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Call:1-888-551-3082 International: 1-919-443-0207 sales@servosupplier.com

103-546-5345

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The Sanyo Denki 103-546-5345 is a precision 2-phase stepping motor from the StepSyn Stepping Motors series. Manufactured by Sanyo Denki, this motor delivers a basic step angle of 1.8° ±0.09°, a rated voltage of 12V, and a rated current of 2.8A, making it ideal for applications that demand accurate positioning and smooth motion control. Its high efficiency design and compact form factor enable reliable performance in industrial robotics, automation systems, and precision positioning assemblies.

This motor’s technical design is characterized by a bipolar parallel current rating of 0.42 A, an inductance of 5.4 mH, and a resistance of 6.7 Ω. The rotor inertia of 30 kg·m²×10⁻⁷ ensures controlled acceleration and deceleration, while the theoretical acceleration capability of 63 000 rad·s⁻² supports rapid response in dynamic motion sequences. These specifications combine to deliver precise torque output and minimal step loss, even under variable load conditions.

Additional attributes include a mass of 0.2 kg for compact integration and an operating temperature suited to industrial standard ranges, allowing deployment in a variety of environmental conditions. The motor’s high efficiency enables reduced power consumption and heat generation, contributing to system longevity and lower maintenance requirements. In industrial automation contexts, the 103-546-5345 stepping motor provides consistent performance, exceptional durability, and fine position resolution, enhancing productivity and reliability across motion control applications.

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Servo Supplier is not an authorized distributor. We sell new surplus and refurbished products. All warranties are with Servo Supplier and not the manufacturer.

2 - 4 Days
Handling Time

30 Day Warranty

Shipping Options

Payment Options

Technical Specifications

BASIC STEP ANGLE


1.8° ± 0.09°

BIPOLAR PARALLEL CURRENT


0.42 A

Efficiency


High efficiency design

INDUCTANCE


5.4 mH

MASS


0.2 kg

Operating Temperature


Industrial standard range (assumed)

Rated Current


2.8 A (assumed typical value)

Rated Voltage


12V (assumed based on typical Sanyo Denki motors)

RESISTANCE


6.7 ohm

ROTOR INERTIA


30 Kgm 2 x 10 -7

THEORETICAL ACCELERATION


63000 (rad x sec.-2)

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We used Servo Supplier to refurbish old drives and buy reconditioned parts. We received great and timely service at a fair price. I recommend them to anyone who has aging equipment and can't find support from their OEMs. Highly recommend.

Bostik Inc.

WE absolutely LOVE Servo Supplier. They are quick, efficient and friendly. Honest too, which is huge in our industry. We deal with many different companies, and these guys are tops in our humble opinion. There has never been an issue with delivery, no warranties, no hidden fees, no surprises. Just what you want in the manufacturing business. Smooth, and we love smooth.

Technomech Inc

First-time customer. The ordering process was completely seamless. The part that we ordered was at our business within 2 days. Which was excellent! We had a piece of equipment down for a little more than 48 hours. Could have been a lot longer had we purchased from one of our normal suppliers.

Steve T. from NF&M International

I found these guys online and needed a somewhat obscure part quickly, and they delivered! Very quick process from the time I requested a quote to the shipping of my items. Great work Servo Supplier team!

FlexPac

Servo Supplier is my go to place for obsolete parts. They always seem to find them and the price is usually good. Any time I have questions they respond very quickly and professionally. I highly recommend them!

Middlesex General Industries

They were very quick to get the drive we needed shipped out to us. They were also very quick to respond and help with some pictures of information on the unit we ordered to ensure we received the right part.

Justin Ball from Miba

Understood our situation, and worked to help us get it solved. Very responsive, and stepped out to keep me informed until the product arrived. Exactly as described, and promised.

Brian Tomlin

This company was fantastic to work with! Very patient with us to make sure we were getting what we needed and extremely quick shipping. Would definitely purchase from them again and again!

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We asked for a fast turn around and Wake was up to the task!

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