Teccor
®
brand Thyristors
15 and 16 Amp Standard SCRs
Sxx15x & Sxx16x Series
Description
Excellent unidirectional switches for phase control
applications such as heating and motor speed controls.
Standard phase control SCRs are triggered with few
milliamperes of current at less than 1.5V potential.
Features & Benefits
to 1000 V
junctions
225 A
Applications
Agency File Number
L Package: E71639
Agency Approval
Agency
®
Typical applications are capacitive discharge systems for
strobe lights, nailers, staplers and gas engine ignition. Also
controls for power tools, home/brown goods and white
goods appliances.
Internally constructed isolated packages are offered for
ease of heat sinking with highest isolation voltage.
Main Features
Symbol
I
T(RMS)
V
DRM
/V
RRM
I
GT
Value
15 & 16
400 to 1000
30
Unit
A
V
mA
Schematic Symbol
A
K
G
Absolute Maximum Ratings — Standard SCRs
Symbol
I
T(RMS)
Parameter
RMS on-state current
Test Conditions
Sxx15L
Sxx16R
Sxx16N
Sxx15L
I
T(AV)
Average on-state current
Sxx16R
Sxx16N
T
C
= 90°C
T
C
= 110°C
T
C
= 90°C
T
C
= 110°C
Value
15
A
16
9.5
10.0
188
A
225
210
125
3
0.6
-40 to 150
-40 to 125
A
2
s
A/μs
A
W
°C
°C
A
Unit
I
TSM
I
2
t
di/dt
I
GM
P
G(AV)
T
stg
T
J
Note: xx = voltage
Sxx15x & Sxx16x Series
Peak non-repetitive surge current
single half cycle; f = 50Hz;
T
J
(initial) = 25°C
single half cycle; f = 60Hz;
T
J
(initial) = 25°C
t
p
= 8.3 ms
f = 60 Hz ; T
J
= 125°C
T
J
= 125°C
T
J
= 125°C
I
2
t Value for fusing
Critical rate of rise of on-state current
Peak gate current
Average gate power dissipation
Storage temperature range
Operating junction temperature range
287
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Revised: 09/23/13
Teccor
®
brand Thyristors
15 and 16 Amp Standard SCRs
Electrical Characteristics
(T
J
= 25°C, unless otherwise specified)
Value
Symbol
Test Conditions
MAX.
V
D
= 12V; R
L
= 60
:
400V
V
D
= V
DRM
; gate open; T
J
= 100°C
dv/dt
600V
800V
1000V
400V
V
D
= V
DRM
; gate open; T
J
= 125°C
600V
800V
V
GD
I
H
t
q
t
gt
V
D
= V
DRM
R
L
= 3.3 k: T
J
= 110°C
I
T
= 200mA (initial)
I
T
=2A; t
p
=50μs; dv/dt=5V/μs; di/dt=-30A/μs
I
G
= 2 x I
GT
PW = 15μs I
T
= 12A
MIN.
MAX.
MAX.
TYP
.
MIN.
MIN.
MAX.
Sxx15x
Sxx16x
30
1
1.5
450
425
400
200
350
325
300
0.2
40
35
2
V
mA
μs
μs
V/μs
Unit
I
GT
V
GT
mA
V
Note: xx = voltage, x = package
(1) I
T
=2A; t
p
=50μs; dv/dt=5V/μs; di/dt=-30A/μs
Static Characteristics
Symbol
V
TM
Test Conditions
15A Device I
T
= 30A; t
p
= 380 μs
16A Device I
T
= 32A; t
p
= 380 μs
400 - 600V
T
J
= 25°C
800 - 1000V
400 - 600V
I
DRM
/ I
RRM
V
DRM
= V
RRM
T
J
= 100°C
800V
1000V
400 - 600V
T
J
= 125°C
800V
MAX.
10
20
500
1000
3000
1000
2000
μA
MAX.
