Document
Bulletin PD-20592 rev. C 05/02
MBRS190TR MBRS1100TR
SCHOTTKY RECTIFIER 1 Amp
SMB
Major Ratings and Characteristics Characteristics
IF(AV) Rectangular waveform VRRM IFSM @ tp = 5 µs sine VF TJ @ 1.0 Apk, TJ=125°C range
Description/Features
The MBRS190TR, MBRS1100TR 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
MBR190TR MBR1100TR Units
1.0 90 - 100 870 0.63 - 55 to 175 A V A V °C
Device Marking: IR19/ IR10
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
2.40 (.094) 1.90 (.075) 1.30 (.051) 0.76 (.030) 0.30 (.012) 0.15 (.006) 5.60 (.220) 5.00 (.197)
2.5 TYP. (.098 TYP.)
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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1
MBRS190TR, MBRS1100TR
Bulletin PD-20592 rev. C 05/02
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V)
MBRS190TR
90
MBRS1100TR
100
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
1.0 870 50 5.0 0.2
Units Conditions
A A 50% duty cycle @ TL = 147 °C, rectangular wave form 5µs Sine or 3µs Rect. pulse 10ms Sine or 6ms Rect. pulse mJ A TJ = 25 °C, IAS = 0.5A, L = 10mH Following any rated load condition and with rated VRRM applied
Electrical Specifications
Parameters
VFM IRM CT LS Max. Forward Voltage Drop * See Fig. 1 * See Fig. 2 Typical Junction Capacitance Typical Series Inductance (Rated VR)
(1) Pulse Width < 300µs, Duty Cycle < 2%
Value
(1) 0.78 0.62 0.5 1.0 42 2.0 10000
Units
V V mA mA pF nH V/ µs @ 1A @ 1A TJ = 25 °C TJ = 125 °C
Conditions
TJ = 25 °C TJ = 125 °C VR = rated VR
Max. Reverse Leakage Current (1)
VR = 5VDC, (test signal range 100kHz to 1MHz) 25°C Measured lead to lead 5mm from package body
dv/dt Max. Volatge Rate of Charge
Thermal-Mechanical Specifications
Parameters
TJ Tstg Max. Storage Temperature Range (**) 80 °C/W DC operation
Value
- 55 to 175 36
Units
°C °C
Conditions
Max. Junction Temperature Range (*) - 55 to 175
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)
0.10(0.003) g (oz.) SMB IR19-IR10 Similar to DO-214AA
1 < thermal runaway condition for a diode on its own heatsink dTj Rth( j-a) (**) Mounted 1 inch square PCB
2
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MBRS190TR, MBRS1100TR
Bulletin PD-20592 rev. C 05/02
10
Reverse Current - I R (m A)
10
Tj = 175˚C
1 0.1 0.01 0.001 0.0001 .00001 0
150˚C
125˚C 100˚C
Tj = 175˚C Tj = 125˚C
(A)
75˚C
50˚C
Tj = 25˚C
Instantaneous Forward Current - I
F
25˚C
20
40
60
80
100
1
Reverse Voltage - VR (V) Fig. 2 - Typical Peak Reverse Current Vs. Reverse Voltage
100
Junction Capacitance - C T (p F)
T = 25˚C
J
0.1 0.2
10
0.4
0.6
0.8
1
0
20
40
60
80
100
Forward Voltage Drop - VFM (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics
Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage
100
(°C/W)
10
Thermal Impedance Z
D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20
thJC
PDM
t1
1
Single Pulse (Thermal Resistance) Notes: 1. Duty factor D = t1/ t2
t2
. .
2. Peak Tj = Pdm x ZthJC + Tc
0.1 0.00001
0.0001
0.001
0.01
0.1
1
10
100
t1 , Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance Z thJC Characteristics (Per Leg)
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MBRS190TR, MBRS1100TR
Bulletin PD-20592 rev. C 05/02
180
Allowable Lead Temperature (°C)
1
DC
Average Power Loss (Watts)
D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75
170 160 150 140
0.8 0.6 0.4 0.2 0
D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75
RMS Limit
DC
130 Square wave (D = 0.50) Rated Vr applied 120 110 0 0.4 0.8 1.2 1.6
Average Forward Current - I F(AV) (A) Fig. 4 - Maximum Average Forward Current Vs. Allowable Lead Temperature
see note (2)
0
0.3
0.6
0.9
1.2
1.5
Average Forward Current - I F(AV) (A) Fig. 5 - Maximum Average Forward Dissipation Vs. Average Forward Current
Non-Repetitive Surge Current - I (A)
FSM
1000
100
At Any Rated Load Condition And With rated Vrrm Applied Following Surge
10 10
100
1000
10000
Square Wave Pulse Duration - Tp (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); PdRE.