Motorola MURD320 Datasheet

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SEMICONDUCTOR TECHNICAL DATA

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DPAK Surface Mount Package

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by MURD320/D

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. . . designed for use in switching power supplies, inverters and as
free wheeling diodes, these state–of–the–art devices have the
following features:

• Ultrafast 35 Nanosecond Recovery Time

• Low Forward Voltage Drop

• Low Leakage

Mechanical Characteristics:

• Case: Epoxy, Molded

• Weight: 0.4 gram (approximately)

• Finish: All External Surfaces Corrosion Resistant and Terminal

Leads are Readily Solderable

• Lead and Mounting Surface Temperature for Soldering

1

Purposes: 260°C Max. for 10 Seconds

• Shipped 75 units per plastic tube

3

• Available in 16 mm Tape and Reel, 2500 units per reel, by
adding a “T4’’ suffix to the part number

• Marking: U320

MAXIMUM RATINGS

Rating Symbol Value Unit

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage
Average Rectified Forward Current (TC = 158°C, Rated VR) I
Peak Repetitive Forward Current

(Rated VR, Square Wave, 20 kHz, TC = 158°C)
Nonrepetitive Peak Surge Current

(Surge applied at rated load conditions, halfwave, 60 Hz)
Operating Junction and Storage Temperature TJ, T

THERMAL CHARACTERISTICS

Thermal Resistance, Junction to Case

Junction to Ambient (1)

ELECTRICAL CHARACTERISTICS

Maximum Instantaneous Forward Voltage Drop (2)

(iF = 3 Amps, TJ = 25°C)

(iF = 3 Amps, TJ = 125°C)
Maximum Instantaneous Reverse Current (2)

(TJ = 25°C, Rated dc Voltage)

(TJ = 125°C, Rated dc Voltage)
Maximum Reverse Recovery Time

(IF = 1 Amp, di/dt = 50 Amps/µs, VR = 30 V, TJ = 25°C)

(IF = 0.5 Amp, iR = 1 Amp, I

(1) Rating applies when surface mounted on the minimum pad sizes recommended.
(2) Pulse Test: Pulse Width = 300 µs, Duty Cycle ≤ 2.0%.

= 0.25 A, VR = 30 V, TJ = 25°C)

REC

MURD320 is a

Motorola Preferred Device

ULTRAFAST RECTIFIERS

3 AMPERES

200 VOL TS

1

4

V

RRM

V

RWM

F(AV)

I

FRM

I

FSM

R
R

V

θJC
θJA

v

i

R

t

rr

R

stg

F

3

CASE 369A–13

DPAK

200 Volts

3 Amps
6 Amps

75 Amps

–65 to +175 °C

6

80

0.95

0.75

5

500

35
25

4

°C/W

Volts

µA

ns

SWITCHMODE is a trademark of Motorola, Inc.

Preferred devices are Motorola recommended choices for future use and best overall value.

Rev 1

Rectifier Device Data

 Motorola, Inc. 1996

1

MURD320

100

70

50

30

20

10

7.0

5.0

3.0

2.0

, INSTANTANEOUS FORWARD CURRENT (AMPS)

F

i

1.0

0.7

0.5

0.3

0.2

0.1
0 0.60.2 0.8

150°C

0.4

vF, INSTANTANEOUS VOLTAGE (VOLTS)

Figure 1. T ypical Forward Voltage

TJ = 25°C175°C

100°C

1.0 1.2

1.4

80
40

20

m

8.0

4.0

2.0

0.8

0.4

0.2

0.08

0.04

, REVERSE CURRENT ( A)

0.02

R

I

0.008

0.004

0.002
06040 100 120

20 80 200

VR, REVERSE VOLTAGE (VOLTS)

TJ = 175°C

150°C

100°C

25°C

160 180140

Figure 2. T ypical Reverse Current*

* The curves shown are typical for the highest voltage device in the
voltage grouping. Typical reverse current for lower voltage selections
can be estimated from these curves if V
VR.

14
13
12
11
10

, AVERAGE POWER DISSIPATION (WA TTS)

F(AV)

P

9.0

8.0

7.0

6.0

5.0

4.0

3.0

2.0

1.0
0

IPK/IAV = 20

1.0 10

0 3.02.0

I

F(AV )

10

, AVERAGE FORW ARD CURRENT (AMPS)

is sufficiently below rated

R

SINE WAVE

SQUARE WAVE

5.0

TJ = 175°C

6.05.04.0 9.08.07.0

Figure 3. Average Power Dissipation

dc

8.0

7.0

6.0

5.0

4.0

3.0

2.0

, AVERAGE FORW ARD CURRENT (AMPS)

1.0

F(AV)

I

2

RATED VOLTAGE APPLIED

R

q

JC

SINE WAVE

OR

SQUARE WAVE

TJ = 175°C

0

100

110 120 130 140 150 160 170 180

TC, CASE TEMPERATURE (°C)

Figure 4. Current Derating, Case

= 6°C/W

dc

4.0

3.5

3.0

2.5

2.0

1.5

1.0

, AVERAGE FORW ARD CURRENT (AMPS)

0.5
0

F(AV)

I

020

Figure 5. Current Derating, Ambient

RATED VOLTAGE APPLIED

SURFACE MOUNTED ON

MIN. PAD SIZE RECOMMENDED

dc

SINE WAVE

OR

SQUARE WAVE

40 60 80 100

TA, AMBIENT TEMPERATURE (

R

= 80°C/W

q

JA

TJ = 175°C

120 140 160 180 200

°

C)

Rectifier Device Data