Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
0.0 / 5.0
- (0 Ratings)
CDLL5919C
Electronics Part Number
CDLL5919C-WXManufacturer
Texas Instruments
CDLL5919C
Description
Zener diode 5.6V, 1.25W, DO-213ABInventory
668 Pcs New Original In Stock
Zener diode, DO-213AB surface mount, 5.6V, 1.25W, ±2%. Low impedance, accurate regulation; for voltage reference/protection.
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
RFQ (Request for Quotations)
Submit your RFQ directly on the product detail page or the RFQ page.
Our sales team will respond within 24 hours.
Payment method
PayPal (recommended for new customers)
Credit Cards
Wire Transfer (T/T) – Available in USD, EUR, HKD, and other currencies.
Important Notice
You'll receive a confirmation email after submitting an RFQ.
Didn't get it? Check your spam folder and whitelist Info@WINSURE-Electronics.com
Prices and stock may change; we'll reconfirm your order.
Questions? Contact us anytime.
Freight
Basic cost: USD 70.00
Actual cost may vary depending on weight and destination
Shipping method
Shipped from Hong Kong via FedEx/DHL/UPS/TNT
Delivery Time
In-stock items: Ready to ship in 1-2 days
Transit time: 3-5 business days (FedEx/DHL/UPS)
Special requests? Contact us: Info@WINSURE-Electronics.com
Quantity
Minimum 1
Minimum 1
(*) (*) is mandatory
We'll get back to you within 24 hours
Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - DC DC Switching Regulators
Manufacturer
Texas Instruments
Packaging
Tube
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Through Hole
Package / Case
TO-220-5 Formed Leads
Series
-
Base Product Number
TL2575
Product Status
Active
Output Type
Fixed
Number of Outputs
1
Voltage - Input (Min)
4.75V
Voltage - Input (Max)
60V
Topology
Buck
Function
Step-Down
Supplier Device Package
TO-220-5
Voltage - Output (Max)
-
Current - Output
1A
Output Configuration
Positive
Frequency - Switching
52kHz
Voltage - Output (Min/Fixed)
12V
Synchronous Rectifier
No
Data Sheet Document (D)
Datasheets
Download TL2575HV-12IKV Product Specification (PDF)
HTML Datasheet
TL2575HV-12IKV-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
Not Applicable
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
-296-21500-5-DG -TL2575HV-12IKV-NDR 296-21500-5-DG 2156-TL2575HV-12IKV 296-TL2575HV-12IKV -296-21500-5 TEXTISTL2575HV-12IKV 296-21500-5
Standard Package
50
Reviews
0.0/5.0-(Show up to 5 Ratings)
No reviews yet
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
Can the TL2575HV-12IKV be safely used in a 48V industrial input application without risking thermal
Yes, the TL2575HV-12IKV is rated for a maximum input voltage of 60V, making it suitable for 48V industrial systems, but thermal management is critical. At 48V input and 1A output (12V), power dissipation can exceed 36W under worst-case conditions, requiring a properly sized heatsink and adequate airflow. Without sufficient thermal design, junction temperatures may exceed the 125°C limit, leading to thermal shutdown or long-term reliability issues. Always validate thermal performance using TI’s Webench tool and consider derating above 85°C ambient.
What are the key risks when replacing a TL2575HV-12IKV with a cheaper buck regulator like the MC3406
Replacing the TL2575HV-12IKV with an MC34063A introduces significant performance and reliability trade-offs. The MC34063A has lower efficiency (typically 60–70% vs. 80–85% for the TL2575HV-12IKV), lower max input voltage (40V vs. 60V), and requires more external components, increasing board space and failure points. Additionally, the MC34063A lacks built-in current limiting and soft-start, raising the risk of inrush current and inductor saturation in high-input-voltage scenarios. For robust 48V-to-12V applications, the TL2575HV-12IKV remains the safer, more integrated choice despite higher cost.
How should I design the input and output filtering for the TL2575HV-12IKV to avoid instability in no
In automotive or high-noise environments, improper filtering can cause oscillation or EMI issues with the TL2575HV-12IKV. Use a low-ESR input capacitor (e.g., 100µF tantalum or ceramic) within 1cm of the VIN pin, and add a 10µF ceramic capacitor in parallel for high-frequency noise suppression. On the output, a 220µF electrolytic capacitor with a 1µF ceramic in parallel ensures stability under dynamic loads. Avoid long traces between the inductor, diode, and IC—poor layout increases ringing and EMI. Always follow TI’s recommended layout guidelines in the datasheet to maintain loop stability.
