Datasheet

UNISONIC TECHNOLOGIES CO., LTD
UMUR820
Preliminary
DIODE
SWITCHMODE POWER
RECTIFIERS

DESCRIPTION
The UTC UMUR820 is a switchmode power rectifiers, it uses
UTC’s advanced technology to provide customers with low forward
voltage and low leakage current, etc.
The UTC UMUR820 is suitable for free inverters and switching
power supplies, etc.

FEATURES
* Low forward voltage
* Low leakage current

SYMBOL

ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UMUR820L-TA2-T
UMUR820G-TA2-T
Note: Pin Assignment: A: Anode, K: Cathode
UMUR820L-TA2-T
Package
TO-220-2
1
K
Pin Assignment
2
3
A
NC
(1)Packing Type
(1) T: Tube
(2)Package Type
(2) TA2: TO-220-2
(3)Halogen Free
(3) L: Lead Free, G: Halogen Free
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
Packing
Tube
1 of 3
QW-R601-105.a
UMUR820

Preliminary
DIODE
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
DC Blocking Voltage
VR
200
V
Working Peak Reverse Voltage
VRWM
200
V
Peak Repetitive Reverse Voltage
VRRM
200
V
Average Rectified Forward Current Per Total Device,
IF(AV)
8.0
A
(Rated VR), TC=150°C
Peak Repetitive Forward Current (Rated VR, Square Wave,
IFM
16
A
20kHz), TC=150°C
Non-Repetitive Peak Surge Current (Surge Applied at
IFSM
100
A
Rated Load Conditions Halfwave, Single Phase, 60Hz)
Operating Junction Temperature
TJ
-65~+175
°C
Storage Temperature
TSTG
-65~+175
°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.

THERMAL CHARACTERISTICS
PARAMETER
SYMBOL
θJA
θJC
Junction to Ambient
Junction to Case

RATINGS
73
3.0
UNIT
°C/W
°C/W
ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
Instantaneous Forward Voltage (Note 1)
VF
Instantaneous Reverse Current (Note 1)
IR
Reverse Recovery Time
tRR
TEST CONDITIONS
IF=8.0A, TC=25°C
IF=8.0A, TC=150°C
Rated DC Voltage, TJ=25°C
Rated DC Voltage, TJ=150°C
IF=1.0A, di/dt=50A/µs
IF=0.5A, IR=1.0A, IREC=0.25A
MIN
TYP MAX UNIT
0.975 V
0.895 V
5.0
µA
250 µA
58
ns
53
ns
Note: Pulse Test: Pulse Width=300µs, Duty Cycle≤2.0%.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 3
QW-R601-105.a
UMUR820
Preliminary
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
3 of 3
QW-R601-105.a