Datasheet

UNISONIC TECHNOLOGIES CO., LTD
U30D40D
Preliminary
FAST RECOVERY EPITAXIAL DIODE
SWITCHMODE DUAL
ULTRAFAST POWER RECTIFIER

DESCRIPTION
The UTC U30D40D is a switchmode dual ultrafast power rectifier,
it uses UTC’s advanced technology to provide customers with high
current capability, low forward voltage drop and high switching speed,
etc.
The UTC U30D40D is suitable for switching power supplies,
inverters and as free wheeling diodes, etc.

1
TO-247
FEATURES
* Low forward voltage drop
* High switching speed
* High current capability
* High surge capacity
* Low power loss

SYMBOL

ORDERING INFORMATION
Ordering Number
Lead Free
U30D40DL-T47-T
Halogen Free
U30D40DG-T47-T
Package
Packing
TO-247
Tube
U30D40DL-T47-T

(1)Packing Type
(1) T: Tube
(2)Package Type
(2) T47: TO-247
(3)Green Package
(3) L: Lead Free, G: Halogen Free and Lead Free
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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U30D40D

Preliminary
FAST RECOVERY EPITAXIAL DIODE
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
DC Blocking Voltage
VR
400
V
Working Peak Reverse Voltage
VRWM
400
V
Peak Repetitive Reverse Voltage
VRRM
400
V
RMS Reverse Voltage
VR(RMS)
280
V
15
A
Per Leg
Average Rectified Forward Current
IF(AV)
TC=125°C
Per Total Device
30
A
Peak Repetitive Forward Current (Rate VR, Square
IFM
30
A
Wave, 20kHz, TC=125°C)
Non-Repetitive Peak Surge Current (Surge Applied at
IFSM
250
A
Rate Load Conditions Halfware, Single Phase, 60Hz)
Junction Temperature
TJ
-65~+150
°C
Storage Temperature
TSTG
-65~+150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.

ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
Instantaneous Forward Voltage
VF
Instantaneous Reverse Current
IR
TEST CONDITIONS
IF=15A, TC=25°C
IF=15A, TC=100°C
Rated DC Voltage, TC=25°C
Rated DC Voltage, TC=125°C
Reverse Recovery Time (Note 2)
Trr
Junction Capacitance (Note 1)
CJ
Notes: 1. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
2. Reverse Recovery Test Conditions: IF=0.5A, IR=1A, Irr=0.25A.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
TYP MAX UNIT
1.30
V
1.16
V
10
μA
700 μA
50
ns
150
pF
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Preliminary
FAST RECOVERY EPITAXIAL DIODE
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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