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STD3NK50ZSTN/a2500avaiN-CHANNEL 500V
STD3NK50Z-1 |STD3NK50Z1STMN/a300avaiN-CHANNEL 500V
STD3NK50ZT4STN/a1590avaiN-CHANNEL 500V


STD3NK50Z ,N-CHANNEL 500VFEATURES OF GATE-TO-SOURCE ZENER DIODESThe built-in-back-to-back Zener diodes have specifically bee ..
STD3NK50Z-1 ,N-CHANNEL 500VAbsolute Maximum ratingsSymbol Parameter Value UnitDPAK/IPAK TO-92V Drain-source Voltage (V = 0) 50 ..
STD3NK50ZT4 ,N-CHANNEL 500VFeatures Figure 1: PackageTYPE V R I PwDSS DS(on) DSTQ3NK50ZR-AP 500 V 3.3 Ω 0.5 A 3 WSTD3NK50Z 50 ..
STD3NK60ZT4 ,N-CHANNEL 600VSTP3NK60Z - STP3NK60ZFPSTB3NK60Z-STD3NK60Z-STD3NK60Z-1N-CHANNEL 600V - 3.3Ω - 2.4A TO-220/FP/D2PAK/ ..
STD3NK80Z ,N-CHANNEL 800VABSOLUTE MAXIMUM RATINGSSymbol Parameter Value UnitSTD3NK80ZSTP3NK80Z STF3NK80ZSTD3NK80Z-1V Drain-s ..
STD3NK80Z-1 ,N-CHANNEL 800VAPPLICATIONS■ HIGH CURRENT, HIGH SPEED SWITCHING■ IDEAL FOR OFF-LINE POWER SUPPLIES,ADAPTORS AND PF ..
STZ6.8T , Zener diode
STZC6.8N , ESD Protection diode
SUB15P01-52 ,P-Channel 8-V (D-S) 175C MOSFETABSOLUTE MAXIMUM RATINGS (T = 25C UNLESS OTHERWISE NOTED)AParameter Symbol Limit UnitDrain-Source ..
SUB15P01-52 ,P-Channel 8-V (D-S) 175C MOSFETS-20966—Rev. C, 01-Jul-02 1SUP/SUB15P01-52Vishay SiliconixSPECIFICATIONS (T = 25C UNLESS OTHERWIS ..
SUB40N06-25L ,N-Channel Enhancement-Mode MOSFETs, Logic LevelSUP/SUB40N06-25LVishay SiliconixN-Channel 60-V (D-S), 175C MOSFET, Logic Level 

STD3NK50Z-STD3NK50Z-1-STD3NK50ZT4
N-CHANNEL 500V
1/14January 2005
STQ3NK50ZR-AP
STD3NK50Z - STD3NK50Z-1

N-CHANNEL 500V - 2.8Ω - 2.3A TO-92/DPAK/IPAK
Zener-Protected SuperMESH™ MOSFET
Rev. 2
STD3NK50Z - STD3NK50Z-1 - STQ3NK50ZR-AP
2/14
Table 3: Absolute Maximum ratings
) Pulse width limited by safe operating area
(1) ID ≤ 2 di/dt ≤ 200A/µs, V DD ≤ V(BR)DSS
Table 4: Thermal Data

(#) When mounted on 1inch² FR4, 2 Oz copper board.
Table 5: Avalanche Characteristics
Table 6: GATE-SOURCE ZENER DIODE
PROTECTION FEATURES OF GATE-TO-SOURCE ZENER DIODES

The built-in-back-to-back Zener diodes have specifically been designed to enchance not only the device’s
ESD capability, but also to make them safely absorb possible voltage transients that may occasionally be
applied from gate to source. In this respect the Zener voltage is appropriate to achieve an efficient and
cost-effective intervention to protect the device’s integrity. These integrated Zener diodes thus avoid the
usage of external components.
3/14
STD3NK50Z - STD3NK50Z-1 - STQ3NK50ZR-AP
ELECTRICAL CHARACTERISTICS (TCASE =25°C UNLESS OTHERWISE SPECIFIED)
Table 7: On/Off
Table 8: Dynamic
Table 9: Source Drain Diode

Note:1. Pulsed: Pulse duration = 300 µs, duty cycle 1.5 %. Pulse width limited by safe operating area. Coss eq. is defined as a constant equivalent capacitance giving the same charging time as Coss when VDS increases from 0 to 80%
VDSS.
STD3NK50Z - STD3NK50Z-1 - STQ3NK50ZR-AP
4/14
Figure 3: Safe Operating Area For TO-92
Figure 4: Safe Operating Area For DPAK / IPAK
Figure 5: Output Characteristics
Figure 6: Thermal Impedance TO-92
Figure 8: Transfer Characteristics
5/14
STD3NK50Z - STD3NK50Z-1 - STQ3NK50ZR-AP
Figure 9: Transconductance
Figure 10: Gate Charge vs Gate-source Voltage
Figure 11: Static Drain-Source On Resistance
Figure 12: Capacitance Variations
Figure 13: Normalized Gate Threshold Voltage
vs Temperature
Figure 14: Source-Drain Forward Characteris-
tics
STD3NK50Z - STD3NK50Z-1 - STQ3NK50ZR-AP
6/14
Figure 15: Maximum Avalanche Energy vs
Temperature
perature
Figure 17: Normalized BVDSS vs Temperature
7/14
STD3NK50Z - STD3NK50Z-1 - STQ3NK50ZR-AP
Figure 18: Unclamped Inductive Load Test Cir-
cuit
Figure 20: Test Circuit For Inductive Load
Switching and Diode Recovery Times
Figure 21: Unclamped Inductive Wafeform

Figure 22: Gate Charge Test Circuit

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