ACST4-7CB STMicroelectronics, ACST4-7CB Datasheet - Page 8

• Manufacturer Part Number: ACST4-7CB
• Description: IC AC POWER SWITCH 25MA DPAK
• Manufacturer: STMicroelectronics

Specifications of ACST4-7CB

• Triac Type: Standard
• Mounting Type: Surface Mount
• Configuration: Single
• Current - Hold (ih) (max): 35mA
• Voltage - Off State: 700V
• Current - Gate Trigger (igt) (max): 25mA
• Current - Non Rep. Surge 50, 60hz (itsm): 30A, 33A
• Current - On State (it (rms)) (max): 4A
• Voltage - Gate Trigger (vgt) (max): 1.1V
• Package / Case: TO-252-3, DPak (2 Leads + Tab), SC-63
• Current - On State (it (rms) (max): 4A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-4639-5

Application information
8/13
Figure 18. Overvoltage ruggedness test circuit for resistive and inductive loads for
Figure 19. Typical current and voltage waveforms across the ACST4 during
AC Mains
IEC 61000-4-5 standards
IEC 61000-4-5 standard test
Filtering unit
V
I peak = 90 A
I
Rg = 220
R = 23 , L = 2 µH, Vsurge = 2 kV
Doc ID 8766 Rev 5
(ACST410-8), 68
Surge generator
dI/dt = 130 A/µs
2kV surge
Rgene
1.2/50 µs voltage surge
8/20 µs current surge
V peak = V CL
(ACST435-8)
Model of the load
R
L
0
0
ACST4
ASCT4
Rg