1N4478

Name: 1N4478
Brand: Semtech
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

Zener Diode, 36V V(Z), 5%, 1.5W, Silicon, Unidirectional, DO-41, HERMETIC SEALED, GLASS, SIMILAR TO DO-41, 2 PIN

7,122 Effective Inventory

1N4478

Effective Inventory7,122

Zener Diode, 36V V(Z), 5%, 1.5W, Silicon, Unidirectional, DO-41, HERMETIC SEALED, GLASS, SIMILAR TO DO-41, 2 PIN

Manufacturer Part # : 1N4478
Package/Case: DO-41
Brand: Semtech
Product Categories : Single Zener Diodes
Series : 1N4478

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

About Payment

We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.

If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

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Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

Example

Tape and Reel

Cut Tape

Tube or Tray

1N4478 DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$15.499	$15.50
200	$6.185	$1,237.00
500	$5.977	$2,988.50
1000	$5.876	$5,876.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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Rapid Quote

Please submit RFQ for 1N4478 or email to us: Email: [email protected], we will contact you in 12 hours.

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1N4478 Details

The 1N4478 is a monolithic integrated circuit (IC) designed and manufactured by Bkc Semiconductors Inc. It is a low-voltage, high-efficiency, step-down regulator designed to provide 3A of output current with over-temperature, over-voltage, and over-current protection. It features an adjustable output voltage, fast transient response, and low quiescent current.

The 1N4478 is a voltage regulator IC that is designed to control constant output voltage, monitor input/output voltages and provide protection against over-voltage, over-current, and over-temperature conditions. It is suitable for embedded systems and battery-powered applications, including DC/DC converters for automotive and industrial applications, LED lighting, and portable electronic devices.

1N4478 Key Features

Capable of driving motors in forward, reverse, brake, and high-impedance states.
Current sensing and limiting, over-temperature, and short-circuit protection.
Wide Operating Voltage Range (5.5V to 28V).
PWM control capability for speed and torque regulation.

1N4478 Product Usage

The 1N4478 is a semiconductor component produced by Bkc Semiconductors Inc. It is specifically designed to control high-current DC motors and other inductive loads. Some typical applications and circuits that use the 1N4478 include:

Automotive Applications:

Power Window Control: The H-Bridge can be used to control the direction and speed of car windows.
Seat Adjustment: Controlling motorized seat adjustments for recline, forward/backward movement, and height adjustment.
Door Lock Actuators: Operating the motors that lock and unlock vehicle doors.
Windshield Wipers: Controlling the motor responsible for moving the windshield wipers back and forth.

Industrial and Consumer Electronics:

Robotics: Driving motors in robotic arms, mobile robots, and other automated systems.
Electric Scooters and Bikes: Motor control for propulsion and braking systems.
Home Automation: Systems like motorized curtains, automated doors, or other motor-driven home automation solutions.

General Motor Control:

Motor Control Circuits: The 1N4478 can be used in various motor control circuits for DC motors, stepper motors, and servo motors.
Solar Power Systems: The IC is suitable for solar power systems that require high-efficiency motor control.

1N4478 Quality and Reliability

Bkc Semiconductors Inc.'s commitment to quality ensures that the 1N4478 IC is reliable and performs consistently. It is designed to meet the stringent requirements of industrial and commercial applications, where consistent operation and long service life are critical.

1N4478 Ordering Information

The 1N4478 is available in tape and reel packaging, facilitating efficient assembly for high-volume production. Its product identification, including the temperature range and package type, is clearly specified for ease of ordering.

1N4478 Package and Quality

The 1N4478 is housed in a compact, thermally efficient package, making it suitable for space-constrained designs without compromising on thermal management or performance. Bkc Semiconductors Inc. ensures that each unit undergoes rigorous testing to meet stringent automotive and industrial standards. This emphasis on quality guarantees that the 1N4478 delivers dependable, long-term performance across a wide range of operational environments.

Conclusion

The 1N4478 from Bkc Semiconductors Inc. is an ideal choice for engineers seeking a reliable voltage regulator IC for high-efficiency motor control applications. With its versatile functionality, integrated protection features, and low quiescent current, it is well-suited for applications across automotive, industrial, and consumer electronics sectors. Whether used in automotive systems, robotics, or general motor control, the 1N4478 provides robust performance and flexibility, making it a valuable component for demanding motor control applications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Pbfree Code	No	Rohs Code	No
Part Life Cycle Code	Active	Part Package Code	DO-41
Pin Count !	2	Reach Compliance Code	compliant
ECCN Code	EAR99	HTS Code !	8541.10.00.50
Additional Feature !	HIGH RELIABILITY, METALLURGICALLY BONDED	Case Connection	ISOLATED
Configuration	SINGLE	Diode Element Material	SILICON
Diode Type	ZENER DIODE	Dynamic Impedance-Max	27 Ω
JESD-30 Code	O-LALF-W2	JESD-609 Code	e0
Moisture Sensitivity Level	1	Number of Elements	1
Number of Terminals	2	Operating Temperature-Max	175 °C
Package Body Material	GLASS	Package Shape	ROUND
Package Style	LONG FORM	Polarity	UNIDIRECTIONAL
Power Dissipation-Max	1.5 W	Qualification Status !	Not Qualified
Reference Voltage-Nom	36 V	Surface Mount !	NO
Technology	ZENER	Terminal Finish	TIN LEAD
Terminal Form !	WIRE	Terminal Position	AXIAL
Voltage Tol-Max	5%	Working Test Current	7 mA

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification 1N4478 PDF Download