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SR38 Datasheet Preview

SR38 Datasheet

SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS

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SR32 THRU SR39
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS
Reverse Voltage – 20 to 90 V
Forward Current – 3 A
Features
• The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
• Metal silicon junction, majority carrier conduction
• Built-in strain relief, ideal for automated placement
• Low power loss, High efficiency
• High forward surge current capability
• For surface mounted applications
• High temperature soldering guaranteed: 250 OC /10 seconds
at terminals.
Mechanical Data
Case: Molded plastic body, JEDEC DO-214AA
Terminals: leads solderable per MIL-STD-750, method 2026
Polarity: Color band denotes cathode end.
Mounting Position: Any
Absolute Maximum Ratings and Characteristics
Ratings at 25 OC ambient temperature unless otherwise specified. Single phase, half-wave 60 Hz , resistive or
inductive load. For capacitive load current derate by 20 %.
Parameter
Symbols SR32 SR33 SR34 SR35 SR36 SR38 SR39 Units
Maximum Repetitive Peak Reverse Voltage
VRRM 20 30 40 50 60 80 90 V
Maximum RMS Voltage
VRMS 14 21 28 35 42 56 64 V
Maximum DC Blocking Voltage
VDC 20 30 40 50 60 80 90 V
Maximum Average Forward Rectified Current
IF(AV)
3
A
Peak Forward Surge Current
8.3 ms Single Half Sine-wave Superimposed
IFSM
80
A
on Rated Load (JEDEC method)
Maximum Instantaneous Forward Voltage at 3 A
Maximum DC Reverse Current
at Rated DC Blocking Voltage
Typical Junction Capacitance 1)
Ta = 25 OC
Ta = 100 OC
Typical Thermal Resistance 2)
VF
IR
Ctot
RθJA
0.5
500
0.75
0.5
20
75
300
0.85 V
mA
pF
OC/W
Operating JunctionTemperature Range
TJ - 65 to + 125
- 65 to + 150
OC
Storage Temperature Range
Tstg
1) Measured at 1MHZ and applied reverse voltage of 4 V DC.
2) P.C.B, mounted with 0.2 × 0.2" (5 × 5 mm) copper pad areas.
- 65 to + 125
OC
SEMTECH ELECTRONICS LTD.
Subsidiary of Sino-Tech International (BVI) Limited
®
Dated06/12/2011 Rev01




SEMTECH

SR38 Datasheet Preview

SR38 Datasheet

SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS

No Preview Available !

SR32 THRU SR39
FIG. 1-Forward Current
Derating Curve
3.0
2.4
Single Phase
Half Wave 60Hz
1.8 Resistive or
Inductive Load
1.2
0.6 SR32-SR34
SR35-SR39
0
0 25 50 75 100 125 150 175
Ambient Temperature,°C
FIG. 3-Typical Instantaneous
Forward Characteristics
50
TJ=25°C
10
1
SR32-SR34
SR35-SR36
0.1 SR38-SR39
0.01
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
Instantaneous Forward Voltage,
Volts
FIG.5-Typical Junction Capacitance
2000
1000
TJ=25°C
100
SR32-SR34
SR35-SR39
10
0.1 1.0
10
Reverse Voltage, Volts
100
FIG. 2-Maximum Non-Repetitive
Peak Forward Surge Current
90
80
60
40
20 8.3ms Single Half Sine-Wave
(JEDEC Method)
0
1 10
100
Number of Cycles at 60 Hz
FIG. 4-Typical Reverse
Characteristics
1000
100
TJ=100°C
10
TJ=75°C
1
0.1
TJ=25°C
0.01
0
20 40
60 80 90
Percent of Peak Reverse Voltage,%
FIG.6-Typical Transient
Thermal Impedance
100
10
1
0.1
0.01
0.1 1
10 100
t, Pulse Duration,sec.
SEMTECH ELECTRONICS LTD.
Subsidiary of Sino-Tech International (BVI) Limited
®
Dated06/12/2011 Rev01


Part Number SR38
Description SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS
Maker SEMTECH
Total Page 2 Pages
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