Introduction: A 26mm label identifies one measurement clue, but understanding a Panasonic feeder requires dimensions, interfaces, mounting details, and feed parameters together.
A short specification can look more complete than it really is. Someone comparing SMT spare parts may see “26mm Panasonic feeder” and immediately connect that number with tape width, machine fit, or feeding performance. That shortcut can lead to the wrong part or an incomplete technical question. The MTKA010362AC Panasonic Feeder listing connects the product with Panasonic AI/SMT equipment, names Panasonic AI Machine AV132 as an equipment lead, and includes a 26mm specification clue. The useful next step is to understand what that number tells a reader and what other information gives it practical meaning.
A millimeter is a unit of length in the metric system. NIST describes the metric SI system as a consistent way to express measurements, and millimeters are commonly used when a part has to fit within a defined mechanical space. One millimeter equals one thousandth of a meter. In industrial documentation, a value such as 26mm can describe a length, width, height, spacing, diameter, or another measured distance. The unit tells the reader how large a dimension is; the specification label tells the reader which physical feature that measurement belongs to. That distinction matters when reading a feeder listing. A number without a named dimension is only a measurement clue. It gives a scale reference, but it leaves the measured feature open. For the MTKA010362AC Panasonic Feeder, the exact dimension represented by 26mm remains to be confirmed. It should therefore be kept separate from terms such as tape width, installation width, feed pitch, or connector size. Those terms describe different features and cannot be substituted for one another simply because each may be expressed in millimeters. A practical way to read the number is to imagine how an equipment engineer studies a label or product photograph. The engineer first records the value exactly as written, then looks for the drawing, dimension name, reference edge, and measurement direction. A width normally runs from one side of a feature to the other. A length follows the main body. A mounting dimension may describe hole centers or a locating surface. A feed pitch describes a repeated distance in the material path. Without that reference, “26mm” remains useful as a starting point, not a complete description of the part. The same principle applies across industrial equipment. A motor may have a 40mm frame, a 40mm shaft, or a 40mm mounting pattern, and those values would lead to very different installation questions. A feeder can also have several important dimensions that happen to use the same unit. Clear specification writing links each number to a named feature, a drawing, or a standard reference so that another person can reproduce the measurement.
A Panasonic tape feeder is a physical component used in an automated SMT or AI equipment environment. Its overall body must occupy space, its working path must align with the component supply material, and its connection points must relate to the host machine. These jobs involve different surfaces and relationships. One external dimension can describe part of the housing while saying little about the opening, guide path, mounting face, electrical connection, or operating position. This is why a single 26mm figure cannot stand in for a complete feeder specification. A full description would normally separate the outer envelope from functional dimensions. The outer envelope helps determine whether the feeder occupies the available space. The functional dimensions help explain where material enters, where components are presented, and how the feeder sits relative to the machine’s pickup area. The mounting dimensions explain how the part is located and retained. The interface information explains how signals, power, air, or mechanical action may connect, where applicable. The distinction becomes especially important when several related model numbers appear together. MTKA010362AC, MTKA010362AA, and MTKA010361AA are listed as related Panasonic feeder models, but their structural differences and interchangeability are not established by the shared naming or by the 26mm clue. A specification learner should keep model identity, physical measurement, and equipment relationship as three separate questions. Similar names may suggest that the parts belong to the same product family, while the actual installation relationship depends on the detailed drawings and equipment requirements. IPC-7351 offers a useful general lesson from the electronics assembly field. Component packages and land patterns are related through defined dimensions and placement relationships, rather than through one isolated measurement. The same reasoning helps with feeder specifications. A part interacts with its surroundings through several controlled relationships. The important question is not simply “How wide is it? ” but “Which surfaces, centers, openings, and reference points must line up for the intended assembly? ”
Physical dimensions answer a space question. They help a reader compare the feeder body with a slot, clearance area, guide, cover, or neighboring component. They can also reveal whether a part may interfere with movement or access during installation. This is valuable information, especially when a maintenance engineer is comparing a replacement part with the feeder already installed on a line. Compatibility involves more than available space. The part may need a particular locating surface, retention method, alignment point, or working height. A feeder that occupies a similar volume may still have a different relationship with the machine. For that reason, the 26mm clue belongs in the physical-dimension discussion until its reference feature is named. It should not be used alone to describe an AV132 feeder fit or to predict feeding accuracy.
