Datasheet STTH310S Specification

Features

■ Low forward voltage drop

■ High reliability

■ High surge current capability

■ Soft switching for reduced EMI disturbances

■ Planar technology

Description

The STTH310, which uses ST ultrafast high
voltage planar technology, is specially suited for
free-wheeling, clamping, snubbering,
demagnetization in power supplies and other
power switching applications.

STTH310

High voltage ultrafast rectifier

SMC

STTH310S

DO-201AD

STTH310

Table 1. Device summary

I

F(AV)

V

RRM

T

j

(max) 1.42 V

V

F

t

(max) 75 ns

rr

DO-201AD C2

STTH310

3 A

1000 V

175 °C

December 2009 Doc ID 9346 Rev 3 1/7

www.st.com

7

Characteristics STTH310

1 Characteristics

Table 2. Absolute ratings (limiting values)

Symbol Parameter Value Unit

V

RRM

Repetitive peak reverse voltage 1000 V

TL = 75 °C, δ = 0.5 DO-201AD 3

I

F(AV)

Average forward current, δ = 0.5

= 75 °C, δ = 0.5 SMC 3

T

L

DO-201AD 55

I

FSM

T

Table 3. Thermal parameters

Forward surge current tp = 8.3 ms sinusoidal

SMC 45

Storage temperature range - 50 to + 175 °C

stg

Maximum operating junction temperature + 175 °C

T

j

Symbol Parameter Value Unit

L = 10 mm DO-201AD 20

R

th(j-l)

R

th(j-a)

Table 4. Static electrical characteristics

Junction to lead

°C/WSMC 20

Junction to ambient L = 10 mm DO-201AD 75

Symbol Parameter Test conditions Min. Typ. Max. Unit

A

A

I

Reverse leakage current

R

V

Forward voltage drop

F

= 125 °C - - 50

T

j

T

= 25 °C

j

= 150 °C - 0.98 1.42

T

j

VR = V

= 3 A

I

F

RRM

To evaluate the conduction losses use the following equation: P = 1.20 x I

Tj = 25 °C

Table 5. Dynamic electrical characteristics

Symbol Parameter

t

rr

t

fr

V

FP

Test conditions

= 0.5 A, Irr = 0.25 A

I

Reverse recovery time

Forward recovery time

Forward recovery voltage - - 12 V

F

= 1 A, Tj = 25 °C

I

R

I

= 3 A, dIF/dt = 50 A/µs

F

VFR = 1.1 x V

, Tj = 25 °C

Fmax

--10

--1.7

+ 0.075 I

F(AV)

F2(RMS)

Min. Typ. Max. Unit

- - 75 ns

--300ns

µA

V

2/7 Doc ID 9346 Rev 3

STTH310 Characteristics

Figure 1. Conduction losses versus

average current

P(W)

5.5

5.0

4.5

4.0

3.5

3.0

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 = 0.05

δ = 0.1

I (A)

F(AV)

δ = 0.2

δ = 0.5

δ

=tp/T

Figure 3. Relative variation of thermal

impedance junction ambient
versus pulse duration (DO-201AD)

Z/R

th(j-c) th(j-c)

1.0

Epoxy printed circuit board, FR4,

0.9

L = 10 mm

leads

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

0.0

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

Single pulse

t (s)

p

δ

T

=tp/T

T

δ = 1

Figure 2. Forward voltage drop versus

forward current

I (A)

FM

100.0

T=150°C

j

10.0

1.0

tp

0.1

0.0 0.5 1.0 1.5 2.0 2.5

(typical values)

T=150°C

j

(maximum values)

V (V)

FM

T=25°C

j

(maximum values)

Figure 4. Relative variation of thermal

impedance junction ambient
versus pulse duration (SMC)

Z/R

th(j-c) th(j-c)

