DATA SHEET
AUTOMOTIVE RELAYS
EP2/EP1 SERIES
DESCRIPTION
The
EP1 series
series are
are PC-board mount type automotive relays suitable for
for various
various motor
motor
The NEXEM
NEXEM EP2
EP2 // EP1
controls
controls and
and other
other applications
applications that
that require
require aa high
high level
level of
of quality
quality and
and performance.
performance.
EP2
differentusage.
usage.
EP2 series
series is
is a twin-relay
twin-relay and
and divided
divided into
into two
two types
types with
for different
One
H-bridge type designed
designed for forward and reverse
reverse control of the
the motors,
motors, and
and the
the other,
other is
a separate
One is
is an H-bridge
a separate
type containing two separated
separated relays
relays in
in one
one package.
package.
EP1
series
is is
a 1a Form
c relay
equivalent
to to
EP2
series
in in
performance.
EP1
series
1 Form
c relay
equivalent
EP2
series
performance.
FEATURES
{
For motor reversible control and solenoid control
{
Approx. 50% less relay space than conventional relay
{
High performance and productivity by unique structure
{
Flux tight housing
APPLICATIONS
{
Power window
{
Antenna lifter
{
Auto-seat positioning
{
Electrical door lock
{
Passive seat belt control
{
Keyless/Remote entry system
{
Sliding roof control
EP2 SERIES
EP1 SERIES
For Proper Use of Miniature Relays
DO NOT EXCEED MAXIMUM RATING
Do not use relay under excessive conditions such as over ambient temperature, over voltage and over
current. Incorrect use could result in abnormal heating and damage to the relay or other parts.
READ CAUTIONS IN THE SELECTION GUIDE
Read the cautions described in EM Devices' Miniature Relays before dose designing your relay applications.
The information in this document is subject to change without notice.
© EM Devices Corporation 2017
2018
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
●Please request for a specification sheet for detailed product data prior to the purchase.
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
●Before using
the for
product
in this catalog,
please
read "Precautions"
andprior
othertosafety
precautions listed in the printed version catalog.
●Please
request
a specification
sheet
for detailed
product data
the purchase.
●Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.
EMDPD1VOL01E704H
2019.4.1 EMDPD1VOL02E1804H
EP2/EP1 SERIES
EP2 / EP1 SERIES
SCHEMATIC (BOTTOM VIEW)
EP2 SERIES
EP1 SERIES
DIMENSIONS mm (inch)
EP2 SERIES
16.2±0.5
(0.64)
16.0±0.5
(0.63)
(0.4) 10.1
11.9*
(0.47)
11.9*
(0.47)
4-φ0.6
(φ0.22)
*for reference
(0.14)3.5
(0.31) 8.0
(0.4) 10.1
11.9*
(0.47)
11.9*
(0.47)
2
5.45(0.21)
2-0.5×1.1
(0.02×0.04)
3.1
(0.12)
10.1 (0.4)
8.0 (0.31)
3.5
(0.14)
2.2
(0.09)
6.4 (0.25)
5.45 (0.21)
6.4 (0.25)
3.1
(0.12)
2.2
(0.09)
8.1*
8.1*
(0.32)(0.32)
2-1.3×1.3
(0.05×0.05)
3.1
(0.12)
2.2
(0.09)
(0.14)3.5
(0.31) 8.0
2-0.5×1.1
(0.02×0.04)
5.45(0.21)
2.2
(0.09)
5.45(0.21)
10.1 (0.4)
8.0 (0.31)
3.5
(0.14)
3.5
3.5
(0.14)
0.5
(0.02)
Lot Code
8D1 999
23.8±0.5
(0.94)
16.2±0.5
(0.64)
23.8±0.5
(0.94)
EP2-B3G1ST
8.1*
8.1*
(0.32)(0.32)
Part number
(0.14)
Lot Code
8D1 999
Vent Hole
(Sealed/Unsealed)
PHILIPPINES
0.5
(0.02)
EP2-B3G1S
Separate type
discrimination mark
(φ2.0)
Country of Origin
Logo
6.4 (0.25)
Vent Hole
(Sealed/Unsealed)
PHILIPPINES
Part number
Separate Type
Country of Origin
Logo
16.0±0.5
(0.63)
H Bridge Type
2-1.3×1.3
(0.05×0.05)
4-φ0.6
(φ0.22)
*for reference
2
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
●Please request for a specification sheet for detailed product data prior to the purchase.
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
●Before using
the for
product
in this catalog,
please
read "Precautions"
andprior
othertosafety
precautions listed in the printed version catalog.
●Please
request
a specification
sheet
for detailed
product data
the purchase.
●Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.
