BYD77Z SERIES
SURFACE MOUNT GLASS PASSIVATED JUNCTION ULTRAFAST EFFICIENT RECTIFIER
Reverse Voltage - 50 to 400 Volts Forward Current - 1.0 Ampere
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature
unless otherwise specified.
Maximum repetitive peak reverse voltage
Maximum average forward rectified current T
L
=110
o
C
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load
Maximum instantaneous forward voltage at 1.0 A
Maximum DC reverse current
at rated DC blocking voltage
T
A
=25
o
C
T
A
=125
o
C
Maximum reverse recovery time (NOTE 1)
Typical junction capacitance (NOTE 2)
SYMBOLS
V
RRM
I
(AV)
I
FSM
V
F
I
R
trr
C
J
100
150
200
250
300
400
1.0
30
0.95
1.0
1
50
25
50
10
UNITS
Volts
Maximum RMS voltage
V
RMS
70
105
140
175
210
280
Volts
Maximum DC blocking voltage
V
DC
100
BYD77ZA BYD77ZB BYD77ZC BYD77ZD BYD77ZE BYD77ZF BYD77ZG
50
35
50
150
200
250
300
400
Volts
Volts
Amps
Amps
uA
nS
pF
Operating junction and storage temperature range
T
J
,T
STG
-65 to +175
o
C
Zowie Technology Corporation
05/2003
*Dimensions in inches and (millimeters)
PATENT
ED
TM
1206
0.142 (3.60)
0.002 (0.05)
R0.0
16 (0
.40)
0.126 (3.20)
0.035 (0.90)
0.020 (0.50)
0.035 (0.90)
0.020 (0.50)
0
.
0
8
3
(
2
.
1
0
)
0
.
0
6
7
(
1
.
7
0
)
0
.
0
5
3
(
1
.
3
5
)
0
.
0
3
7
(
0
.
9
5
)
0
.
0
6
3
(
1
.
6
0
)
TM
NOTES : (1) Reverse recovery test condition : IF 0.5A, IR=1.0A, Irr=0.25A
(2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts
(3) Preliminary draft.
FEATURES
MECHANICAL DATA
* Lead free product
* Leadless chip form , no lead damage
* Solder joint , no wire bond & lead frame
* Low profile package
* For surface mounted applications
* Built-in strain relief
* Low power loss , High efficiency
* High current capability
* High surge capacity
* Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
Case : Packed with FRP substrate and epoxy underfilled
Terminals : Solder plated , solderable per MIL-STD-750,
Method 2026
Polarity : Laser marking
Weight : 0.02 gram
* Equivalent to SOD87, GL1M , SOD123
RATINGS AND CHARACTERISTIC CURVES BYD77Z SERIES
FIG.1 - FORWARD CURRENT DERATING CURVE
A
V
E
R
A
G
E
F
O
R
W
A
R
D
R
E
C
T
I
F
I
E
D
C
U
R
R
E
N
T
,
A
M
P
E
R
E
S
1.0
0.5
0
0
50
75
100
125
150
175
200
RESISTIVE OR
INDUCTIVE LOAD
LEAD TEMPERATURE,
o
C
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG.2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
P
E
A
K
F
O
R
W
A
R
D
S
U
R
G
E
C
U
R
R
E
N
T
,
A
M
P
E
R
E
S
NUMBER OF CYCLES AT 60Hz
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
0
5
10
15
20
30
25
1
10
100
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
I
N
S
T
A
N
T
A
N
E
O
U
S
R
E
V
E
R
S
E
L
E
A
K
A
G
E
C
U
R
R
E
N
T
,
M
I
C
R
O
A
M
P
E
R
E
S
0.1
0
20
1
10
100
T
J
=100
o
C
T
J
=125
o
C
40
60
80
100 110
FIG.5 - TYPICAL JUNCTION CAPACITANCE
T
J
= 25
o
C
REVERSE VOLTAGE, VOLTS
.1
1
J
U
N
C
T
I
O
N
C
A
P
A
C
I
T
A
N
C
E
,
p
F
40
200
.2
.4
1.0
2
4
10
20
40
100
2
4
10
6
20
60
100
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
I
I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
W
A
R
D
C
U
R
R
E
N
T
,
A
M
P
E
R
E
S
0.10
1.00
10.00
0.01
0.2
0.6
1.0
1.4
1.8
2.2
PULSE WIDTH=300uS
1% DUTY CYCLE
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
BY
D7
7Z
A~
BY
D7
7Z
D
BY
D7
7Z
E~
BY
D7
7Z
G
Zowie Technology Corporation
05/2003
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