Bulletin PD-21098 rev. B 08/06
STPS1045BPbF
SCHOTTKY RECTIFIER
10 Amp
IF(AV) = 10Amp
VR = 45V
Major Ratings and Characteristics
Description/ Features
Characteristics
Values
Units
IF(AV) Rectangular
waveform
10
A
VRRM
45
V
IFSM @ tp = 5 μs sine
390
A
VF
@ 10 Apk, TJ = 125°C
0.57
V
TJ
range
- 40 to 175
°C
The STPS1045BPbF surface mount Schottky rectifier has
been designed for applications requiring low forward drop and
small foot prints on PC board. Typical applications are in disk
drives, switching power supplies, converters, free-wheeling
diodes, battery charging, and reverse battery protection.
Popular D-PAK outline
Small foot print, surface moutable
Low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
Lead-Free ("PbF" suffix)
Case Styles
Base
Cathode
4, 2
1
3
Anode
Anode
D-PAK (TO-252AA)
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1
STPS1045BPbF
Bulletin PD-21098 rev. B 08/06
Voltage Ratings
Part number
VR
STPS1045BPbF
Max. DC Reverse Voltage (V)
45
VRWM Max. Working Peak Reverse Voltage (V)
Absolute Maximum Ratings
Parameters
Value
IF(AV) Max. Average Forward Current
Units Conditions
10
A
50% duty cycle @ TC = 151°C, rectangular wave form
* See Fig. 5
IFSM
Max. Peak One Cycle Non-Repetitive
390
A
Surge Current * See Fig. 7
75
EAS
Non-Repetitive Avalanche Energy
20
mJ
IAR
Repetitive Avalanche Current
3.0
A
Following any rated
load condition and with
10ms Sine or 6ms Rect. pulse rated VRRM applied
5μs Sine or 3μs Rect. pulse
TJ = 25 °C, IAS = 3.0 Amps, L = 4.40 mH
Current decaying linearly to zero in 1 μsec
Frequency limited by TJ max. VA = 1.5 x VR typical
Electrical Specifications
Parameters
VFM
IRM
Value
Units Conditions
Max. Forward Voltage Drop
0.63
V
@ 10A
* See Fig. 1
0.84
V
@ 20A
(1)
TJ = 25 °C
0.57
V
@ 10A
0.72
V
@ 20A
Max. Reverse Leakage Current
0.2
mA
TJ = 25 °C
* See Fig. 2
15
mA
TJ = 125 °C
(1)
VR = rated VR
CT
Typical Junction Capacitance
760
pF
V
LS
Typical Series Inductance
5.0
nH
Measured lead to lead 5mm from package body
10000
V/ μs
dv/dt Max. Voltage Rate of Change
R
= 5V
TJ = 125 °C
DC
(test signal range 100Khz to 1Mhz) 25 °C
(Rated VR)
(1) Pulse Width < 300μs, Duty Cycle < 2%
Thermal-Mechanical Specifications
Parameters
Value
Units Conditions
TJ
Max. Junction Temper. Range (*)
- 40 to 175
°C
Tstg
Max. Storage Temperature Range
- 40 to 175
°C
RthJC Max. Thermal Resistance Junction
to Case
RthJA Max. Thermal Resistance Junction
3.0
°C/W DC operation
50
°C/W
0.3 (0.01)
g (oz.)
* See Fig. 4
to Ambient
wt
Approximate Weight
Case Style
D - PAK
Device Marking
(*) dPtot
dTj
2
<
1
Rth( j-a)
Similar to TO-252AA
STPS1045B
thermal runaway condition for a diode on its own heatsink
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STPS1045BPbF
Bulletin PD-21098 rev. B 08/06
1000
100
T = 175˚C
J
150˚C
125˚C
10
100˚C
1
75˚C
0.1
50˚C
0.01
25˚C
0.001
0.0001
0
10
20
30
40
50
Reverse Voltage - VR (V)
10
Fig. 2 - Typical Values of Reverse Current
Vs. Reverse Voltage
10000
Junction Capacitance C T (pF)
Instantaneous Forward Current - I
F
(A)
Reverse Current (mA)
100
Tj = 175˚C
Tj = 125˚C
Tj = 25˚C
T J = 25˚C
1000
100
1
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
0
2
10
20
30
40
50
Reverse Voltage - V R (V)
Forward Voltage Drop - V FM (V)
Fig. 1 - Maximum Forward Voltage Drop
Characteristics
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
Thermal Impedance - Z thJC (°C/W)
10
1
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
PDM
t1
0.1
t2
Single Pulse
(Thermal Resistance)
Notes:
1. Duty factor D = t1/ t2
2. Peak Tj = Pdm x ZthJC + Tc
0.01
0.00001
0.0001
0.001
0.01
0.1
1
10
