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Bulletin PD-20582 rev. D 07/04
MBRA140TR
SCHOTTKY RECTIFIER 1.0 Amp
IF(AV) = 1 Amp VR = 40V
Major Ratings and Characteristics Characteristics
IFAV VRRM IFSM @ tp = 5 s sine VF TJ @ 1.0Apk, TJ=125C range Rect. Waveform
Description/ Features Units
A V A V C The MBRA140TR surface mount Schottky rectifier has been designed for applications requiring low forward drop and very small foot prints on PC boards. Typical applications are in disk drives, switching power supplies, converters, free-wheeling diodes, battery charging, and reverse battery protection. Small foot print, surface mountable Low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability
Value
1.0 40 120 0.49 - 55 to 150
Case Styles MBRA140TR
SMA
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1
MBRA140TR
Bulletin PD-20582 rev. D 07/04
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V)
MBRA140TR
40
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current * See Fig. 4 IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 6 Non-Repetitive Avalanche Energy Repetitive Avalanche Current
Value
1.0 120 30 3.0 1.0
Units
A
Conditions
50% duty cycle @ TL = 118 C, rectangular wave form. On PC board 9mm2 island (.013mm thick copper pad area) 5s Sine or 3s Rect. pulse 10ms Sine or 6ms Rect. pulse TJ = 25 C, IAS = 1A, L = 6mH Following any rated load condition and with rated VRRM applied
A mJ A
Electrical Specifications
Parameters
VFM Max. Forward Voltage Drop * See Fig. 1 (1)
Value
0.55 0.71 0.5 0.65 0.49 0.63
Units
V V V V V V mA mA mA V m pF nH V
R
Conditions
@ 1A @ 2A @ 1A @ 2A @ 1A @ 2A T J = 25 C TJ = 100 C TJ = 125 C TJ = TJ max. = 10VDC, TJ = 25C, test signal = 1Mhz VR = rated VR TJ = 25 C TJ = 100 C TJ = 125 C
IRM
Max. Reverse Leakage Current (1) * See Fig. 2
0.5 10 26 0.36 104 38 2.0 10000
VF(TO) Threshold Voltage rt CT LS Forward Slope Resistance Typical Junction Capacitance Typical Series Inductance
Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change
(1) Pulse Width < 300s, Duty Cycle < 2%
V/ s (Rated VR)
2
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MBRA140TR
Bulletin PD-20582 rev. D 07/04
Thermal-Mechanical Specifications
Parameters
TJ Tstg Max. Junction Temperature Range (*) Max. Storage Temperature Range
Value
- 55 to 150 - 55 to 150 35 80
Units
C C
Conditions
RthJL Max. Thermal Resistance Junction to Lead (**) RthJA Max. Thermal Resistance Junction to Ambient wt Approximate Weight Case Style Device Marking
(*) dPtot
C/W DC operation (* See Fig. 4) C/W DC operation
0.07(0.002) g (oz.) SMA IR14 Similar D-64
1 < thermal runaway condition for a diode on its own heatsink dTj Rth( j-a) (**) Mounted 1 inch square PCB, Thermal Probe connected to lead 2mm from Package
10
Reverse Current - I R (mA)
100 10 1 0.1 0.01 0.001
TJ= 150C 125C 100C 75C 50C 25C
Instantaneous Forward Current - I F (A)
Tj = 150C Tj = 125C
0.0001
0
5
10
15
20
25
30
35
40
Reverse Voltage - V R (V)
1
Tj = 100C Tj = 25C
Junction Capacitance - C T (pF) 100
Fig. 2 - Typical Peak Reverse Current Vs. Reverse Voltage
TJ= 25C
0.1 0.2
10
0.4
0.6
0.8
1
1.2
1.4
1.6
0
5
10
15
20
25
30
35
40
Forward Voltage Drop - V FM (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics
Reverse Voltage - V R(V)
Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage
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3
MBRA140TR
Bulletin PD-20582 rev. D 07/04
160
Allowable Lead Temperature (C)
1.4
140 130 120 110 100 90
Square wave (D = 0.50) Rated Vr applied
Average Power Loss - (Watt s )
150
DC
D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75
1.2 1 0.8 0.6 0.4 0.2 0
D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 R Limit MS DC
80 see note (2) 70 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
Average Forward Current - I F(AV) (A) Fig. 4 - Maximum Average Forward Current Vs. Allowable Lead Temperature
0
0.4
0.8
1.2
1.6
2
2.4
Average Forward Current - I F(AV) (A)
Fig. 5 - Maximum Average Forward Dissipation Vs. Average Forward Current
Non-R epetitive S urge Current - I
FS M
(A)
100
At Any R ated Load Condition And With Rated V RRM Applied Following S urge 10 10
100
1000
10000
S quare 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
4
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MBRA140TR
Bulletin PD-20582 rev. D 07/04
Outline Table
Device Marking: IR14
CATHODE AN OD E
1.40 (.055) 1.60 (.062)
2.50 (.098) 2.90 (.114)
1
2
4.00 (.157) 4.60 (.181) .152 (.006) .305 (.012) 2.00 (.078) 2.44 (.096) 0.76 (.030) 1.52 (.060) .103 (.004) .203 (.008) 4.80 (.188) 5.28 (.208)
1 P O LA R I TY
2 PA R T N U M B ER
1.47 MIN. (.058 MIN.)
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.
IR14
VOLTAGE CURRENT
IR LOGO
YYWWX
SITE ID WEEK 2nd digit of the YEAR "Y" = 1st digit of the YEAR "standard product" "P" = "Lead-Free"
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5
MBRA140TR
Bulletin PD-20582 rev. D 07/04
Tape & Reel Information
Dimensions in millimetres and (inches)
Ordering Information Table
Device Code
MBR
1 1 2 3 4 5 6 -
A
2
1
3
40
4
TR
5
6
Schottky MBR Series A = SMA Current Rating (1 = 1 A) Voltage Rating (40 = 40V) TR = Tape & Reel (7500 pieces) none = Standard Production PbF = Lead-Free
Data and specifications subject to change without notice. This product has been designed and qualified for Industrial Level. 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. 07/04
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