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Features

High current carrying capability

High surge current capability

Types up to 1200V V

RRM

Stud cathode and stud anode version

Standard JEDEC types

Diffused junction

Typical  Applications

Battery chargers

Converters

Power supplies

Machine tool controls

I

F(AV)

300

A

@ T

C

125

°C

I

F(RMS)

470

A

I

FSM

@

 

50Hz

5000

A

@ 60Hz

5200

A

I

2

t

@

 

50Hz

125

KA

2

s

@ 60Hz

113

KA

2

s

V

RRM

 range

400 to 1200

V

T

J

-40 to 180

°C

Parameters

300HF(R)

Units

Major Ratings and Characteristics

case style

DO-205AB (DO-9)

300HF(R) SERIES

300A

STANDARD RECOVERY DIODES

Stud Version

Bulletin I2021/A

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300HF(R)  Series

Voltage

 V

RRM

 , maximum repetitive

V

RSM

 

, maximum non-

I

RRM 

max.

Type number

 Code

peak voltage

repetitive peak voltage

@ 180°C

V

V

mA

40

400

500

 300HF(R)

80

800

900

20

120

1200

1300

ELECTRICAL SPECIFICATIONS

Voltage Ratings

I

F(AV)

Max. average forward current

300

A

180° conduction, half sine wave

@ Case temperature

125

°C

I

F(RMS)

Max. RMS forward current

470

A

DC @ 118°C case temperature

I

FSM

Max. peak, one-cycle forward,

5000

t = 10ms

No voltage

non-repetitive surge current

5200

t = 8.3ms

reapplied

3800

t = 10ms

100% V

RRM

4000

t = 8.3ms

reapplied

Sinusoidal half wave,

I

2

t

Maximum I

2

t for fusing

125

t = 10ms

No voltage

Initial T

J

 = T

J

 max

113

t = 8.3ms

reapplied

72

t = 10ms

100% V

RRM

66

t = 8.3ms

reapplied

I

2

t

Maximum I

2

t for fusing

1250

KA

2

s

t = 0.1 to 10ms, no voltage reapplied

V

F(TO)1

Low level value of threshold

voltage

V

F(TO)2

High level value of threshold

voltage

r

f1

Low level value of forward

slope resistance

r

f2

High level value of forward

slope resistance

V

FM

Max. forward voltage drop

1.38

V

I

FM

=

 π

 x I

F(AV)

, T

J

 = 25 °C, t

p

 = 10ms sinusoidal wave

Parameter

300HF(R)

Units Conditions

Forward Conduction

0.86

(16.7% x 

π

 x I

F(AV)

 < I < 

π

 x I

F(AV)

), T

J

 = T

J

 max.

0.89

(I > 

π

 x I

F(AV)

), T

J

 = T

J

 max.

0.48

(16.7% x

 π

 x I

F(AV)

 < I <

 π

 x I

F(AV)

), T

J

 = T

J

 max.

0.46

(I > 

π

 x I

F(AV)

), T

J

 = T

J

 max.

KA

2

s

A

V

m

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300HF(R)  Series

Parameter

300HF(R)

Units

Conditions

°C

T

J

Max. operating temperature range

-40 to 180

T

stg

Max. storage temperature range

-55 to 180

R

thJC

Max. thermal resistance, junction to case

0.12

DC operation

R

thCS

Max. thermal resistance, case to heatsink

0.05

Mounting surface, smooth, flat and greased

T

Max. allowed mounting torque +0 -20%

28

Not lubricated threads

22

Lubricated threads

wt

Approximate weight

250

g

Case style

DO-205AB(DO-9)

 See Outline Table

K/W

Nm

Thermal and Mechanical Specification

R

thJC

 Conduction

(The following table shows the increment of thermal resistence R

thJC

 when devices operate at different conduction angles than DC)

180°

0.030

0.022

T

J

 = T

J

 max.

120°

0.035

0.037

90°

0.045

0.048

K/W

60°

0.064

0.066

30°

0.104

0.105

Conduction angle

Sinusoidal conduction

Rectangular conduction Units

Conditions

Ordering Information Table

300

HF

R

120

P

B

1

4

5

2

3

6

Device Code

1

-

Essential Part Number

2

-

Diode

3

-

None = Stud Normal Polarity (Cathode to Stud)

R = Stud Reverse Polarity (Anode to Stud)

4

-

Voltage code: Code x 10 = V

RRM 

(See Voltage Ratings table)

5

-

P = Stud base DO-205AB(DO-9) 3/4" 16UNF-2A

M = Stud base DO-205AB(DO-9) M16 x 1.5

6

-

B = Flag top terminals (for Cathode/ Anode Leads)

S = Isolated lead with silicone sleeve

(Red = Reverse Polarity; Blue = Normal Polarity)

None = Not isolated lead

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300HF(R)  Series

Outline Table

Conform to JEDEC DO-205AB (DO-9)

All dimensions in millimeters (inches)

DO-205AB (DO-9) Flag

All dimensions in millimeters (inches)

M

AX.

GLASS-METAL SEAL

MAX.

M

AX.

2

1

 (

0

.8

2

)

MA

X

.

 19 (0.75)

9

.5 (

0

.3

7)

 M

IN

.

DIA. 8.5 (0.33) NOM.

7

5

 (2

.9

5

) MI

N

.

DIA. 28.5 (1.08) MAX.

