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2SK3116B-ZK-E1-AY-VB Product details
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2SK3116B-ZK-E1-AY-VB is a Single N-MOS optimized for high-voltage power switching scenarios, using a Planar planar process that ensures stable high-voltage characteristics and reliable avalanche tolerance. The TO263 package achieves a good balance between heat dissipation performance and ease of installation, making it suitable for medium-to-high-power power supplies and industrial control applications. The combination of 650V withstand voltage, 8A current capacity, and 1000mΩ on-resistance makes it an ideal choice for high-voltage auxiliary power supplies, AC-DC converters, and PFC circuits, especially for systems with high requirements for voltage margin and thermal reliability.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 650V | 3.5V | 8A | 1000(mΩ) | Planar |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | Planar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 650V | 3.5V | 8A | Planar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 650V | 3.5V | 8A | Planar |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N |
VDS=650V: Suitable for bus voltage after rectification of 220V or 380V AC, providing ample voltage margin for spikes to reduce breakdown risk and enhance system voltage withstand reliability.
VGS=±30V: Wide gate drive voltage window, compatible with various PWM controllers and dedicated driver ICs, simplifying gate drive circuit design.
Vth=3.5V (Typical): Moderate threshold voltage, effectively resists false turn-on caused by dv/dt, enhancing anti-interference capability of high-voltage bridge circuits.
RDS(on)=1000mΩ @ VGS=10V: Reasonable trade-off between on-resistance and voltage withstand in standard high-voltage planar process, suitable for high-voltage low-current continuous conduction scenarios, reducing switching loss and drive burden.
ID=8A: Continuous current capability meets the needs of most medium-power high-voltage loads, combined with TO263 package for good heat dissipation.
Package TO263: Industry-standard large package, high heat dissipation efficiency, supports automated assembly, balancing power density and manufacturability.
Domain and module applications：
Switching Power Supply (SMPS): High-voltage MOSFET serves as main switch in flyback or forward topologies. 650V voltage tolerance easily handles wide input voltage and transient overshoot, improving power supply reliability.
AC-DC Adapter/Charger: Used as switching tube in flyback converter. Low switching loss and high-temperature stability help reduce transformer size and improve overall efficiency.
PFC Power Factor Correction Circuit: Acts as active switch in Boost PFC topology. High voltage tolerance and ample safety margin adapt to grid fluctuations, reducing system failure risk.
LED Lighting Driver Power Supply: Suitable for high-voltage LED street lights, industrial lighting drivers. Reliable high-voltage switching characteristics ensure long lifespan and reduce maintenance costs.
Industrial Auxiliary Power Supply: Provides high-voltage auxiliary power for inverters, servo drives. Planar process offers good short-circuit withstand time and thermal stability, suitable for harsh industrial environments.
Photovoltaic Inverter Auxiliary Circuit: Used for PV DC-side auxiliary power supply and discharge circuit. Wide safe operating area and high voltage tolerance improve system adaptability to PV panel voltage variations.
Home Appliance Power Control Board: In high-voltage switching circuits of air conditioners, induction cookers, etc., provides stable high-voltage switching performance, replaces DIP package devices and improves thermal layout.
Selection Summary: 2SK3116B-ZK-E1-AY-VB achieves a reliable balance between high voltage tolerance, conduction loss, and package heat dissipation. It is a cost-effective general-purpose choice for 650V high-voltage switching power supplies and industrial control applications, especially suitable for projects with strict requirements on voltage margin and system stability.
* Please note: the above is only an example application scenario, the specific application depends on the requirements and conditions of the system design. When using this device, consult its data sheet for detailed technical specifications and features
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