Datasheet

RUW15 Series

Isolated Ultra-Wide Input DC/DC Converters

KDC_RUW15.B02 Page 7 of 13

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SURGE SUPPRESSION (continued)

TABLE 4. SUGGESTED SURGE LIMITER COMPONENTS 110VDC NOMINAL

Ref Description Ref Description Ref Description Ref Description

C1 CAPACITOR 47uF 200V D5 DIODE, ZENER, 2.7V,

0.5W, DO-35

R2,

RESISTOR, CARBON FILM,

100K, 0.25W, 5%

R7 RESISTOR, SURGE, 33R,

2W, 250V, 5%

C2 CAPACITOR, DISC, 100V,

390PF

D6 DIODE, 3A, 600V R3 RESISTOR, 10K, 0.25W,

R9 RESISTOR, 220K, 0.25W,

D1,

DIODE, ZENER, 15V,

1.3W, 5%, DO41

Q1,

MOSFET, P, TO-220 R4 RESISTOR, 0.25W 5%

5K6

R10 RESISTOR, CARBON FILM,

1K, 0.25W, 5%

D3 DIODE, ZENER, 5.1V,

500MW, DO-35

Q3 MOSFET,N CH,

500V,0.5A,TO92

R5 RESISTOR, 0.25W 1%

430K

R12 RESISTOR, SURGE, 10R,

2W, 250V, 5%

D4 DIODE, TVS, 440V,

1.5KW

R1 RESISTOR, CARBON FILM,

4K7, 0.25W, 5%

R6,

R11

RESISTOR, 0.25W 1%

36K

U1 SHUNT REG ADJ

+2.5/36V, TO92-3, 431