STPS30100ST

Datasheet

100 V power Schottky rectifier

A Features
K
A
• Low VF
• Good trade-off between leakage current and forward voltage drop
K
• High frequency operation
• Avalanche capability specified
• ECOPACK®2 compliant
A
K
A Applications
TO-220AB • Switching diode
• SMPS
• DC/DC converter
• LED lighting
• Desktop power supply

Description
This single Schottky rectifier is ideal for high frequency switch mode power supply.
Housed in a TO-220AB package, the STPS30100ST is optimized for use in notebook
and game station adaptors, providing an improved efficiency at both low and high
load.

Product status link

STPS30100ST
Product summary

Symbol Value

IF(AV) 30 A

VRRM 100 V

Tj (max.) 150 °C

VF (typ.) 0.605 V

DS5095 - Rev 2 - May 2018 www.st.com

For further information contact your local STMicroelectronics sales office.
 STPS30100ST
Characteristics

1 Characteristics

Table 1. Absolute ratings (limiting values with terminals 1 and 3 short circuited at Tamb = 25 °C, unless
otherwise specified)

Symbol Parameter Value Unit

VRRM Repetitive peak reverse voltage 100 V

IF(RMS) RMS forward current 60 A

IF(AV) Average forward current Tc = 125 °C, δ = 0.5 30 A

IFSM Surge non repetitive forward current tp = 10 ms sinusoidal 300 A

PARM Repetitive peak avalanche power tp = 10 µs, Tj = 125 °C 1900 W

Tstg Storage temperature range -65 to +175 °C

Tj Maximum operating junction temperature(1) 150 °C

1. (dPtot/dTj) < (1/Rth(j-a)) condition to avoid thermal runaway for a diode on its own heatsink.

Table 2. Thermal resistance parameters

Symbol Parameter Max. value Unit

Rth(j-c) Junction to case 1 °C/W

Table 3. Static electrical characteristics (terminals 1 and 3 short circuited)

Symbol Parameter Test conditions Min. Typ. Max. Unit

Tj = 25 °C - 175 µA
VR = VRRM
Tj = 125 °C - 20 50 mA
IR(1) Reverse leakage current
Tj = 25 °C - 60 µA
VR = 70 V
Tj = 125 °C - 10 20 mA

Tj = 25 °C - 0.475
IF = 5 A
Tj = 125 °C - 0.385

Tj = 25 °C - 0.555
IF = 10 A
Tj = 125 °C - 0.475
VF(2) Forward voltage drop V
Tj = 25 °C - 0.620 0.660
IF = 15 A
Tj = 125 °C - 0.525 0.565

Tj = 25 °C - 0.740 0.800
IF = 30 A
Tj = 125 °C - 0.605 0.655

1. Pulse test: tp = 5 ms, δ < 2%

2. Pulse test: tp = 380 µs, δ < 2%

To evaluate the conduction losses, use the following equation:

P = 0.475 x IF(AV) + 0.006 x IF2(RMS)
For more information, please refer to the following application notes related to the power losses :
• AN604: Calculation of conduction losses in a power rectifier

DS5095 - Rev 2 page 2/9

 STPS30100ST
Characteristics (curves)

• AN4021: Calculation of reverse losses on a power diode

1.1 Characteristics (curves)

Figure 1. Average forward power dissipation versus Figure 2. Average forward current versus ambient
average forward current temperature (δ = 0.5)

PF(AV)(W) IF(AV)(A)
26 35
24 δ = 0.05 δ = 0.1 δ = 0.2 δ = 0.5 δ=1
Rth(j-a) = Rth(j-c)
22 30
20
18 25

16
20
14
12
15
10
8 Rth(j-a) = 15°C/W
10
6 T T
4 5
2 IF(AV)(A) δ =tp/T tp δ =tp/T tp T amb(°C)
0 0
0 4 8 12 16 20 24 28 32 36 0 25 50 75 100 125 150

Figure 4. Relative variation of thermal impedance junction

Figure 3. Normalized avalanche power derating versus to case versus pulse duration
pulse duration (Tj = 125 °C)

