NXP Semiconductors
BT151X-800R
SCR
BT151X-800R All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved
Product data sheet 16 March 2014 5 / 12
003aaj921
t
p
(s)
10
-5
10
-2
10
-3
10
-4
10
2
10
3
I
TSM
(A)
10
(1)
t
p
T
j(init)
= 25 °C max
I
T
I
TSM
t
Fig. 5. Non-repetitive peak on-state current as a function of pulse width; maximum values
8. Thermal characteristics
Table 5. Thermal characteristics
Symbol Parameter Conditions Min Typ Max Unit
with heatsink compound; Fig. 6 - - 4.5 K/WR
th(j-h)
thermal resistance
from junction to
heatsink
without heatsink compound; Fig. 6 - - 6.5 K/W
R
th(j-a)
thermal resistance
from junction to
ambient
in free air - 55 - K/W
003aaj933
10
-1
10
-2
1
10
Z
th(j-h)
(K/W)
10
-3
t
p
(s)
10
-5
1 1010
-1
10
-2
10
-4
10
-3
t
p
t
p
T
P
t
T
δ =
(2)
(1)
(1) Without heatsink compound
(2) With heatsink compound
Fig. 6. Transient thermal impedance from junction to heatsink as a function of pulse width