Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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Technical data
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TCR2EE135,LM(CT) 是东芝(TOSHIBA)推出的一款单通道线性低压差稳压器(LDO),属于 PMIC‑稳压器类别,提供固定正向输出 1.35V。该器件设计用于对电源噪声要求高且功耗敏感的便携和嵌入式系统,封装为小型 SOT‑553,便于占板空间受限的应用。
凭借低静态电流与高 PSRR,该 LDO 非常适合对噪声敏感且需延长电池寿命的设备:
SOT‑553 为小型封装,散热能力受限。在设计时应注意最大压降与功耗:当输入电压接近 5.5V 且输出为 1.35V 时,(Vin–Vout)×Iout 的功耗可能导致器件升温,需通过合理布局、铜箔热沉或降低工作电流来控制结温。器件内置过流保护,但仍建议做好短路与热故障防护设计。
SOT‑553 小封装适合空间受限的产品,但在高功耗工况下应优先评估热性能。实际使用前请参照东芝官方数据手册确认输出电容、启动特性及热阻参数,并按手册推荐的外部元件与 PCB 布局进行设计,以保证器件在额定温度与电流下的稳定可靠运行。
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Product sourcing intelligence
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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