Home • Products • Integrated Circuits (ICs) • Power Management (PMIC) • AC DC Converters, Offline Switches • FT838D1-BL-RT
FT838D1-BL-RT
Purchase Protection

We source brand-new parts via original manufacturers, franchised distributors or verified independent channels, with incoming inspection. Channel type is confirmed on your quote.

Contact sales or email [email protected] with MPN and quantity. We reply with stock, ETA and reference pricing — confirm before PO.

Reference price and stock shown as of 2026-09-20. Confirm live availability and unit price via RFQ before placing a PO.

FT838D1-BL-RT

IC OFFLINE SW FLYBACK SOT23-5
Fremont Micro Devices · AC DC Converters, Offline Switches · BOM Matching
Mfr. Part Number
FT838D1-BL-RT
Manufacturer
Fremont Micro Devices
Package / Case
SC-74A, SOT-753
Datasheet
Datasheet
Description
IC OFFLINE SW FLYBACK SOT23-5
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
sample
Free Sample
FT838D1-BL-RT
Fremont Micro Devices
Request a free sample for evaluation. We will contact you shortly.
* Mandatory Fields
*Quantity:
*Contact Name
Contact Name is required
Company Name
*Email
Email is required
Phone
*Country
Country is required
Your Question
Cancel
SUBMIT
In Stock2,469
Unit
Price
$0.39
Buy Now
Buy at reference price · Secure checkout
Get Quote
No payment required · Reply within 24h
Reference Price
QuantityPrice
1$ 0.3900
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-09-20 · Valid as reference until 2026-09-27 · Request RFQ for live stock.
Need a better price?
Open Quick RFQ for this part

Specification Summary

Package / Case
SC-74A, SOT-753
Supplier Device Package
SOT-23-5
Voltage - Start Up
17.6 V
Voltage - Supply (Vcc/Vdd)
6.6V ~ 30V
Operating Temperature
-40°C ~ 125°C (TA)
Mounting Type
Surface Mount
Fault Protection
Current Limiting, Open Circuit, Over Temperature, Over Voltage
Internal Switch(s)
No
Full specifications are listed below. Need alternates or BOM matching? Read BOM guide · Request a quote
Stock status: Sourcing — Lead time quoted on request (often 3–15 business days by channel)
Shortage / allocation / EOL lines may need longer — ask via RFQ.
Reference price and stock shown as of 2026-09-20. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Output Isolation
Isolated
Voltage - Breakdown
-
Voltage - Start Up
17.6 V
Duty Cycle
-
Power (Watts)
18 W
Control Features
-
Fault Protection
Current Limiting, Open Circuit, Over Temperature, Over Voltage
Frequency - Switching
-
Internal Switch(s)
No
Topology
Flyback
Voltage - Supply (Vcc/Vdd)
6.6V ~ 30V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TA)
Package / Case
SC-74A, SOT-753
Supplier Device Package
SOT-23-5
IC OFFLINE SW FLYBACK SOT23-5
Brand Introduction

Fremont Micro Devices is a semiconductor supplier and integrated circuit design house. It has quickly become a leader in non-volatile memory products and high efficiency power management solutions. FMD was founded in Fremont, California in 2003 and has offices in the United States, Europe and Asia. The key members of the management team have extensive product development, design, finance and sales experience with leading Silicon Valley semiconductor companies.

Evaluation ( 0 )
Write Your Review
Email is required
SUBMIT
Content is required

Related Parts

Same category / brand alternatives buyers often compare.
FT838NB1-RT
FT838NB1-RT
Fremont Micro Devices
IC OFFLINE SWITCH FLYBACK 8SOP
 FT838D2-BL-RT
FT838D2-BL-RT
Fremont Micro Devices
IC OFFLINE SW FLYBACK SOT23-5
 FT839ND1-RT
FT839ND1-RT
Fremont Micro Devices
IC OFFLINE SWITCH FLYBACK 8SOP
 FT839NB1-RT
FT839NB1-RT
Fremont Micro Devices
IC OFFLINE SWITCH FLYBACK 8SOP
 FT832DB-RT
FT832DB-RT
Fremont Micro Devices
IC OFFLINE SWITCH FLYBACK 8SOP
 FT838NB2-RT
FT838NB2-RT
Fremont Micro Devices
IC OFFLINE SWITCH FLYBACK 8SOP
 FT838RNA-RT
FT838RNA-RT
Fremont Micro Devices
IC OFFLINE SWITCH FLYBACK 8SOIC
 FT838R-BL-RT
FT838R-BL-RT
Fremont Micro Devices
IC OFFLINE SW FLYBACK SOT23-5

Buying FAQ — FT838D1-BL-RT

Answer-first notes for stock, authenticity, lead time and quoting. Marked up as FAQPage.

How do I buy FT838D1-BL-RT from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes FT838D1-BL-RT. We reply with stock, channel note, reference price and ETA.

Is the listed price final?

Prices on the product page are reference only. Confirm unit price, currency and validity via RFQ before placing a PO.

How fresh is the stock figure?

Stock and reference price show an as-of date on the page. Ask for a live confirm — allocation lines can change daily.

How do you source authentic parts?

We source from manufacturers, franchised distributors and verified independents, then inspect incoming lots. See /anti-counterfeit/.

What is a typical lead time?

In-stock lines often ship within 24–48 hours after confirmation. Sourcing / allocation ETAs are quoted per line — see /lead-time-shipping/.
BOM matching · Anti-counterfeit · Lead time & shipping

Explore by Brand, Category & Application

Fremont Micro Devices catalog AC DC Converters, Offline Switches Industrial Control Automotive Electronics Communications BOM Matching Authenticity Check Lead Time & Shipping Procurement FAQ