2

8

.5

 (

1

.1

2

)

1

0

 (

0

.3

9

)

SW 32

* FOR METRIC DEVICE: M16 X 1.5

20

(7

.8

7)

 ±

 1

0

 (

0

.3

9

)

3/4-16UNF-2A*

C.S. 25mm

4 (0.16) MAX.

39

 (

1

.5

3

)

MA

X

.

2

(0.039 s.i.)

MA

X

.

GLASS-METAL SEAL

MA

X

.

2

1

 (

0

.83)

MA

X

.

DIA. 28.5 (1.12) MAX.

28.

5 (

1

.1

2)

10 (

0

.39)

21 (0.83)

14 (0.55)

DIA. 6.5 (0.26)

3

 (

0

.12)

32 (

1

.2

6

)

3/4"-16UNF-2A*

*FOR METRIC DEVICE: M16 X 1.5

7

0

 (

2

.75)

 M

A

X

.

1

3

 (

0

.51)

62 (

2

.4

4

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300HF(R)  Series

Fig. 1 - Current Ratings Characteristics

Fig. 2 - Current Ratings Characteristics

0

20

40

60

80 100 120 140 160 180

Maximum Allowable Ambient Temperature (°C)

R

    

    

  =

 0

.0

5 K

/ W

 - D

e

lta

 R

th

SA

0

.1

 K

/W

0.2

 K

/W

0.3

 K/

W

0.4

  K/W

0.6 K

/ W

0.8 K

/ W

1.2 K/ W

0

100

200

300

400

500

600

0

100

200

300

400

500

DC

180°

120°

90°

60°

30°

RMS Limit

Cond uction Period

M

a

xi

m

u

m

 A

v

er

age 

F

o

rw

ar

d P

o

w

e

r L

o

ss

 (

W

)

Average Forward Current (A)

300HF(R) Series

T   = 180°C

J

120

130

140

150

160

170

180

0

50

100

150

200

250

300

350

30°

60°

90°

120°

180°

Average Forwa rd Current (A)

Conduction Angle

M

a

xi

mu

m A

llo

w

a

b

le

 C

a

se

 T

e

mp

e

ra

tu

re

 (°

C

)

300HF(R) Series

R           (DC) = 0.12 K/W

thJC

Fig. 4 - Forward Power Loss Characteristics

Fig. 3 - Forward Power Loss Characteristics

110

120

130

140

150

160

170

180

0

100

200

300

400

500

DC

30°

60°

90°

120°

180°

Conduc tion Period

M

a

x

im

u

m

 A

llo

w

abl

e

 C

a

se

 T

e

m

per

at

u

re

 (

°C

)

Average Forward Current (A)

300HF(R) Series

R          (DC) = 0.12 K/W

thJC

0

20

40

60

80 100 120 140 160 180

Maximum Allowable Ambient Temperature (°C)

0.3

 K

/ W

0.4

 K

/ W

0.5

 K/

W

0.6 

K/ W

0.8 K

/W

R

   

   

   

 =

 0

.0

5

 K

/W

 - 

D

e

lta

 R

0.2

 K

/ W

0

.1

 K

/W

1.2 K/W

th

SA

0

50

100

150

200

250

300

350

400

0

50

100

150

200

250

300

350

180°

120°

90°

60°

30°

RMS Limit

Conduction Angle

M

a

xi

m

u

m

 A

v

e

rage

 F

o

rw

ar

P

o

w

e

r L

o

ss

 (

W

)

Average Forward Current (A)

300HF(R) Series

T   = 180°C

J

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300HF(R)  Series

Fig. 8 - Thermal Impedance Z

thJC

 Characteristic

0.001

0.01

0.1

1

0.001

0.01

0.1

1

10

Sq ua re Wa ve Pulse Duratio n (s)

thJ

C

Tr

an

si

en

t T

h

e

rm

a

l I

m

pe

da

n

c

e

 Z

    

   

   

(K

/W

)

300HF(R) Series

St ead y Sta te  Value:

R         = 0.12 K/ W

(DC  Op e ra tion)

thJC

10

100

1000

10000

0.5

1

1.5

2

2.5

3

3.5

T  = 25°C

J

Instantaneous Forward Voltage (V)

In

st

a

n

ta

n

eous

 F

o

rw

a

rd

 C

u

rr

ent

 (

A

)

300HF(R) Series

T  = 180°C

J

1000

1500

2000

2500

3000

3500

4000

4500

1

10

100

Number Of Equa l Amplitude Half Cyc le Current Pulses (N)

P

e

ak

 H

a

lf

 S

in

e

 W

a

v

e

 F

o

rw

ar

d C

u

rr

e

n

(A

)

300HF(R) Series

Initial T  = 180 °C

@ 60 Hz 0.0083 s

@ 50 Hz 0.0100 s

J

At Any Ra ted Load Condition And With

Rated V        Applied Following Surge.

RRM

1000

1500

2000

2500

3000

3500

4000

4500

5000

5500

0.01

0.1

1

Pulse Train Duration (s)

P

eak

 H

a

lf 

S

ine

 W

a

v

e

 F

o

rw

a

rd C

u

rr

e

n

t (

A

)

Initial T  = 180°C

No Voltage Reapplied

Rated V       Reapplied

RRM

Versus Pulse Tra in Duration.

Maximum Non Repetitive Surge Current

J

300HF(R) Series

Fig. 6 - Maximum Non-Repetitive Surge Current

Fig. 5 - Maximum Non-Repetitive Surge Current

Fig. 7 - Forward Voltage Drop Characteristics

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