SEME
LAB
MECHANICAL DATA
Dimensions in mm
0 .8 9
(0 .0 3 5 )
m in .
3 .7 0 (0 .1 4 6 )
3 .7 0 (0 .1 4 6 )
3 .4 1 (0 .1 3 4 )
3 .4 1 (0 .1 3 4 )
4 .1 4 (0 .1 6 3 )
3 .8 4 (0 .1 5 1 )
BYV34–300M
BYV34–400M
BYV34–500M
1 0.6
0.8
4.6
3 .6 0 (0 .1 4 2 )
M a x .
HERMETICALLY SEALED
DUAL FAST RECOVERY
SILICON RECTIFIER
FOR HI–REL APPLICATIONS
• STANDARD (COMMON CATHODE)
• COMMON ANODE
• SERIES CONNECTION
16.5
3.6
Dia.
1 3 .5
1 0 .6
0 .7 6
(0 .0 3 0 )
m in .
1
3
1 0 .6 9 (0 .4 2 1 )
1 0 .3 9 (0 .4 0 9 )
1 23
1 3 .7 0
2
1.0
2 .5 4
BSC
2. 70
BSC
9
9
1 1
1 1
.6
.3
.5
.2
7 (
8 (
8 (
8 (
0 .3
0 .3
0 .4
0 .4
8 1
6 9
5 6
4 4
)
)
1 6 .0 2 (0 .6 3 1 )
1 5 .7 3 (0 .6 1 9 )
)
)
0 .5 0 (0 .0 2 0 )
0 .2 6 (0 .0 1 0 )
FEATURES
• HERMETIC TO220 METAL OR CERAMIC
SURFACE MOUNT PACKAGE
• SCREENING OPTIONS AVAILABLE
• ALL LEADS ISOLATED FROM CASE
TO220 METAL
SMD1
CERAMIC SURFACE MOUNT
ELECTRICAL CONNECTIONS
Common Cathode
BYV34-xxxM
1
2
3
3
Common Anode
BYV34-xxxAM
1
2
Series Connection
BYV34-xxxRM
1
2
3
• VOLTAGE RANGE 300 TO 500V
• AVERAGE CURRENT 20A
• VERY LOW REVERSE RECOVERY TIME –
trr = 35ns
• VERY LOW SWITCHING LOSSES
Applications include secondary rectification in
high frequency switching power supplies.
1 = A1 Anode 1
2 = K Cathode
3 = A2 Anode 2
1 = K1 Cathode 1
2 = A Anode
3 = K2 Cathode 2
1 = K1 Cathode 1
2 = Centre Tap
3 = A2 Anode
ABSOLUTE MAXIMUM RATINGS
(T
case
= 25°C unless otherwise stated)
V
RRM
V
RWM
V
R
I
FRM
I
F(AV)
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
Continuous Reverse Voltage
Repetitive Peak Forward Current
Average Forward Current
t
p
= 10µs
T
case
= 70°C
BYV34
–300M
300V
300V
300V
BYV34
–400M
400V
300V
300V
200A
20A
BYV34
–500M
500V
400V
400V
(switching operation,
δ
= 0.5, both diodes conducting)
I
FSM
T
stg
T
j
Surge Non Repetitive Forward Current
Storage Temperature Range
Maximum Operating Junction Temperature
t
p
= 10 ms
100A
–65 to 200°C
200°C
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
Document Number 7916
Issue 1
SEME
LAB
Parameter
I
R
V
F
*
t
rr
Q
rr
V
FP
Reverse Current
Forward Voltage
Reverse Recovery Time
Recovered Charge
BYV34–300M
BYV34–400M
BYV34–500M
ELECTRICAL CHARACTERISTICS
(per Diode) (Tcase = 25°C unless otherwise stated)
Test Conditions
V
R
= V
RWM
V
R
= V
RWM
I
F
= 20A
I
F
= 10A
I
F
= 1.0A
di / dt = 100A/µs
I
F
= 2A
di / dt = 20A/µs
Forward Recovery Overvoltage di / dt = 10A/µs
I
F
= 10A
2.5
V
R
= 30V
50
T
j
= 25°C
T
j
= 100°C
T
C
= 25°C
T
C
= 100°C
V
R
= 30V
Min.
Typ.
Max.
50
0.6
1.7
1.05
50
Unit
µA
mA
V
ns
nC
V
* Pulse Test: t
p
≤
300µs, duty cycle
≤
2%.
THERMAL CHARACTERISTICS
(TO220 METAL CASE)
R
θJC
†
Thermal Resistance Junction – Case
1.6
°C/W
† Both diodes conducting.
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
Document Number 7916
Issue 1
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