EMDPD1VOL01E704H
2019.4.1 EMDPD1VOL02E1804H
EP2/EP1 SERIES
EP1 SERIES
Logo
Country of Origin
PHILIPPINES
Part number
EP1-B3G1S
8D1 999
Vent Hole
(Sealed/Unsealed)
Lot Code
3.5
(0.14)
16.0±0.5
(0.63)
16.2±0.5
(0.64)
0.5(0.02)
14.6±0.5
(0.58)
10.1(0.4)
2-φ0.6
2.65*(0.1)
8.0(0.31)
3.5
(0.14)
5.45
(0.21)
2.2
(0.09)
6.4
3.1(0.12)
(0.25)
(φ0.02)
1.3×1.3
(0.05×0.05)
2-0.5×1.1
(0.02×0.04)
*for reference
PCB PAD LAYOUT mm (inch) (BOTTOM VIEW)
EP2 SERIES
EP1 SERIES
33
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
●Please request for a specification sheet for detailed product data prior to the purchase.
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
●Before using
the for
product
in this catalog,
please
read "Precautions"
andprior
othertosafety
precautions listed in the printed version catalog.
●Please
request
a specification
sheet
for detailed
product data
the purchase.
●Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.
EMDPD1VOL01E704H
2019.4.1 EMDPD1VOL02E1804H
EP2/EP1 SERIES
EP2 / EP1 SERIES
SPECIFICATIONS
EP2
EP1 at 25°C(77°F)
EP2 type and separate
EP1
1 Form c × 2 (H bridge
1 Form c
1
Form c × 2 (H bridge type and separate
type)
1 Form c
type)
Silver oxide complex alloy(special type available)
Silver oxide complex alloy(special type available)
50 mΩ max. (measured at 7 A) initial
50 mΩ max. (measured at 7 A) initial
16 VDC max.
16 Vdc max.
25 A max. (at 16 VDC)
25 A max. (at 16 Vdc)
20 A max. (1 hour max.),
25 A max. (1 hour max.),
20
max.),
25
max.),
25 AAmax.
max.(1
(2hour
minutes
max.) at 12 VDC
30 AAmax.
max.(1
(2hour
minutes
max.) at 12 VDC
25 A max. (2 minutes max.) at 12 Vdc
30 A max. (2 minutes max.) at 12 Vdc
Approx. 5 ms (at 12 VDC) initial
Approx. 5 ms (at 12 Vdc) initial
Approx. 2 ms (at 12 VDC) initial. without diode
Approx. 2 ms (at 12 Vdc) initial. without diode
0.48 W / 0.64 W (at 12 VDC)
0.48 W / 0.64 W (at 12 Vdc)
100 MΩ min. (at 500 VDC) initial
100 MΩ min. (at 500 Vdc) initial
500Vdc
VACmin.
min.(for
(for
1 minute)
initial
500
1 minute)
initial
2
min.
980 980
m /m
s2 /min.
(destructive
failure) failure)
98 m
m //s2s[10
98
G] (misoperating),
min. (misoperating),
s [100
G] min. (destructive
2 2
min.
10 to
to300
300Hz,
Hz,4343
m/s
[ 24.4
G] (misoperating)
min. (misoperating)
10
m/s
2
10 to
to500
500Hz,
Hz,4343
m/s
200
(destructive
failure)
10
m/s
, [ ,4.4
G] hours
200 hours
(destructive
failure)
–40 °C
℃ to
to +85
+85°C
℃(–40
(–40°F
℉toto+185
+185
–40
°F)℉ )
Items
Items
Contact Form
Contact Form
Contact Material
Contact Material
Contact Resistance
Contact Resistance
Contact Switching Voltage
Contact Switching Voltage
Contact Switching Current
Contact Switching Current
Contact Carrying Current
Contact Carrying Current
Operate Time
Operate Time
Release Time
Release Time
Normal Operate Power
Normal Operate Power
Insulation Resistance
Insulation Resistance
Breakdown Voltage
Voltage
Breakdown
Shock Resistance
Resistance
Shock
2
Vibration Resistance
Resistance
Vibration
Ambient Temperature
Temperature
Ambient
Coil Temperature
Temperature
Coil
50 °C
℃ //W
W(122
(122°F/W)(contact
℉ /W)(contact
carrying
current
50
carrying
current
0 A)0 A)
6 6
operations
1 ××1010operations
1
Mechanical
Mechanical
Electrical
Electrical
Life
Life Expectancy
Expectancy
3
100
1414
Vdc.
Motor
Load
20 A20
/ 3AA)/ 3 A)
operations(at(at
VDC.
Motor
Load
100 xx10
10operations
Approx. 15
Approx.
