15MQ040N
40V
3.0A
SCHOTTKY RECTIFIER
FEATURES
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
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings
Parameters
15MQ Units
Conditions
IF(AV) Max. Average Forward Current
*SeeFig. 4
2.1
A
50%dutycycle@TL = 105°C, rectangularwaveform.
OnPCboard9mm2 island(.013mmthickcopperpad area)
Following any rated
load condition and
IFSM Max. Peak One Cycle Non-Repetitive
SurgeCurrent *SeeFig. 6
330
140
6.0
5µs Sineor3µsRect. pulse
A
10ms Sine or 6ms Rect. pulse with rated VRRM applied
EAS Non-Repetitive Avalanche Energy
mJ TJ =25°C,IAS =1A,L=12mH
A
IAR
Repetitive Avalanche Current
1.0
Electrical Specifications
Parameters
15MQ Units
Conditions
VFM Max. Forward Voltage Drop
* See Fig. 1
(1)
0.42
0.49
0.34
0.43
0.5
V
V
V
V
@ 1A
@ 2A
@ 1A
@ 2A
TJ = 25 °C
TJ = 125 °C
IRM Max. Reverse Leakage Current (1)
* See Fig. 2
mA TJ = 25 °C
mA TJ = 125 °C
VR = rated VR
20
VF(TO) Threshold Voltage
0.26
64.6
134
V
TJ = TJ max.
rt
Forward Slope Resistance
Typical Junction Capacitance
Typical Series Inductance
mΩ
pF
CT
LS
VR = 10VDC, TJ = 25°C, test signal = 1Mhz
2.0
nH Measured lead to lead 5mm from package body
V/µs (Rated VR)
dv/dt Max. Voltage Rate of Change
(1) Pulse Width < 300µs, Duty Cycle < 2%
10000
Thermal-Mechanical Specifications
Parameters
15MQ Units
Conditions
TJ
Max. JunctionTemperatureRange (*) -40 to 150 °C
Tstg Max. Storage Temperature Range
-40 to 150 °C
RthJA Max. Thermal Resistance Junction
to Ambient
80
°C/W DC operation
wt
Approximate Weight
Case Style
Device Marking
0.07(0.002) g (oz.)
SMA
IR3F
Similar D-64
(*) dPtot
dTj
1
<
thermal runaway condition for a diode on its own heatsink
Rth(j-a)
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