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BYV37, BYV38
Vishay Semiconductors
Fast Avalanche Sinterglass Diode
949539
MECHANICAL DATA Case: SOD-57 Terminals: plated axial leads, solderable per MIL-STD-750, method 2026 Polarity: color band denotes cathode end Mounting position: any Weight: approx. 369 mg
FEATURES • Glass passivated junction • Hermetically sealed package • Low reverse current • Soft recovery characteristics • Material categorization:
For definitions of compliance please see www.vishay.com/doc?99912
APPLICATIONS • Fast “soft recovery” rectification diode
ORDERING INFORMATION (Example)
DEVICE NAME
ORDERING CODE
TAPED UNITS
BYV38
BYV38-TR
5000 per 10" tape and reel
BYV38
BYV38-TAP
5000 per ammopack
MINIMUM ORDER QUANTITY 25 000 25 000
PARTS TABLE
PART BYV37 BYV38
TYPE DIFFERENTIATION VR = 800 V; IF(AV) = 2 A VR = 1000 V; IF(AV) = 2 A
PACKAGE SOD-57 SOD-57
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
PART
SYMBOL
Reverse voltage
See electrical characteristics
BYV37 BYV38
VR = VRRM VR = VRRM
Peak forward surge current
tp = 10 ms, half sine wave
IFSM
Average forward current
IF(AV)
Non repetitive reverse avalanche energy
I(BR)R = 0.4 A
ER
Junction and storage temperature range
Tj = Tstg
VALUE 800 1000 50 2 10
- 55 to + 175
UNIT V V A A mJ °C
MAXIMUM THERMAL RESISTANCE (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL
Junction ambient
Lead length l = 10 mm, TL = constant On PC board with spacing 25 mm
RthJA RthJA
VALUE 45 100
UNIT K/W K/W
Rev. 1.8, 04-Sep-12
1 Document Number: 86045
For technical questions within your region:
[email protected],
[email protected],
[email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
www.vishay.com
BYV37, BYV38
Vishay Semiconductors
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
PART SYMBOL MIN.
Forward voltage
Reverse current
Reverse recovery time Diode capacitance
IF = 1 A VR = VRRM VR = VRRM, Tj = 150 °C IF = 0.5 A, IR = 1 A, iR = 0.25 A VR = 4 V, f = 1 MHz
VF IR IR trr CD -
TYPICAL CHARACTERISTICS (Tamb = 25 C, unless otherwise specified)
TYP. 1 15
MAX. 1.1 5 150 300 -
UNIT V μA μA ns pF
RthJA - Ther. Resist. Junction/Ambient (K/W)
120
100
80
60 ll
40
20
0 0
949552
TL = constant
5 10 15 20 25 l - Lead Length (mm)
30
Fig. 1 - Max. Thermal Resistance vs. Lead Length
PR - Reverse Power Dissipation (mW)
500 450 VR = VRRM
400
350
300 RthJA = 45 K/W
250 100 K/W 200
160 K/W 150
100
50
0 25
15774
BYV38
BYV37
50 75 100 125 150 Tj - Junction Temperature (°C)
175
Fig. 2 - Max. Reverse Power Dissipation vs. Junction Temperature
1000
VR = VRRM
100
IR - Reverse Current (A)
10
1 25
15775
50 75 100 125 150 Tj - Junction Temperature (°C)
175
Fig. 3 - Max. Reverse Current vs. Junction Temperature
IF - Forward Current (A)
10
1 Tj = 175 °C Tj = 25 °C
0.1
0.01
0.001 0
0.4 0.8 1.2 1.6 2.0
16343
VF - Forward Voltage (V)
Fig. 4 - Forward Current vs. Forward Voltage
Rev. 1.8, 04-Sep-12
2 Document Number: 86045
For technical questions within your region:
[email protected],
[email protected],
[email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
CD - Diode Capacitance (pF) 0.82 (0.032) max.
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BYV37, BYV38
Vishay Semiconductors
IFAV - Average Forward Current (A)
2.5 VR = VRRM
half sinewave 2.0
RthJA ≤ 45 K/W 1.5 I = 10 mm
1.0
0.5
RthJA ≤ 100 K/W PCB: d = 25 mm
0 0
16344
20 40 60 80 100 120 140 160 180 Tamb - Ambient Temperature (°C)
Fig. 5 - Max. Average Forward Current vs. Ambient Temperature
PACKAGE DIMENSIONS in millimeters (inches): SOD-57
35 f = 1 MHz
30
25
20
15
10
5
0 0.1
15776
1 10 VR - Reverse Voltage (V)
100
Fig. 6 - Typ. Diode Capacitance vs. Reverse Voltage
3.6 (0.142) max.
20543
26 (1.024) min.
4 (0.157) max.
26 (1.024) min.
Rev. 1.8, 04-Sep-12
3 Document Number: 86045
For technical questions within your region:
[email protected],
[email protected],
[email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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Vishay
Disclaimer
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