US108S-N-4 Unisonic Technologies, US108S-N-4 Datasheet

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US108S-N-4

Manufacturer Part Number
US108S-N-4
Description
Silicon Controlled Rectifiers
Manufacturer
Unisonic Technologies
Datasheet
UTC US108S/N
SCRs
DESCRIPTION
control, found in applications such as overvoltage
crowbar protection, motor control circuits in power
tools and kitchen aids, inrush current limiting circuits,
capacitive discharge ignition and voltage regulation
circuits.
ABSOLUTE MAXIMUM RATINGS
Repetitive peak off-state voltages
RMS on-state current (180° conduction angle) (Tc = 110°C)
Average on-state current (180° conduction angle) (Tc = 110°C)
Non repetitive surge peak on-state current (Tj = 25°C)
I²t Value for fusing
Critical rate of rise of on-state current
(IG = 2 x IGT , tr ≤ 100 n s, Tj = 125°C, F = 60 Hz)
Peak gate current (tp=20µs, Tj = 125°C)
Maximum peak reverse gate voltage
Average gate power dissipation (Tj = 125°C)
Storage junction temperature range
Operating junction temperature range
UTC
The UTC US108S/N is suitable to fit all modes of
UNISONIC TECHNOLOGIES CO., LTD.
(tp = 10 ms ,Tj = 25°C)
PARAMETER
US108S/N-4
US108S/N-6
US108S/N-8
tp=8.3ms
tp=10ms
1: CATHODE
SYMBOL
V
V
I
P
V
T(RMS)
I
dI/dt
Tstg
1
DRM
RRM
I
T(AV)
I
G(AV)
TSM
RGM
I²t
GM
Tj
US108S
24.5
73
70
2: ANODE
RATING
-40 ~ +150
-40 ~ +125
400
600
800
50
8
5
4
1
US108N
100
95
45
SCR
5
TO-220
QW-R301-012,B
3: GATE
UNIT
A/µs
A²S
°C
°C
W
V
A
A
A
A
V
1

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US108S-N-4 Summary of contents

Page 1

... UTC US108S/N SCRs DESCRIPTION The UTC US108S/N is suitable to fit all modes of control, found in applications such as overvoltage crowbar protection, motor control circuits in power tools and kitchen aids, inrush current limiting circuits, capacitive discharge ignition and voltage regulation circuits. ABSOLUTE MAXIMUM RATINGS PARAMETER Repetitive peak off-state voltages RMS on-state current (180° ...

Page 2

... UTC US108S/N UTC US108S(SENSITIVE) ELECTRICAL CHARACTERISTICS (Tj=25℃unless otherwise specified) PARAMETER SYMBOL Gate trigger Current I GT Gate trigger Voltage V GT Gate non-trigger voltage V GD Reverse gate voltage V RG Holding Current I H Latching Current I L Circuit Rate Of Change Of dV/dt off-state Voltage On-state voltage V TM ...

Page 3

... UNISONIC TECHNOLOGIES CO., LTD. Figure.2:Average and D.C. on-state current IT(av)(A) 10.0 9.0 8.0 7.0 6.0 5.0 360° 4.0 3.0 α 2 1.0 0 Figure.4:Relative variation of gate trigger current,holding current and latching vs junction temperature .(US108S) IGT,IH,IL(TJ)/IGT,IH,IL (TJ=25℃) 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 1E+0 -40 -20 0 Figure.5:Relative variation of holding current vs gate- cathode resistance(typical values) (US108S) IH(Rgk)/IH(Rgk=1kΩ) 6.0 5 ...

Page 4

... Fig.10: On-state characteristics(maximum values). ITM(A) 50.0 Tj=max: Vto=0.85V Rd=46mΩ 10.0 Tj=Tjmax. 1.0 0.1 0.0 0.5 UTC UNISONIC TECHNOLOGIES CO., LTD. Fig.7: Relative variation of dV/dt immunity vs gate- cathode resistance(typical values) (US108S) dV/dt(Cgk)/dV/dt(Rgk=220Ω) 15.0 Tj=125℃ VD=0.67* VDRM 12.5 Rgk=220Ω 10.0 7.5 5.0 2.5 0 2000 1400 1600 1800 Fig.9:Non-repetitive surge peak on-state current for a sinusoidal pulse with width tp< ...

Page 5

... UTC US108S/N UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury ...

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