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LOW LEVEL ZENER DIODES SHARP KNEE, LOW IMPEDANCE K511 - K681
• Unique manufacturing process • Remarkably sharp breaking diodes • Very low impedances at low current levels • Lowest values of impedance ever achieved at the 250uA level
NOMINAL ZENER VOLTAGE @ Iz = 250µA (Vdc) 5.1 5.6 6.2 6.8 DYNAMIC IMPEDANCE MAX Zz MAX Zzk @ Iz = 250 µA @ Iz = 1 mA (OHMS) (OHMS) 50 15 45 15 35 18 25 18 REVERSE CURRENT @ 25° C MAX Ir Vr (µA) (Vdc) .05 2.5 .05 3.5 .05 5.6 .05 6.4
PART NUMBER K511 K561 K621 K681
Package Style DC Power Dissipation Derate above 50° C Forward Voltage Drop Operating Temperature (Topr) Storage Temperature (Tstg) Voltage Tolerance:
@ Ta = 50° C @ If = 100 mA
Standard Device
DO-7 250 mW 2 mW / °C 1.3 Vdc -65 to + 175° C -65 to + 200° C ±10%
P.O.
K681 Datasheet