9e102 Datasheet New!

Based on technical listings, here are the most likely components associated with this identifier:

ROHM Semiconductor BD9E102FJ: This is a synchronous step-down switching regulator (DC/DC converter) with an integrated power MOSFET. Input Range: Output Current: Up to Package: SOP-J8

Key Feature: High efficiency and a simple external circuit design. You can view technical details on sites like Alldatasheet.

Meritek AH09E102M: A Ceramic "Y" Capacitor used for EMI suppression and safety filtering in power supply circuits.

MP1432DN-LF-Z (Compatible): Some distributors list the MP1432 step-down converter as a direct equivalent or related part for 9E102 specifications in SOP-8 packaging.

Industrial Control Marking: In heavy machinery (such as cranes), "9E102" is sometimes found in technical documentation as a specific wire marking or auxiliary circuit designation. Where to Find the Full Datasheet

To ensure you have the correct specifications for your specific part, you can search these reliable databases:

ALLDATASHEET: Good for cross-referencing Meritek and ROHM parts. 9e102 datasheet

Worldway Electronics: Lists 9E102 under Citizen Finedevice as a general IC category.

OMO Electronic: Provides stock status and basic attribute values for ROHM-manufactured 9E102 units. 9E102 Datasheet, PDF - ALLDATASHEET.COM

most commonly refers to the Rohm Semiconductor BD9E102FJ , a synchronous buck switching regulator. Technical Specifications

is a high-efficiency DC/DC converter designed to reduce standby power in consumer electronics. Input Voltage Range: 7.0V to 26V. Output Current: Maximum 1.0 A. Switching Frequency: 570 kHz (Typical). Efficiency: Approximately 80% at a 10mA output. Package Type: Control Mode: Current mode control for high-speed transient response. Integrated Protection:

Includes over-current, short-circuit, thermal shutdown, and undervoltage lockout protection. Other Possible Matches

Depending on the context, "9E102" may also appear in non-semiconductor technical documents: Auxiliary Diagram (Cranes):

In some industrial settings, 9E102 is used as a document reference for crane control wire markings Based on technical listings, here are the most

and power supply diagrams (e.g., 380V and 220V 50Hz sources). Passive Components: Meritek Electronics uses a similar part number, , for ceramic Y capacitors. Resources for Full Datasheets

is a technical specification identifier commonly associated with high-precision integrated circuits, specifically linked to the series of step-down converters. Technical Overview

The 9E102 datasheet pertains to a high-efficiency, step-down (buck) regulator. It is often identified as a marking code or a specific variant for components like the MP1432DN-LF-Z , which is a 2A, 28V, 380kHz step-down converter. Package Type: SOP-8 (Standard 8-pin surface mount). Key Function:

Provides stable signal performance and voltage regulation in complex circuits. Applications:

Industrial control systems, mill equipment diagrams, and general power management. Related Documentation

Full technical summaries and control diagrams referencing the 9E102 can be found on document-sharing platforms: Datasheet Overview: A 5-page overview is available via

, often grouped with industrial manuals like the ACS600 MultiDrive or Endress Prowirl specifications. Control Context: It is frequently cited in the context of CRMI Mill Equipment control diagrams and vibration standard documentation. for the full PDF or more specific pinout details for the 9E102? Look at the first line and second line separately

How to Find the Correct Datasheet

Step 1 – Check the Component's Physical Marking Again

Look at the first line and second line separately.
Look for a manufacturer logo (square, circle, stylized letters).

Step 2 – Search by Full Marking Try these variations in Google or Octopart:

"9E-102" datasheet
"9E 102" marking code
"102 9E" component

Step 3 – Search by Function (if you know the component type)

If it's a transformer/inductor: Search for 9E102 inductor datasheet or Pulse 9E102.
If it's an SMD resistor/capacitor: Measure the value with a multimeter (if possible) or look for similar codes in SMD codebooks.

Step 4 – Use SMD Codebooks

Go to SMD Marking Codes (e.g., from "ElectroDroid" app, or websites like smd.yageo.com or markingcodes.com).
Search for code E102 or 9E (some codes are two-part).

Step 5 – Upload a Clear Photo If you can, take a high-resolution photo of the component (showing the marking and any logo) and post it on:

Electronics Stack Exchange (with component-identification tag)
Reddit (r/AskElectronics)

3. Applications

Computer Peripherals & Motherboards
Networking Equipment (Routers, Switches)
Industrial Control Systems
Programmable Logic Controllers (PLC)
Telecom Hardware
Test & Measurement Equipment

Mechanical Characteristics