SDM20U40 Datasheet, PDF (1/2 Pages) Diodes Incorporated – SURFACE MOUNT SCHOTTKY BARRIER DIODE

SDM20U40
SURFACE MOUNT SCHOTTKY BARRIER DIODE
VOLTAGE RANGE: 40V
CURRENT: 250m A
Features
· Low Forward Voltage Drop
· Guard Ring Construction for
Transient Protection
· Negligible Reverse Recovery Time
· Low Reverse Capacitance
· Ultra-Small Surface Mount Package
Mechanical Data
· Case: SOD-523, Molded Plastic
· Case material - UL Flammability Rating
Classification 94V-0
· Marking Code: S4
· Weight: 0.002 grams (approx.)
A
SOD-523
B
Dim Min Max
A
1.50 1.70
B
1.10 1.30
C
0.25 0.35
D
0.70 0.90
E
0.10 0.20
G
0.50 0.70
All Dimensions in mm
Maximum Ratings ^{@ TA = 25°C unless otherwise specified}
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current
Non-Repetitive Peak Forward Surge Current
Power Dissipation
Thermal Resistance, Junction to Ambient Air
Operating and Storage Temperature Range
@ t £ 1.0s
Symbol
VRRM
V_RWM
VR
VR(RMS)
I_FM
IFSM
Pd
R_qJA
T_j, T_STG
Electrical Characteristics ^{@ TA = 25°C unless otherwise specified}
Characteristic
Reverse Breakdown Voltage
Forward Voltage Drop
Symbol Min
Typ
V(BR)R
40
¾
V_F
¾
¾
Peak Reverse Current
Total Capacitance
Reverse Recovery Time
I_R
¾
¾
C_T
¾
50
t_rr
¾
10
Value
40
28
250
1.0
150
667
-65 to +125
Unit
V
V
mA
A
mW
°C/W
°C
Max
¾
0.37
0.60
5
1
¾
¾
Unit
V
V
mA
mA
pF
ns
Test Conditions
IR = 10mA
I_F = 20mA
I_F = 200mA
V_R = 30V
V_R = 10V
VR = 0V, f = 1.0MHz
IF = IR = 200mA,
Irr = 0.1 x IR, RL = 100W
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