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EQ1 Series

Features | Specifications | Coil Rating | Dimensions | PCB Pad Layout | Schematics | Part Number System

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EQ1 Series Data

Features

The new NEC EQ1 Series automotive relays are designed for motor and lamp control applications that require a high level of quality and performance. The EQ1 has a unique two-piece design for the magnetic circuit. This innovative design is small in size, lightweight, and highly productive.

  • PC board mounting
  • Same pin-layout as MR301
  • Approximately 70% relay volume of MR301
  • Approximately 80% relay space of MR301
  • Approximately 90% relay height of MR301
  • Approximately 60% relay weight of MR301

Specifications

Items For motor control For lamp and LCR circuit control
EQ1-31000S EQ1-11040S EQ1-11111S EQ1-22111S
Contact Form 1 Form c 1 Form a
Contact Rating Max. Switching Voltage 16 Vdc
Max. Switching Current 35 A (at 16 Vdc)
Contact Resistance Typical 5 mOhm (measured at 1 A) Initial
Contact Material Silver oxide complex alloy
Operate Time (Excluding bounce) Typical 3 ms (at Nominal Voltage)
Release Time (Excluding bounce)* Typical 4 ms (at Nominal Voltage)
Nominal Operate Power 640 mW 1000 mW 800 mW
Insulation Resistance
100 MOhm (at 500 Vdc)
Breakdown Voltage Between Open Contact
500 Vac min. (for 1 minute)
Between Coil and Contact 500 Vac min. (for 1 minute)
Shock Resistance Misoperation 98 m/s2(10 G)
Destructive Failure 980 m/s2(100 G)
Vibration Resistance Misoperation 10 to 300 Hz, 43 m/s2(4.4 G)
Destructive Failure 10 to 500 Hz, 43 m/s2(4.4 G) 200 hours
Ambient Temperature -40 to +85°C (-40 to 185°F)
Coil Temperature Rise
60°C/W (108°F/W)
Life Expectancy Mechanical 1 x 106operations
Motor : 25A lock 100 x 103operations —
Lamp : 108W Tungsten — 100 x 103operations
Lamp : 120W Halogen —a 100 x 103operations
LCR circuit : 70A peak — 100 x 103operations
Weight Approx. 9 g (0.32 oz)

* with diode

Coil Rating

SEALED TYPE
(at 20°C)

Items

Applications
Part Number
 Nominal
Voltage
(Vdc)		 Coil
Resistance
(Ohm) ±10%		 Must
Operate
Voltage
(Vdc)		 Must
Release
Voltage
(Vdc)
Motor
Control		 General Purpose EQ1-31000S 12 225 6.5 0.9
For Jump Start EQ1-11040S 144 6.5 0.6
Lamp and LCR Circuit Control EQ1-22111S 180 7.2 0.9
EQ1-11111S 144 6.5 0.6

UNSEALED TYPE
(at 20°C)

Items

Applications
Part Number
 Nominal
Voltage
(Vdc)		 Coil
Resistance
(Ohm) ±10%		 Must
Operate
Voltage
(Vdc)		 Must
Release
Voltage
(Vdc)
Motor
Control		 General Purpose EQ1-31000 12 225 6.5 0.9
For Jump Start EQ1-11040 144 6.5 0.6
Lamp and LCR Circuit Control EQ1-22111 180 7.2 0.9
EQ1-11111 144 6.5 0.6

Dimensions

mm (inch)

PCB Pad Layout

(bottom view) mm (inch)

Schematics

(bottom view)

Part Number System

EQ1
1		 - 3
2		 1
3		 000
4		 S
5
1 Relay series
2 Coil resistance (at 20° C)
1: 144 Ohm
2: 180 Ohm
3: 225 Ohm
3 Must operate voltage (at 20° C)
1: 6.5 V
2: 7.2V
4 Specific code 000 ~ 999
5 Enclosure
Blank: Unsealed
S: Sealed

EQ1 Series Data

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NEC Miniature Power Relays

Notes on Correct Use

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World Products Inc., 19654 8th St. East, Sonoma, CA 95476 USA
Phone: (707) 996-5201 Fax: (707) 996-3380 E-mail: sales@worldproducts.com

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Last updated: 6-7-99