1.0

Epoxy printed circuit board, FR4,

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

tp

0.1

0.0

2

S = 1cm

δ = 0.5

δ = 0.2

δ = 0.1

Single pulse

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

t (s)

p

δ

=tp/T

T

tp

Figure 5. Thermal resistance junction to ambient versus copper surface under each lead

R (°C/W)

th(j-a)

110

100

90

80

70

60

50

40

30

20

10

0

012345

Doc ID 9346 Rev 3 3/7

Epoxy printed circuit board, FR4,
copper thickness = 35 µm

SMB

DO-201AD

L =10mm

leads

S(cm²)

Package information STTH310

2 Package information

● Epoxy meets UL94, V0

● Band indicates cathode

● Cooling method: by conduction (C)

In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
specifications, grade definitions and product status are available at: www.st.com
ECOPACK

Table 6. SMC dimensions

®

packages, depending on their level of environmental compliance. ECOPACK®

®

is an ST trademark.

.

Dimensions

Ref.

E1

Millimeters Inches

Min. Max. Min. Max.

A1 1.90 2.45 0.075 0.096

D

E

A2 0.05 0.20 0.002 0.008

(1)

b

c

2.90 3.20 0.114 0.126

(1)

0.15 0.40 0.006 0.016

D 5.55 6.25 0.218 0.246

A1

C

LE2

A2

b

E 7.75 8.15 0.305 0.321

E1 6.60 7.15 0.260 0.281

E2 4.40 4.70 0.173 0.185

L 0.75 1.50 0.030 0.059

1. Dimensions b and c apply to plated leads

Figure 6. Footprint, dimensions in mm (inches)

(0.061) (0.201)

8.19

(0.322)

4/7 Doc ID 9346 Rev 3

1.545.111.54

(0.061)

3.14

(0.124)

STTH310 Package information

Table 7. DO-201AD dimensions

Dimensions

BB

Note 1 Note 1

ØD

Table 8. DO-201AD C2 dimensions

E

B

K

F

I

R0.5

MIN

D

EE

Note 2

ØC

J

A

R0.5

H

A

55.9°

MAX

50.8°

G = D + 0.2 to 0.4 mm

(G = hole in the PCB)

10° max

Ref.

Millimeters Inches

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

1 - The lead diameter ø D is not
controlled over zone E

Notes

2 - The minimum length which must stay
straight between the right angles after
bending is 0.59"(15mm)

Dimensions

Ref.

Millimeters Inches

Min. Typ. Max. Min. Typ. Max.

A - - 9.5 - - 0.374

B 13.75 - 17.75 0.541 - 0.699

C - - 5.3 - - 0.208

D - - 1.3 - - 0.051

C

E 3.1 3.6 4.1 0.122 0.142 0.161

F 2.4 3.15 3.9 0.094 0.124 0.153

G - 1.6 - - 0.063 -

H 14.9 - 15.6 0.587 - 0.614

I 0.5 0.6 0.8 0.019 0.024 0.031

J - 18.78 - - 0.739 -

K 3.8 - 4.8 0.150 - 0.189

The difference between E dimensions on
both sides of resinous body (which

Note

express the bending centering) must not
be larger than 0.7 millimeter.

Doc ID 9346 Rev 3 5/7

Ordering information STTH310

3 Ordering information

Table 9. Ordering information

Order code Marking Package Weight Base qty Delivery mode

STTH310S S10 SMC 0.245 g 2500 Tape and reel

STTH310 STTH310 DO-201AD 1.16 g 600 Ammopack

STTH310RL STTH310 DO-201AD 1.16 g 1900 Tape and reel

STTH310-C2 STTH 310 DO-201AD C2 1.12 g 500 Box

4 Revision history

Table 10. Document revision history

Date Revision Changes

Jan-2003 1 First release.

03-Apr-2007 2

07-Dec-09 3 Updated Ta b l e 6 package dimensions.

DO-201AD C2 package added. SMC package
information updated.

6/7 Doc ID 9346 Rev 3

STTH310

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Doc ID 9346 Rev 3 7/7