UNISONIC TECHNOLOGIES CO., LTD
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.
SCR
SYMBOL
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
US108SL-4-TA3-T
US108SG-4-TA3-T
US108SL-6-TA3-T
US108SG-6-TA3-T
US108SL-8-TA3-T
US108SG-8-TA3-T
US108NL-4-TA3-T
US108NG-4-TA3-T
US108NL-6-TA3-T
US108NG-6-TA3-T
US108NL-8-TA3-T
US108NG-8-TA3-T
Note: Pin Assignment: K: Cathode G: Gate A: Anode
Package
TO-220
TO-220
TO-220
TO-220
TO-220
TO-220
Pin Assignment
1
2
3
K
A
G
K
A
G
K
A
G
K
A
G
K
A
G
K
A
G
Packing
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US108S/N
ABSOLUTE MAXIMUM RATING
SCR
PARAMETER
SYMBOL
RATING
UNIT
US108S/N-4
400
V
DRM
Repetitive Peak Off-State Voltages US108S/N-6
600
V
V
RRM
US108S/N-8
800
RMS On-State Current (180°Conduction Angle) (T
C
= 110℃)
I
T(RMS)
8
A
Average On-State Current (180°Conduction Angle) (T
C
= 110℃)
I
T(AV)
5
A
73
US108S
t
P
=8.3ms
US108N
100
Non Repetitive Surge Peak On-State
A
I
TSM
Current (T
J
= 25℃)
US108S
70
t
P
=10ms
US108N
95
US108S
24.5
I²t Value For Fusing (t
P
= 10 ms ,T
J
= 25℃)
I²t
A²S
US108N
45
Critical Rate Of Rise Of On-State Current
dI/dt
50
A/µs
(I
G
= 2 x I
GT
, t
R
≤
100 ns, T
J
= 125℃, F = 60Hz)
Peak Gate Current (t
P
=20μs, T
J
= 125℃)
I
GM
4
A
Peak Reverse Gate Voltage
US108N
V
RGM
5
V
Average Gate Power Dissipation (T
J
= 125℃)
P
G(AV)
1
W
Storage Temperature
T
STG
-40 ~ +150
℃
Junction Temperature
T
J
-40 ~ +125
℃
Note 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
Junction to Ambient
Junction to Case
SYMBOL
θ
JA
θ
JC
RATINGS
60
20
UNIT
K/W
K/W
ELECTRICAL CHARACTERISTICS
(T
J
=25℃unless otherwise specified)
US108S(SENSITIVE)
PARAMETER
Gate Trigger Current
Gate Trigger Voltage
Gate Non-Trigger Voltage
Reverse Gate Voltage
Holding Current
Latching Current
Circuit Rate Of Change Of off-State Voltage
On-State Voltage
Threshold Voltage
Dynamic Resistance
Off-State Leakage Current
SYMBOL
TEST CONDITIONS
I
GT
V
D
= 12 V, R
L
=140Ω
V
GT
V
D
= 12 V, R
L
=140Ω
V
D
= V
DRM
, R
L
= 3.3kΩ
V
GD
R
GK
= 220 T
J
= 125℃
V
RG
I
RG
= 10 µA
I
H
I
T
= 50mA, R
GK
= 1kΩ
I
L
I
G
= 1mA , R
GK
= 1kΩ
dV/dt
V
D
= 65 % V
DRM
,R
GK
= 220Ω
V
TM
I
TM
= 16A, t
P
= 380 µs
V
T0
T
J
= 125℃
R
D
T
J
= 125℃
V
DRM
= V
RRM
, R
GK
= 220Ω
I
DRM
I
RRM
V
DRM
= V
RRM
, R
GK
= 220Ω
MIN
TYP
MAX UNIT
200
µA
0.8
V
V
5
6
5
1.6
0.85
46
5
1
V
mA
mA
V/µs
V
V
mΩ
µA
mA
0.1
8
UNISONIC TECHNOLOGIES CO., LTD
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QW-R301-012.Ca
US108S/N
ELECTRICAL CHARACTERISTICS(Cont.)
US108N(SENSITIVE)
PARAMETER
Gate Trigger Current
Gate Trigger Voltage
Gate Non-Trigger Voltage
Holding Current
Latching Current
Circuit Rate Of Change Of off-State Voltage
On-State Voltage
Threshold Voltage
Dynamic Resistance
Off-State Leakage Current
SYMBOL
I
GT
V
GT
V
GD
I
H
I
L
dV/dt
V
TM
V
t0
R
D
I
DRM
I
RRM
TEST CONDITIONS
V
D
= 12V, R
L
=33Ω
V
D
= 12V, R
L
=33Ω
V
D
= V
DRM
, R
L
= 3.3 kΩ
I
T
= 100mA Gate open
I
G
= 1.2 I
GT
V
D
= 67 % V
DRM
Gate open
I
TM
= 16 A, t
P
= 380 µs
T
J
= 125℃
T
J
= 125℃
V
DRM
= V
RRM
V
DRM
= V
RRM
MIN
2
0.2
TYP
SCR
150
MAX UNIT
15
mA
1.3
V
V
30
mA
70
mA
V/µs
1.6
V
0.85
V
16
mΩ
5
µA
2
mA
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. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R301-012.Ca
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