Datasheet

UNISONIC TECHNOLOGIES CO., LTD
FS0203
SCR
SURFACE MOUNT SCR

DESCRIPTION
The UTC FS0203 is a surface mount SCR, it uses UTC’s
advanced technology to provide customers with high gate sensitivity,
etc.

1
SOT-223
FEATURES
* High gate sensitivity

ORDERING INFORMATION
Ordering Number
FS0203G-x-AA3-R
Note: Pin Assignment: K: Cathode
A: Anode

Package
SOT-223
Pin assignment
1
2
3
K
A
G
Packing
Tape Reel
G: Gate
MARKING
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QW-R301-020. D
FS0203

SCR
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
FS0203-2
FS0203-4
FS0203-6
FS0203-8
FS0203-9
Half Cycle, θ=180 º
TTAB=95˚C
Half Cycle, θ=180 º
TTAB=95˚C
Half Cycle, 60Hz,
TJ=25ºC
Half Cycle, 50Hz,
TJ=25ºC
tp=10ms, Half Cycle
IGR=10µA, TJ=25ºC
20µs max.
20µs max.
20ms max.
Repetitive Peak Off State Voltage
(RGK=1kΩ)
Average On-State Current (Note 1)
On-State Current (Note 1)
Non-Repetitive On-State Current
RATINGS
200
400
600
800
900
UNIT
V
V
V
V
V
IT(AV)
1.25
A
IT(RMS)
0.8
A
25
A
22.5
A
VDRM, VRRM
ITSM
I2t Value for Fusing
I2t
2.5
A2 s
Peak Reverse Gate Voltage
VGRM
8
V
Peak Gate Current
IGM
1.2
A
Peak Gate Power
PGM
3
W
Average Gate Power Dissipation
PG(AV)
0.2
W
Operating Junction Temperature
TJ
-40~+125
°C
Storage Junction Temperature
TSTG
-40~+150
°C
Soldering Temperature
10s max.
TSLD
260
°C
Notes: 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.
2. With 5cm2 copper (e=35μm) surface under tab.

THERMAL RESISTANCES
PARAMETER
SYMBOL
θJL
θJA
Junction-Leads for DC
Junction to Ambient

RATINGS
25
60
UNIT
°C/W
°C/W
ELECTRICAL CHARACTERISTICS
PARAMETER
Off-State Leakage Current
On-State Voltage
On-State Threshold Voltage
Dinamic Resistance
Gate Trigger Current
Gate Trigger Voltage
Gate Non-Trigger Voltage
Holding Current
Latching Current
Critical Rate of Rise of Off-State
Voltage
Critical Rate of Current Rise
SYMBOL
VTM
VT(O)
RD
IGT
VGT
VGD
IH
IL
TEST CONDITIONS
MIN TYP MAX
VD=VDRM, RGK=1KΩ, TJ=125ºC
500
VR=VRRM, TJ=25ºC
5
at IT=1.6A, tp=380µs, TJ=25ºC
1.45
TJ=125ºC
0.9
TJ=125ºC
150
VD=12VDC, RL=140Ω, TJ=25ºC
20
200
VD=12VDC, RL=140Ω, TJ=25ºC
0.8
VD=VDRM, RL=3.3KΩ, RGK=1KΩ, TJ=125°C 0.1
IT=50mA, RGK=1KΩ, TJ=25ºC
5
IG=1mA, RGK=1KΩ, TJ=25ºC
6
UNIT
µA
µA
V
V
mΩ
µA
V
V
mA
mA
dv/dt
VD=67%×VDRM, RGK=1KΩ, TJ=125°C
20
V/µs
di/dt
IG=2xIGT, TR≤100ns, F=60Hz, TJ=125°C
50
A/µs
IDRM/IRRM
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FS0203
SCR
Latching Current vs. Temperature
1.6
Latching Current, IL (mA)
1.4
1.2
1
0.8
0.6
0.4
0.2
0
55
75
95
115
135
1000
800
600
400
200
0
35
55
75
95
115
135
Temperature (°C)
Repetitive Peak Off State
Voltage vs. Temperature
Off-State Leakage Current vs.
Temperature
-200
-400
-600
-800
-1000
-1200
35
1200
Repetitive Peak Off State Voltage vs.
Temperature
Temperature (°C)
Off-State Leakage Current, IDRM (µA)
Repetitive Peak Off State Voltage, VRRM (V)
0
35
Repetitive Peak Off State Voltage, VDRM (V)
Gate Trigger Current (µA)
Gate Trigger Voltage (mV)
TYPICAL CHARACTERISTICS

55
75
95
115
135
Temperature (°C)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
120
IDRM=900V
100
80
60
40
20
0
35
55
75
95
115
135
Temperature (°C)
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FS0203
Off-State Leakage Current, IRRM (µA)
Off-State Leakage Current, IDRM (µA)
TYPICAL CHARACTERISTICS (Cont.)
Off-State Leakage Current vs.
Temperature
Off-State Leakage Current, IRRM (µA)

SCR
0
-20
-40
-60
IRRM=800V
-80
75
35
55
95
115
135
Temperature (°C)
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.
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