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STTH2003CT/CG/CF/CR/CFP

August 2003 - Ed: 7D

HIGH FREQUENCY SECONDARY RECTIFIER

Dual center tap Fast Recovery Epitaxial Diodes

suited for Switch Mode Power Supply and high

frequency DC/DC converters.

Packaged in TO-220AB, ISOWATT220AB,

TO-220FPAB, I2PAK or D2PAK, this device is

especially intended for secondary rectification.

DESCRIPTION

■COMBINES HIGHEST RECOVERY AND

REVERSE VOLTAGE PERFORMANCE

■ULTRA-FAST, SOFT AND NOISE-FREE

RECOVERY

■INSULATED PACKAGES: ISOWATT220AB,

TO-220FPAB

Electric insulation: 2000VDC

Capacitance: 12pF

FEATURES AND BENEFITS

Symbol Parameter Value Unit

VRRM Repetitive peak reverse voltage 300 V

IF(RMS) RMS forward current 30 A

IF(AV) Average forward

current δ= 0.5 TO-220AB / D2PAK /

I2PAK Tc=140°C Per diode

Per device 10

20 A

ISOWATT220AB Tc=125°C

TO-220FPAB Tc=115°C

IFSM Surge non repetitive forward current tp = 10 ms sinusoidal 110 A

IRSM Non repetitive avalanche current tp = 20 µs square 5A

stg Storage temperature range -65 + 175 °C

Tj Maximum operating junction temperature 175 °C

ABSOLUTE RATINGS (limiting values, per diode)

A2 K

IF(AV) 2x10A

RRM 300 V

Tj (max) 175 °C

VF(max) 1 V

trr (max) 35 ns

MAJOR PRODUCT CHARACTERISTICS

A1 A2

D2PAK

STTH2003CG

TO-220AB

STTH2003CT

ISOWATT220AB

STTH2003CF

I2PAK

STTH2003CR

TO-220FPAB

STTH2003CFP

STTH2003CT/CG/CF/CR/CFP

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Symbol Parameter Tests conditions Min. Typ. Max. Unit

IR*Reverse leakage

current VR= 300 V Tj = 25°C 20 µA

Tj = 125°C 30 300

VF** Forward voltage drop IF= 10 A Tj = 25°C 1.25 V

Tj = 125°C 0.85 1

Pulse test : * tp=5ms,δ<2%

** tp = 380 µs, δ<2%

To evaluate the maximum conduction losses use the following equation :

P=0.75xI

F(AV) + 0.025 IF2(RMS)

STATIC ELECTRICAL CHARACTERISTICS (per diode)

Symbol Parameter Value Unit

Rth (j-c) Junction to case TO-220AB / D2PAK /I2PAK Per diode 2.5 °C/W

Total 1.3

ISOWATT220AB Per diode 3.9

Total 3.2

TO-220FPAB Per diode 4.6

Total 4

Rth (c) TO-220AB / D2PAK /I2PAK Coupling 0.1

ISOWATT220AB Coupling 2.5

TO-220FPAB Coupling 3.5

THERMAL RESISTANCES

Symbol Tests conditions Min. Typ. Max. Unit

trr IF= 0.5 A Irr = 0.25 A IR=1A Tj=25°C25 ns

IF=1A dI

/dt=-50A/µsV

=30V 35

tfr IF=10A dI

/dt = 100 A/µs

VFR =1.1xV

Fmax. Tj=25°C230 ns

VFP 3.5 V

Sfactor Vcc = 200V IF=10A

dIF/dt = 200 A/µsTj = 125°C 0.3 -

IRM 8A

RECOVERY CHARACTERISTICS

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STTH2003CT/CG/CF/CR/CFP

024681012

IF(a v) (A)

P1(W)

δ=tp/T tp

δ= 1

δ= 0.5

δ= 0.2

δ= 0.1

δ= 0.05

Fig. 1: Conduction losses versus average current

(per diode).

0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75 3.00

100

200

VFM(V)

IFM(A)

Tj=125°C

Tj=25°C

Tj=75°C

Fig. 2: Forward voltage drop versus forward

current (maximum values, per diode).

