PUML1 NXP Semiconductors, PUML1 Datasheet - Page 4

• Manufacturer Part Number: PUML1
• Description: 50 V, 200 Ma Npn General-purpose Transistor/ 100 Ma Npn Resistor-equipped Transistor
• Manufacturer: NXP Semiconductors

NXP Semiconductors
6. Thermal characteristics
PUML1_DG_1
Product data sheet
Fig 2.
Z
( K/W )
th(j-a)
10
10
10
1
3
2
10
FR4 PCB, standard footprint
Per transistor: Transient thermal impedance from junction to ambient as a function of pulse duration
5
duty cycle =
0.05
0.02
0.01
0.5
0.2
0.1
1
0
0.75
0.33
10
4
Table 6.
[1]
Symbol
Per transistor
R
Per device
R
th(j-a)
th(j-a)
Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint.
10
Parameter
thermal resistance from junction
to ambient
thermal resistance from junction
to ambient
Thermal characteristics
3
10
50 V, 200 mA NPN general-purpose transistor/100 mA NPN RET
2
Rev. 01 — 14 July 2008
10
1
Conditions
in free air
in free air
1
10
[1]
[1]
Min
-
-
PUML1/DG
10
2
Typ
-
-
© NXP B.V. 2008. All rights reserved.
t
p
006aab255
(s)
Max
625
417
10
3
Unit
K/W
K/W
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