IRLR/U3715Z

www.irf.com

5

Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case

Fig 9. Maximum Drain Current vs.

Case Temperature

Fig 10. Threshold Voltage vs. Temperature

25

50

75

100

125

150

175

TC , Case Temperature (°C)

0

10

20

30

40

50

Limited By Package

-75 -50 -25

0

25

50

75 100 125 150 175 200

TJ , Temperature ( °C )

1.0

1.5

2.0

2.5

ID = 250µA

1E-006

1E-005

0.0001

0.001

0.01

0.1

t1 , Rectangular Pulse Duration (sec)

0.01

0.1

1

10

0.20

0.10

D = 0.50

0.02

0.01

0.05

SINGLE PULSE

( THERMAL RESPONSE )

Notes:

1. Duty factor D =

t / t

2. Peak T

= P

x Z

+ T

1

2

J

DM

thJC

C

P

t

t

DM

1

2

τ

J

τ

J

τ

1

τ

1

τ

2

τ

2

τ

3

τ

3

R

1

R

1

R

2

R

2

R

3

R

3

Ci

i

/Ri

Ci=

τi/Ri

τ

τ

C

τ

4

τ

4

R

4

R

4

Ri (°C/W)

τi (sec)

1.1512

0.000082

2.2284

0.000897

0.3256

0.053599

0.0448

0.074119