MBR150, MBR160

http://onsemi.com

3

THERMAL CHARACTERISTICS

Figure 4. Thermal Response

0.1

0.2

0.5

1.0

2.0

5.0

10

20

50

100

200

500

1 k

2 k

5 k

10 k

0.07

0.05

0.03

0.02

0.01

0.1

t, TIME (ms)

0.7

0.5

0.3

0.2

1.0

TIME

of an equivalent square

power pulse.

temperature r(t) = normalized value of transient thermal resistance

.

Figure 5. Steady−State Thermal Resistance

Figure 6. Typical Capacitance

3/4

0

L, LEAD LENGTH (INCHES)

90

80

60

70

50

50

80

0

60

40

30

20

40

30

20

3/8

1/8

1/4

1/2

5/8

7/8

1.0

60

70

10

20

30

40

50

70

80

10

100

200

BOTH LEADS TO HEATSINK,

EQUAL LENGTH

MAXIMUM

TYPICAL

100

90

f = 1 MHz

NOTE 1. — MOUNTING DATA:

Data shown for thermal resistance junction−to−ambient

guideline values for preliminary engineering or in case the

tie point temperature cannot be measured.

Mounting

Method

Lead Length, L (in)

1/8

1/4

1/2

3/4

1

52

65

72

85

°C/W

2

67

80

87

100

°C/W

3

—

50

°C/W

NOTE 2. — THERMAL CIRCUIT MODEL:

(For heat conduction through the leads)

)