t1, Rectangular Pulse Duration (Seconds)
Fig. 4 - Maximum Thermal Impedance Z
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thJC
Characteristics
3
STPS1045BPbF
Bulletin PD-21098 rev. B 08/06
16
Average Power Loss (Watts)
Allowable Case Temperature (°C)
180
170
DC
160
Square wave (D = 0.50)
80% Rated Vr applied
150
see note (2)
14
12
RMS Limit
10
8
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
6
4
DC
2
140
0
0
2
4
6
8
10 12 14 16
Average Forward Current - I
F(AV)
0
2
4
6
8
10 12 14 16
Average Forward Current - I F(AV)
(A)
Fig. 6 - Forward Power
Loss Characteristics
(A)
Fig. 5 - Maximum Allowable Case Temperature
Vs. Average Forward Current
Non-Repetitive Surge Current - I
(A)
FSM
1000
100
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
10
10
100
1000
Square Wave Pulse Duration - t
10000
p
(microsec)
Fig. 7 - Maximum Non-Repetitive
Surge Current
(2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ;
Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6);
PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR
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STPS1045BPbF
Bulletin PD-21098 rev. B 08/06
Outline Table
Modified JEDEC outline TO-252AA
Dimensions in millimeters and (inches)
Part Marking Information
THIS IS A STPS1045B
INTERNATIONAL
RECTIFIER
LOT CODE 8024
LOGO
ASSEMBLED ON WW 02, 2003
PART NUMBER
STPS1045B
DATE CODE
P = LEAD-FREE
ASSEMBLY
LOT CODE
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YEAR 3 = 2003
WEEK 02
X = SITE ID
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STPS1045BPbF
Bulletin PD-21098 rev. B 08/06
Tape & Reel Information
TR
4.1 (0.16)
3.9 (0.15)
1.85 (0.07)
DIA.
1.65 (0.06)
2.1 (0.83)
1.9 (0.07)
1.85 (0.07)
1.65 (0.06)
0.35 (0.01)
0.25 (0.01)
7.6 (0.30)
7.4 (0.29)
FEED DIRECTION
12.1 (0.48)
11.9 (0.47)
4.1 (0.16)
3.9 (0.15)
TRR
2.1 (0.83)
1.9 (0.07)
2.6 (0.10)
DIA.
1.5 (0.06)
1.85 (0.07)
DIA.
1.65 (0.06)
1.85 (0.07)
1.65 (0.06)
7.6 (0.30)
7.4 (0.29)
FEED DIRECTION
8.1 (0.32)
7.9 (0.31)
4.1 (0.16)
3.9 (0.15)
TRL
2.1 (0.83)
1.9 (0.07)
2.6 (0.10)
DIA.
1.5 (0.06)
1.85 (0.07)
DIA.
1.65 (0.06)
1.85 (0.07)
1.65 (0.06)
7.6 (0.30)
7.4 (0.29)
FEED DIRECTION
13 (0.52) DIA.
8.1 (0.32)
7.9 (0.31)
2.6 (0.10)
DIA.
1.5 (0.06)
7.0 (0.28)
6.8 (0.26)
16.3 (0.64)
15.7 (0.62)
2.75 (0.11)
2.55 (0.10)
0.35 (0.01)
0.25 (0.01)
10.6 (0.42)
10.4 (0.41)
16.3 (0.64)
15.7 (0.62)
2.75 (0.11)
2.55 (0.10)
0.35 (0.01)
0.25 (0.01)
10.6 (0.42)
10.4 (0.41)
16.3 (0.64)
15.7 (0.62)
2.75 (0.11)
2.55 (0.10)
22.4 (0.88)
TO-252AA Tape & Reel
375 (14.17)
DIA. MAX.
6
50 (1.97) DIA.
When ordering, indicate the part
number, part orientation, and the
quantity. Quantities are in multiples
of 2,000 pieces per reel for TR and
multiples of 3,000 pieces per reel
for both TRL and TRR.
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STPS1045BPbF
Bulletin PD-21098 rev. B 08/06
Ordering Information Table
Device Code
STPS 10
1
2
45
B
3
4
TRL PbF
5
1
-
Schottky STPS Series
2
-
Current Rating (10A)
3
-
Voltage Rating (45 = 45V)
4
-
B = Essential Part Number
5
-
y none = Tube (50 pieces)
6
y TR = Tape & Reel
y TRL = Tape & Reel (Left Oriented)
y TRR = Tape & Reel (Right Oriented)
6
-
y none = Standard Production
y PbF = Lead-Free
Data and specifications subject to change without notice.
This product has been designed and qualified for AEC Q101 Level and Lead-Free.
Qualification Standards can be found on IR's Web site.
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
TAC Fax: (310) 252-7309
Visit us at www.irf.com for sales contact information. 05/06
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