1E-3 1E-2 1E-1 1E+0

0.0

0.2

0.4

0.6

0.8

1.0

tp(s)

Zth(j-c)/Rth(j-c)

δ=tp/T tp

Single pulse

δ= 0.5

δ= 0.2

δ= 0.1

Fig. 3-1: Relative variation of thermal impedance

junction to case versus pulse duration (TO-220AB

PAK/I

PAK).

0 50 100 150 200 250 300 350 400 450 500

100 trr(ns)

VR=200V

Tj=125°C

IF=2*IF(av)

IF=IF(av)

IF=0.5*IF(av)

dIF/dt(A/µs)

Fig. 5: Reverse recovery time versus dIF/dt (90%

confidence, per diode).

0 50 100 150 200 250 300 350 400 450 500

dIF/dt(A/µs)

IRM(A)

VR=200V

Tj=125°C IF=2*IF(av)

IF=IF(av)

IF=0.5*IF(av)

Fig. 4: Peak reverse recovery current versus

dIF/dt (90% confidence, per diode).

1E-2 1E-1 1E+0 1E+1

0.0

0.2

0.4

0.6

0.8

1.0 Zth(j-c)/Rth(j-c)

tp(s)

δ=tp/T tp

Single pulse

δ= 0.5

δ= 0.2

δ= 0.1

Fig. 3-2: Relative variation of thermal impedance

junction to case versus pulse duration

(ISOWATT220AB).

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STTH2003CT/CG/CF/CR/CFP

25 50 75 100 125

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

Tj(°C)

IRM

S factor

Fig. 7: Relative variation of dynamic parameters

versusjunctiontemperature(reference:Tj=125°C).

0 50 100 150 200 250 300 350 400 450 500

10 V (V)FP

IF=IF(av)

Tj=125°C

dIF/dt(A/µs)

Fig. 8: Transient peak forward voltage versus

dIF/dt (90% confidence, per diode) (TO-220AB).

0 50 100 150 200 250 300 350 400 450 500

100

200

300

400

500 t (ns)fr

VFR=1.1*VF max.

IF=IF(av)

Tj=125°C

dIF/dt(A/µs)

Fig. 9: Forward recovery time versus dIF/dt (90%

confidence, per diode).

0 5 10 15 20 25 30 35 40

80 Rth(j-a) (°C/W)

S(Cu ) (c m²)

Fig. 10: Thermal resistance junction to ambient

versus copper surface under tab (Epoxy printed

circuit board FR4, copper thickness: 35µm)

(D2PAK).

0 50 100 150 200 250 300 350 400 450 500

0.00

0.10

0.20

0.30

0.40

0.50

0.60 S factor

VR=200V

Tj=125°C

dIF/dt(A/µs)

Fig. 6: Softness factor (tb/ta) versus dIF/dt (typical

values, per diode).

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STTH2003CT/CG/CF/CR/CFP

PACKAGE MECHANICAL DATA

D2PAK

MV2

* FLAT ZONE NO LESS THAN 2mm

REF. DIMENSIONS

Millimeters Inches

Min. Max. Min. Max.

A 4.40 4.60 0.173 0.181

A1 2.49 2.69 0.098 0.106

A2 0.03 0.23 0.001 0.009

B 0.70 0.93 0.027 0.037

B2 1.14 1.70 0.045 0.067

C 0.45 0.60 0.017 0.024

C2 1.23 1.36 0.048 0.054

D 8.95 9.35 0.352 0.368

E 10.00 10.40 0.393 0.409

G 4.88 5.28 0.192 0.208

L 15.00 15.85 0.590 0.624

L2 1.27 1.40 0.050 0.055

L3 1.40 1.75 0.055 0.069

M 2.40 3.20 0.094 0.126

R 0.40 typ. 0.016 typ.

V2 0° 8° 0° 8°

8.90 3.70

1.30

5.08

16.90

10.30

FOOT PRINT DIMENSIONS (in millimeters)

D2PAK

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STTH2003CT/CG/CF/CR/CFP

PACKAGE MECHANICAL DATA

ISOWATT220AB

REF.

DIMENSIONS

Millimeters Inches

Min. Max. Min. Max.

