NCR401T datasheet(4/12 Pages) NEXPERIA

No. de pieza	NCR401T

Descripción Electrónicos	10 mA LED driver in SOT23

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Fabricante Electrónico	NEXPERIA [Nexperia B.V. All rights reserved]

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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

Rth(j-a)

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.

[2] Device mounted on an FR4 PCB; single-sided copper; tin-plated and mounting pad for collector 1 cm2.

mle127

103

102

10- 5

10- 4

10- 3

10- 2

10- 1

Zth

(K/W)

tp (s)

102

103

δ = 1

0.75

0.33

0.05

0.02

0.01

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

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