SOP-18
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Triac; Thyristor Type:Standard; Peak Repetitive Off-State Voltage, Vdrm:400V; On-State RMS Current, IT(rms):4A; Gate Trigger Current (QI), Igt:10mA; Current, It av:4A; Holding Current:20mA; Leaded Process Compatible:Yes RoHS Compliant: Yes
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1 + 10 + 25 + 50 + >=100 -
최소 : 1 재고 : 3074
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Q:What defines the physical structure of SOP-18?
A:Key features include:
- 18-pin layout with dual-row (2×9) symmetrical arrangement
- Leaded gull-wing design for solder joint visibility
- Standard body thickness of 1.75 mm
- Epoxy molding compound for mechanical protection -
Q:Why choose SOP-18 over alternatives?
A:Critical advantages:
- Space Efficiency: 30% smaller footprint than DIP-18
- Thermal Performance: Balanced heat dissipation via exposed leads
- Electrical Benefits: Low-inductance leads for high-frequency stability
- Reliability: JEDEC MS-013 compliant for moisture resistance -
Q:What are common technical specs?
A:Standard configurations (consult datasheets):
- Body Size: 11.8 × 7.5 mm
- Height: 1.75 mm (typical)
- Pin Pitch: 1.27 mm
- Material: Copper-alloy leads with matte tin plating
- Temp Range: -40°C to +125°C -
Q:Where is SOP-18 typically applied?
A:Dominant use cases:
- Consumer Electronics: USB controllers (e.g., FTDI FT232RL)
- Industrial Systems: Motor drivers (e.g., DRV8825)
- Embedded Devices: Microcontroller interfaces (e.g., ATmega328P) -
Q:What are critical assembly guidelines?
A:Key recommendations:
- PCB Design: 0.2 mm solder mask clearance around pads
- Solder Paste: Type 3 recommended for fine-pitch leads
- Reflow Profile: Peak temp ≤ 250°C (Pb-free process)
- Inspection: AOI (Automated Optical Inspection) for lead coplanarity



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