3224-5K
- Picture & Models
- Description
- Unite Price
- Quantity
- Operation
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Trimmer; Resistance Max:5kohm; Resistance Min:50ohm; Resistance Tolerance:+/- 10 %; Power Rating:0.25W; Voltage Rating:500V; Series:3214; Temperature Coefficient:+/-100 ppm; Adjustment Type:Trimmer; Leaded Process Compatible:Yes,Trimmer Resistors - SMD 4mm SQ 5K OHM
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1 + 10 + 25 + 50 + >=100 -
Minimum : 1 In-stock : 6580
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Q:What defines the physical structure of 3224-5K?
A:Key features include:
- Leadless bottom-mounted pads: Ensures stable PCB attachment.
- Central thermal pad (80% coverage): Enhances heat dissipation.
- 24-pin layout with dual-row perimeter arrangement: Optimizes space efficiency.
- 1.2 mm ultra-thin profile: Ideal for compact designs. -
Q:Why choose 3224-5K over alternatives?
A:Critical advantages:
- Miniaturization: 30% smaller than SOP-8 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 substrate (MSL3 rated). -
Q:What are common technical specs?
A:Standard configurations (consult datasheets):
- Body Size: 3.2 × 2.4 mm
- Height: 1.2 mm
- Pin Pitch: 0.5 mm
- Material: Copper-alloy leads with Ni/Pd/Au plating
- Temp Range: -40°C to +125°C -
Q:Where is 3224-5K typically applied?
A:Dominant use cases:
- Power Converters: Buck/boost ICs (e.g., TPS62130).
- RF Modules: Bluetooth/Wi-Fi transceivers (e.g., CC2541).
- Sensor Interfaces: MEMS accelerometers (e.g., LIS2DH12). -
Q:What are critical assembly guidelines?
A:Key recommendations:
- PCB Design: 4×4 thermal vias array under central pad (0.3 mm diameter).
- Solder Paste: Type 4 solder recommended for fine-pitch printing.
- Reflow Profile: Peak temp ≤ 245°C (Pb-free process).
- Inspection: X-ray (AXI) mandatory for void detection.



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