BYD77AA - BYD77GA ULTRA FAST LOW-LOSS
CONTROLLED AVALANCHE RECTIFIERS
PRV : 50 - 400 Volts
Io : 2.0 Am
p
eres
FEATURES :
* Glass passivated
j
unction chip
* Hi
g
h maximum operatin
g
temperature
* Low leaka
g
e current
* Excellent stabilit
y
* Smallest surface mount rectifier outline
* Pb / RoHS Free
MECHANICAL DATA
:
* Case : SMA Molded plasti
c
* Epox
y
: UL94V-O rate flame retardan
t
* Lead : Lead Formed for Surface Mount
* Polarit
: Color band denotes cathode en
* Mountin
g
position : An
y
* Wei
g
ht : 0.067
g
ram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratin
g
at 25 °C ambient temperature unless otherwise specified
BYD BYD BYD BYD BYD BYD BYD
77AA 77BA 77CA 77DA 77EA 77FA 77GA
Maximum Repetitive Peak Reverse Voltage VRRM 50 100 150 200 250 300 400 V
Maximum Continuous Reverse Voltage VR50 100 150 200 250 300 400 V
Min. Reverse Avalanche Breakdown Voltage @ IR = 0.1 mA V(BR)R-min 55 110 165 220 275 330 440 V
Maximum Average Forward Current
Maximum Non-Repetitive Peak Forward Surge Current (Note 3) IFSM A
Maximum Repetitive Peak Forward Current at Ttp = 105 °C IFRM A
Maximum Forward Voltage at IF = 1.0 A ; TJ = 25 °C VFV
Maximum Reverse Current at VR =VRRMmax TJ = 25 °C IRμA
TJ = 165 °C IR(H) μA
Maximum Reverse Recovery Time (Note 4) Trr ns
Thermal Resistance from Junction to Tie-Point Rth j-tp K / W
Thermal Resistance from Junction to Ambient (Note 5) Rth j-a K / W
Junction Temperature Range TJ°C
Storage Temperature Range TSTG °C
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; VR = VRRMmax
(4) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A.
(5) Device mounted on an epoxy-glass printed-circuit board, 1.5 mm thick; thickness of Cu-layer ≤ 40 μm.
Page 1 of 3 Rev. 00 : February 13, 2008
UNIT
15 13
SYMBOLRATING
25
2.0 (1) 1.85 (1)
IF(AV) A
0.85(2) 0.80 (2)
- 65 to + 175
0.98 1.05
1.0
100
25 50
30
150
- 65 to + 175
2.0 ± 0.2
2.1 ± 0.2
SMA (DO-214AC)
1.2
±
0.2
5.0 ± 0.15
4.5 ± 0.15
2.6 ± 0.15
Dimensions in millimeters
1.1
±
0.3
0.2
±
0.07
IATF 0060636
SGS TH07/1033
TW00/17276EM
TH97/10561QM
FIG.1 - MAXIMUM PERMISSIBLE AVERAGE FORWARD FIG.2 - MAXIMUM PERMISSIBLE AVERAGE FORWARD
CURRENT AS A FUNCTION OF TIE-POINT TEMPERATURE CURRENT AS A FUNCTION OF TIE-POINT TEMPERATURE
0 100 200 0 100 200
TIE-POINT TEMPERATURE, Ttp ( °C) TIE-POINT TEMPERATURE, Ttp ( °C)
FIG.3 - MAXIMUM PERMISSIBLE AVERAGE FORWARD FIG.4 - MAXIMUM PERMISSIBLE AVERAGE FORWARD
CURRENT AS A FUNCTION OF AMBIENT TEMPERATURE CURRENT AS A FUNCTION OF AMBIENT TEMPERATURE
0 100 200 0 100 200
AMBIENT TEMPERATURE, Tamp ( °C) AMBIENT TEMPERATURE, Tamp ( °C)
FIG.5 - MAXIMUM STEADY STATE POWER DISSIPATION FIG.6 - MAXIMUM STEADY STATE POWER DISSIPATION
AS A FUNCTION OF AVERAGE FORWARD CURRENT AS A FUNCTION OF AVERAGE FORWARD CURRENT
0 1 2 0 1 2
Page 2 of 3 Rev. 00 : February 13, 2008
RATING AND CHARACTERISTIC CURVES ( BYD77AA - BYD77GA )
4
3
2
1
0
AVERAGE FORWARD OUTPUT
CURRENT, IF(AV) (A)
0
4
3
2
1
AVERAGE FORWARD OUTPUT
CURRENT, IF(AV) (A)
AVERAGE FORWARD OUTPUT
CURRENT, IF(AV) (A)
0
AVERAGE FORWARD OUTPUT
CURRENT, IF(AV) (A)
0
0.4
0.8
1.2
0.4
0.8
1.2
0.2
0.6
1.0
1.0
0.6
0.2
AVERAGE FORWARD OUTPUT
CURRENT, IF(AV) (A)
a = IF(RMS)/IF(AV) ; VR = VRRMmax ; δ = 0.5
POWER DISSIPATION, PD (W)
POWER DISSIPATION, PD (W)
AVERAGE FORWARD OUTPUT
CURRENT, IF(AV) (A)
a = IF(RMS)/IF(AV) ; VR = VRRMmax ; δ = 0.5
0
1
2 2
1
0
a =3 2.5 21.57 1.42 a =3 2.5 21.57 1.42
BYD77AA to DA
BYD77AA to DA
BYD77AA to DA BYD77EA to GA
BYD77EA to GA
BYD77EA to GA
IATF 0060636
SGS TH07/1033
TW00/17276EM
TH97/10561QM
RATING AND CHARACTERISTIC CURVES ( BYD77AA- BYD77GA )
FIG.7 - FORWARD CURRENT AS FUNCTION FIG.8 - FORWARD CURRENT AS FUNCTION
OF FORWARD VOLTAGE OF FORWARD VOLTAGE
0 1 2 0 1 2 3
FIG.9 - REVERSE CURRENT AS FUNCTION
OF JUNCTION TEMPERATURE
Page 3 of 3 Rev. 00 : February 13, 2008
1000
100
1
10
100
0200
JUNCTION TEMPERATURE, TJ ( °C)
REVERSE CURRENT, IR (μA)
VR =VRRMmax
FORWARD CURRENT, IF (A)
FORWARD VOLTAGE, VF (V)
TJ = 25 °C
0
10
8
6
4
2
FORWARD CURRENT, IF (A)
FORWARD VOLTAGE, VF (V)
0
10
8
6
4
2
TJ = 25 °C
BYD77AA to DA BYD77EA to GA
IATF 0060636
SGS TH07/1033
TW00/17276EM
TH97/10561QM