Interfaces describe how one part communicates or connects with another. In a feeder specification, that may include a connector, contact arrangement, pneumatic connection, mechanical drive point, sensor relationship, or other defined connection feature. This is not a minor documentation issue: an interface determines how the feeder participates in the equipment, while a housing measurement only describes its physical size. Mounting features add another layer. A drawing may need to show hole locations, rails, slots, locating pins, locking points, insertion direction, and the distance from the mounting face to the working path. These details explain how a feeder is positioned and held in place. When someone is reading an equipment label, the most useful record combines the exact feeder model with photographs of the mounting area and the machine model. That record gives later specification discussions a shared physical reference.
A feeder specification becomes meaningful when its measurements are connected to the job the part performs. Physical dimensions describe the available space. Mounting dimensions describe the relationship between the feeder and the machine. Interfaces describe connection and communication. Feed parameters describe the material and presentation requirements. Each category answers a different question, and the categories work together rather than competing with one another. For example, a stated body width might help explain the space occupied by a feeder. A separate tape-width specification would describe the material format the feeder is intended to handle. A feed-pitch value would describe the distance between successive component positions in that material. An interface drawing would show how the feeder connects to the equipment. None of these values can safely replace another. Treating body width as tape width, or tape width as feed pitch, changes the meaning of the specification and can send a selection discussion in the wrong direction. This layered view also helps separate the feeder from the packaging itself. The carrier tape, cover tape, and reel describe how components are held and presented as a material package. The feeder is the equipment-side component that works with that supply format. Understanding that boundary keeps packaging terms from being mistaken for feeder dimensions. It also prevents a reader from treating a reel or tape measurement as proof of the feeder’s mounting or interface design. In a real production setting, an engineer may begin with only a model number and one visible measurement. The efficient interpretation is to expand that clue into connected questions: Which feature is 26mm? What are the overall length and height? Which dimensions control the machine connection? What material width and feed pitch are required? What connector or mounting arrangement is present? These questions create a usable specification record without inventing values that have not been stated. For the MTKA010362AC Panasonic Feeder, the product information supports its identification as a Panasonic AI/SMT tape feeder and gives Panasonic AI Machine AV132 as an equipment lead. It also presents 26mm as a specification clue. A reader can use those facts to organize further research, while complete dimensions, interfaces, electrical parameters, mounting dimensions, tape width, and feed pitch should be obtained from the applicable technical documentation or direct confirmation. The result is a clearer way to compare industrial parts. Instead of asking whether two feeders “look about the same size,” the reader can ask whether their reference dimensions, mounting relationships, interfaces, and feed parameters describe the same installation. That approach is useful for replacement discussions, spare-part records, and equipment documentation because it connects the number to the feature and the feature to the machine.
A 26mm label on a Panasonic feeder is a useful starting point, but it represents only one part of the specification picture. The value must be linked to a named feature before it can be interpreted correctly. Physical envelope dimensions, mounting relationships, interfaces, tape-related parameters, and feed pitch each describe different parts of the feeder’s role. For MTKA010362AC, the clearest next step is to record the exact model and AV132 equipment lead, then request the missing dimension references and connection details. That method gives readers a sound basis for understanding a Panasonic feeder replacement without turning one number into an unsupported compatibility or performance conclusion.
A：It is a metric length clue associated with the MTKA010362AC Panasonic Feeder. It should not automatically be called the tape width, mounting width, feed pitch, or interface size.
A：No. A single dimension helps describe one physical feature, while equipment compatibility also depends on the feeder model, mounting relationship, interfaces, working position, and relevant feed parameters. The listing identifies Panasonic AI Machine AV132 as an equipment lead, but the complete matching relationship requires the applicable technical details.
A：Important dimensions may include overall length and height, the location of mounting holes or locating features, insertion depth, working height, guide or opening dimensions, and the distance between the mounting reference and the feed path. Tape width and feed pitch are separate feed parameters, while connector and interface details explain how the feeder relates to the equipment.
IPC-7351: Generic Requirements for Surface Mount Design and Land Pattern Standard
