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Product Overview
The TL431CPK from Texas Instruments is a precision programmable shunt voltage reference with a typical output voltage of 2.495V. Housed in a compact SOT-89-3 package, it offers excellent temperature stability and low output noise, making it ideal for voltage regulation and monitoring in various electronic systems.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage (Vref) |
2.495V (typical) |
| Initial Accuracy |
±1% (at 25°C) |
| Temperature Coefficient |
30 ppm/°C (typical) |
| Operating Cathode Current (Ik) |
1 mA to 100 mA |
| Dynamic Impedance |
0.2 Ω (typical) |
| Operating Temperature Range |
-40°C to +125°C |
| Package |
SOT-89-3 |
Key Features
- Precision reference voltage: 2.495V ±1%
- Adjustable output voltage via external resistors
- Low dynamic impedance: 0.2 Ω
- Wide operating current range: 1 mA to 100 mA
- Excellent temperature stability: 30 ppm/°C
- Low output noise
- RoHS compliant and lead-free
Target Applications
- Power supply regulation in 5G base stations
- Voltage monitoring in automotive dashboards
- Battery charging circuits for portable devices
- Precision current limiting in LED drivers
- Reference for analog-to-digital converters (ADCs)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TL431CPK. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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BOM Kitting & Sampling Services: Specialized sourcing for
testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
TL431CPK 是德州儀器 (TI) 生產的高精度可編程並聯電壓基準,典型輸出電壓為 2.495V。採用緊湊的 SOT-89-3 封裝,具有出色的溫度穩定性和低輸出噪聲,非常適合各種電子系統中的電壓調節和監控。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 (Vref) |
2.495V (典型值) |
| 初始精度 |
±1% (25°C) |
| 溫度係數 |
30 ppm/°C (典型值) |
| 工作陰極電流 (Ik) |
1 mA 至 100 mA |
| 動態阻抗 |
0.2 Ω (典型值) |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
SOT-89-3 |
核心特性
- 精密基準電壓:2.495V ±1%
- 通過外部電阻可調輸出電壓
- 低動態阻抗:0.2 Ω
- 寬工作電流範圍:1 mA 至 100 mA
- 出色的溫度穩定性:30 ppm/°C
- 低輸出噪聲
- 符合 RoHS 標準且無鉛
典型應用場景
- 5G 基站中的電源調節
- 汽車儀表盤中的電壓監控
- 便攜設備的電池充電電路
- LED 驅動器中的精密限流
- 模數轉換器 (ADC) 的基準
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TL431CPK 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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全天候環球客戶支援:專業團隊為您提供即時報價及技術支援,無需漫長等待。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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