P.O. BOX 609
ROCKPORT, MAINE 04856
207-236-6076
FAX 207-236-9558
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 DYNAMIC IMPEDANCE REVERSE CURRENT
PART ZENER VOLTAGE MAX Zz MAX Zzk @ 25 C
NUMBER @ Iz = 250A
@ Iz = 250 A @ Iz = 1 mA MAX Ir Vr
(Vdc) (OHMS) (OHMS) (A) (Vdc)
K511 5.1 50 15 .05 2.5
K561 5.6 45 15 .05 3.5
K621 6.2 35 18 .05 5.6
K681 6.8 25 18 .05 6.4
Package Style DO-7
DC Power Dissipation @ Ta = 50 C 250 mW
Derate above 50 C 2 mW / C
Forward Voltage Drop @ If = 100 mA 1.3 Vdc
Operating Temperature (Topr) -65 to + 175 C
Storage Temperature (Tstg) -65 to + 200 C
Voltage Tolerance: Standard Device 10%
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