Switching Diode
1SS355
Applications High speed switching Dimensions (Unit : mm)
1.25±0.1 0.1±0.1 0.05
Land size figure (Unit : mm)
0.9MIN.
1.7±0.1
2.5±0.2
Features 1)Ultra small mold type. (UMD2) 2)High reliability
0.8MIN.
UMD2
Construction Silicon epitaxial planar
0.3±0.05
0.7±0.2 0.1
Structure
ROHM : UMD2 JEDEC : SOD-323 JEITA : SC-90/A dot (year week factory)
Taping dimensions (Unit : mm)
4.0±0.1 2.0±0.05 φ1.55±0.05 1.75±0.1 0.3±0.1
3.5±0.05
8.0±0.2
1.40±0.1
4.0±0.1
φ1.05 1.0±0.1
Absolute maximum ratings (Ta=25C) Parameter Symbol Reverse voltage (repetitive peak) Reverse voltage (DC) Forward current Average rectified forward current Surge current (t=1s) Junction temperature Storage temperature VRM VR IFM Io Isurge Tj Tstg
Limits 90 80 225 100 500 150 55 to 150
Unit V V mA mA mA C C
Electrical characteristics (Ta=25C) Parameter Symbol Forward voltage Reverse current Capacitance between terminals Reverse recovery time VF IR Ct trr
Min. -
Typ. -
Max. 1.2 0.1 3 4
Unit V μA pF ns IF=100mA VR=80V
2.75
Conditions
VR=0.5V , f=1MHz VR=6V , IF=10mA , RL=100Ω
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1/3
2.8±0.1
2011.08 - Rev.D
2.1
1SS355
Data Sheet
100 Ta=125℃ 10
10000 Ta=125℃ REVERSE CURRENT : IR(nA) Ta=75℃ CAPACITANCE BETWEEN TERMINALS:Ct(pF) 1000
10 f=1MHz
FORWARD CURRENT : I F(mA)
Ta=75℃ Ta=25℃
100
Ta=25℃ Ta=25℃
1
10
1
Ta=25℃
1
0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 FORWARD VOLTAGE : VF(V) VF-IF CHARACTERISTICS
0.1 0 20 40 60 80 100 120 REVERSE VOLTAGE : VR(V) VR-IR CHARACTERISTICS
0.1 0 5 10 15 20 25 30 REVERSE VOLTAGE : VR(V) VR-Ct CHARACTERISTICS
910 FORWARD VOLTAGE : V F(mA) Ta=25 IF=100mA n=30pcs
100 90 REVERSE CURRENT : IR(nA) 80 70 60 50 40 30 20 10 AVE:31.7nA Ta=25℃ VR=80V n=30pcs
1 0.99 CAPACITANCE BETWEEN TERMINALS:Ct(pF) 0.98 0.97 0.96 0.95 0.94 0.93 0.92 0.91 0.9 AVE:0.961pF Ta=25℃ VR=0V f=1MHz n=10pcs
900
890
880 AVE:885.9mV
870
860
0
VF DISPERSION MAP
IR DISPERSION MAP
Ct DISPERSION MAP
20 REVERSE RECOVERY TIME:trr(ns) Ifsm PEAK SURGE FORWARD CURRENT : I FSM(A) 15 8.3ms 1cyc
3 PEAK SURGE FORWARD CURRENT : I FSM(A) 2.5 2 1.5 1 0.5 0 IFSM DISRESION MAP trr DISPERSION MAP AVE:1.3ns Ta=25℃ VR=6V IF=10mA RL=100Ω
20 Ifsm 15 8.3ms 8.3ms
1cyc
10
10
5
AVE:13.6A
5
0
0 0.1 1 10 100 NUMBER OF CYCLES IFSM-CYCLE CHARACTERISTICS
100 PEAK SURGE FORWARD CURRENT : I FSM(A) Ifsm t TRANSIENT THAERMAL IMPEDANCE:Rth (℃/W)
1000 Rth(j-a)
0.001
100
Rth(j-c) Mounted on epoxy board
10
REVERSE POWER DISSIPATION:PR (W)
0.0005 DC Sin(θ=180)
D=1/2
10
IM=1mA
IF=10mA
1ms 1 0.001
time 0
300us 0.01 1 10 TIME:t(s) Rth-t CHARACTERISTICS 0.1 100 1000 0 20 40 60 80 100 120
1 0.1 10 TIME:t(ms) IFSM-t CHARACTERISTICS 1 100
REVERSE VOLTAGE : VR(V) VR-PR CHARACTERISTICS
www.rohm.com © 2011 ROHM Co., Ltd. All rights reserved.
2/3
2011.08 - Rev.D
1SS355
Data Sheet
0.2 DC AVERAGE RECTIFIED FORWARD CURRENT:Io(A) AVERAGE RECTIFIED FORWARD CURRENT:Io(A) 0.15
0.20 DC ELECTROSTATIC DDISCHARGE TEST ESD(KV)
20
0.15 D=1/2 0.10 0A 0.05 0V t T 0.00 Io VR D=t/T VR=40V Tj=150℃ 75 100 125 150 Sin(θ=180)
D=1/2
15 AVE:9.4kV 10
Sin(θ=180)
0.1 0A 0.05 0V t T 0 25 50 Io VR D=t/T VR=40V Tj=150℃ 75 100 150
5
AVE:2.4kV
0
0 0 25 50 CASE TEMPARATURE:Tc(℃) Derating Curve (Io-Tc)
125 AMBIENT TEMPERATURE : Ta(℃) Derating Curve (Io-Ta)
C=200pF R=0Ω
C=100pF R=1.5kΩ
ESD DISPERSION MAP
www.rohm.com © 2011 ROHM Co., Ltd. All rights reserved.
3/3
2011.08 - Rev.D
Notice
Notes
No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. The Products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products specified in this document are not designed to be radiation tolerant. While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuelcontroller or other safety device). ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes. If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law.
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R1120A
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