1SS420
2005-03-23
1
TOSHIBA Diode Silicon Epitaxial Schottky Barrier Type
1SS420
High-Speed Switching Applications
• Low reverse current: IR = 5 µA (max)
Maximum Ratings (Ta = 25°C)
Characteristic Symbol Rating Unit
Maximum (peak) reverse voltage VRM 35 V
Reverse voltage VR 30 V
Maximum (peak) forward current IFM 300 mA
Average forward current IO 200 mA
Surge current (10 ms) IFSM 1 A
Power dissipation P * 150 mW
Junction temperature Tj 125 °C
Storage temperature range Tstg −55~125 °C
Operating temperature range Topr −40~100 °C
* Mounted on a glass-epoxy circuit board of 20 × 20 mm,
pad dimensions of 4 × 4 mm.
Electrical Characteristics (Ta = 25°C)
Characteristic Symbol
Test
Circuit Test Condition Min Typ. Max Unit
VF (1) ― I
F = 1 mA ― 0.29 ―
VF (2) ― I
F = 10 mA ― 0.36 ―
Forward voltage
VF (3) ― I
F = 200 mA ― 0.52 0.6
V
Reverse current IR ― V
R = 30 V ― ― 5
µA
Total capacitance CT ― V
R = 0, f = 1 MHz ― 20 ― pF
Equivalent Circuit (Top View) Marking
S6
JEDEC ―
JEITA ―
TOSHIBA 1-1G1A
Weight: 0.0014 g (typ.)
Unit: mm
1SS420
2005-03-23
2
IF - VF
0
0
0
1
10
100
1000
0 0.2 0.4 0.6 0.8
FORWARD VOLTAGE VF (V)
FORWARD CURRENT IF (A)
Ta = 100°C
25
-25
1u
10u
100u
10m
1m
100m
1
CT - VR
1
10
100
0102030
REVERSE VOLTAGE VR (V)
TOTAL CAPACITANCE CT (pF)
Ta = 25°C
f = 1MHz
IR - VR
0
0
0
0
0
1
10
100
0 5 10 15 20 25 30
REVERSE VOLTAGE VR (V)
REVERSE CURRENT IR (A)
25
-25
Ta = 100°C
10p
100p
1n
10n
100n
1u
10u
100u
1SS420
2005-03-23
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.
• TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety
in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such
TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as
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..
• The TOSHIBA products listed in this document are intended for usage in general electronics applications
(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or
bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or
spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,
medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this
document shall be made at the customer’s own risk.
• TOSHIBA products should not be embedded to the downstream products which are prohibited to be produced and
sold, under any law and regulations.
030619EA
A
RESTRICTIONS ON PRODUCT USE
