WSP4016 N-channel 40V 15.5A SOP-8 WINSOK MOSFET
General Description
The WSP4016 is the highest performance trench N-ch MOSFET with extreme high cell density,which provide excellent RDSON and gate chargens for most of the synchronous buck converter applications . The WSP4016 meet the RoHS and Green Product requirement,100% EAS guaranteed with full function reliability approved.
Features
Advanced high cell density Trench technology, Super Low Gate Charge ,Excellent CdV/dt effect decline ,100% EAS Guaranteed ,Green Device Available.
Applications
White LED boost converters ,Automotive Systems ,Industrial DC/DC Conversion Circuits, EAutomotive electronics, LED lights, audio, digital products, small household appliances, consumer electronics, protection boards, etc.
corresponding material number
AO AOSP66406, ON FDS8842NZ, VISHAY Si4840BDY, PANJIT PJL9420, Sinopower SM4037NHK, NIKO PV608BA,
DINTEK DTM5420.
Important parameters
Symbol | Parameter | Rating | Units |
VDS | Drain-Source Voltage | 40 | V |
VGS | Gate-Source Voltage | ±20 | V |
ID@TC=25℃ | Continuous Drain Current, VGS @ 10V1 | 15.5 | A |
ID@TC=70℃ | Continuous Drain Current, VGS @ 10V1 | 8.4 | A |
IDM | Pulsed Drain Current2 | 30 | A |
PD@TA=25℃ | Total Power Dissipation TA=25°C | 2.08 | W |
PD@TA=70℃ | Total Power Dissipation TA=70°C | 1.3 | W |
TSTG | Storage Temperature Range | -55 to 150 | ℃ |
TJ | Operating Junction Temperature Range | -55 to 150 | ℃ |
Electrical Characteristics (TJ=25 ℃, unless otherwise noted)
Symbol | Parameter | Conditions | Min. | Typ. | Max. | Unit |
BVDSS | Drain-Source Breakdown Voltage | VGS=0V , ID=250uA | 40 | --- | --- | V |
RDS(ON) | Static Drain-Source On-Resistance2 | VGS=10V , ID=7A | --- | 8.5 | 11.5 | mΩ |
VGS=4.5V , ID=5A | --- | 11 | 14.5 | |||
VGS(th) | Gate Threshold Voltage | VGS=VDS , ID =250uA | 1.0 | 1.8 | 2.5 | V |
IDSS | Drain-Source Leakage Current | VDS=32V , VGS=0V , TJ=25℃ | --- | --- | 1 | uA |
VDS=32V , VGS=0V , TJ=55℃ | --- | --- | 25 | |||
IGSS | Gate-Source Leakage Current | VGS=±20V , VDS=0V | --- | --- | ±100 | nA |
gfs | Forward Transconductance | VDS=5V , ID=15A | --- | 31 | --- | S |
Qg | Total Gate Charge (4.5V) | VDS=20V ,VGS=10V ,ID=7A | --- | 20 | 30 | nC |
Qgs | Gate-Source Charge | --- | 3.9 | --- | ||
Qgd | Gate-Drain Charge | --- | 3 | --- | ||
Td(on) | Turn-On Delay Time | VDD=20V,VGEN=10V,RG=1Ω, ID=1A, RL=20Ω. | --- | 12.6 | --- | ns |
Tr | Rise Time | --- | 10 | --- | ||
Td(off) | Turn-Off Delay Time | --- | 23.6 | --- | ||
Tf | Fall Time | --- | 6 | --- | ||
Ciss | Input Capacitance | VDS=20V , VGS=0V , f=1MHz | --- | 1125 | --- | pF |
Coss | Output Capacitance | --- | 132 | --- | ||
Crss | Reverse Transfer Capacitance | --- | 70 | --- |
Note :
1.Pulse test: PW <= 300us duty cycle <= 2%.
2.Guaranteed by design, not subject to production testing.
Why Choose Us?
Better Than Factory Prices
Competitive pricing that beats direct factory offers through our strategic partnerships
Fast Shipping
Large inventory ready for immediate dispatch with quick delivery times
Premium Service
Superior customer support and technical assistance throughout your journey
FAQ
How to Place an Order?
1. Submit inquiry through our website
2. Receive quotation within 24 hours
3. Confirm order details and make payment
4. Order processing and shipping
MOQ & Payment Terms
• Standard MOQ: 1000 pieces
• Sample order: 10-50 pieces
• Payment Terms: 30% deposit, 70% before shipment
Payment Methods
• T/T (Bank Transfer)
• Letter of Credit (L/C)
• Western Union
• PayPal (for sample orders)
Shipping & Delivery
• Warehouses: Hong Kong & Shenzhen
• Delivery time: 3-5 days after payment
• Express services: DHL, FedEx, UPS
• Air freight available for bulk orders
Certifications & Quality Assurance
ISO 9001:2015
Quality Management System Certified
RoHS Compliant
Environmental Protection Standard
REACH Compliant
European Union Safety Standard
Customer Testimonials
Real feedback from our global customers, witnessing our quality and service excellence

Olukey's MOSFETs consistently deliver stable quality with precise delivery times. We've made multiple purchases and remain highly satisfied.
Procurement Manager @ XYZ Electronics (India)

Competitive pricing coupled with responsive technical support helped us optimize our circuit design effectively.
Supply Chain Executive @ TechPower Solutions (Vietnam)

From small batch testing to mass production, our cooperation has been seamless. A truly reliable long-term partner.
Hardware Engineer @ BrightCircuit Innovations (Malaysia)
Our Trusted Partners
Our products are successfully implemented in smart devices, power adapters, and industrial equipment by global brands








📌Choose Olukey for a More Efficient and Reliable Supply Chain!