AP3781S-13

$0.73

Description：IC OFFLINE SWITCH FLYBACK 8SO
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:bb1b5e0da9a7 Category: AC DC Converters, Offline Switchers Brand: Diodes Incorporated

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Product introduction

Product Detailed Parameters

Description：IC OFFLINE SWITCH FLYBACK 8SO
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR),Cut Tape (CT)
Output Isolation：Non-Isolated
Internal Switch(s)：No
Voltage - Breakdown：-
Topology：Flyback
Voltage - Start Up：16 V
Voltage - Supply (Vcc/Vdd)：10V ~ 30V
Duty Cycle：-
Frequency - Switching：-
Fault Protection：Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit
Control Features：-
Operating Temperature：-40°C ~ 85°C (TA)
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SO
Mounting Type：Surface Mount
Grade：-
Qualification：-
Power (Watts)：-

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AP3781S-13

Overview

The AP3781S-13 is an offline switcher designed for flyback converter topologies, manufactured by Diodes Incorporated. It operates within a supply voltage range of 6.8V to 35V and features a fixed switching frequency of 60kHz. The device integrates fault protection mechanisms including overtemperature, overvoltage, and short-circuit safeguards. It is housed in a surface-mount SOT-26 package and supports an operating temperature range from -40°C to +150°C junction temperature.

Feature Summary

Integrated flyback controller with internal fault protection
Fixed 60kHz switching frequency for simplified design
Wide operating voltage range supporting various input conditions

Applications

Offline power supplies
Flyback converter designs
General AC/DC conversion systems

Procurement Notes

Verify the specific suffix and package type against the latest manufacturer datasheet to ensure compatibility with your design requirements. Confirm availability status as component lifecycles may change. Cross-reference pinouts and thermal characteristics with official documentation before finalizing procurement decisions.

Selection Notes

Select this component for applications requiring a cost-effective offline switch solution with integrated protection features. Ensure the design accommodates the SOT-26 package constraints and verify that the 60kHz frequency aligns with electromagnetic interference requirements. Check thermal management needs given the wide operating temperature range.

Part Context

This part belongs to the AP3783 family of offline switches, offering similar functionality but potentially differing in packaging or specific electrical characteristics. It serves as a replacement or alternative in designs previously utilizing discontinued variants like the AP3783BK6TR-G1.

Replacement Considerations

Diodes Incorporated recommends the AP3781S-13 as a direct replacement for the discontinued AP3783BK6TR-G1. Verify pinout compatibility and thermal performance when transitioning between these parts.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.