SEME
LAB
MECHANICAL DATA
Dimensions in mm
1 0.6
0.8
4.6
BYV34–300M
BYV34–400M
BYV34–500M
5.1
0.2
52.0
5. 3
0.3
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
5.3
1 23
1 3 .7 0
1
3
8.51
5.1
0.9
6.4
1.0
2 .5 4
BSC
2. 70
BSC
2
5.8
FEATURES
• HERMETIC TO220 METAL OR CERAMIC
SURFACE MOUNT PACKAGE
• SCREENING OPTIONS AVAILABLE
• ALL LEADS ISOLATED FROM CASE
TO220 METAL
TO220SM
CERAMIC SURFACE MOUNT
ELECTRICAL CONNECTIONS
Common Cathode
BYV34-xxxM
1
1
2
2
3
3
3
Common Anode
BYV34-xxxAM
Series Connection
BYV34-xxxRM
1
2
• 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
= 10
m
s
T
case
= 70°C
BYV34
–300M
300V
300V
300V
BYV34
–400M
400V
300V
300V
200A
20A
BYV34
–500M
500V
400V
400V
(switching operation,
d
= 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.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
Prelim. 7/94
LAB
Parameter
I
R
V
F
*
t
rr
Q
rr
V
FP
Reverse Current
Forward Voltage
Reverse Recovery Time
Recovered Charge
SEME
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
= 30A
I
F
= 10A
I
F
= 1A
di / dt = 100A/
m
s
I
F
= 2A
di / dt = 20A/
m
s
Forward Recovery Overvoltage di / dt = 10A/
m
s
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
m
A
mA
V
ns
nC
V
* Pulse Test: t
p
£
300
m
s, duty cycle
£
2%.
THERMAL CHARACTERISTICS
(TO220 METAL CASE)
R
q
JC†
Thermal Resistance Junction – Case
1.6
°C/W
† Both diodes conducting.
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
Prelim. 7/94