PARM (t p ) Zth(j-c)/Rth(j-c)
PARM (10 µs) 1.0
1
0.9

0.8

0.7
0.1
0.6

0.5

0.4
0.01
0.3

0.2
Single pulse
t p(µs) 0.1 tp(s)
0.001 0.0
1 10 100 1000 1.E-03 1.E-02 1.E-01 1.E+00

DS5095 - Rev 2 page 3/9

 STPS30100ST
Characteristics (curves)

Figure 5. Reverse leakage current versus reverse voltage Figure 6. Junction capacitance versus reverse voltage
applied (typical values) applied (typical values)

IR(mA) C(pF)
1.E+03 10000
F = 1 MHz
Vosc = 30 mV
1.E+02 Tj = 25 °C
Tj = 150 °C

1.E+01 Tj = 125 °C

Tj = 100 °C
1.E+00
Tj = 75 °C 1000
1.E-01 Tj = 50 °C

1.E-02 Tj = 25 °C

1.E-03
VR(V) VR(V)
1.E-04 100
0 10 20 30 40 50 60 70 80 90 100 1 10 100

Figure 7. Forward voltage drop versus forward current Figure 8. Forward voltage drop versus forward current
(low level) (high level)

IF(A) IF(A)
30 200

180
25
Tj = 125 °C
160 Tj = 125 °C
(Maximum values)
(Maximum values)
140
20
120
Tj = 125 °C
15 100 (Typical values)
Tj = 125 °C
(Typical values)
80
10
60 Tj = 25 °C
Tj = 25 °C (Maximum values)
(Maximum values)
40
5
20
VF(V) VF(V)
0 0
0.0 0.2 0.4 0.6 0.8 1.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0

DS5095 - Rev 2 page 4/9

 STPS30100ST
Package information

2 Package information

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK®
packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions
and product status are available at: www.st.com. ECOPACK® is an ST trademark.

2.1 TO-220AB package information

• Epoxy meets UL 94,V0
• Cooling method: by conduction (C)
• Recommended torque value: 0.55 N·m
• Maximum torque value: 0.70 N·m

Figure 9. TO-220AB package outline

DS5095 - Rev 2 page 5/9

 STPS30100ST
TO-220AB package information

Table 4. TO-220AB package mechanical data

Dimensions

Ref. Millimeters Inches

Min. Max. Min. Max.

A 4.40 4.60 0.173 0.181

b 0.61 0.88 0.240 0.035
b1 1.14 1.55 0.045 0.061
c 0.48 0.70 0.019 0.028
D 15.25 15.75 0.600 0.620
D1 1.27 typ. 0.050 typ.
E 10.00 10.40 0.394 0.409
e 2.40 2.70 0.094 0.106
e1 4.95 5.15 0.195 0.203
F 1.23 1.32 0.048 0.052
H1 6.20 6.60 0.244 0.260
J1 2.40 2.72 0.094 0.107
L 13.00 14.00 0.512 0.551
L1 3.50 3.93 0.138 0.155
L20 16.40 typ. 0.646 typ.
L30 28.90 typ. 1.138 typ.
θP 3.75 3.85 0.148 0.152
Q 2.65 2.95 0.104 0.116

DS5095 - Rev 2 page 6/9

 STPS30100ST
Ordering Information

3 Ordering Information

Table 5. Ordering information

Order code Marking Package Weight Base qty. Delivery mode

STPS30100ST STPS30100ST TO-220AB 1.95 g 50 Tube

DS5095 - Rev 2 page 7/9

 STPS30100ST

Revision history

Table 6. Document revision history

Date Version Changes

24-Oct-2006 1 First issue

Minor text changes to improve readability.
Updated Table 1. Absolute ratings (limiting values with terminals 1 and 3 short
11-May-2018 2
circuited at Tamb = 25 °C, unless otherwise specified).
Removed figure 4 and figure 5. Updated Section 1.1 Characteristics (curves).

DS5095 - Rev 2 page 8/9

 STPS30100ST

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DS5095 - Rev 2 page 9/9