TDK-EPC Power Application Training for Distribution Q2/09

Passive Components for Power!

Boost inductorFerrite transformer Output filtering

AC input90V...275V H-brigde

rectifier

+12V

+5V

~

~

-

+

DC-link capacitor

Rectifier

Y-Caps

Current compensated choke

Varistor

NTCMains

X-C

aps

X-C

aps

PTC

1. Varistors (leaded, strap & block), PTC or NTC Inrush Current Limiter2. Common mode choke, X capacitors and Y capacitors for EMI3. Boost inductor or DC link choke4. DC Link capacitors (Al Snap-in & Radial or Boxed Film)5. Ferrite transformer (variety of core, bobbin shapes & sizes)6. Output filter (Inductors and Film, Aluminum, or MLC caps)7. Current sense and/or gate drive transformer

Solutions for SM Power Supply Manufacturers

TDK-EPC Power Application Training for Distribution Q2/09

Passive Components for Power!

Snap-In & Radial

Standard Duty Leaded Disk

DC

Bu

s C

aps

(Al

El

& F

ilm

)T

VS

S

MO

Vs

B41xxx, B43xxx

B722xx … K 101 (UL, CSA)

Up to 10kA surge capability 130Vrms to 680Vrms (to 440 J)

SMT Power Inductors

B8246x, B8247x, B8255x

2x2x1mm to 18.5x15.3x7.3mmIR = 0.11A to 71A

Shielded & open, Round & flat wire

Radial, 2-pin, 4-pin & Solder Pin 85°C-140°C, 10VDC to 500VDC

Type Series Attributes Product

Common Mode Chokes

MKP DC Link

B827xx

B3267 (optimized Power)

B3277 (optimized Density)

450VDC - 1050VAC, 0.47µF to 60µF450VDC - 1300VDC, 1.5µF to 110µF

Dual, Triple & Quad chokesVR(AC) = 250V, 440V, 690V

IR = 0.25A – 200A

EMI CapacitorsX2 305VAC, Y2 300VAC,X1 330VAC, Y1 250VAC

UL1414, UL1283, CSA C22.2, EN 60384-14

B3292x, B3202x, B3291x, B81123

Fil

m

Power Transformers

Isense & Gate Drive Xfrmrs

EM

C

Fil

ters

B82801

B78…EP, ER, E, EV, EHP, EF, EFD, ELP, R & RM

SMD & PTH, Pout up to 200WMultiple outputs, choice of insulation

SMD & PTH1:20 to 1:125 turns ratio

7A (DCR=2.5mΩ) & 20A (DCR=0.6mΩ)

ICL Leaded or

HousedNTC: B57xxxS

PTC: B59209-J… NTC - 20A Iss, PTC - 800VDC

Solutions for SM Power Supply Manufacturers