參數(shù)資料
型號(hào): BYQ28E-200
廠商: NXP Semiconductors N.V.
元件分類: 參考電壓二極管
英文描述: Dual ultrafast power diode
封裝: BYQ28E-200<SOT78 (TO-220AB)|<<http://www.nxp.com/packages/SOT78.html<1<week 1, 2005,;BYQ28E-200/H<SOT78 (TO-220AB)|<<http://www.nxp.com/packages/SOT78.html<1<,;
文件頁(yè)數(shù): 3/10頁(yè)
文件大?。?/td> 67K
代理商: BYQ28E-200
BYQ28_SER_E_ED_4
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 04 — 5 December 2007
3 of 10
NXP Semiconductors
BYQ28 series E and ED
Rectifier diodes ultrafast, rugged
5.
Thermal characteristics
[1]
Device mounted on an FR4 Printed-Circuit Board (PCB), single-sided copper, tin-plated and standard footprint.
Table 4.
Symbol
R
th(j-mb)
Thermal characteristics
Parameter
thermal resistance from junction to
mounting base
Conditions
with heatsink compound;
per diode; see
Figure 1
with heatsink compound;
both diodes conducting
Min
-
Typ
-
Max
4.5
Unit
K/W
-
-
3
K/W
R
th(j-a)
thermal resistance from junction to ambient in free air; SOT78
-
60
50
-
-
K/W
K/W
SOT428
[1]
-
Fig 1.
Transient thermal impedance from junction to mounting base as a function of pulse width
001aag979
10
1
10
2
1
10
Z
th(j-mb)
(K/W)
10
3
t
p
(s)
10
6
1
10
10
1
10
2
10
5
10
3
10
4
t
p
t
p
T
T
P
t
δ
=
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