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20DL2C48A,U20DL2C48A,20FL2C48A,U20FL2C48A
TOSHIBA HIGH EFFICIENCY DIODE STACK (HED) SILICON EPITAXIAL TYPE
20DL2C48A, U20DL2C48A, 20FL2C48A, U20FL2C48A
SWITCHING MODE POWER SUPPLY APPLICATION
CONVERTER & CHOPPER APPLICATION
z Repetitive Peak Reverse Voltage : VRRM = 200 V, 300 V
z Average Output Rectified Current : IO = 20 A
z Ultra Fast Reverse-Recovery Time : trr = 35 ns (Max)
z Low Switching Losses and Output Noise
20DL2C48A, 20FL2C48A,
Unit in mm
U20DL2C48A, U20FL2C48A
JEDEC
JEITA
TOSHIBA
12-10D1A
JEDEC
JEITA
TOSHIBA
12-10D2A
1 2006-11-08

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20DL2C48A,U20DL2C48A,20FL2C48A,U20FL2C48A
ABSOLUTE MAXIMUM RATINGS (Ta = 25)
CHARACTERISTIC
20DL2C48A
Repetitive Peak
Reverse Voltage
U20DL2C48A
20FL2C48A
U20FL2C48A
Average Output Rectified Current
Peak One Cycle Surge Forward
Current
Junction Temparature
Storage Temparature Range
SYMBOL
VRRM
IO
IFSM
Tj
Tstg
RATING
200
300
20
100 (50Hz)
110 (60Hz)
40~150
40~150
UNIT
V
A
A
°C
°C
POLARITY
Note: Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the
significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even
if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum
ratings.
Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook
(“Handling Precautions”/Derating Concept and Methods) and individual reliability data (i.e. reliability test report
and estimated failure rate, etc).
ELECTRICAL CHARACTERISTICS (Ta = 25)
CHARACTERISTIC
SYMBOL
TEST CONDITION
20DL2C48A
Peak Forward
Voltage
U20DL2C48A
20FL2C48A
U20FL2C48A
Repetitive Peak Reverse Current
Reverse Recovery Time
Forward Recovery Time
Thermal Resistance
VFM
IFM=10A
IRRM
trr
tfr
Rth (j-c)
VRRM=Rated
IF=2A, di / dt=50A / μs
IF=1A
Total DC
VFM, IRRM, trr, tfr: A Value applied to one cell.
MARKING
MIN. TYP. MAX. UNIT
⎯ ⎯ 0.98
V
⎯ ⎯ 1.3
⎯⎯
50 μA
⎯⎯
35 ns
⎯ ⎯ 100 ns
⎯ ⎯ 1.6 °C / W
20DL2C
Characteristics
indicator
Part No. (or abbreviation code)
Lot No.
A line indicates
lead (Pb)-free package or
lead (Pb)-free finish.
Abbreviation Code
20DL2C
20DL2C
20FL2C
20FL2C
Part No.
20DL2C48A
U20DL2C48A
20FL2C48A
U20FL2C48A
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Handling Precaution
20DL2C48A,U20DL2C48A,20FL2C48A,U20FL2C48A
The absolute maximum ratings denote the absolute maximum ratings, which are rated values and must not be
exceeded during operation, even for an instant. The following are the general derating methods that we recommend
when you design a circuit with a device.
VRRM:
We recommend that the worst case voltage, including surge voltage, be no greater than 80% of the
absolute maximum rating of VRRM for a DC circuit and be no greater than 50% of that of VRRM for
an AC circuit. VRRM has a temperature coefficient of 0.1%/°C. Take this temperature coefficient into
account designing a device at low temperature.
IO: We recommend that the worst case current be no greater than 80% of the absolute maximum rating
of IO. Carry out adequate heat design. If you can’t design a circuit with excellent heat radiation, set
the margin by using an allowable Tamax-IO curve.
This rating specifies the non-repetitive peak current in one cycle of a 50-Hz sine wave, condition angle 180.
Therefore, this is only applied for an abnormal operation, which seldom occurs during the lifespan of the device.
We recommend that a device be used at a Tj of below 120°C under the worst load and heat radiation conditions.
Please refer to the Rectifiers databook for further information.
3 2006-11-08