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Bulletin PD-20410 07/04
MBRS320TRPBF
SCHOTTKY RECTIFIER 3 Amp
IF(AV) = 3.0Amp VR = 20V
Major Ratings and Characteristics Characteristics
IF(AV) Rectangular waveform VRRM IFSM @ t p= 5 s sine VF TJ @ 3.0 Apk, TJ = 125C range
Description/ Features Units
A V A V C The MBRS320TRPBF surface-mount Schottky rectifier has been designed for applications requiring low forward drop and 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 Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability Lead-Free ("PbF" suffix)
Value
3.0 20 820 0.36 - 65 to 150
Case Styles MBRS320TRPBF
SMC
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1
MBRS320TRPBF
Bulletin PD-20410 07/04
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V)
MBRS320PbF
20
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current Non Repetitive Avalanche Energy Repetitive Avalanche Current
Value
3.0 820 80 4 1.0
Units Conditions
A 50% duty cycle @ TL = 136C, rectangular wave form 5s Sine or 3s Rect. pulse 10ms Sine or 6ms Rect. pulse mJ A TJ = 25 C, IAS = 1.0A, L = 8mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. Va = 1.5 x Vr typical Following any rated load condition and with rated VRRM applied
Electrical Specifications
Parameters
VFM Max. Forward Voltage Drop (1)
Typ.
0.41 0.45 0.29 0.35
Max.
0.45 0.53 0.36 0.46 0.5 20 35 10000
Units
V V V V mA mA mA pF nH
Conditions
@ 3A @ 6A @ 3A @ 6A T J = 25 C TJ = 100 C TJ = 125 C VR = 5VDC (test signal range 100kHz to 1Mhz), @ 25C Measured lead to lead 5mm from package body VR = rated VR TJ = 25 C TJ = 125 C
IRM
Max. Reverse Leakage Current (1)
0.04 8.0 23
CT LS
Typical Junction Capacitance Typical Series Inductance
360 3.0 -
dv/dt Max. Voltage Rate of Change
(1) Pulse Width < 300s, Duty Cycle < 2%
V/ s (Rated VR)
Thermal-Mechanical Specifications
Parameters
TJ Tstg Max. Junction Temperature Range (*) Max. Storage Temperature Range
Value
- 65 to 150 - 65 to 150 12 46
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 dTj < 1 Rth( j-a)
C/W DC operation C/W
0.24(0.008) gr (oz) SMC IR32
(**) Mounted 1 inch square PCB
Similar DO-214AB
thermal runaway condition for a diode on its own heatsink
2
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MBRS320TRPBF
Bulletin PD-20410 07/04
100
Reverse Current - I R (mA)
100
Tj = 150C
10 1
125C 100C 75C
0.1 0.01 0.001
0
50C 25C
(A) Instantaneous Forward Current - I
F
10
5 10 15 Reverse Voltage - VR (V)
20
Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg)
1000
Tj = 150C Tj = 125C Tj = 25C
Junction Capacitance - C T (p F)
1
Tj = 25C
0.1 0
Forward Voltage Drop - VFM (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg)
100
0.2 0.4 0.6 0.8
0
5
10
15
20
Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg)
100
(C/W)
thJC
10
Thermal Impedance Z
D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20
Notes:
PDM
t1 t2
1
Single Pulse (Thermal Resistance)
1. Duty factor D = t1/ t2
2. Peak Tj = Pdm x ZthJC + Tc
0.1 0.00001
0.0001
0.001
0.01
thJC
0.1
1
10
100
t1 , Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance Z Characteristics (Per Leg)
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MBRS320TRPBF
Bulletin PD-20410 07/04
155
Allowable Lead Temperature (C) Allowable Power Loss (Watts)
1.6
D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 DC
150 145 140 135 130 Square wave 125 see note (2) 120
1.4 1.2 1 0.8 0.6 0.4 0.2 0 0
D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMS Limit DC
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
Average Forward Current - I F(AV) (A) Fig. 5 - Maximum Average Forward Current Vs. Allowable Lead Temperature
1
2
3
4
5
Average Forward Current - I F(AV) (A) Fig. 6 - Maximum Average Forward Dissipation Vs. Average Forward Current
FSM (A)
1000
Tj = 25C
Non-Repetitive Surge Current - I
100
At Any Rated Load Condition And With Rated Vrrm Applied Following Surge
10 10 100 1000 10000
Square Wave Pulse Duration - t p (microsec) Fig. 7 - 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)
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MBRS320TRPBF
Bulletin PD-20410 07/04
Outline Table
Device Marking: IR32
2.75 (.108) 3.15 (.124) 5.59 (.220) 6.22 (.245)
CATHODE
ANODE
6.60 (.260) 7.11 (.280) .152 (.006) .305 (.012) 2.00 (.079) 2.62 (.103) 0.76 (.030) 1.52 (.060) 7.75 (.305) 8.13 (.320) .102 (.004) .203 (.008)
1
2
1 POLARITY
2 PART NUMBER
Outline SMC 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.
IR32
IR32
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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MBRS320TRPBF
Bulletin PD-20410 07/04
Tape & Reel Information
Dimensions in millimetres and (inches)
Ordering Information Table
Device Code
MBR
1 1 2 3 4 5 6 -
S
2
3
3
20
4
TR
5
PbF
6
Schottky MBR Series S = SMC Current Rating (3 = 3 A) Voltage Rating (20 = 20V) TR = Tape & Reel (3000 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 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. 07/04
6
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