Datasheet

UNISONIC TECHNOLOGIES CO., LTD
BYC5
DIODE
Preliminary
ULTRAFAST, LOW SWITCHING
LOSS RECTIFIER DIODE

DESCRIPTION
The UTC BYC5 is a rectifier diode. It provides the designers with
ultra-fast switching and low switching loss.
The UTC BYC5 is suitable for half-bridge lighting ballasts,
half-bridge/full-bridge switched mode power supplies and active power
factor correction applications.

FEATURES
* Low Reverse Recovery Current
* Ultra-Fast Switching
* Low Switching Loss
* Low Thermal Resistance

SYMBOL
TO-220-2

TO-252
ORDERING INFORMATION
Ordering Number
Package
Lead Free
Halogen Free
BYC5L-6-TA2-T
BYC5G-6-TA2-T
TO-220-2
BYC5L-6-TN3-T
BYC5G-6-TN3-T
TO-252
BYC5L-6-TN3-R
BYC5G-6-TN3-R
TO-252
Note: Pin Assignment: A: Anode K: Cathode Tab: Mounting Base

Pin Assignment
1
2
3
K
A
NC
NC
K
A
NC
K
A
Packing
Tube
Tube
Tape Reel
MARKING
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BYC5

DIODE
Preliminary
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Peak Repetitive Reverse Voltage
VRRM
600
V
Crest Working Reverse Voltage
VRWM
600
V
Continuous Reverse Voltage TTab ≤ 110°C
VR
500
V
δ =0.5; with reapplied VRRM(max);
IF(AV)
Average Forward Current
5
A
TTab ≤89°C
Repetitive Peak Forward
δ =0.5; with reapplied VRRM(max);
IFRM
10
A
Current
TTab ≤ 89°C
t = 10ms
40
A
Non-Repetitive Peak Forward t = 8.3ms
IFSM
Current
sinusoidal; TJ =150°C prior to
44
A
surge with reapplied VRWM(max)
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 CHARACTERISTICS
PARAMETER
TO-220-2
Junction to Ambient
TO-252
TO-220-2
Junction to Case
TO-252

SYMBOL
θJA
θJC
RATINGS
60
80
2.5
3.5
UNIT
°C/W
°C/W
°C/W
°C/W
ELECTRICAL CHARACTERISTICS (TJ =25°C, unless otherwise specified)
PARAMETER
SYMBOL
Forward Voltage
VF
Reverse Current
IR
Reverse Recovery Time
tRR
Peak Reverse Recovery
Current
Forward Recovery Voltage
IRRM
VFR
TEST CONDITIONS
IF =5A, TJ =150°C
IF =10A, TJ =150°C
IF =5A
VR=600V
VR=500V, TJ=100°C
IF =1A, VR=30V, dIF/dt=50A/μs
IF=5A, VR=400V,
dIF/dt=500A/μs
TJ=100°C
dIF/dt=50A/μs
IF=5A, VR=400V, TJ=125°C
dIF/dt=500A/μs
IF =10A, dIF/dt=100A/μs
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN TYP
1.4
1.75
2.0
9
0.9
30
19
25
0.7
8
9
MAX UNIT
1.75 V
2.2
V
2.9
V
100 µA
3.0 mA
50
ns
ns
30
ns
3
A
11
A
11
V
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BYC5
DIODE
Preliminary
TYPICAL CHARACTERISTICS

VIN
VIN
150uH typ
VIN=400V d.c.
IL
IR IF
Output Diode
500V MOSFET
ID
Inductive load
IL
VO=400V d.c.
Fig.1. Typical application, output rectifier in boost
converter power factor correction circuit. Continuous
conduction mode, where the transistor turns on
whilst forward current is still flowing in the diode.
Fig.2. Typical application, freewheeling diode in half
bridge converter. Continuous conduction mode, where
each transistor turns on whilst forward current is still
flowing in the other bridge leg 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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