr@jp.tdk.commTDK CCorporation2/ 2