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MR301 Series
22.5MAX. (0.89)
Document No. ER0046EJAV3SG00 (WWW-MR301)
(c)
1998
s DIMENSIONS mm(inch)
16.5MAX. (0.65)
17MAX. (0.67)
3.5 (0.14)
0.3 (0.01)
12.2 2 2.3 (0.48) (0.08) (0.09) Tolerance 0.2 mm (0.008)
12 2 (0.47) (0.08)
The MR301 series, which has a low profile package and light weight, is suited for various kinds of consumer equipments, industrial machines and automobiles.
s RECOMMENDED PCB PAD LAYOUT and SCHEMATICS mm (inch)
2-- 1.8(0.071 DIA) Schematic
* Low profile, light weight. * Two types of contact (General type: 5A switching, High power type; 10A switching) * Fluxtight or washable package is available. * UL recognized (E 73266), CSA certified (LR46266)
12 (0.47)
s FEATURES
12.2 (0.48)
2 (0.08)
3-- 1.6 (0.063 DIA) (BOTTOM VIEW)
(0.46 oz) Not energized position Weight Approx. 13 g
s PART NUMBER SYSTEM s SAFETY STANDARD AND RATING
ULRecognized (UL508)* File No. E73266 MR301- ** HU 1/2HP 240VAC 1/4HP 125VAC 30VDC, 7 A (Resistive) 60VDC, 1.0 A (Resistive) 277VDC, 5 A (Resistive) 120VDC, 10 A (Resistive) 360 W, 120VAC Tungsten 120VAC, 2 A Ballast TV-2, 120VAC CSA Certificated (CSA C22.2 No.14) File No. LR46266 MR301- ** HU 1/2HP 240VAC 1/4HP 125VAC 30VDC, 7 A (Resistive) 60VDC, 1.0 A (Resistive) 277VDC, 5 A (Resistive) 120VDC, 10 A (Resistive) 360 W, 120VAC Tungsten 120VAC, 2 A Ballast
MR301-3HUSL
Nominal coil voltage 3, 5, 6, 9, 12, 24 Vdc Nil : General type (5A) H : High power type (10A) Nil : 0.3 mm Standoff L : 0.8 mm Standoff Nil : Fluxtight S : Washtight Nil : Standard type U : UL recognized, CSA certified type
MR301- ** U 1/4HP 240VAC 1/8HP 125VAC 30VDC, 5 A (Resistive) 277VDC, 2.5 A (Resistive) 120VDC, 5 A (Resistive) 130 W, 120VAC Tungsten 120VAC, 2 A Ballast
* Spacing : UL114, UL478
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MR301 Series
s SPECIFICATIONS
Types (Contact Rating) Items Contact Form Maximum Switching Power (Resistive Load) Maximum Switching Voltage (Resistive Load) Maximum Switching Current (Resistive Load) Minimum Switching Voltage and Current Initial Contact Resistance MR301 (5A)
Document No. ER0046EJAV3SG00 (WWW-MR301)
(c)
1998
at 20C
MR301-H (10A) 1 Form c 150 W, 600 VA 250 Vac, 30 Vdc 5A 10 A 5 Vdc, 0.1 A 5 Vdc, 1 A 8.8 m typ. (measured by voltage drop at 5 Vdc, 0.5A) 8.8 m typ. (measured by voltage drop at 5 Vdc, 2A) Silver nickel alloy Silver oxide complex alloy Approx. 5 ms (at nominal voltage) Approx. 2 ms (at nominal voltage) without diode 360 mW 1000 M at 500 Vdc 750 Vac (for one minute) 1500Vac (for one minute) Approx. 1 pF Approx. 10 pF 98 m/s2 (10G) (misoperating), 980 m/s2 (100G) (destructive failure) 10 to 300 Hz, 43 m/s2 (4.4G)(misoperating), 10 to 500 Hz, 43 m/s2 (4.4G), 200 hours destructive failure) -40 to +85 C (-40 to +185 F) 50 C / W (122 F/W) 10 x 106 operations 100 x 103 operations Approx. 13g(0.46 oz) 300 W, 1200 VA
Contact Ratings
Contact Material Operate Time (Excluding bounce) Release Time (Excluding bounce) Nominal Operate Power Insulation Resistance Breakdown Voltage Electrostatic Capacitance Shock Resistance Vibration Resistance Ambient Temperature Coil Temperature Rise Running Specifications Weight Non load Load Between open contacts Between contacts and coil Between open contacts Between contacts and coil
s COIL RATING
Nominal Voltage 3 5 6 Vdc 9 12 24 Coil Resistance () 10 % 25 70 100 225 400 1600 Must Operate Voltage* ( Vdc) 2.1 3.5 4.2 6.3 8.4 16.8
at 20C Must Release Voltage* (Vdc) 0.3 0.5 0.6 0.9 1.2 2.4
* Test by pulse voltage
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MR301 Series
Document No. ER0046EJAV3SG00 (WWW-MR301)
(c)
1998
The information in this document is based on documents issued in April, 1998 at the latest. The information is subject to change without notice. For actual design-in, refer to the latest publications of data sheet, etc., for the most up-date specifications of the device. No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC Corporation. NEC Corporation assumes no responsibility for any errors which may appear in this document. NEC Corporation does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from use of a device described herein or any other liability arising from use of such device. No license, either express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of NEC Corporation or others. While NEC Corporation has been making continuous effort to enhance the reliability of its electronic components, the possibility of defects cannot be eliminated entirely. To minimize risks of damage or injury to persons or property arising from a defect in an NEC electronic component, customer must incorporate sufficient safety measures in its design, such as redundancy, fire-containment, and anti-failure features. NEC devices are classified into the following three quality grades: "Standard", "Special", and "Specific". The Specific quality grade applies only to devices developed based on a customer designated "quality assurance program" for a specific application. The recommended applications of a device depend on its quality grade, as indicated below. Customers must check the quality grade of each device before using it in a particular application. Standard: Computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots Special: Transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support) Specific: Aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, Iife support systems or medical equipment for life support, etc. The quality grade of NEC devices is "Standard" unless otherwise specified in NEC's Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact NEC sales representative in advance. Anti-radioactive design is not implemented in this product.
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