Datasheet

UNISONIC TECHNOLOGIES CO., LTD
BYC8
DIODE
ULTRAFAST, LOW SWITCHING
LOSS RECTIFIER DIODE

DESCRIPTION
The UTC BYC8 is a rectifier diode. It provides the designers with
ultra-fast switching and low switching loss in associated MOSFET.
The UTC BYC8 is generally applied in continuous current
mode(CCM), power factor correction (PFC), half-bridge lighting
ballasts and half-bridge/full-bridge switched mode power supplies.

FEATURES
* Low Reverse Recovery Current
* Ultra-Fast Switching
* Low Switching Loss In Associated MOSFET
* Low Thermal Resistance

SYMBOL

ORDERING INFORMATION
Ordering Number
Package
Lead Free
Halogen Free
BYC8L-6-TA2-T
BYC8G-6-TA2-T
TO-220-2
BYC8L-6-TN3-R
BYC8G-6-TN3-R
TO-252
BYC8L-6-SMB-R
BYC8G-6-SMB-R
SMB
Note: Pin Assignment: A: Anode K: Cathode Tab: Mounting Base

Pin Assignment
1
2
Tab
K
A
K
NC
A
K
K
A
-
Packing
Tube
Tape Reel
Tape Reel
MARKING
TO-220-2 / TO-252
SMB
Cathode Band for
uni-directional Only
www.unisonic.com.tw
Copyright © 2016 Unisonic Technologies Co., Ltd
UTC
BYC8
Date Code
L: Lead Free
G: Halogen Free
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QW-R601-025.g
BYC8

DIODE
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Peak Repetitive Reverse Voltage
VRRM
600
V
Crest Working Reverse Voltage
VRWM
600
V
square-wave pulse;δ =0.5;
IF(AV)
Average Forward Current
8
A
TTab ≤109°C
square-wave pulse; δ =0.5;
IFRM
Repetitive Peak Forward Current
16
A
tP = 25µs, TTab ≤109°C
Non-Repetitive Peak Forward
tP=8.3ms,sine-wave pulse;
IFSM
60
A
Current
TJ =150°C
Operating Junction Temperature
TJ
150
°C
Storage Temperature
TSTG
-40 ~ +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.

THERMAL DATA
PARAMETER
SYMBOL
TO-220-2
Junction to Ambient
TO-252
SMB
TO-220-2
Junction to Tab
TO-252
SMB
Note: Mounted on PCB with minimum pad size.

θJA
θJB
RATINGS
60
110
90 (Note)
2.2
2.5
18 (Note)
UNIT
K/W
K/W
K/W
K/W
K/W
K/W
ELECTRICAL CHARACTERISTICS (TJ =25°C, unless otherwise specified)
PARAMETER
SYMBOL
Forward Voltage
VF
Reverse Current
IR
Recovered Charge
Reverse Recovery Time
QR
tRR
Peak Reverse Recovery Current
Forward Recovery Voltage
IRM
VFR
TEST CONDITIONS
MIN TYP MAX UNIT
IF =8A, TJ =25°C
2
2.9
V
IF =8A, TJ =150°C
1.4 1.85
V
IF =16A, TJ =150°C
1.7 2.3
V
VR=600V
9
150 µA
VR=500V, TJ=100°C
1.1
3
mA
IF =1A, dIF/dt=100A/μs, TJ =25°C
12
nC
IF =1A, VR=30V, dIF/dt=50A/μs, TJ =25°C
30
52
ns
IF=8A,VR=400V,
TJ=100°C
32
40
ns
dIF/dt=500A/μs
19
ns
TJ=25°C (See Figure1)
IF=8A,VR=400V, dIF/dt=50A/μs, TJ=125°C
1.5 5.5
A
IF=8A,VR=400V, dIF/dt=500A/μs, TJ=100°C
9.5
12
A
IF =10A, dIF/dt=100A/μs(See Figure2)
8
10
V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 3
QW-R601-025.g
BYC8

DIODE
TYPICAL CHARACTERISTICS
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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QW-R601-025.g
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