1N17 ~ 1N19
SCHOTTKY BARRIER RECTIFIERS
Reverse Voltage – 20 to 40 Volts
Forward current – 1.0 Amperes
Features
R-1
•
•
•
•
•
Metal silicon junction, majority carrier conduction
Low power loss, high efficiency
High current capability low forward voltage drop
High surge capability
For use in low voltage, high frequency inverters,
free wheeling, and polarity protection applications
Mechanical data
•
Case:
R-1 molded plastic body
•
Terminals:
Plated axial 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
o
C ambient temperature unless otherwise specified.
Symbols
Maximum Repetitive Peak Reverse Voltage
Maximum RMS voltage
Maximum DC Blocking Voltage
Maximum Non-repetitive Peak Reverse Voltage
Maximum Average Forward Rectified Current
O
0.375” (9.5mm) Lead Length At T
L
= 90 C
Peak Forward Surge Current, 8.3ms Single half sine-wave
O
Superimposed On Rated Load (JEDEC method) At T
L
= 70 C
Maximum Instantaneous Forward Voltage At 1 A
Maximum Instantaneous Forward Voltage At 3.1 A
Maximum Instantaneous Reverse Current at
Rated DC Blocking Voltage
Typical Thermal Resistance
Typical Junction Capacitance
Storage and Operating Junction Temperature Range
T
A
= 25
O
C
T
A
= 100
O
C
V
RRM
V
RMS
V
DC
V
RSM
I
(AV)
I
FSM
V
F
V
F
I
R
R
θJA
R
θJL
C
J
T
J
,T
S
0.45
0.75
1N17
20
14
20
24
1N18
30
21
30
36
1
25
0.550
0.875
0.5
10
50
15
110
-65 to +125
0.60
0.90
1N19
40
28
40
48
Units
Volts
Volts
Volts
Volts
Amps
Amps
Volts
Volts
mAmps
mAmps
O
C/W
pF
O
C
Notes: 1. Pulse test: 300μs pulse width, 1% duty cycle
2. Thermal resistance (from junction to ambient) Vertical P.B.C. MOUNTED, 0.5” (12.7 mm) lead length
3. Measured at 1.0MHz and reverse voltage of 4.0 volts
SEMTECH ELECTRONICS LTD.
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 23/12/2002
1N17 ~ 1N19
FIG.1-FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT
AMPERES
Fig.2- MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT
AMPERES
1
0.75
0.5
0.25
0
0
20
40
60
80
100
120
140
RESISTIVE OR
INDUCTIVE LOAD
0.375" (9.5mm)
LEAD LENGTH
30
25
20
15
10
5
0
1
10
NUMBER OF CYCLES AT 60 Hz
100
TJ=TJ max.
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
LEAD TEMPERATURE, (
o
C)
Fig.3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
20
INSTANTANEOUS FORWARD CURRENT
AMPERES
Fig.4- TYPICAL REVERSE CHARACTERISTICS
100
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
10
Tj=125 C
Pulse Width=300 S
1% Duty Cycle
1
o
10
1
T
J
=125
o
C
0.1
Tj=25 C
0.1
o
T
J
=75 C
o
0.01
T
J
=25 C
o
0.001
0
20
40
60
80
100
PERCENT OF RATED PEAK REVERSE
VOLTAGE,%
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
TRANSIENT THERMAL IMPEDANCE, C/W
JUNCTION CAPACITANCE,pF
Fig.6- TYPICAL TRANSIENT THERMAL IMPEDANCE
o
400
Tj=25 C
f=1.0MHz
Vsig=50mVp-p
100
100
10
1
10
0.1
1
10
100
0.1
0.01
0.1
1
10
100
REVERSE VOLTAGE, VOLTS
t, PULSE DURATION,sec.
SEMTECH ELECTRONICS LTD.
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 23/12/2002
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