TO-64

Q:What defines the physical structure of TO-64?

A:Key features include:
- Leadless bottom-mounted pads: Ensures stable PCB attachment.
- Central thermal pad (80% coverage): Optimizes heat dissipation.
- 8-pin layout with radial arrangement: Balanced signal distribution.
- 1.2 mm ultra-thin profile: Saves vertical space in compact designs.

Q:Why choose TO-64 over alternatives?

A:Critical advantages:
- Miniaturization: 30% smaller than TO-3P packages.
- Thermal Performance: Direct PCB heat path reduces junction temperature by 15%.
- Electrical Benefits: Low-inductance design (<1 nH) for high-frequency stability.
- Reliability: Moisture-resistant alumina substrate (IPC-3A standard).

Q:What are common technical specs?

A:Standard configurations (consult datasheets):
- Body Size: 6.5×6.5 mm
- Height: 1.2 mm
- Pin Pitch: 1.27 mm
- Material: Copper-alloy leads with Ni/Pd/Au plating
- Temp Range: -55°C to +175°C

Q:Where is TO-64 typically applied?

A:Dominant use cases:
- Power Converters: High-efficiency DC/DC modules (e.g., Vicor µModule®).
- RF Modules: Low-noise amplifiers (e.g., Qorvo TGA2212).
- Sensor Interfaces: Precision signal conditioning (e.g., Analog Devices ADXL357).

Q:What are critical assembly guidelines?

A:Key recommendations:
- PCB Design: Thermal vias (4×4 array) under the central pad.
- Solder Paste: Type 4 solder (Sn96.5/Ag3.0/Cu0.5) recommended.
- Reflow Profile: Peak temp ≤ 250°C (Ramp rate: 2°C/sec).
- Inspection: X-ray (AXI) mandatory for void detection (<10% tolerance).