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Partno	Mfg	Dc	Qty	Available	Descript
STD44N4LF6	ST	N/a	10010	avai	N-channel 40 V, 8.9 mOhm, 44 A , DPAK STripFET(TM) VI DeepGATE(TM) Power MOSFET

STD44N4LF6 ,N-channel 40 V, 8.9 mOhm, 44 A , DPAK STripFET(TM) VI DeepGATE(TM) Power MOSFETElectrical characteristics(T = 25 °C unless otherwise specified)CASE Table 5. StaticSymbol Paramete ..
STD45NF75 ,N-CHANNEL 75VABSOLUTE MAXIMUM RATINGSSymbol Parameter Value UnitV Drain-source Voltage (V = 0)75 VDS GSV Drain-g ..
STD45NF75T4 ,N-CHANNEL 75VELECTRICAL CHARACTERISTICS (T = 25 °C unless otherwise specified)caseOFFSymbol Parameter Test Condi ..
STD4N20 ,N-CHANNEL 200VABSOLUTE MAXIMUM RATINGSSymbol Parameter Value UnitV Drain-source Voltage (V = 0) 200 VDS GSV Drain ..
STD4N20-1 ,N-CHANNEL 200VABSOLUTE MAXIMUM RATINGSSymbol Parameter Value UnitV Drain-source Voltage (V = 0) 200 VDS GSV Drain ..
STD4NA40 , N - CHANNEL ENHANCEMENT MODE FAST POWER MOS TRANSISTOR
SUB15P01-52 ,P-Channel 8-V (D-S) 175C MOSFETABSOLUTE MAXIMUM RATINGS (T = 25
C 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 = 25
C UNLESS OTHERWIS ..
SUB40N06-25L ,N-Channel Enhancement-Mode MOSFETs, Logic LevelSUP/SUB40N06-25LVishay SiliconixN-Channel 60-V (D-S), 175C MOSFET, Logic Level 

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STD44N4LF6
N-channel 40 V, 8.9 mOhm, 44 A , DPAK STripFET(TM) VI DeepGATE(TM) Power MOSFET

October 2011 Doc ID 17171 Rev 4 1/15
STD44N4LF6
N-channel 40 V , 8.9 mΩ , 44 A DP AK ripFET™ VI DeepGA TE™ Power MOSFET
Features 100% avalanche tested Logic level drive
Applications Switching applications Automotive
Description
This device is an N-channel Power MOSFET
developed using the 6th generation of STripFET™
DeepGATE™ technology, with a new gate
structure. The resulting Power MOSFET exhibits
the lowest RDS(on) in all packages.

Figure 1. Internal schematic diagram

Table 1. Device summary

Contents STD44N4LF6
2/15 Doc ID 17171 Rev 4
Contents Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Packaging mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
STD44N4LF6 Electrical ratings
Doc ID 17171 Rev 4 3/15

1 Electrical ratings
Table 2. Absolute maximum ratings Pulse is rated according SOA
Table 3. Thermal resistance When mounted on 1 inch2 , 2 oz Cu.
Table 4. Avalanche data Starting Tj = 25 °C, ID = IAV, VDD = 24 V

Electrical characteristics STD44N4LF6
4/15 Doc ID 17171 Rev 4
2 Electrical characteristics
(TCASE = 25 °C unless otherwise specified)
Table 5. Static
Table 6. Dynamic
Table 7. Switching on/off (inductive load)
STD44N4LF6 Electrical characteristics
Doc ID 17171 Rev 4 5/15

Table 8. Source drain diode Pulse width limited by safe operating area Pulsed: pulse duration = 300 µs, duty cycle 1.5%