Bulletin PD-20775 06/04
15MQ040NPbF
SCHOTTKY RECTIFIER
3 Amp
IF(AV) = 3Amp
VR = 40V
Description/ Features
Major Ratings and Characteristics
Characteristics
Value
Units
3
A
VRRM
40
V
IFSM @ tp = 5 µs sine
330
A
VF
@ 2Apk, TJ=125°C
0.43
V
TJ
range
- 40 to 150
°C
IF
DC
The 15MQ040NPbF Schottky rectifier is designed to be used
for low-power applications where a reverse voltage of 40 volts
is ancountered and surface mountable is required.
Applications
Switching power supplies
Meter protection
Reverse protection for power input to PC board circuits
Battery isolation and charging
Low threshold voltage diode
Free-wheeling or by-pass diode
Low voltage clamp
Features
Surface mountable
Extremely low forward voltage
Improved reverse blocking voltage capability relative
to other similar size Schottky
Compact size
Lead-Free ("PbF" suffix)
Case Styles
15MQ040NPbF
SMA
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15MQ040NPbF
Bulletin PD-20775 06/04
Voltage Ratings
Part number
VR
15MQ040NPbF
Max. DC Reverse Voltage (V)
40
VRWM Max. Working Peak Reverse Voltage (V)
Absolute Maximum Ratings
Parameters
15MQ Units
IF(AV) Max. Average Forward Current
* See Fig. 4
IFSM
2.1
Max. Peak One Cycle Non-Repetitive
330
Surge Current * See Fig. 6
140
A
A
EAS
Non-Repetitive Avalanche Energy
6.0
mJ
IAR
Repetitive Avalanche Current
1.0
A
15MQ
Units
Conditions
50% duty cycle @ TL = 105 °C, rectangular wave form.
On PC board 9mm2 island(.013mm thick copper pad area)
5µs Sine or 3µs Rect. pulse
10ms Sine or 6ms Rect. pulse
Following any rated
load condition and
with rated VRRM applied
TJ = 25 °C, IAS = 1A, L = 12mH
Electrical Specifications
Parameters
VFM
Max. Forward Voltage Drop
(1)
* See Fig. 1
IRM
Conditions
0.42
V
@ 1A
0.49
V
@ 2A
0.34
V
@ 1A
0.43
V
@ 2A
Max. Reverse Leakage Current (1)
0.5
mA
TJ = 25 °C
* See Fig. 2
20
mA
TJ = 125 °C
VF(TO) Threshold Voltage
0.26
V
TJ = TJ max.
rt
Forward Slope Resistance
64.6
mΩ
CT
Typical Junction Capacitance
134
pF
LS
Typical Series Inductance
2.0
nH
10000
V/µs
dv/dt Max. Voltage Rate of Change
TJ = 25 °C
TJ = 125 °C
VR = rated VR
VR = 10VDC, TJ = 25°C, test signal = 1Mhz
Measured lead to lead 5mm from package body
(Rated VR)
(1) Pulse Width < 300µs, Duty Cycle < 2%
Thermal-Mechanical Specifications
Parameters
15MQ
TJ
Max. Junction Temperature Range (*) -40 to 150
Tstg
Max. Storage Temperature Range
RthJA Max. Thermal Resistance Junction
to Ambient
wt
Approximate Weight
80
SMA
Device Marking
IR3F
dTj
<
1
Rth( j-a)
Conditions
°C
°C
°C/W DC operation
0.07(0.002) g (oz.)
Case Style
(*) dPtot
2
-40 to 150
Units
Similar D-64
thermal runaway condition for a diode on its own heatsink
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15MQ040NPbF
Bulletin PD-20775 06/04
100
TJ = 150°C
10
1
125°C
100°C
1
75°C
0.1
50°C
0.01
0.001
25°C
0
5
10
15
20
25
30
35
TJ= 150°C
Reverse Voltage - V R (V)
TJ= 125°C
Fig. 2 - Typical Peak Reverse Current
Vs. Reverse Voltage
40
TJ= 25°C
1000
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Forward Voltage Drop - V FM (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
Junction Capacitance - C T (pF)
Instantaneous Forward Current - I F (A)
Reverse Current - I R (mA)
10
TJ = 25°C
100
10
0
5
10 15 20
25 30
35 40 45
Reverse Voltage - VR (V)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
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15MQ040NPbF
Bulletin PD-20775 06/04
1.6
140
DC
130
120
110
100
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
90
80
70
60
50
Square wave (D = 0.50)
80% Rated V R applied
40
see note (2)
30
0
0.5
1
1.5
2
2.5
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
1.4
Average Power Loss - (Watts)
Allowable Case Temperature - (°C)
150
1.2
1
RMSLimit
0.8
DC
0.6
0.4
0.2
0
3
0
Average Forward Current - I F(AV) (A)
0.5
1
1.5
2
2.5
3
Average Forward Current - I F(AV) (A)
Fig. 5 - Maximum Average Forward Dissipation
Vs. Average Forward Current
Fig. 4 - Maximum Average Forward Current
Vs. Allowable Lead Temperature
Non-Repetitive Surge Current - I FSM (A)
1000
At Any Rated Load Condition
And With Rated V RRM Applied
Following Surge
100
10
100
1000
10000
Square Wave Pulse Duration - t p (microsec)
Fig. 6 - Maximum Peak Surge Forward Current Vs. Pulse Duration
(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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15MQ040NPbF
Bulletin PD-20775 06/04
Outline Table
CATHODE
Device Marking: IR3F
1.40 (.055)
1.60 (.062)
AN OD E
1
2.50 (.098)
2.90 (.114)
2
1 P O LA R I TY
4.00 (.157)
2 PA R T N U M B ER
4.60 (.181)
.152 (.006)
.305 (.012)
1.47 MIN.
(.058 MIN.)
2.00 (.078)
2.44 (.096)
.103 (.004)
.203 (.008)
0.76 (.030)
1.52 (.060)
4.80 (.188)
5.28 (.208)
2.10 MAX.
(.085 MAX. )
1.27 MIN.
(.050 MIN.)
5.53 (.218)
SOLDERING PAD
Outline SMA
Dimensions in millimeters and (inches)
For recommended footprint and soldering techniques refer to application note #AN-994
Marking & Identification
Each device has 2 rows for identification. The first row designates the device as manufactured by International
Rectifier, indicated by the letters "IR", and the Part Number (indicates the current, the voltage rating and
Schottky Generation). The second row indicates the year, the week of manufacturing and the Site ID.
IR3F
VOLTAGE
CURRENT
IR LOGO
PYWWX
SITE ID
WEEK
2nd digit of the YEAR
"Y" = 1st digit of the YEAR "standard product"
"P" = "Lead-Free"
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15MQ040NPbF
Bulletin PD-20775 06/04
Tape & Reel Information
Dimensions in millimetres and (inches)
Ordering Information Table
Device Code
15
M
Q
040
N
TR PbF
1
2
3
4
5
1
-
Current Rating
2
-
M = SMA
3
-
Q = Schottky Q Series
4
-
Voltage Rating (040 = 40V)
5
-
N = New SMA
6
-
y none = Box (1000 pieces)
6
7
y TR = Tape & Reel (7500 pieces)
7
-
y none = Standard Production
y PbF = Lead-Free
Data and specifications subject to change without notice.
This product has been designed and qualified for Industrial 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. 06/04
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