K78U12-500L Single Output DC-DC Converter 12V 1A 90.5% Efficiency Through Hole Mounting

Product Description

Product Features & Specifications
Place of Origin Guangdong China
Description Single output DC-DC power supply module switching regulator
Product Condition Brand new and original module in stock
Category Electronic components / PMIC-Power module
Model Number K78U12-500L / K78UXX-500 Series
Brand Name MORNSUN
Mounting Type Through hole / SIP Package
Type Wide input voltage non-isolated and regulated single output
RoHS Status Lead free / RoHS Compliant (YES)
Application POWER SUPPLY
Moisture Sensitivity Level 3 (168 Hours)

K78UXX-500 Power IC Module DC-DC Converter with High Efficiency Discrete Semiconductor Modules K78U12-500L

Key Performance Features
  • High efficiency up to 95%
  • Maximum input voltage range reaches 8:1
  • Working temperature: -40°C ~ 85°C
  • Pin compatible with LM78XX series
  • Built-in short circuit & overheat protection
  • Low ripple and noise
  • Ultra-small SIP package (UL94-V0)
  • No need for external heat sink
  • International standard pin mode
  • MTBF > 2,000,000 hours
Scope of Application: K78UXX-500(L) series products are high-efficiency switching regulators and are ideal substitutes for LM78XX series three-terminal linear regulators. It features low loss, low heat generation, and wide input range.
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Our Commitment to Quality
Reliable Quality Brand new parts, 100% original genuine guarantee.
Reasonable Price Cost savings and maximized profits through advantage channels.
Fast Delivery Same day delivery for in-stock items after confirmation.
One-Stop Service Supply BOM list and get all components including ICs, Relays, and PCBs.
Quality Assurance & Services

"Zero Defect" Policy: All parts undergo product quality and reliability testing to ensure 100% original genuine status.

365-Day Guarantee: We offer a full quality warranty for one year after the delivery date.

Payment Methods: We accept T/T, West Union, PayPal (under 1000USD), and Trade Assurance (Credit Card, E-check).

Refund Policy: Return goods for replacement or refund if quality problems arise during the warranty period.

Application Range
Frequently Asked Questions (FAQ)
Q1: What is the maximum efficiency of the K78U12-500L power module? A: The K78U12-500L switching regulator features high efficiency reaching up to 95%.
Q2: Can this module replace the LM78XX linear regulator series? A: Yes, it is pin-compatible with the LM78XX series and serves as an ideal high-efficiency substitute without the need for an external heat sink.
Q3: What is the operating temperature range for these modules? A: The industrial-grade working temperature range is -40°C to +85°C.
Q4: Does the K78UXX series include circuit protection? A: Yes, the series is designed with integrated short-circuit protection and overheat protection.
Q5: Are the components provided brand new? A: Absolutely. All parts are 100% brand new, original, and come in their original packaging.
Q6: What is the MTBF for these power IC modules? A: The Mean Time Between Failures (MTBF) is greater than 2,000,000 hours, ensuring long-term reliability.

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