Nexperia

BCX56T series

80 V, 1 A NPN power bipolar transistors

6. Thermal characteristics

Table 7. Thermal characteristics

Tamb = 25 °C unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

[1]

-

-

250

K/W

[2]

-

-

157

K/W

Rth(j-a)

thermal resistance from junction to ambient

in free air

[3]

-

-

114

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; mounting pad for collector 1 cm2 .

[3] Device mounted on an FR4 PCB; single-sided copper; tin-plated; mounting pad for collector 6 cm2 .

006aaa235

10-5

10

10-2

10-4

102

10-1

tp (s)

10-3

103

1

102

10

103

Zth

(K/W)

1

duty cycle = 1

0.75

0.5

0.33

0.2

0.1

0.05

0.02

0.01

0

FR4 PCB; single-sided copper; tin-plated and standard footprint

Fig. 2. Transient thermal impedance from junction to ambient as a function of pulse duration; typical values

006aaa236

10-5

10

10-2

10-4

102

10-1

tp (s)

10-3

103

1

102

10

103

Zth

(K/W)

1

duty cycle = 1

0.75

0.5

0.33

0.2

0.1

0.05

0.02

0.01

0

FR4 PCB; single-sided copper; tin-plated; mounting pad for collector 1 cm2

Fig. 3. Transient thermal impedance from junction to ambient as a function of pulse duration; typical values

BCX56T_SER

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Nexperia B.V. 2019. All rights reserved

Product data sheet

Rev. 1 — 22 August 2019

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