Is the TL2575HV-12IKV a drop-in replacement for the older LM2575HV-12 in existing through-hole desig
The TL2575HV-12IKV is functionally compatible with the LM2575HV-12 and shares the same TO-220-5 pinout, making it a near drop-in replacement. However, the TL2575HV-12IKV has improved efficiency and slightly different internal compensation, which may require minor adjustments to the feedback network or output capacitor selection in sensitive applications. Verify transient response and stability under full load before finalizing the replacement, especially in designs operating near the 60V input limit or in high-temperature environments.
What reliability concerns should I consider when using the TL2575HV-12IKV in outdoor telecom equipme
While the TL2575HV-12IKV is rated for -40°C to 125°C junction temperature, prolonged exposure to thermal cycling in outdoor telecom applications can stress solder joints and the TO-220 package leads. Ensure the PCB mounting includes a robust heatsink with thermal interface material and mechanical support to prevent fatigue. Also, verify that input transients (e.g., load dumps) do not exceed 60V—consider adding a TVS diode for protection. Long-term reliability is enhanced by operating below 80% of max current (i.e., <0.8A) and maintaining junction temperature under 110°C during continuous operation.
Can the TL2575HV-12IKV be safely used in a 48V industrial input application without risking thermal
Yes, the TL2575HV-12IKV is rated for a maximum input voltage of 60V, making it suitable for 48V industrial systems, but thermal management is critical. At 48V input and 1A output (12V), power dissipation can exceed 36W under worst-case conditions, requiring a properly sized heatsink and adequate airflow. Without sufficient thermal design, junction temperatures may exceed the 125°C limit, leading to thermal shutdown or long-term reliability issues. Always validate thermal performance using TI’s Webench tool and consider derating above 85°C ambient.
What are the key risks when replacing a TL2575HV-12IKV with a cheaper buck regulator like the MC3406
Replacing the TL2575HV-12IKV with an MC34063A introduces significant performance and reliability trade-offs. The MC34063A has lower efficiency (typically 60–70% vs. 80–85% for the TL2575HV-12IKV), lower max input voltage (40V vs. 60V), and requires more external components, increasing board space and failure points. Additionally, the MC34063A lacks built-in current limiting and soft-start, raising the risk of inrush current and inductor saturation in high-input-voltage scenarios. For robust 48V-to-12V applications, the TL2575HV-12IKV remains the safer, more integrated choice despite higher cost.
How should I design the input and output filtering for the TL2575HV-12IKV to avoid instability in no
In automotive or high-noise environments, improper filtering can cause oscillation or EMI issues with the TL2575HV-12IKV. Use a low-ESR input capacitor (e.g., 100µF tantalum or ceramic) within 1cm of the VIN pin, and add a 10µF ceramic capacitor in parallel for high-frequency noise suppression. On the output, a 220µF electrolytic capacitor with a 1µF ceramic in parallel ensures stability under dynamic loads. Avoid long traces between the inductor, diode, and IC—poor layout increases ringing and EMI. Always follow TI’s recommended layout guidelines in the datasheet to maintain loop stability.
Is the TL2575HV-12IKV a drop-in replacement for the older LM2575HV-12 in existing through-hole desig
The TL2575HV-12IKV is functionally compatible with the LM2575HV-12 and shares the same TO-220-5 pinout, making it a near drop-in replacement. However, the TL2575HV-12IKV has improved efficiency and slightly different internal compensation, which may require minor adjustments to the feedback network or output capacitor selection in sensitive applications. Verify transient response and stability under full load before finalizing the replacement, especially in designs operating near the 60V input limit or in high-temperature environments.
What reliability concerns should I consider when using the TL2575HV-12IKV in outdoor telecom equipme
While the TL2575HV-12IKV is rated for -40°C to 125°C junction temperature, prolonged exposure to thermal cycling in outdoor telecom applications can stress solder joints and the TO-220 package leads. Ensure the PCB mounting includes a robust heatsink with thermal interface material and mechanical support to prevent fatigue. Also, verify that input transients (e.g., load dumps) do not exceed 60V—consider adding a TVS diode for protection. Long-term reliability is enhanced by operating below 80% of max current (i.e., <0.8A) and maintaining junction temperature under 110°C during continuous operation.
Quality Assurance (QC)
WINSURE ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
Sep 15 2026
