Datasheet STTH302 Datasheet (SGS Thomson Microelectronics)

®

HIGH EFFICIENCY ULTRAFAST DIODE

MAIN PRODUCT CHARACTERISTICS

STTH302

I

F(AV)

V

RRM

3A

200 V

Tj (max) 175 °C

(max) 0.75 V

V

F

trr (max) 35 ns

FEATURES AND BENEFITS

Very low conduction losses

■

Negligible switching losses

■

Low forward and reverse recovery times

■

High junction temperature

■

DESCRIPTION

The STTH302 which is using ST's new 200V
planar technology, is specially suited for switching
mode base drive & transistor circuits.

The device is also intended for use as a free
wheeling diode in power supplies and other power
switching applications.

ABSOLUTE RATINGS (limiting values)

DO-201AD

STTH302

Symbol Parameter Value Unit

V

RRM

I

F (AV)

I

FSM

T

stg

Tj

Repetitive peak reverse voltage
Average forward current TI = 107°C δ = 0.5
Surge non repetitive forward current tp= 10ms Sinusoidal
Storage temperature range
Maximum operating junction temperature

200 V

3A

130 A

-65to+175 °C
175 °C

THERMAL PARAMETERS

Symbol Parameter Value Unit

Rth (j-a)

* Oninfiniteheatsink with 10mm lead length.

November 2001 - Ed: 1A

Junction-ambient*

25 °C/W

1/5

STTH302

STATIC ELECTRICAL CHARACTERISTICS

Symbol Parameter Test Conditions Min. Typ. Max. Unit

*

I

R

V

F

Pulse test:*tp=5ms,δ<2%

Reverse leakage current T

**

Forward voltage drop T

** tp = 380 µs, δ <2%

= 25°C VR=V

j

= 125°C

T

j

= 25°C IF=3A

j

T

= 125°C

j

RRM

475

0.66 0.75

3 µA

0.95 V

To evaluate the maximum conduction losses use the following equations:
P=0.60xI

F(AV)

+ 0.05 I

F2(RMS)

DYNAMIC ELECTRICAL CHARACTERISTICS

Symbol Parameter Test conditions Min. Typ. Max. Unit

trr Reverse recovery

time

tfr Forward recovery

time

V

FP

Forward recovery

voltage

=1A dIF/dt = - 50A/µs

I

F

VR= 30V
I

=3A dIF/dt = 50A/µs

F

VFR=1.1xVFmax

Tj= 25°C

Tj= 25°C

= 25°C

T

j

70 ns

1.6 V

35 ns

2/5

STTH302

Fig. 1: Average forward power dissipation versus

average forward current.

PF(av)(W)

3.0

δ = 0.05

2.5

2.0

1.5

1.0

0.5

0.0

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5

δ = 0.1

IF(av)(A)

δ = 0.2

δ = 0.5

=tp/T

δ

δ = 1

T

tp

Fig. 3: Thermal resistance versus lead length.

Rth(°C/W)

90
80
70
60
50
40
30
20
10

0

5 10152025

Rth(j-a)

Rth(j-l)

Lleads(mm)

Fig. 2: Average forward current versus ambient

temperature (δ=0.5).

IF(av)(A)

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0.0
0 25 50 75 100 125 150 175

Rth(j-a)=Rth(j-l)

Rth(j-a)=75°C/W

Tamb(°C)

Fig. 4: Relative variation of thermal impedance

junction ambient versus pulse duration (printed
circuit board epoxy FR4, LIeads = 10mm).

Zth(j-a)/Rth(j-a)

1.0

0.9

0.8

0.7

0.6

δ = 0.5

0.5

0.4

0.3

δ = 0.2

0.2

δ = 0.1

0.1

Single pulse

0.0

1.E-01 1.E+00 1.E+01 1.E+02 1.E+03

tp(s)

δ

=tp/T

T

tp

Fig. 5: Forward voltage drop versus forward
current.

IFM(A)

100.0

Tj=125°C

Tj=125°C

(Maximum values)

(Maximum values)

10.0

1.0

0.1

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8

Tj=125°C

Tj=125°C

(Typical values)

(Typical values)

VFM(V)

Tj=25°C

(Maximum values)

Fig. 6: Junction capacitance versus reverse
voltage applied (typical values).

C(pF)

100

VR(V)

10

1 10 100 1000

F=1MHz

Vosc=30mV

Tj=25°C

3/5

STTH302

Fig. 7: Reverse recovery time versus dIF/dt (90%

confidence).

trr(ns)

100

90
80
70
60
50
40
30
20
10

0

1 10 100 1000

Tj=125°C

Tj=25°C

dIF/dt(A/µs)

IF=3A
VR=100V
Tj=125°C

Fig. 9: Relative variations of dynamic parameters
versus junction temperature.

IRM; trr; Qrr[Tj]/IRM; trr; Qrr[Tj=25°C]

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

IF=3A

dIF/dt=200A/µs

VR=100V

Qrr

IRM

Tj(°C)

25 50 75 100 125 150 175

trr

Fig. 8:Peak reverse recovery currentversusdIF/dt
(90% confidence).

IRM(A)

6

IF=3A
VR=100V
Tj=125°C

5

4

3

2

1

0

1 10 100 1000

Tj=125°C

Tj=25°C

dIF/dt(A/µs)

4/5

PACKAGE MECHANICAL DATA

DO-201AD

STTH302

BA

note 1

ØD ØD

DIMENSIONS

REF.

Min. Max. Min. Max.

A 9.50 0.374
B 25.40 1.000

∅ C 5.30 0.209
∅ D 1.30 0.051

E 1.25 0.049

E

note 2

B

note 1

E

ØC

NOTESMillimeters Inches

1 - The lead diameter ∅ D is not controlled over zone E
2 - The minimum axial length within which the device may be

placed with its leads bent at right angles is 0.59"(15 mm)

Ordering code Marking Package Weight Base qty Delivery mode

STTH302 STTH302 DO-201AD 1.16 g 600 Ammopack

STTH302RL STTH302 DO-201AD 1.16 g 1900 Tape and reel

■

White band indicates cathode

■

Epoxy meets UL94,V0

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