Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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1812B102K202CT是华新科(Walsin)推出的高压片式陶瓷电容,核心参数清晰对应工业级应用需求:
X7R介质为铁电陶瓷材料,相比Y5V等高介电常数介质,容量随温度变化更平缓——在-55℃至+125℃范围内,容值漂移≤±15%,可避免中高温环境下电路性能波动(如滤波效果下降、耦合信号失真)。
额定电压2kV DC是该产品的核心优势:针对低压电容无法覆盖的高压场景设计,采用高密度叠层工艺优化介质厚度,有效抑制高压下的介质击穿风险;同时漏电流控制在μA级以下(典型值≤1μA@2kV DC),满足高压电路的低损耗要求。
1812封装兼顾“容量密度”与“PCB布局灵活性”:
X7R介质的损耗角正切值(tanδ)典型值≤1%@1kHz,相比NPO介质损耗略高,但容量密度提升3~5倍;相比Y5V损耗降低60%以上,适合对损耗有一定要求的高压滤波、耦合电路。
该产品因高压耐受与温度稳定性,主要覆盖以下领域:
华新科作为全球前十大被动元件厂商,1812B102K202CT具备以下可靠性优势:
该产品凭借“高压耐受+温度稳定+高可靠性”,成为工业、医疗、新能源等领域高压电路的优选被动元件。
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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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