15 gn
gn(0.53oz)
(0.53 oz)
Approx. 88 gr
gr (0.28
(0.28oz)
oz)
3
Weight
Weight
COIL RATING
EP2 SERIES
Part Number
H Bridge
Type
Separate
Type
Nominal
Voltage
(VDC)
(Vdc)
EP2-3L1
EP2-3L2
EP2-3L3
EP2-4L3
EP2-4L4
EP2-4L5
EP2-3L1T
EP2-3L2T
EP2-3L3T
EP2-4L3T
EP2-4L4T
EP2-4L5T
12
12
12
12
12
12
* High carrying current type available
Coil
Resistance
(Ω±10%)
Nominal
Current
(mA)
225
225
225
300
300
300
53.5
53.5
53.5
40.0
40.0
40.0
Nominal
Operate
Power
(W)
0.64
0.64
0.64
0.48
0.48
0.48
Must
Release
Voltage
(VDC min.)
min.)
(Vdc
0.9
0.9
0.9
0.9
0.9
0.9
Must
Release
Voltage
(Vdc
(VDC min.)
min.)
Nominal
Operate
Power
(W)
0.9
0.9
0.9
0.9
0.9
0.9
0.64
0.64
0.64
0.48
0.48
0.48
EP1 SERIES
Part Number
High
Carrying
Regular
Type
Current
Type
EP1-B3G1
EP1-3L1
EP1-B3G2
EP1-3L2
EP1-B3G3
EP1-3L3
EP1-B4G3
EP1-4L3
EP1-B4G4
EP1-4L4
EP1-B4G5
EP1-4L5
at
at 20℃
25°C(72℉
(77°F)
Must
Operate
Voltage
(VDC max.)
max.)
(Vdc
6.5
7.0
7.5
7.5
8.0
8.5
at 20℃ (72℉ )
Nominal
Voltage
(Vdc)
(VDC)
Coil
Resistance
(Ω±10%)
Nominal
Current
(mA)
Must
Operate
Voltage
(Vdc
(VDC max.)
max.)
12
12
12
12
12
12
225
225
225
300
300
300
53.3
53.3
53.3
40.0
40.0
40.0
6.5
7.0
7.5
7.5
8.0
8.5
4
4
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
●Please request for a specification sheet for detailed product data prior to the purchase.
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
●Before using
the for
product
in this catalog,
please
read "Precautions"
andprior
othertosafety
precautions listed in the printed version catalog.
●Please
request
a specification
sheet
for detailed
product data
the purchase.
●Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.
EMDPD1VOL01E704H
2019.4.1 EMDPD1VOL02E1804H
EP2/EP1 SERIES
NUMBERING SYSTEM
Nil
Nil
Nil
TYPICAL APPLICATION (H Bridge Type)
14V
MOTOR
Tr1
Tr2
STOP
off
off
FORWARD
on
off
REVERSE
off
on
It is necessary
necessary to
off timing
timing between
between driving Tr1 and Tr2. If the
the interval
interval
to take
take more
more than
than 100
100 ms
ms intervals
intervals for
for on
on // off
is less than
may to
happen
therelay
relaycontacts.
contacts.
than 100 ms, an
an excessive
excessive current
currentflow
happen
flow totothe
55
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
●Please request for a specification sheet for detailed product data prior to the purchase.
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
●Before using
the for
product
in this catalog,
please
read "Precautions"
andprior
othertosafety
precautions listed in the printed version catalog.
●Please
request
a specification
sheet
for detailed
product data
the purchase.
●Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.
EMDPD1VOL01E704H
2019.4.1 EMDPD1VOL02E1804H
EP2/EP1 SERIES
EP2 / EP1 SERIES
TECHNICAL DATA
Coil temperature rise (℃)
Coil temperature rise (℃)
Coil Temperature Rise (EP2-3L1)
Coil energized time (minutes)
Time(EP2-3L1)
(EP2-3L1)
Release time
Operate time (ms)
Operate time (ms)
Operate Time (EP2-3L1)
Coil energized power (W)
Coil energized power (W)
Coil energized power (W)
6
6
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
●Please request for a specification sheet for detailed product data prior to the purchase.
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
●Before using
the for
product
in this catalog,
please
read "Precautions"
andprior
othertosafety
precautions listed in the printed version catalog.
●Please
request
a specification
sheet
for detailed
product data
the purchase.
●Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.
