Product Short Description
Product Name: Toshiba 2N3A8204-B IS BUS Option Wiring PCB Assembly (alternatively listed as high-speed switching transistor in some reseller catalogs)
Product Introduction: In Toshiba/TMEIC industrial drive contexts, 2N3A8204-B is an internal option wiring / IS BUS interface printed circuit board used in EX08-ECIA5 and related control cabinets. Some third-party listings mislabel it as a discrete transistor; the OEM hardware family treats it as a configuration-specific PCB assembly.
Description
Technical Specifications (PCB assembly interpretation):
- Type: Printed circuit board assembly
- Function: IS BUS signal routing and option wiring
- Associated platform: Toshiba EX08-ECIA5, TMEIC drive controls
- Mounting: internal chassis/controller PCB
- Weight: approx. 0.14 kg
Functional Features:
- Provides bus electrical routing between controller sections
- Supports IS BUS architecture interconnect
- Exact-revision matched replacement
Application Scenarios: Legacy Toshiba/TMEIC variable frequency drive cabinets, industrial motor control systems.
Structural Characteristics: FR4 PCB with board-to-board and wiring connectors, possibly labeled ISBARND-8204A6 / ARND-8204A in cross-reference.
Installation Requirements: De-energize equipment; photograph original connector positions; confirm board revision and connector keying; re-seat all locks.
Usage Notes: Visually similar PCBs are not interchangeable; verify parent controller and firmware; discontinued part—source from verified surplus with revision tag.
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