Datasheet

cui.com
CUI Inc │ SERIES: PYB20 │ DESCRIPTION: DC-DC CONVERTER date 06/16/2015 │ page 3 of 7
SAFETY AND COMPLIANCE (CONTINUED)
parameter conditions/description min typ max units
conducted emissions CISPR22/EN55022, class A, class B (external circuit required, see Figure 1-b)
radiated emissions CISPR22/EN55022, class A, class B (external circuit required, see Figure 1-b)
ESD IEC/EN61000-4-2, class B, contact ± 4kV
radiated immunity IEC/EN61000-4-3, class A, 10V/m
EFT/burst IEC/EN61000-4-4, class B, ± 2kV (external circuit required, see Figure 1-a)
surge IEC/EN61000-4-5, class B, ± 2kV (external circuit required, see Figure 1-a)
conducted immunity IEC/EN61000-4-6, class A, 3 Vr.m.s
voltage dips & interruptions IEC/EN61000-4-29, class B, 0%-70%
MTBF as per MIL-HDBK-217F @ 25°C 1,000,000 hours
RoHS 2011/65/EU
ENVIRONMENTAL
parameter conditions/description min typ max units
operating temperature see derating curves -40 85 °C
storage temperature -55 125 °C
storage humidity non-condensing 5 95 %
case temperature at full load, Ta=71°C 105 °C
vibration 10~55 Hz for 30 min. along X, Y and Z axis 10 G
SOLDERABILITY
parameter conditions/description min typ max units
hand soldering 1.5 mm from case for 10 seconds 300 °C
wave soldering see wave soldering prole 260 °C
MECHANICAL
parameter conditions/description min typ max units
dimensions
board mount: 50.8 x 25.4 x 11.8
board mount with heatsink: 50.8 x 25.4 x 16.3
mm
mm
case material aluminum alloy
weight
board mount
board mount with heatsink
28
36
g
g
0
50
100
150
200
250
Time (sec.)
Temperature ()ć
Peak.Temp 260 Maxć
10 MaxSec
Every Wave Solderin
g
Time 4 sec.Max
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