Page 1
Features
High Current Capability and Low Forward Drop
·
High Surge Capacity
·
Guard Ring for Transient Protection
·
Low Power Loss, High Efficiency
·
Plastic Package - UL Flammability
·
Classification 94V-0
SD930 / SD940 / SD945
HIGH CURRENT SCHOTTKY BARRIER RECTIFIER
A
B
A
C
D
Mechanical Data
Case: DO-201AD, Molded Plastic
·
Leads: Solderable per MIL-STD-202,
·
Method 208
Polarity: Cathode band
·
Approx. Weight: 1.1 grams
·
Mounting Position: Any
·
Maximum Ratings and Electrical Characteristics
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic Symbol SD930 SD940 SD945 Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Maximum Average Forward Current @ TC= 120°C
(Note 2)
Maximum Peak One-Cycle @ 5µs Sine Wave
Surge Current @ 10ms Sine Wave
Forward Voltage (Note 1) @ IF= 9.0A, TJ= 25°C
Voltage Rate of Change
Peak Reverse Current @TJ= 25°C
at Rated DC Blocking Voltage (Note 1) @ T
Maximum Junction Capacitance (Note 2)
Typical Thermal Resistance Junction to Case (Note 4)
Operating and Storage Temperature Range
@ I
= 9.0A, TJ= 125°C
F
@ I
= 18A, TJ= 25°C
F
@ I
= 18A, TJ= 125°C
F
= 125°C
J
V
RRM
V
RWM
V
R
I
O
I
FSM
V
FM
dv/dt 10,000 V/µs
I
RM
C
j
R
qJL
T
j,TSTG
DO-201AD
Dim Min Max
A
B
C
D
All Dimensions in mm
@ TA= 25°C unless otherwise specified
30 40 45 V
25.40 —
7.20 9.50
1.20 1.30
4.80 5.30
9.0 A
2150
340
0.48
0.42
0.57
0.52
0.8
70
900 pF
8.0 K/W
-65 to +150 °C
A
V
mA
Notes: 1. Pulse width £ µs - Duty Cycle £ 2%.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V.
3. Device mounted to heat sink with 1/8" lead length.
4. Thermal Resistance from Junction to Lead Vertical PC Board Mounting, 9.5mm Lead Length.
DS23026 Rev. C-2 1 of 3 SD930/SD940/SD945
Page 2
G
C
C
(
)
10
O
O
A
8
URRENT
6
50
10
T = 125°C
J
TIFIED
ERE
2
O
I , AVERA
0
4000
1000
4
0 50 100 150
T , CASE TEMPERATURE (°C)
C
Fig. 1 Fwd Current Derating Curve
TJ= 25°C
f = 1MHz
US FWD CURRENT (A)
F
I , INSTANTANE
1.0
0.1
10000
1000
T = 25°C
J
Pulse width = 300µs
2% duty cycle
0.2 0.4 0.6 0.8 1.0
V , INSTANTANEOUS FWD VOLTAGE (V)
F
Fig. 2 Typical Forward Characteristics
j
C , CAPACITANCE (pF)
100
0.1
Fig. 3 Maximum Junction Capacitance
1.0
V , REVERSE VOLTAGE (V)
R
10
100
WARD SURGE CURRENT (A)
R
PEAK F
1
10 100 1000
t , PULSE DURATION (ms)
p
Fig. 4, Maximum Non-repetitive Surge Current
10000
DS23026 Rev. C-2 2 of 3 SD930/SD940/SD945
Page 3
10
Q
D = 0.50
)
QJL
THERMAL RESISTANCE R (K/W)
0.33
0.25
0.17
1.0
0.08
P
(DM)
0.1
Single Pulse
t
1
t
2
Duty Cycle, D = t / t
Peak T = P X R + T
JDM
12
QJL C
0.01
0.0001 0.001 0.01 0.1 1.0 10 100
t , RECTANGULAR PULSE DURATION (seconds)
1
Fig. 5, Typical Thermal Resistance R
JL
100
T = 125ºC
j
10
T = 85ºC
j
1.0
R
I , INSTANTANEOUS REVERSE CURRENT (mA
0.1
T = 25ºC
j
0.01
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Fig. 6, Typical I vs. % of V
DS23026 Rev. C-2 3 of 3 SD930/SD940/SD945
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