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TLP351(TP1,F) Toshiba Semiconductor and Storage Isolators - Gate Drivers image
  • TLP351(TP1,F) Toshiba Semiconductor and Storage Isolators - Gate Drivers image
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Toshiba Semiconductor and Storage TLP351(TP1,F)

Manufacturer
Toshiba Semiconductor and Storage
Mfr. Part #
TLP351(TP1,F)
WLX Part #
A22507364227
Package
8-SMD, Gull Wing
Datasheet
TLP351(TP1,F) Datasheet (PDF)
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TLP351(TP1,F) Parameter Description

TLP351(TP1,F is an industrial-grade GaAlAs infrared light-emitting diode (LED) optically coupled to an integrated high-speed, high-gain photodetector IC, manufactured by Toshiba. Housed in a compact, low-profile 8-pin SOP package (SOP8), this premium photocoupler is specifically engineered for direct driving gates of low-power IGBTs and power MOSFETs. Offering a peak output current of up to 0.6A and a robust isolation voltage profile, the TLP351 ensures fast propagation delay speeds and superior common-mode transient immunity (CMTI), making it a cornerstone component for modern power electronics inversion and switching circuits.


Technical Highlights & Key Specifications


* High-Efficiency Gate Driving: Delivers a maximum peak output current ($I_{OPH} / I_{OPL}$) of $\pm0.6A$, satisfying the instantaneous current entry requirements of mid-to-low power switching matrices.

* Low Supply Current Profile: Operates with a remarkably low supply current ($I_{CC}$) of just 2.0mA (max), dramatically minimizing parasitic power consumption across multi-channel driver arrays.

* Superior Isolation Performance: Guarantees a minimum isolation voltage ($BV_s$) of 2500 Vrms, creating a secure galvanic isolation barrier between fragile logic controller units and high-voltage power lines.

* High-Speed Execution: Features a maximum propagation delay time ($t_{pLH} / t_{pHL}$) of 500ns, allowing precise pulse-width modulation (PWM) feedback cycles.


Typical Applications


* Industrial Inverters & UPS Systems: Providing isolated high-speed gate drive signals within uninterruptible power supplies and three-phase motor controllers.

* Air Conditioner Inverter Drives: Ensuring stable and highly linear switching controls inside domestic and commercial HVAC compressor drives.

* Induction Heating & Power Supplies: Acting as the primary isolated electrical shield in high-frequency switching-mode power supplies (SMPS).


Cross-Reference & Sourcing Alternatives


Part Number
Manufacturer
Match Type
Sourcing Note & Architectural Differences
TLP351H
ToshibaUpgraded AltHigh-temperature variant supporting a wider operating range (up to 125°C, compared to TLP351's 100°C limit). Direct pin-to-pin replacement.
FOD3150
ON SemiFunctional AltA 1.0A output gate drive optocoupler in an 8-pin DIP or SMD package. Offers higher current overhead but requires verification of footprints if replacing the SOP8 layout.
ACPL-P314
BroadcomFunctional AltA 0.6A gate drive photocoupler housed in a stretched SO6 package. Shares identical current specifications but differs significantly in mechanical footprint.

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3. Payment
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Shipping & Delivering

1. Shipping & Delivering
After receiving your payment, we will ship the goods for you within the delivery period and send the shipping number by email

2. Shipping cost already shown on the quote, please check your email.

3.We will evaluate the shipping cost according to the price of the product you purchased and the shipping address. If you need to specify the shipping method, you can notify us by email.

4. We support DHL, FedEx, UPS, SF to ship your goods by default



5.Regarding in stock parts, orders can generally be ready to ship within 4 hours.
We ship daily at 5pm.（UTC/GMT+8）
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose:
FedEx International, 5-7 business days.
DHL Express, 5-7 business days.

The following are some common countries' logistic time.



Note: 

The above table is for reference only, there may will have some delay for the uncontrollable factors.




Refund & Return
Refund
Refunds are normally accepted within 30 days from the date of the parcel delivered. Please contact our support team for any issues immediately once you receive your parcels includes but is not limited to below reasons:
Not received the parcel normally
Yes, we guarantee a refund or to resend your order if you haven't received the parcel beyond the regular shipping days, except the case which customer takes the responsibility for the unsuccessful delivery such as providing an incorrect shipping address, can not complete the customs clearance due to customer's reason, etc. Note: If the following issues occurs: extreme weather, post office delay, customs clearance, local protest, etc. In this case, we are incapable of guaranteeing on-time delivery, but we'll try our best to support you,thanks.
Some items missing from my shipment
First, check that you've received all the boxes associated with your order. Then fully empty each box you received, sometimes small parts get caught in crevices or in packing material. If you still can't find your item, please email customer service right away. Include a description of the missing quantities and pictures of the whole parcel. We'll forward them to our warehouse to check the monitor records and the packing pictures records. Steps:
1. Send email to support team for authorization.
2. We'll check and verify the issues.
3. Offer solutions to customer case by case.
Return
By returning products to WELL LINK CHIPS, the Customer certifies that the products were purchased from WELL LINK CHIPS and there has been no substitution in whole or part of the same product from another supplier, distributor or other such sources of the product. The return should be in the original packaging and in unused condition (except defective). ESD or moisture-sensitive products should not be opened except under controlled conditions. General Rules: Returns are normally accepted within 365 days from the date of the parcel delivered. When a customer requests a return due to 'non-original/fake/quality problems', a valid quality report from a third-party authoritative organization recognized by our company is required for the return and exchange. Any charges from customs and other fees should be paid by customers if the return reason is customers' reason, such as buy parts mistakenly,etc. Return Freight charges must be prepaid; we will not accept COD shipments.
  • *
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Welllink Chips’ quality control process is carried out in strict accordance with the ISO9001 international quality management system, and quality risks are controlled and reduced through strict supplier control measures + quality testing and other measures.
Supplier level control (Qualified suppliers, provisional suppliers and blacklisted suppliers)
Graded
management
Regular
assessment
Dynamic
management
  • Qualified suppliers
  • Original manufacturers, authorised agents, suppliers without quality incidents.
  • Provisional suppliers
  • Upgrade only if suppliers have passed the profile audit and have worked together 3 times or more without quality incidents.
  • Blacklisted suppliers
  • There is the sale of counterfeit and refurbished parts and the defaulting supplier will be permanently blacklisted.
Quality testing (QC process according to international standards to guarantee product quality)
Testing process:
Primary testing
Labels and outer packaging
Secondary testing
Appearance and electrical properties
Tertiary testing
Slicing, open cap, solderability, ambient temperature, ageing, X-RAY, ultrasound

  • External Visual Inspection

  • Electrical performance testing

  • Key functional testing

  • Key functional testing

  • Slice testing

  • X-RAY Inspection

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