NXP Semiconductors
BT151-500RT
SCR, 12 A, 15 mA, 500 V, SOT78
103
ITSM
(A)
003aad204
(1)
102
10
10−5
10−4
10−3
IT
ITSM
tp
t
Tj(init) = 25 °C max
tp (s)
10−2
Fig 5. Non-repetitive peak on-state current as a function of pulse width for sinusoidal currents; maximum values
5. Thermal characteristics
Table 5.
Symbol
Rth(j-mb)
Rth(j-a)
Thermal characteristics
Parameter
Conditions
thermal resistance from see Figure 6
junction to mounting
base
thermal resistance from
junction to ambient free
air
Min Typ Max Unit
-
-
1.3 K/W
-
60
-
K/W
10
Zth(j-mb)
(K/W)
1
001aaa962
10−1
10−2
P
tp
δ=
T
10−3
10−5
10−4
10−3
10−2
10−1
tp
t
T
1
10
tp (s)
Fig 6. Transient thermal impedance from junction to mounting base as a function of pulse width
BT151-500RT_1
Product data sheet
Rev. 01 — 18 May 2009
© NXP B.V. 2009. All rights reserved.
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