NXP Semiconductors
PMBT3904M
40 V, 200 mA NPN switching transistor
800
P
tot
(mW)
(1)
006aab602
600
400
(2)
200
0
−75
−25
25
75
125
175
T
amb
(°C)
(1) FR4 PCB, mounting pad for collector 1 cm
2
(2) FR4 PCB, standard footprint
Fig 1.
Power derating curves SOT883 (SC-101)
6. Thermal characteristics
Table 6.
Symbol
R
th(j-a)
Thermal characteristics
Parameter
thermal resistance from
junction to ambient
Conditions
in free air
Min
-
-
Typ
-
-
Max
481
212
Unit
K/W
K/W
[1]
[2]
[3]
Reflow soldering is the only recommended soldering method.
Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint.
Device mounted on an FR4 PCB, single-sided copper, tin-plated, mounting pad for collector 1 cm
2
.
PMBT3904M_1
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 01 — 21 July 2009
3 of 11
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