A 4.40 4.60 0.173 0.181

B 2.50 2.70 0.098 0.106

D 2.50 2.75 0.098 0.108

E 0.40 0.70 0.016 0.028

F 0.75 1.00 0.030 0.039

F1 1.15 1.70 0.045 0.067

F2 1.15 1.70 0.045 0.067

G 4.95 5.20 0.195 0.205

G1 2.40 2.70 0.094 0.106

H 10.00 10.40 0.394 0.409

L2 16.00 typ. 0.630 typ.

L3 28.60 30.60 1.125 1.205

L4 9.80 10.60 0.386 0.417

L6 15.90 16.40 0.626 0.646

L7 9.00 9.30 0.354 0.366

Diam 3.00 3.20 0.118 0.126

PACKAGE MECHANICAL DATA

TO-220AB

Dia

L2 F2

REF. DIMENSIONS

Millimeters Inches

Min. Max. Min. Max.

A 4.40 4.60 0.173 0.181

C 1.23 1.32 0.048 0.051

D 2.40 2.72 0.094 0.107

E 0.49 0.70 0.019 0.027

F 0.61 0.88 0.024 0.034

F1 1.14 1.70 0.044 0.066

F2 1.14 1.70 0.044 0.066

G 4.95 5.15 0.194 0.202

G1 2.40 2.70 0.094 0.106

H2 10 10.40 0.393 0.409

L2 16.4 typ. 0.645 typ.

L4 13 14 0.511 0.551

L5 2.65 2.95 0.104 0.116

L6 15.25 15.75 0.600 0.620

L7 6.20 6.60 0.244 0.259

L9 3.50 3.93 0.137 0.154

M 2.6 typ. 0.102 typ.

Diam. 3.75 3.85 0.147 0.151

STTH2003CT/CG/CF/CR/CFP

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PACKAGE MECHANICAL DATA

TO-220FPAB

G1 F

Dia

REF. DIMENSIONS

Millimeters Inches

Min. Max. Min. Max.

A 4.4 4.6 0.173 0.181

B 2.5 2.7 0.098 0.106

D 2.5 2.75 0.098 0.108

E 0.45 0.70 0.018 0.027

F 0.75 1 0.030 0.039

F1 1.15 1.70 0.045 0.067

F2 1.15 1.70 0.045 0.067

G 4.95 5.20 0.195 0.205

G1 2.4 2.7 0.094 0.106

H 10 10.4 0.393 0.409

L2 16 Typ. 0.63 Typ.

L3 28.6 30.6 1.126 1.205

L4 9.8 10.6 0.386 0.417

L5 2.9 3.6 0.114 0.142

L6 15.9 16.4 0.626 0.646

L7 9.00 9.30 0.354 0.366

Dia. 3.00 3.20 0.118 0.126

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STTH2003CT/CG/CF/CR/CFP

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PACKAGE MECHANICAL DATA

I2PAK

REF.

DIMENSIONS

Millimeters Inches

Min. Max. Min. Max.

A 4.40 4.60 0.173 0.181

A1 2.49 2.69 0.098 0.106

b 0.70 0.93 0.028 0.037

b1 1.14 1.17 0.044 0.046

b2 1.14 1.17 0.044 0.046

c 0.45 0.60 0.018 0.024

c2 1.23 1.36 0.048 0.054

D 8.95 9.35 0.352 0.368

e 2.40 2.70 0.094 0.106

E 10.0 10.4 0.394 0.409

L 13.1 13.6 0.516 0.535

L1 3.48 3.78 0.137 0.149

L2 1.27 1.40 0.050 0.055

Ordering code Marking Package Weight Base qty Delivery

mode

STTH2003CT STTH2003CT TO-220AB 2.2 g 50 Tube

STTH2003CG STTH2003CG D2PAK 1.48 g 50 Tube

STTH2003CG-TR STTH2003CG D2PAK 1.48 g 500 Tape & reel

STTH2003CF STTH2003CF ISOWATT220AB 2.08 g 50 Tube

STTH2003CFP STTH2003CFP TO-220FPAB 2.08 g 50 Tube

STTH2003CR STTH2003CR I2PAK 1.49 g 50 Tube

■Cooling method: by conduction (C)

■Recommended torque value: 0.55 N.m.

■Maximum torque value: 0.70 N.m.

■Epoxy meets UL 94,V0