BYW178_10 Datasheet, PDF (1/4 Pages) Vishay Siliconix – Ultra Fast Avalanche Sinterglass Diode

BYW178
Vishay Semiconductors
Ultra Fast Avalanche Sinterglass Diode
949588
MECHANICAL DATA
Case: SOD-64
Terminals: plated axial leads, solderable per MIL-STD-750,
method 2026
Polarity: color band denotes cathode end
Mounting position: any
Weight: approx. 858 mg
FEATURES
• Glass passivated junction
• Hermetically sealed package
• Low reverse current
• Soft recovery characteristics
• Very fast reverse recovery time
• Low reverse recovery peak current
• Compliant to RoHS directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
• Halogen-free according to IEC 61249-2-21 definition
APPLICATIONS
• Ultra fast rectification diode for switching mode power
supplies
PARTS TABLE
PART
BYW178
TYPE DIFFERENTIATION
V_R = 800 V; I_FAV = 3 A
PACKAGE
SOD-64
ABSOLUTE MAXIMUM RATINGS (T_amb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
PART
SYMBOL
Reverse voltage = repetitive peak reverse
voltage
See electrical characteristics
BYW178
V_R = V_RRM
Peak forward surge current
Repetitive peak forward current
Average forward current
Junction and storage temperature range
Non repetitive reverse
t_p = 10 ms, half sine wave
I_(BR)R = 0.4 A
I_FSM
I_FRM
I_FAV
T_j = T_stg
E_R
VALUE
800
80
15
3
- 55 to + 175
20
UNIT
V
A
A
A
°C
mJ
MAXIMUM THERMAL RESISTANCE (T_amb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL
VALUE
Junction lead
Lead length l = 10 mm, T_L = constant
R_thJL
25
Junction ambient
On PC board with spacing 37.5 mm
R_thJA
70
ELECTRICAL CHARACTERISTICS (T_amb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL MIN.
Forward voltage
I_F = 3 A
V_F
-
Reverse current
V_R = V_RRM
V_R = V_RRM, T_j = 100 °C
I_R
-
I_R
-
Reverse recovery current
I_F = 1 A, dI_F/dt ≤ - 50 A/μs, V_Batt = 200 V
l_RM
-
Reverse recovery time
I_F = 1 A, dI_F/dt ≤ - 50 A/μs,
V_Batt = 200 V, i_R = 0.25 x l_RM
t_rr
-
Reverse recovery time (JEDEC)
I_F = 0.5 A, l_R = 1 A, i_R = 0.25 A
t_rr
-
TYP.
-
-
-
2.2
50
-
Document Number: 86047 For technical questions within your region, please contact one of the following:
Rev. 1.7, 04-Aug-10
[e-mail], [e-mail], [e-mail]
UNIT
K/W
K/W
MAX.
1.9
1
20
-
-
60
UNIT
V
μA
μA
A
ns
ns
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