Description
TMEIC ARND-3116 2N3A3116-A Gate Driver Connection PCB
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Toshiba / TMEIC |
| Model | ARND-3116 |
| Part Number | 2N3A3116-A |
| Hardware Type | PCB Assembly |
| Board Function | Gate Driver Connection |
| Application | Industrial power conversion / drive equipment |
| System Role | Gate-drive signal/interface circuitry |
| Installation | Internal equipment assembly |
| Communication Protocol | Not confirmed |
| Supply Voltage | Not confirmed |
| Gate-Drive Rating | Not confirmed |
| I/O Configuration | Not confirmed |
| Operating Temperature | Verify against equipment documentation |
| Dimensions | Verify from original assembly |
| Weight | Approx. 1 lb reported by one industrial parts database |
| Replacement Requirement | Match exact part number, revision, connectors, and parent assembly |
The strongest available identification describes 2N3A3116-A as a “PC BOARD ASSEMBLY, GATE DRIVER CONNECTION.” Other published specifications claiming PLC I/O counts, 220 VAC operation, 380–480 VAC input, RS-232/RS-485, or solid-state relay functionality are inconsistent with that identification and should not be used as engineering specifications without an OEM document.
Product Introduction
The TMEIC 2N3A3116-A is a legacy power-electronics printed circuit board assembly identified for gate-driver connection within Toshiba/TMEIC industrial equipment. Its function is therefore better understood at the drive or power-converter assembly level rather than as a conventional PLC CPU, I/O module, or general-purpose industrial controller. The board participates in the interface between control electronics and the associated power-switching circuitry.
The should be replaced according to the complete equipment configuration. The part number 2N3A3116-A is the critical procurement identifier, while board revision, connector arrangement, mating gate-driver circuitry, and parent equipment model should also be checked. Publicly available records provide little dependable electrical data for this specific board, so voltage, current, switching frequency, and connector pin assignments should not be assumed from reseller descriptions.
ARND-3116
Application Scenarios & Field Pitfalls — Engineer’s Perspective
The is most relevant to industrial drive and power-conversion equipment where gate-drive circuitry controls semiconductor switching devices. In this type of architecture, the board can be part of the electrical path between low-level control electronics and the power-switching section. A failure may present as drive faults, missing gate-drive signals, power-stage faults, or abnormal converter operation rather than a conventional PLC I/O diagnostic.
Engineering considerations
- Do not treat 2N3A3116-A as a PLC module. Several commercial pages incorrectly describe it as a programmable controller with digital and analog I/O. The more specific identification is a gate-driver connection PCB assembly.
- Match the exact suffix. and 2N3A3116-A should both be checked against the installed board label.
- Verify the parent drive/converter. A physically similar gate-driver board may have different connector assignments or switching-device interfaces.
- Check PCB revision markings. Hardware revisions can affect mating boards and gate-drive circuitry.
- Do not assume electrical ratings from online listings. Published voltage, current, frequency, and I/O claims vary substantially between sources.
- Inspect the complete gate-drive path. If the board failed because of a power-semiconductor fault, replacing the PCB alone may result in another failure.
- Check insulation and grounding before energization. Gate-drive circuitry is directly associated with power switching, so isolation and wiring checks should precede functional testing.
- Use controlled commissioning. After replacement, verify gate-drive signals, fault feedback, switching behavior, and associated protection circuits before returning the equipment to normal load.
Related Products
- Toshiba 2N3A3116-A — Exact part-number identification for the board assembly.
- TMEIC ARND Series — Associated industrial power-electronics hardware family; exact system compatibility must be established from the equipment documentation.
- Toshiba/TMEIC Gate Driver Assemblies — Closely related circuitry responsible for driving the power semiconductor devices.
- Toshiba IGBT Power Modules — Power-switching components that may interface with gate-driver circuitry; the exact device must be identified from the parent equipment.
- TMEIC Drive Control Boards — Higher-level control electronics that generate or manage gate-drive commands.
- TMEIC Power Converter Assemblies — Parent equipment context in which gate-driver connection boards are installed.
Procurement Note
For , I would request the original board label, PCB revision, and parent equipment model before confirming interchangeability. The current evidence supports identifying it as a gate-driver connection PCB assembly, but does not support the detailed PLC-style specifications published by several reseller pages.
