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PDF ACST1635-8FP Data sheet ( Hoja de datos )
| Número de pieza | ACST1635-8FP | |
| Descripción | Overvoltage protected AC switch | |
| Fabricantes | STMicroelectronics | |
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ACST1635-8FP
Overvoltage protected AC switch
Features
■ Enables equipment to meet IEC 61000-4-5
surge with overvoltage crowbar technology
■ High noise immunity against static dV/dt and
IEC 61000-4-4 burst
■ High junction temperature: Tj = 150 °C
■ Needs no external over-voltage protection
■ VCL gives headroom before clamping then
crowbar action
■ Reduces component count
■ ECOPACK®2 compliant component
■ Complies with UL standards (File ref: E81734)
■ Provides UL certified insulation rated at
1500 V rms
Applications
■ AC static switching in appliances and industrial
control systems
■ Drive of medium power AC loads such as:
– Coffee making appliances
– Universal drum motor of washing machine
– Compressor of fridge or air conditioner
– Heating and cooking appliances
– Vacuum cleaners
– Solid state relays
Datasheet production data
G
OUT
COM
TO-220FPAB
ACST1635-8FP
Figure 1. Functional diagram
OUT
G
COM
Description
The ACST1635-8FP belongs to the AC power
switch range built with A.S.D.® technology. This
high performance device is designed for home
appliances or industrial systems and drives loads
up to 16 A.
This ACST1635-8FP switch embeds a Triac
structure with a high voltage crowbar device to
absorb the inductive turn-off energy and
withstand line surges such as those described in
the IEC 61000-4-5 (surge immunity test).
A.S.D. is a registered trademark of STMicroelectronics
September 2012
This is information on a product in full production.
Doc ID 023630 Rev 1
1/13
www.st.com
13
http://www.Datasheet4U.com
1 page  
ACST1635-8FP
Characteristics
Figure 12. Relative variation of critical rate of
decrease of main current versus
junction temperature
20 (dl / dt)c [Tj] / (dl / dt)c [Tj = 150 °C]
18
typical values
16
14
12
10
8
6
4
2
Tj(°C)
0
25 50 75 100 125 150
Figure 13. Relative variation of static dV/dt
immunity versus junction
temperature (typical values)
dV / dt [Tj] / dV / dt [Tj = 150 °C]
7
(dV/dt) > 5 KV/µs @ 150 °C
6 exceeding
measurements capabilities
VD = VR = 536 V
5
4
3
2
1
Tj(°C)
0
25 50 75 100 125 150
Figure 14. Relative variation of the maximal
clamping voltage versus junction
temperature (minimum value)
1.15 VCL[Tj/VCL[Tj = 25 °C]
1.10
1.05
1.00
Figure 15. Relative variation of Leakage
current versus junction
temperature
Relative leakage current A/B*
1.0E+00
VDRM = VRRM = 800 V
1.0E-01
VDRM = VRRM = 600 V
1.0E-02
1.0E-03
VDRM = VRRM = 400 V
0.95
1.0E-04
0.90
1.0E-05
Tj(°C)
0.85
-50
-25
0
Tj(°C)
25 50 75 100 125 150
25 50 75 100 125 150 *A = Leakage current (IDRM = IRRM) at indicated TJ and VDRM =V RRM
*B = Leakage current (IDRM = IRRM) at Tj = 150 °C, VDRM =V RRM = 800 V
Doc ID 023630 Rev 1
5/13
5 Page 
ACST1635-8FP
4 P ackage information
Package information
● Epoxy meets UL94, V0
● Recommended torque: 0.4 to 0.6 N·m
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
Table 5. TO-220FPAB dimensions
A
HB
L2
L3
L4
Dia
L6
L5
D
F1
F2
F
G1
G
L7
E
Dimensions
Ref. Millimeters
Inches
Min. Max. Min. Max.
A 4.4 4.6 0.173 0.181
B 2.5 2.7 0.098 0.106
D 2.5 2.75 0.098 0.108
E 0.45 0.70 0.018 0.027
F 0.75
1 0.030 0.039
F1 1.15 1.70 0.045 0.067
F2 1.15 1.70 0.045 0.067
G 4.95 5.20 0.195 0.205
G1 2.4
2.7 0.094 0.106
H 10 10.4 0.393 0.409
L2 16 Typ.
0.63 Typ.
L3 28.6 30.6 1.126 1.205
L4 9.8 10.6 0.386 0.417
L5 2.9
3.6 0.114 0.142
L6 15.9 16.4 0.626 0.646
L7 9.00 9.30 0.354 0.366
Dia. 3.00
3.20 0.118 0.126
Doc ID 023630 Rev 1
11/13
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