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 TO-220F 3A Thyristor with built-in Avalanche diode
TFD312S series
s Features
qWith built-in Avalanche diode qAverage on-state current: IT(AV)=3A qGate trigger current: IGT=10mA max qIsolation voltage: VISO=1500V(50Hz AC, RMS, 1min.)
13.0 min
External Dimensions
(Unit: mm)
16.90.3 8.40.2 4.00.2
10.00.2 3.30.2
4.20.2 C 0.5 2.8
A
a b
1.350.15 1.350.15 +0.2 0.85 -0.1 +0.2 0.45 -0.1 2.40.2
a. Part Number b. Lot Number
3.90.2 0.80.2
G K
2.54 2.20.2
2.54
(1). Cathode (K) (2). Anode (A) (3). Gate (G)
(1) (2) (3)
Weight: Approx. 2.1g
sAbsolute Maximum Ratings
Parameter
Repetitive peak off-state voltage Average on-state current RMS on-state current Surge on-state current Squared rated current and time product Peak forward gate voltage Peak reverse gate voltage Peak gate power loss Average gate power loss Junction temperature Storage temperature Isolation voltage
Symbol
VDRM IT (AV) IT (RMS) ITSM I2t VFGM VRGM PGM PG (AV) Tj Tstg VISO
Ratings
V
3.0 4.7 60 18 1.5 5.0 5.0 0.5
Unit
V A A A A2 * sec V V W W C C V
Conditions
Tj=-10 to +125C, RGK=1k 50Hz Half-cycle sinewave, 180, Continuous current, Tc =92C 50Hz Half-cycle sinewave, Peak value, Non-repetitive, Tj=125C 2ms f f f t 10ms 10% 10% 50Hz, duty 50Hz 50Hz, duty
-10 to +125 -40 to +125
1500
50Hz Sine wave, RMS, Terminal to case, 1min.
VVDRM
Rank Ratings -C 20 -F 35 -G 45 -J 80 -K 100 -L 120 -M 145 -N 170 -O 190
sElectrical Characteristics
Parameter
Off-state current Breakover voltage Breakover current On-state voltage Gate trigger voltage Gate trigger current Gate non-trigger voltage Holding current Critical rate-of-rise of off-state voltage Thermal resistance
(Tj=25C, unless otherwise specified)
Symbol
IDRM VBO IBO VTM VGT IGT VGT IH dv/dt Rth
Ratings
min typ max 1.0 100 V 0.2 15 1.4 1.0 0.2 0.1 15 40 5.0 10
Unit
mA A V mA V V mA V mA V/S C/W ITM=5A VD=6V, RL=10
Conditions
Tj=125C, VD=VDRM, RGK=1k Tj=25C, VD=VDRM, RGK=1k
VD=VDRM, Tj=125C, RGK=1k RGK=1k, Tj=125C VD=VDRM, Tj=125C, RGK=1k, CGK=0.033F Junction to case
VVBO
Rank min Ratings typ max -C 27 30 33 -F 50 55 60 -G 60 65 70 -J 90 100 110 -K 115 125 135 -L 140 150 160 -M 163 175 187 -N 185 200 215 -O 210 225 240
Application example
Input
Reg.
Overvoltage detection
TFD312S
Load
Overcurrent detection
26
TFD312S series
vT - iT Characteristics (max)
100 50
ITSM Ratings
100
Initial junction temperature Tj=125C
I TSM
Gate Characteristics
Gate trigger voltage VGT (V)
Tj=25C Tj=125C Surge on-state current ITSM (A)
20 18 16
1 cycle
iT (A)
vGF (V)
1
14 12 10 8 6 4 2
On-state current
10 5
60
Gate voltage
0
0
10 Gate trigger current IGT (mA)
Tj=25C
80
10 ms
Tj= -20C
20
40
1 0.5 0.3 1.0 2.0 3.0 4.0
20
See graph at the upper right
0 1 2 3
0 1 5 10 50 100
0
On-state voltage
vT ( V )
Number of cycle
Gate current
iGF (A)
IT(AV) - PT(AV) Characteristics
8
IT(AV) - Tc Ratings
150
Half wave, single phase : Conduction angle
Average on-state power PT(AV) (W)
Half wave, single phase : Conduction angle
DC
7
18
Case temperature TC (C)
6 5
90 30 60 12 0
0
0 180
125
0 180
100 =30 90 120 180 60
2 1 0 0 1 2 3 4 5 6
=
3
50
25 0
0
1
2
3
4
DC
4
75
5
6
Average on-state current IT(AV) (A)
Average on-state current IT(AV) (A)
Pulse trigger temperature Characteristics vgt (Typical)
Pulse trigger temperature Characteristics igt (Typical)
trigger IGT DC gateat 25C current
IH temperature Characteristics
(Typical)
14 12 (RGK=1k)
)
2.0
trigger VGT DC gateat 25C voltage
Holding current IH (mA)
(
1.5
Tj =- 40C -20C tw 0C 25C 50C 75C 100C 125C
)
vgt
30
10 5
igt Tj =- 40C -20C tw 0C 25C 50C 75C 100C 125C
10 8 6 4 2 0 -40
vgt ( Gate trigger voltage) at Ta and tw
1.0
igt (Gate trigger current ) at Ta and tw
(
1 0.5 0.2 0.5
0.5 0.5 1
10
10 2
10 3
1
10
10 2
10 3
0
25
50
75
100
Tj= -40C
2
125
Pulse width
tw (s)
Pulse width
tw (s)
Junction temperature Tj (C)
VGT temperature Characteristics
(Typical)
1.0 (VD=6V, RL=10)
IGT temperature Characteristics
(Typical)
10 (VD=6V, RL=10)
Transient thermal resistance Characteristics (Junction to case)
10
rth (C/W)
Transient thermal resistance
0.8
Gate trigger current IGT (mA)
5
Gate trigger voltage VGT (V)
8
0.6
6
1 0.5
0.4
4
0.2
2
0 - 40
0
25
50
75
100
125
0 -40
0
25
50
75
100
125
0.1
1
10
10 2
10 3
10 4
Junction temperature Tj (C)
Junction temperature Tj (C)
t, Time (ms)
27


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