1SS404
2004-05-28
1
TOSHIBA Diode Silicon Epitaxial Schottky Barrier Type
1SS404
High Speed Switching Applications
• Two-pin small packages are suitable for higher mounting densities
• Low forward voltage : VF (3) = 0.38 V (typ.)
• Low reverse current: IR = 50 µA (max)
• Small total capacitance: CT = 46 pF (typ.)
Maximum Ratings (Ta = 25°C)
Characteristics Symbol Rating Unit
Maximum (peak) reverse voltage VRM 25 V
Reverse voltage VR 20 V
Maximum (peak) forward current IFM 700 mA
Average forward current IO 300 mA
Power dissipation P 200 (Note) mW
Junction temperature Tj 125 °C
Storage temperature range Tstg −55 ~ 125 °C
Operating temperature range Topr −40 ~ 100 °C
Note: Mounted on a glass epoxy board of 20 mm × 20 mm,
pad dimension 4 mm × 4 mm.
Marking Equivalent Circuit (top view)
Electrical Characteristics (Ta = 25°C)
Characteristics Symbol Test Condition Min Typ. Max Unit
VF (1) IF = 1 mA ⎯ 0.16 ⎯
VF (2) IF = 10 mA ⎯ 0.22 ⎯
Forward voltage
VF (3) IF = 300 mA ⎯ 0.38 0.45
V
Reverse current IR VR = 20 V ⎯ ⎯ 50 µ
A
Total capacitance CT V
R = 0, f = 1 MHz ⎯
46 ⎯ pF
Unit: mm
USC
JEDEC ―
JEITA ―
TOSHIBA 1-1E1A
Weight: 0.004 g (typ.)
S 5
1SS404
2004-05-28
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Forward voltage VF (V)
IF – VF
Forward current IF (A)
Reverse current IR (A)
Reverse voltage VR (V)
IR – VR
Ambient temperature Ta (°C)
P – Ta
Power Dissipation P (mW)
Reverse voltage VR (V)
CT – VR
Total capacitance CT (pF)
0 0.1 0.5 0.4 0.3 0.2
10
µ
10 m
1 m
100 m
100
µ
Ta = 100°C
75°C
50°C
25°C
−25°C
0°C
0
1 µ
12 24 16 8 4
10 n
20
100 n
10 µ
1 m
10 m
100 µ
Ta = 100°C
75°C
50°C
25°C
−25°C
0°C
0.01 1 10030 10
300
1
0.03 0.3
3
10
100
1000
30
0.1 3
f = 1 MHz
Ta = 25°C
140
0
40
75 150 100 5025
0
125
100
80
60
20
120
Mounted on a glass epoxy
circuit board of 20 x 20mm,
pad dimension 4 x 4mm.
1SS404
2004-05-28
3
• The information contained herein is subject to change without notice.
• The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which
may result from its use. No license is granted by implication or otherwise under any patent or patent rights of
TOSHIBA or others.
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devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
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such TOSHIBA products could cause loss of human life, bodily injury or damage to property.
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set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and
conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability
Handbook” etc..
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(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
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extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or
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and sold, under any law and regulations.
030619EAA
RESTRICTIONS ON PRODUCT USE
