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Bulletin PD-20644 rev. D 03/03
MBRS120
SCHOTTKY RECTIFIER 1 Amp
SMB
Major Ratings and Characteristics Characteristics
IF(AV) Rectangular waveform VRRM IFSM @ tp= 5 s sine VF TJ @ 1.0Apk, TJ = 125C range
Description/Features Units
A V A V C The MBRS120 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
MBRS120
1.0 20 310 0.35 - 65 to 150
Device Marking: IR12
CATHODE
ANODE
2.15 (.085) 1.80 (.071)
3.80 (.150) 3.30 (.130)
1
2
4.70 (.185) 4.10 (.161)
1 POLARITY
2 PART NUMBER
2.5 TYP. (.098 TYP.) 2.40 (.094) 1.90 (.075) 1.30 (.051) 0.76 (.030) 0.30 (.012) 0.15 (.006) 5.60 (.220) 5.00 (.197)
SOLDERING PAD
2.0 TYP. (.079 TYP.)
4.2 (.165) 4.0 (.157)
Outline SMB Dimensions in millimeters and (inches) For recommended footprint and soldering techniques refer to application note #AN-994
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MBRS120
Bulletin PD-20644 rev. D 03/03
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V)
MBRS120
20
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current IFSM Max. Peak One Cycle Non-Repetitive Surge Current EAS IAR Non Repetitive Avalanche Energy Repetitive Avalanche Current
Value
1.0 310 40 2.0 0.8
Units Conditions
A 50% duty cycle @ TL = 138C, rectangular wave form 5s Sine or 3s Rect. pulse 10ms Sine or 6ms Rect. pulse mJ A TJ = 25 C, IAS = 1A, L = 4mH 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.
0.42 0.46 0.33 0.39 0.30 0.36
Max.
0.45 0.52 0.37 0.45 0.35 0.43 0.2 6.0 20 10000
Units
V V V V V V mA mA mA pF nH V/ s
Conditions
@ 1A @ 2A @ 1A @ 2A @ 1A @ 2A 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 (Rated VR) VR = rated VR TJ = 25 C TJ = 100 C TJ = 125 C
IRM
Max. Reverse Leakage Current (1)
0.015 2.0 7.0
CT LS
Typical Junction Capacitance Typical Series Inductance
110 2.0 -
dv/dt Max. Voltage Rate of Change
(1) Pulse Width < 300s, Duty Cycle < 2%
Thermal-Mechanical Specifications
Parameters
TJ Tstg Max. Storage Temperature Range
Value
- 65 to 150 30
Units
C C C/W DC operation 80 C/W
Conditions
Max. Junction Temperature Range (*) - 65 to 150
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)
0.10(0.003) gr (oz) SMB IR12
(**) Mounted 1 inch square PCB
Similar DO-214AA
thermal runaway condition for a diode on its own heatsink
2
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MBRS120
Bulletin PD-20644 rev. D 03/03
100
Tj = 150C
Reverse Current - I R (mA)
10
10 1 0.1 0.01 0.001
125C 100C 75C 50C 25C
Instantaneous Forward Current - I F (A)
0.0001
0 5 10 15 20
Reverse Voltage - VR (V) Fig. 2 - Typical Peak Reverse Current Vs. Reverse Voltage
1
Tj = 150C Tj = 125C
1000
Junction Capacitance - C T (pF)
Tj = 100C Tj = 25C
Tj = 25C
100
0.1 0.2 0.4 0.6 0.8 1 Forward Voltage Drop - V FM (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics 0
10 0 4 8 12 16 20
Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage
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3
MBRS120
Bulletin PD-20644 rev. D 03/03
150
Allowable Lead Temperature (C) Allowable Power Loss (Watts)
0.5
D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75
145
0.4 0.3 0.2 0.1 0
D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMS Limit DC
140
Square wave DC
135
see note (2)
130 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
Average Forward Current - I F(AV) (A) Fig. 5 - Maximum Average Forward Dissipation Vs. Average Forward Current
Non-Repetitive Surge Current - I FSM (A)
1000
At Any Rated Load Condition And With Rated Vrrm Applied Following Surge
100
Tj = 25C
10 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)
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MBRS120
Bulletin PD-20644 rev. D 03/03
Tape & Reel Information
Dimensions in millimetres and (inches)
Marking & Identification
Each device has 2 rows for identification. The first row designates the device as manufactured by International Rectifier as indicated by the letters "IR", and the Part Number (indicates the current and the voltage rating). The second row indicates the year, the week of manufacturing and the Site ID.
Ordering Information
MBRS120TR - TAPE AND REEL WHEN ORDERING, INDICATE 3000 PIECES). EXAMPLE: MBRS120TR - 6000 PIECES THE PART
NUMBER AND THE QUANTITY ( IN MULTIPLES OF
IR12
VOLTAGE CURRENT
IR LOGO
YYWWX
SITE ID WEEK YEAR
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MBRS120
Bulletin PD-20644 rev. D 03/03
Data and specifications subject to change without notice. This product has been designed 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. 03/03
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