Certificate TH97/10561QM
Certificate TW00/17276EM
BYD77A - BYD77G
PRV : 50 - 400 Volts
Io : 2.0 Amperes
FEATURES :
*
*
*
*
*
Glass passivated
High maximum operating temperature
Low leakage current
Excellent stability
Guaranteed avalanche energy
absorption capability
* Smallest surface mount rectifier outline
* Pb / RoHS Free
ULTRA FAST LOW-LOSS
CONTROLLED AVALANCHE RECTIFIER
MELF (Plastic)
Cathode Mark
φ
0.102 (2.6)
0.094 (2.4)
0.022(0.55)
0.205(5.2)
0.189(4.8)
MECHANICAL DATA :
* Case : Molded plastic
* Terminals : Plated Terminals, solderable per
MIL-STD-750 Method 2026
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.116 gram
Dimensions in inches and ( millimeters )
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25 °C ambient temperature unless otherwise specifie
RATING
Maximum Repetitive Peak Reverse Voltage
Maximum Continuous Reverse Voltage
Min. Reverse Avalanche Breakdown Voltage @ I
R
= 0.1 mA
Maximum Average Forward Current
Maximum Non-Repetitive Peak Forward Surge Current (Note 3)
Maximum Repetitive Peak Forward Current at Ttp = 105 °C
Maximum Forward Voltage at I
F
= 1.0 A ; T
J
= 25 °C
Maximum Reverse Current at V
R
=V
RRMmax
Maximum Reverse Recovery Time (Note 4)
Thermal Resistance from Junction to Tie-Point
Thermal Resistance from Junction to Ambient (Note 5)
Junction Temperature Range
Storage Temperature Range
T
J
= 25 °C
T
J
= 165 °C
SYMBOL
V
RRM
V
R
V
(BR)R-min
I
F(AV)
I
FSM
I
FRM
V
F
I
R
I
R(H)
Trr
R
th j-tp
R
th j-a
T
J
T
STG
BYD BYD BYD BYD BYD BYD BYD
UNIT
77A 77B 77C 77D 77E 77F 77G
50 100 150 200 250 300 400
V
50
55
100
110
150
165
200
220
250
275
300
330
1.85
(1)
0.80
(2)
25
15
0.98
1.0
100
25
30
150
- 65 to + 175
- 65 to + 175
50
13
1.05
400
440
V
V
A
A
A
V
μA
μA
ns
K/W
K/W
°C
°C
2.0
(1)
0.85
(2)
Notes :
(1) Ttp = 105 °C; see Fig. 1and 2; averaged over any 20 ms period; see also Fig.5 and 6
(2) Tamb = 60 °C; PCB mounting ; see Fig. 3 and 4; averaged over any 20 ms period; see also Fig.5 and 6
(3) t=10ms half sine wave; Tj = Tjmax prior to surge; V = V
RRMmax
R
(4) Reverse Recovery Test Conditions :
I
F
= 0.5 A, I
R
= 1.0 A, Irr = 0.25 A.
(5) Device mounted on an epoxy-glass printed-circuit board, 1.5 mm thick; thickness of Cu-lay
≤
40
μm.
Page 1 of 3
Rev. 02 : November 7, 2006
Certificate TH97/10561QM
Certificate TW00/17276EM
RATING AND CHARACTERISTIC CURVES ( BYD77A - BYD77G )
FIG.1 - MAXIMUM PERMISSIBLE AVERAGE FORWARD
CURRENT AS A FUNCTION OF TIE-POINT TEMPERATURE
4
FIG.2 - MAXIMUM PERMISSIBLE AVERAGE FORWARD
CURRENT AS A FUNCTION OF TIE-POINT TEMPERATURE
4
AVERAGE FORWARD OUTPUT
CURRENT, I
F(AV)
(A)
BYD77A to D
3
AVERAGE FORWARD OUTPUT
CURRENT, I
F(AV)
(A)
BYD77E to G
3
2
2
1
1
0
0
100
200
0
0
100
200
TIE-POINT TEMPERATURE, Ttp (
°
C)
FIG.3 - MAXIMUM PERMISSIBLE AVERAGE FORWARD
CURRENT AS A FUNCTION OF AMBIENT TEMPERATURE
1.2
TIE-POINT TEMPERATURE, Ttp (
°
C)
FIG.4 - MAXIMUM PERMISSIBLE AVERAGE FORWARD
CURRENT AS A FUNCTION OF AMBIENT TEMPERATURE
1.2
AVERAGE FORWARD OUTPUT
CURRENT, I
F(AV)
(A)
AVERAGE FORWARD OUTPUT
CURRENT, I
F(AV)
(A)
BYD77A to D
1.0
BYD77E to G
1.0
0.8
0.8
0.6
0.6
0.4
0.4
0.2
0
0
100
200
0.2
0
0
100
200
AMBIENT TEMPERATURE, Tamp (
°
C)
FIG.5 - MAXIMUM STEADY STATE POWER DISSIPATION
AS A FUNCTION OF AVERAGE FORWARD CURRENT
POWER DISSIPATION, P
D
(W)
2
AMBIENT TEMPERATURE, Tamp (
°
C)
FIG.6 - MAXIMUM STEADY STATE POWER DISSIPATION
AS A FUNCTION OF AVERAGE FORWARD CURRENT
2
1
POWER DISSIPATION, P
D
(W)
a =3
2.5 2 1.57
1.42
a =3
2.5 2 1.57
1.4
1
BYD77A to D
BYD77E to G
a = I
F(RMS)
/I
F(AV)
; V
R
= V
RRMmax
;
δ
= 0.5
0
0
1
2
a = I
F(RMS)
/I
F(AV)
; V
R
= V
RRMmax
;
δ
= 0.5
0
0
1
2
AVERAGE FORWARD OUTPUT
CURRENT, I
F(AV)
(A)
AVERAGE FORWARD OUTPUT
CURRENT, I
F(AV)
(A)
Page 2 of 3
Rev. 02 : November 7, 2006
Certificate TH97/10561QM
Certificate TW00/17276EM
RATING AND CHARACTERISTIC CURVES ( BYD77A- BYD77G )
FIG.7 - FORWARD CURRENT AS FUNCTION
OF FORWARD VOLTAGE
FIG.8 - FORWARD CURRENT AS FUNCTION
OF FORWARD VOLTAGE
10
10
FORWARD CURRENT, I
F
(A)
FORWARD CURRENT, I
F
(A)
BYD77A to D
8
T
J
= 25 °C
BYD77E to G
8
T
J
= 25 °C
6
6
4
4
2
2
0
0
1
2
0
0
1
2
3
FORWARD VOLTAGE, V
F
(V)
FORWARD VOLTAGE, V
F
(V)
FIG.9 - REVERSE CURRENT AS FUNCTION
OF JUNCTION TEMPERATURE
1000
REVERSE CURRENT, I
R
(μA)
100
V
R
=V
RRMmax
10
1
0
10
200
JUNCTION TEMPERATURE, T
J
( °C)
Page 3 of 3
Rev. 02 : November 7, 2006
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