U20D20D thru U20D60D ®
U20D20D/U20D40D/U20D60D Pb
Pb Free Plating Product
20 Ampere Dual Doubler Polarity Ultra Fast Recovery Rectifier Diodes
TO-3P/TO-247AD Unit: inch (mm)
Features .640(16.25) .199(5.05)
Dual rectifier construction, positive center-tap .142(3.6)
.620(15.75) .175(4.45)
Plastic package has Underwriters Laboratory .125(3.2)
Flammability Classification 94V0
Glass passivated chip junctions
.839(21.3)
.819(20.8)
.600(15.25)
.580(14.75)
Superfast recovery time, high voltage
Low forward voltage, high current capability
.087(2.2)
.070(1.8)
Low thermal resistance
Low power loss, high efficiency .095(2.4)
High temperature soldering guaranteed:
.798(20.25)
.777(19.75)
.170(4.3)
.145(3.7)
o
260 C, 0.16”(4.06mm)from case for 10 seconds .126(3.2)
.110(2.8)
.050(1.25)
.045(1.15)
Mechanical Data .030(0.75)
.017(0.45)
Cases: TO-3P/TO-247AD molded plastic .225(5.7) .225(5.7)
Terminals: Pure tin plated, lead free solderable per .204(5.2) .204(5.2)
MIL-STD-750. Method 2026
Polarity: As marked
Mounting position: Any Case Case Case Case
Mounting torque: 10in-lbs. Max. Positive Negative Doubler Reverse Doubler
Weight: 6.5 gram approximately Common Cathode Common Anode Tandem Polarity Tandem Polarity
Suffix "C" Suffix "A" Suffix "D" Suffix "S"
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25oC ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
SYMBOL U20D20D U20D40D U20D60D UNIT
Maximum Recurrent Peak Reverse Voltage VRRM 200 400 600 V
Maximum RMS Voltage VRMS 140 280 420 V
Maximum DC Blocking Voltage VDC 200 400 600 V
Maximum Average Forward Rectified
o IF(AV) 20.0 A
Current TC=125 C
Peak Forward Surge Current, 8.3ms single
Half sine-wave superimposed on rated load IFSM 200 175 A
(JEDEC method)
Maximum Instantaneous Forward Voltage
VF 0.98 1.3 1.7 V
@ 10.0 A
Maximum DC Reverse Current @TJ=25 C
o
5.0 uA
o IR
At Rated DC Blocking Voltage @TJ=125 C 100 uA
Maximum Reverse Recovery Time (Note 1) Trr 35 nS
Typical junction Capacitance (Note 2) CJ 120 70 pF
Operating Junction and Storage -55 to +150 o
TJ, TSTG C
Temperature Range
NOTES : (1) Reverse recovery test conditions IF = 0.5A, IR = 1.0A, Irr = 0.25A.
(2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts DC.
Rev.05 Page 1/2
© 2006 Thinki Semiconductor Co.,Ltd. http://www.thinkisemi.com/
U20D20D thru U20D60D ®
FIG.1 - FORWARD CURRENT DERATING CURVE FIG.2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
20 200
Pulse Width 8.3ms
PEAK FORWARD SURGE CURRENT,
Single Half-Sire-Wave
AVERAGE FORWARD RECTIFIED
175 (JEDEC Method)
16
CURRENT, AMPERES
150
U20D20D
10
125
AMPERES
8 100
U20D40D-U20D60D
75
6
50
4
60 Hz Resistive or 25
Inductive load
0 0
0 50 100 150 1 10 100
o NUMBER OF CYCLES AT 60Hz
CASE TEMPERATURE, C
FIG.3 - TYPICAL INSTANTANEOUS FIG.4 - TYPICAL REVERSE CHARACTERISTICS
FORWARD CHARACTERISTICS
100 1000
IINSTANTANEOUS FORWARD CURRENT,
INSTANTANEOUS REVERSE CURRENT,
U20D20D
o
U20D40D TJ=125 C
100
MICROAMPERES
10
AMPERES
10
U20D60D
o
TJ=25 C
0.1
1
TJ=25 oC
PULSE WIDTH=300uS
1% DUTY CYCLE
0.01 0.1
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 20 40 60 80 100
INSTANTANEOUS FORWARD VOLTAGE, PERCENT OF RATED PEAK REVERSE VOLTAGE,%
VOLTS
FIG.5 - TYPICAL JUNCTION CAPACITANCE
1000 o
TJ = 25 C
f = 1.0 MHZ
Vsig = 50mVp-p
JUNCTION CAPACITANCE, pF
100
10
0.1 1.0 4.0 10 100
REVERSE VOLTAGE, VOLTS
Rev.05 Page 2/2
© 2006 Thinki Semiconductor Co.,Ltd. http://www.thinkisemi.com/