EMDPD1VOL01E704H
2019.4.1 EMDPD1VOL02E1804H
EP2 / EP1 SERIES
EP2/EP1 SERIES
No part of this
this document
document may
may be copied or reproduced
No
reproduced in
in any
any form
form or
or by
by any
any means
meanswithout
without the
the prior
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written
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of EM
EM Devices Corporation. EM Devices Corporation assumes
assumes no
consent
no resposibility
resposibility for any
any errors
errors which
which may
may
appear in
in this
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document.
appear
EM
does not
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for infringement
infringement of
of patents,
patents, copyrights
copyrights oror other
otherintellectual
intellectual
EM Devices
Devices Corporation does
property
from use
use of
of aa device
device described
described herein
herein or
or any
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otherliability
liability arising
arising from
from
property rights of third parties by or arising from
use
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or
use of such
such device.
device. No
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either express,
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granted under
other
or others.
others.
other intellectual
intellectual property
property rights of EM
EM Devices
Devices Corporation
Corporation or
The possibility
of defects
cannothas
be eliminated
entirely
even though
Devices Corporation
making
While
EM Devices
Corporation
been making
continuous
effort EM
to enhance
the reliabilityhas
of been
its electronic
continuous effort
enhance of
thedefects
reliability
of itsbeelectronic
components.
minimize risks
risks of
of damage
damage or
components,
the to
possibility
cannot
eliminated
entirely. ToTominimize
or injury
injury toto
persons or property
persons
property arising
arising from
from aa defect
defect in
in an
an EM
EM Devices
Devices electronic
electronic component,
component, customers
customers must
must incorporate
incorporate
sufficient safety
its its
design,
suchsuch
as redundancy,
fire-containment,
and anti-failure
features.features.
EM Devices
sufficient
safety measures
measuresin in
design,
as redundancy,
fire-containment,
and anti-failure
EM
products products
are classified
into the following
three quality
Devices'
are classified
into the following
threegrades:
quality grades:
"Standard," "Special,
qualityquality
grade applies
only to devices
based on based
a customer
"Standard,"
"Special, "and
"and"Specific".
"Specific".Specific
The Specific
grade applies
only to developed
devices developed
on a
designateddesignated
quality assurance
for program"
a specific for
application.
recommended
of a
device depend
customer
"quality program
assurance
a specificThe
application.
The applications
recommended
applications
of a
on its quality
grade,
indicated
below.
must check
the quality
each
device
before
it in a
device
depend
on itsasquality
grade,
as Customers
indicated below.
Customers
must grade
checkofthe
quality
grade
of using
each device
particular
application.
before
using
it in a particular application.
Standard: Computers,
Computers, office
Standard:
office equipment,
equipment, communications
communications equipment,
equipment, test
test and
and measurement
measurementequipment,
equipment,audio
audio
and
and visual
visual equipment,
equipment, home
home electronic
electronic appliances,
appliances, machine
machine tools,
tools, personal
personal electronic
electronic equipment
equipmentand
and
industrial
industrial robots
robots
Special: Transportation
equipment (automobiles,
(automobiles, trains,
trains,ships,
ships,etc.),
etc.),traffic
traffic
control
systems,
anti-disaster
Special:
Transportation equipment
control
systems,
anti-disaster
systems,
systems, anti-crime
anti-crime systems,
systems, safety
safety equipment
equipment and
and medical
medical equipment
equipment(not
(notspecifically
specifically designed
designed for
for
life
life support)
Specific:
Aircrafts, aerospace
aerospace equipment,
control
systems,
life
Specific: Aircrafts,
equipment, submersible
submersiblerepeaters,
repeaters,nuclear
nuclearreactor
reactor
control
systems,
lifesupport
support
systems or
systems
or medical
medical equipment
equipment for
for life
life support,
support, etc.
etc.
The quality grade of EM Devices products are considered as Standard, unless otherwise specified in EM Devices
The quality grade of EM Devices' products are "Standard" unless otherwise specified in EM Devices' Data Sheets or
Data Sheets or Data Books. If customers intend to use EM Devices products for applications that are not specified
Data Books. If customers intend to use EM Devices' products for applications other than those specified for Standard
at Standard quality grade, they should contact an EM Devices sales representative in advance.
quality grade, they should contact an EM Devices sales representative in advance.
(Note)
(Note)
(1) "EM Devices" as used in this statement means EM Devices Corporation and also includes its majority owned
(1) "EM
Devices" as used in this statement means EM Devices Corporation and also includes its majoritysubsidiaries.
owned
subsidiaries.
(2) "EM
Devices
electronic component products" means any electronic component product developed or
(2) "EM
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component
products"
manufactured
by or for EM
Devices (as
defined means
above). any electronic component product developed or
manufactured by or for EM Devices (as defined above).
DE0202
Printed on recycled paper
7
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
●Please request for a specification sheet for detailed product data prior to the purchase.
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
●Before using
the for
product
in this catalog,
please
read "Precautions"
andprior
othertosafety
precautions listed in the printed version catalog.
●Please
request
a specification
sheet
for detailed
product data
the purchase.
●Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.
EMDPD1VOL01E704H
2019.4.1 EMDPD1VOL02E1804H