1
MURS120
Bulletin PD-20753 rev. D 07/01
trr = 25ns
IF(AV) = 1Amp
VR = 200V
• Ultrafast Recovery Time
• Low Forward Voltage Drop
• Low Leakage Current
• 175°C Operating Junction Temperature
Features
Description/ Applications
International Rectifier's MUR.. series are the state of the art Ultra fast recovery rectifiers specifically designed with
optimized performance of forward voltage drop and ultra fast recovery time.
The planar structure and the platinum doped life time control, guarantee the best overall performance, ruggedness and
reliability characteristics.
These devices are intended for use in the output rectification stage of SMPS, UPS, DC-DC converters as well as free-
wheeling diode in low voltage inverters and chopper motor drives.
Their extremely optimized stored charge and low recovery current minimize the switching losses and reduce over
dissipation in the switching element and snubbers.
Absolute Maximum Ratings
Ultrafast Rectifier
VRRM Peak Repetitive Peak Reverse Voltage 200 V
IF(AV) Average Rectified Forward Current, T L = 158°C 1 A
IFSM Non Repetitive Peak Surge Current 40
TJ, TSTG Operating Junction and Storage Temperatures - 65 to 175 °C
Parameters Max Units
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3.80 (.150)
3.30 (.130)
4.70 (.185)
4.10 (.161)
2.15 (.085)
1.80 (.071)
2.40 (.094)
1.90 (.075)
1.30 (.051)
0.76 (.030)
0.30 (.012)
0.15 (.006)
5.60 (.220)
5.00 (.197)
4.0 (.157)
2.0 TYP.
(.079 TYP.)
2.5 TYP.
(.098 TYP.) SOLDERING PAD
CATHODE ANODE
1 2
12
POLARITY PART NUMBER
4.2 (.165)
Outline SMB
Dimensions in millimeters and (inches)
SMB
MURS120
Bulletin PD-20753 rev. D 07/01
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VBR, VrBreakdown Voltage, 200 - - V IR = 100µA
Blocking Voltage
VFForward Voltage - 0.83 0.875 V IF = 1A
- 0.65 0.71 V IF = 1A, TJ = 150°C
IRReverse Leakage Current - 0.1 2 µA VR = VR Rated
-1150µAT
J = 150°C, VR = VR Rated
CTJunction Capacitance - 12 - pF VR = 200V
Electrical Characteristics @ TJ = 25°C (unless otherwise specified)
Parameters Min Typ Max Test Conditions
trr Reverse Recovery Time - - 35 ns IF = 1.0A, diF/dt = 50A/µs, VR = 30V
--25 I
F = 0.5A, IR = 1.0A, IREC = 0.25A
Dynamic Recovery Characteristics @ TJ = 25°C (unless otherwise specified)
Parameters Min Typ Test Conditions
Parameters Min Typ Max Units
TJMax. Junction Temperature Range - - 175 °C
TStg Max. Storage Temperature Range - 65 - 175
RthJL Thermal Resistance, Junction to Lead - - 21 °C/W
Wt Weight - 0.1 - g
- 0.07 - (oz)
Thermal - Mechanical Characteristics
Units
UnitsMax
Bulletin PD-20753 rev. D 07/01
3
MURS120
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Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage
Fig. 1 - Typical Forward Voltage Drop Characteristics
Reverse Voltage - VR (V)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
Forward Voltage Drop - VFM (V)
Instantaneous Forward Current - I F
(A)
Reverse Current - I R
(µA)
Reverse Voltage - VR (V)
Junction Capacitance - C T (pF)
Fig. 4 - Max. Thermal Impedance Z thJC Characteristics
t1, Rectangular Pulse Duration (Seconds)
Thermal Impedance Z thJL (°C/W)
0.1
1
10
0.4 0.6 0.8 1 1.2 1.4
T = 175˚C
T = 150˚C
T = 25˚C
J
J
J
0.001
0.01
0.1
1
10
100
0 40 80 120 160 200
25˚C
100˚C
Tj = 175˚C
150˚C
125˚C
10
100
0 40 80 120 160 200
Tj = 25˚C
0.1
1
10
100
0.001 0.01 0.1 1 10
Single Pulse
(Thermal Resistance)
D = 0.50
D = 0.20
D = 0.10
D = 0.05
D = 0.02
D = 0.01
2
t
1
t
P
DM
Notes:
1. Duty factor D = t1/ t2
2. Peak Tj = Pdm x ZthJC+ Tc
MURS120
Bulletin PD-20753 rev. D 07/01
4www.irf.com
(3) 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 = rated VR
Fig. 5 - Max. Allowable Lead Temperature
Vs. Average Forward Current
Fig. 6 - Forward Power Loss Characteristics
Average Power Loss ( Watts )
trr ( ns )
Qrr ( nC )
Average Forward Current - IF(AV)
(A)
Allowable Lead Temperature (°C)
Average Forward Current - IF(AV)
(A)
Fig. 8 - Typical Stored Charge vs. di F /dt
Fig. 7 - Typical Reverse Recovery vs. di F /dt
di
F
/dt (A/µs )
di F
/dt (A/µs )
140
150
160
170
180
0 0.4 0.8 1.2 1.6
DC
Square wave (D = 0.50)
Rated Vr applied
see note (3)
0
0.2
0.4
0.6
0.8
1
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
DC
RMS Limit
D = 0.01
D = 0.02
D = 0.05
D = 0.1
D = 0.2
D = 0.5
1
10
100
100 1000
Vr = 30V
If = 1A
Tj = 25˚C
1
10
100 1000
Vr = 30V
If = 1A
Tj = 25˚C
Bulletin PD-20753 rev. D 07/01
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MURS120
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Marking & Identification Ordering Information
MURS SERIES - TAPE AND REEL
WHEN ORDERING, INDICATE THE PART NUMBER
AND THE QUANTITY ( IN MULTIPLES OF 3000
PIECES).
EXAMPLE: MURS120TR - 6000 PIECES
MURS.. SERIES - BULK QUANTITIES
WHEN ORDERING, INDICATE THE PART NUMBER
AND THE QUANTITY ( IN MULTIPLES OF 250 PIECES).
EXAMPLE: MURS120 - 500 PIECES
Tape & Reel Information
Dimensions in millimeters and (inches)
Each device has 8 characters, configurated 4 digits on two
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
rating and voltage/process). The second row indicates the
year and the week of manufacturing.
I R 1Q
M = 50 V
N = 100 V
P = 150 V
Q = 200 V
R = 300 V
S = 400V
T = 500V
V = 600V
IR logo
Voltage/ Process
Week
YY WW (Date Code)
Current Rating (1A)
Year
MURS120
Bulletin PD-20753 rev. D 07/01
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Ordering Information Table
Device Code
124
3
1- Ultrafast MUR Series
2- Package Style: SMB
3- Current Rating (1 = 1A)
4- Voltage Rating (20 = 200V)
MUR S 1 20
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. 07/01
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.
