Data Sheet NTE5240A thru NTE5296A 50 Watt Zener Diodes ±5% Tolerance Features: Zener Voltage 3.9 to 200V Low Zener Impedance Highly Reliable and Rugged Also Available in Reverse Polarity (NTE5240AK thru NTE5296AK) Replaces: ECG5251A, SK532 Additional Model #'s 76-NTE5251A NTE5251A UPC: 768249209218