AHA25AJB-4K3 RES.ALUMINUM HOUSED 25W 4.3K Ohms ±5% POWER CHASSI The AHA25AJB-4K3 is a high-quality product offering RES.ALUMINUM HOUSED 25W 4.3K Ohms ±5% POWER CHASSI. With a shrink ratio of N/A and N/A operating temperature, it provides reliability in various applications.