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AP3981BS7-13
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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 2026-09-19. Confirm live availability and unit price via RFQ before placing a PO.

AP3981BS7-13

IC OFFLINE SWITCH FLYBACK 7SO
Diodes Incorporated · AC DC Converters, Offline Switches · BOM Matching
Mfr. Part Number
AP3981BS7-13
Manufacturer
Diodes Incorporated
Package / Case
8-SOIC (0.154", 3.90mm Width), 7 Leads
Datasheet
Datasheet
Description
IC OFFLINE SWITCH FLYBACK 7SO
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
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AP3981BS7-13
Diodes Incorporated
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In Stock6,394
Unit
Price
$0.62
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Reference Price
QuantityPrice
1$ 0.6200
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-09-19 · Valid as reference until 2026-09-26 · Request RFQ for live stock.
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Specification Summary

Package / Case
8-SOIC (0.154", 3.90mm Width), 7 Leads
Supplier Device Package
7-SO
Voltage - Breakdown
650V
Voltage - Start Up
16 V
Voltage - Supply (Vcc/Vdd)
10V ~ 28V
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Surface Mount
Fault Protection
Current Limiting, Open Loop, Over Load, Over Temperature, Over Voltage, Short Circuit
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 2026-09-19. 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
650V
Voltage - Start Up
16 V
Duty Cycle
-
Power (Watts)
7.5 W
Control Features
-
Fault Protection
Current Limiting, Open Loop, Over Load, Over Temperature, Over Voltage, Short Circuit
Frequency - Switching
-
Internal Switch(s)
Yes
Topology
Flyback
Voltage - Supply (Vcc/Vdd)
10V ~ 28V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Package / Case
8-SOIC (0.154", 3.90mm Width), 7 Leads
Supplier Device Package
7-SO
IC OFFLINE SWITCH FLYBACK 7SO
Brand Introduction
Diodes Incorporated delivers high-quality semiconductor products to the world’s leading companies in the consumer electronics, computing, communications, industrial, and automotive markets. They leverage their expanded product portfolio of discrete, analog, and mixed-signal products and leading-edge packaging technology to meet customers’ needs. Their broad range of application-specific solutions and solutions-focused sales, coupled with worldwide operations of 25 sites, including engineering, testing, manufacturing, and customer service, enables us to be a premier provider for high-volume, high-growth markets.
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Buying FAQ — AP3981BS7-13

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

How do I buy AP3981BS7-13 from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes AP3981BS7-13. 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

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