Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
BYV34–300M
BYV34–400M
BYV34–500M
VRRM Peak Repetitive Reverse Voltage
VRWM Working Peak Reverse Voltage
VRContinuous Reverse Voltage
IFRM Repetitive Peak Forward Current tp= 10
m
s
IF(AV) Average Forward Current Tcase = 70°C
(switching operation,
d
= 0.5, both diodes conducting)
IFSM Surge Non Repetitive Forward Current tp= 10 ms
Tstg Storage Temperature Range
TjMaximum Operating Junction Temperature
300V 400V 500V
300V 300V 400V
300V 300V 400V
200A
20A
100A
–65 to 200°C
200°C
MECHANICAL DATA
Dimensions in mm
16.5
13.5
10.6
13.70
2.54
BSC
10.6
3.6
Dia.
0.8 4.6
1.0
2.70
BSC
123
3.60 (0.142)
Max.
3.70 (0.146)
3.41 (0.134)
3.70 (0.146)
3.41 (0.134)
0.89
(0.035)
min.
4.14 (0.163)
3.84 (0.151)
10.69 (0.421)
10.39 (0.409)
9.67 (0.381)
9.38 (0.369)
11.58 (0.456)
11.28 (0.444)
16.02 (0.631)
15.73 (0.619)
0.50 (0.020
)
0.26 (0.010
)
0.76
(0.030)
min.
13
2
HERMETICALLY SEALED
DUAL FAST RECOVERY
SILICON RECTIFIER
FOR HI–REL APPLICATIONS
•STANDARD (COMMON CATHODE)
•COMMON ANODE
•SERIES CONNECTION
FEATURES
•HERMETIC TO220 METAL OR CERAMIC
SURFACE MOUNT PACKAGE
•SCREENING OPTIONS AVAILABLE
•ALL LEADS ISOLATED FROM CASE
•VOLTAGE RANGE 300 TO 500V
•AVERAGE CURRENT 20A
•VERY LOW REVERSE RECOVERY TIME –
trr = 35ns
•VERY LOW SWITCHING LOSSES
TO220 METAL
ABSOLUTE MAXIMUM RATINGS(Tcase = 25°C unless otherwise stated)
Prelim. 7/00
LAB
SEME
SMD1
CERAMIC SURFACE MOUNT
BYV34
–300M BYV34
–400M BYV34
–500M
Applications include secondary rectification in
high frequency switching power supplies.
BYV34-xxxM BYV34-xxxAM BYV34-xxxRM
1 = A1Anode 1
2 = K Cathode
3 = A2Anode 2
1 = K1Cathode 1
2 = A Anode
3 = K2Cathode 2
1 = K1Cathode 1
2 = Centre Tap
3 = A2Anode
Common Cathode Common Anode Series Connection
ELECTRICAL CONNECTIONS
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.ukWebsite: http://www.semelab.co.ukPrelim. 7/00
LAB
SEME
Parameter Test Conditions Min. Typ. Max. Unit
IRReverse Current
VF*Forward Voltage
trr Reverse Recovery Time
Qrr Recovered Charge
VFPForward Recovery Overvoltage
VR= VRWM Tj= 25°C
VR= VRWM Tj= 100°C
IF= 30ATC= 25°C
IF= 10ATC= 100°C
IF= 1AV
R= 30V
di / dt = 100A/
m
s
IF= 2AV
R= 30V
di / dt = 20A/
m
s
di / dt = 10A/
m
sIF= 10A
50
0.6
1.7
1.05
50
50
2.5
m
A
mA
V
ns
nC
V
ELECTRICAL CHARACTERISTICS (per Diode) (Tcase = 25°C unless otherwise stated)
* Pulse Test: tp
£
300
m
s, duty cycle
£
2%.
R
q
JC†Thermal Resistance Junction – Case 1.6 °C/W
THERMAL CHARACTERISTICS (TO220 METAL CASE)
† Both diodes conducting.
BYV34–300M
BYV34–400M
BYV34–500M