Value
1.6
Unit
V
Thermal Resistances
Symbol
R
T(J-C)
Junction to case (AC)
Sxx15L
Sxx16R
R
T(J-A)
Note: xx = voltage
Parameter
Sxx16R/ Sxx16N
Value
1.1
Unit
°C/W
2.5
40
°C/W
50
Junction to ambient
Sxx15L
Sxx15x & Sxx16x Series
288
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Revised: 09/23/13
Teccor
®
brand Thyristors
15 and 16 Amp Standard SCRs
Figure 1: Normalized DC Gate Trigger Current
vs. Junction Temperature
2.0
Figure 2: Normalized DC Gate Trigger Voltage
vs. Junction Temperature
2.0
Ratio of V
GT
/ V
GT
(T
J
= 25ºC)
Ratio of I
GT
/ I
GT
(T
J
= 25°C)
1.5
1.5
1.0
1.0
0.5
0.5
0.0
-40
-15
10
35
60
85
110
125
0.0
-40
-15
10
35
60
85
110
125
Junction Temperature (T
J
) -- (ºC)
Junction Temperature (T
J
) -- (°C)
Figure 3: Normalized DC Holding Current
vs. Junction Temperature
2.0
Figure 4: On-State Current vs. On-State
Voltage (Typical)
60
Instantaneous On-state Current (i
T
) – Amps
50
Ratio of I
H
/ I
H
(T
J
= 25°C)
1.5
40
1.0
30
20
0.5
10
0.0
-40
-15
10
35
60
85
110
125
0
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
Junction Temperature (T
J
) -- (°C)
Instantaneous On-state Voltage (v
T
) – Volts
Figure 5: Power Dissipation (Typical)
vs. RMS On-State Current
14
Figure 6: Maximum Allowable Case Temperature
vs. RMS On-State Current
130
125
Average On-State Power Dissipation
[P
D(AV)
] - (Watts)
12
10
Maximum Allowable Case
Temperature (T
C
) - °C
120
115
110
105
100
95
90
85
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
0
2
4
6
8
Sxx15L
Sxx16R
Sxx16N
8
6
4
2
0
0
2
4
6
8
10
12
14
16
80
10
12
14
16
18
RMS On-State Current [I
T(RMS)
] - (Amps)
RMS On-State Current [I
T(RMS)
] - Amps
Sxx15x & Sxx16x Series
289
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Revised: 09/23/13
Teccor
®
brand Thyristors
15 and 16 Amp Standard SCRs
Figure 7: Maximum Allowable Case Temperature
vs. Average On-State Current
130
125
Figure 8: Maximum Allowable Ambient Temperature
vs. RMS On-State Current
1.2
Maximum Allowable Case
Temperature (T
C
)- °C
115
110
105
Sxx15L
100
95
90
85
80
0
1
2
3
4
5
6
7
8
9
10
11
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
Normalized Peak Current
120
Sxx16R
Sxx16N
1.0
0.8
0.6
0.4
0.2
0.0
0
25
50
75
100
125
150
Average On-State Current [I
T(AVE)
] - Amps
Case Temperature (T
C
) - °C
Figure 9: Maximum Allowable Ambient Temperature vs. Average On-State Current
120
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
FREE AIR RATING
Maximum Allowable Ambient
Temperature (T
A
) - °C
100
80
Sxx16R
Sxx16N
60
Sxx15L
40
20
0
0.0
0.5
1.0
1.5
Average On-State Current [I
T(AVE)
] - Amps
Note: xx = voltage
Figure 10: Peak Capacitor Discharge Current
1000
Figure 11: Peak Capacitor Discharge Current Derating
1.2
Peak Discharge Current (I
TM
) - Amps
1.0
Normalized Peak Current
t
W
0.8
100
0.6
0.4
I
TRM
0.2
10
0.5
1.0
10.0
50.0
0.0
0
25
50
75
100
125
150
Pulse Current Duration (t
w
) - ms
Case Temperature (T
C
) - °C
Sxx15x & Sxx16x Series
290
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Revised: 09/23/13
Teccor
®
brand Thyristors
15 and 16 Amp Standard SCRs
Figure 12: Surge Peak On-State Current vs. Number of Cycles
1000
Peak Surge (Non-repetitive)
On-state Current (I
TSM
) – Amps
SUPPLY FREQUENCY: 60 Hz Sinusoidal
LOAD: Resistive
RMS On-State Current: [I
T(RMS)
]: Maximum Rated
Value at Specified Case Temperature
Notes:
1. Gate control may be lost during and immediately
following surge current interval.
2. Overload may not be repeated until junction
temperature has returned to steady-state
rated value.
Sxx16R
Sxx16N
100
Sxx15L
10
1
10
100
1000
Surge Current Duration -- Full Cycles
Soldering Parameters
Reflow Condition
T
P
Temperature
- Temperature Min (T
s(min)
)
Pre Heat
- Temperature Max (T
s(max)
)
- Time (min to max) (t
s
)
Average ramp up rate (Liquidus Temp)
(T
L
) to peak
T
S(max)
to T
L
- Ramp-up Rate
Reflow
- Temperature (T
L
) (Liquidus)
- Temperature (t
L
)
260
+0/-5
t
P
Ramp-up
150°C
200°C
T
L
T
S(max)
Preheat
t
L
Ramp-do
Ramp-down
5°C/second max
5°C/second max
217°C
T
S(min)
t
S
25
time to peak temperature
Time
Peak Temperature (T
P
)
Time within 5°C of actual peak
Temperature (t
p
)
Ramp-down Rate
Time 25°C to peak Temperature (T
P
)
Do not exceed
°C
5°C/second max
8 minutes Max.
280°C
Sxx15x & Sxx16x Series
291
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Revised: 09/23/13
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