VOLTAGE RANGE 50 to 200 Volts CURRENT 3.0 Ampere
FEATURES
*
*
*
*
*
Glass passivated device
For surface mounted applications
Ultrafast recovery times dor high efficiency
Low forward voltage, low power loss
Low leakage current
SURFACE MOUNT GLASS PASSIVATED
SUPER FAST SILICON RECTIFIER
UFM301
THRU
UFM304
MECHANICAL DATA
*
*
*
*
Epoxy: Device has UL flammability classification 94V-O
Metallurgically bonded construction
Mounting position: Any
Weight: 0.24 gram
0.125 (3.17 )
0.115 (2.92 )
DO-214AB
0.245 ( 6.22 )
0.220 ( 5.59 )
0.280 ( 7.11 )
0.260 ( 6.60 )
0.012 ( 0.305 )
0.006 ( 0.152 )
0.103 ( 2.62 )
0.079 ( 2.06 )
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
0.060 ( 1.52 )
0.030 ( 0.76 )
0.008 ( 0.203 )
0.004 ( 0.102 )
0.320 ( 8.13 )
0.305 ( 7.75 )
Dimensions in inches and (millimeters)
MAXIMUM RATINGS
(@ T
A
=25
O
C unless otherwise noted)
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
A
= 55
O
C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 1)
Typical Thermal Resistance (Note 1)
Typical Junction Capacitance (Note 2)
Operating Temperature Range
Storage Temperature Range
SYMBOL
V
RRM
V
RMS
V
DC
I
O
I
FSM
R
q
JA
R
q
JL
C
J
T
J
T
STG
UFM301
UFM302
UFM303
UFM304
UNITS
Volts
Volts
Volts
Amps
Amps
0
0
50
35
50
100
70
100
3.0
100
47
12
45
150
-55 to + 150
150
105
150
200
140
200
C/W
C/W
pF
0
0
C
C
ELECTRICAL CHARACTERISTICS
(@T
A
=25
O
C unless otherwise noted)
CHARACTERISTICS
Maximum Instantaneous Forward Voltage at 3.0A DC
Maximum Average Reverse Current
at Rated DC Blocking Voltage
@T
A
= 25 C
@T
A
= 100 C
o
o
SYMBOL
V
F
I
R
trr
UFM301
UFM302
UFM303
UFM304
UNITS
Volts
mA
mA
nSec
2006-11
0.9
5
500
20
Maximum Reverse Recovery Time (Note 4)
NOTES : 1.
2.
3.
4.
Thermal Resistance :Mounted on PCB.
Measured at 1 MHz and applied reverse voltage of 4.0 volts.
"Fully ROHS compliant","100% Sn plating (Pb-free)".
Test Conditions: I
F
= 0.5A, I
R
= -1.0A, I
RR
= -0.25A.
RATING AND CHARACTERISTICS CURVES ( UFM301 THRU UFM304 )
50
W
NONINDUCTIVE
10
W
NONINDUCTIVE
+0.5A
trr
(+)
25 Vdc
(approx)
(-)
D.U.T
(-)
PULSE
GENERATOR
(NOTE 2)
0
-0.25A
1
NON-
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
(+)
NOTES: 1 Rise Time = 7ns max. Input Impedance =
1 megohm. 22pF.
2. Rise Time = 10ns max. Source Impedance =
50 ohms.
-1.0A
1cm
SET TIME BASE FOR 50/100 ns/cm
FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
5.0
AVERAGE FORWARD CURRENT, (A)
INSTANTANEOUS REVERSE CURRENT, (mA)
1000
4.0
3.0
2.0
1.0
0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
100
T
A
= 100
O
C
10
T
A
= 75
O
C
1.0
T
A
= 25
O
C
0
25
50
75
100
125
O
150
175
0.1
0
20
40
60
80
100
120
140
AMBIENT TEMPERATURE, ( C)
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG.2 TYPICAL FORWARD CURRENT
DERATING CURVE
FIG.3 TYPICAL REVERSE
CHARACTERISTICS
RATING AND CHARACTERISTICS CURVES ( UFM301 THRU UFM304 )
INSTANTANEOUS FORWARD CURRENT, (A)
PEAK FORWARD SURGE CURRENT, (A)
20
10
3.0
1.0
0.3
0.1
0.03
0.01
0
200
100
T
J
= 25 C
O
8.3ms Single Half Sine-Wave
(JEDED Method)
50
30
20
10
Pulse Width=300uS
1% Duty Cycle
0.5
1.0
1.5
2.0
2.5
3.0
3.5
1
5
10
50
100
INSTANTANEOUS FORWARD VOLTAGE, (V)
NUMBER OF CYCLES AT 60Hz
FIG.4 TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
200
JUNCTION CAPACITANCE, (pF)
FIG.5 MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
100
60
40
20
10
6
4
2
1
0.1 0.2
0.4
1.0
2
4
10
T
J
= 25
O
C
20
40
100
REVERSE VOLTAGE, (V)
FIG.6 TYPICAL JUNCTION CAPACITANCE
Mounting Pad Layout
0.185 MAX.
(4.69 MAX.)
0.121MIN.
(3.07 MIN.)
0.060 MIN.
(1.52 MIN.)
0.320
(8.127
) REF
Dimensions in inches and (millimeters)
DISCLAIMER NOTICE
Rectron Inc reserves the right to make changes without notice to any product
specification herein, to make corrections, modifications, enhancements or other
changes. Rectron Inc or anyone on its behalf assumes no responsibility or liabi-
lity for any errors or inaccuracies. Data sheet specifications and its information
contained are intended to provide a product description only. "Typical" paramet-
ers which may be included on RECTRON data sheets and/ or specifications ca-
n and do vary in different applications and actual performance may vary over ti-
me. Rectron Inc does not assume any liability arising out of the application or
use of any product or circuit.
Rectron products are not designed, intended or authorized for use in medical,
life-saving implant or other applications intended for life-sustaining or other rela-
ted applications where a failure or malfunction of component or circuitry may di-
rectly or indirectly cause injury or threaten a life without expressed written appr-
oval of Rectron Inc. Customers using or selling Rectron components for use in
such applications do so at their own risk and shall agree to fully indemnify Rect-
ron Inc and its subsidiaries harmless against all claims, damages and expendit-
ures.
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