Nexperia

NCR401T

10 mA LED driver in SOT23

NCR401T

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Product data sheet

16 October 2015

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9. Thermal characteristics

Table 6.

Thermal characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

[1]

-

-

465

K/W

thermal resistance

from junction to

ambient

in free air

[2]

-

-

312

K/W

[1] Device mounted on an FR4 PCB; single-sided copper; tin-plated and standard footprint.

mle127

10

1

1

(K/W)

10

δ = 1

0.75

0.33

0.05

0.02

0.01

0

0.5

0.2

0.1

FR4 PCB, single sided copper, standard footprint

Fig. 2. Transient thermal impedance as a function of pulse time; typical values