BCM400y500x1K8A31
General Characteristics
Specifications apply over all line, load conditions, unless otherwise noted; Boldface specifications apply over the temperature range of -40°C ≤ TINTERNAL
≤ 125°C (T-Grade); All other specifications are at TINTERNAL = 25ºC unless otherwise noted.
Attribute
Symbol
Conditions / Notes
Mechanical
Min
Typ
Max
Unit
Length
Width
L
W
H
62.96 / [2.479] 63.34 / [2.494] 63.72 / [2.509] mm / [in]
22.67 / [0.893] 22.80 / [0.898] 22.93 / [0.903] mm / [in]
7.21 / [0.284] 7.26 / [0.286] 7.31 / [0.288] mm / [in]
Height
Volume
Weight
Vol
W
Without heatsink
10.48 / [0.640]
41 / [1.45]
cm3/ [in3]
g / [oz]
Nickel
0.51
0.02
2.03
0.15
Lead finish
Palladium
Gold
µm
0.003
0.051
Thermal
BCM400P500T1K8A31 (T-Grade)
BCM400P500M1K8A31 (M-Grade)
-40
-55
125
125
°C
°C
Operating temperature
TINTERNAL
Estimated thermal resistance to
maximum temperature internal
component from isothermal top
Thermal resistance top side
fINT-TOP
1.33
5.64
°C/W
Estimated thermal resistance to
maximum temperature internal
component from isothermal leads
Thermal resistance leads
fINT-LEADS
°C/W
Estimated thermal resistance to
maximum temperature internal
component from isothermal bottom
Thermal resistance bottom side
Thermal capacity
fINT-BOTTOM
1.29
34
°C/W
Ws /°C
Assembly
BCM400P500T1K8A31 (T-Grade)
BCM400P500M1K8A31 (M-Grade)
Human Body Model,
-55
-65
125
125
°C
°C
Storage Temperature
ESD Withstand
TST
ESDHBM
ESDCDM
"ESDA / JEDEC JDS-001-2012" Class I-C (1kV to < 2 kV)
Charge Device Model,
"JESD 22-C101-E" Class II (200V to < 500V)
BCM® Bus Converter
Page 14 of 23
Rev 1.3
vicorpower.com
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05/2015
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