All technical performance data apply to the relay as such, specific conditions of the individual application are not considered. Please always check the suitability of
the relay for your intended purpose. We do not assume any responsibility or liability for not complying herewith. We recommend to complete our questionnaire and
to request our technical service. Any responsibility for the application of the product remains with the customer only. All specifications are subject to change without
notification. All rights of Tyco are reserved.
88
Please observe the disclaimer.
PCB Relays
Single Relays
VKP (open and sealed)
Dimensional drawing
Open version
.748 MAX.
(19.0)
X
Catalog 1308028
Revision 03-06
Revision 03-05
.911 MAX.
(23.1)
.715 MAX.
(18.2)
.150 MAX.
(3.8)
ECR2130-6
Sealed version
1.04 MAX.
(26.5)
.866 MAX.
(22.0)
.878 MAX.
(22.3)
ECR2131-E
.150 MAX.
(3.81)
EXCLUDING
SOLDER
Mounting holes
View of the terminals
(Bottom view)
Open version
ø .055
(1.4)
.062
(1.6)
3
2 x .043
(1.1)
5
1 2
4
2 x .062
(1.6)
4
2 x .086
(2.2)
4
.086
(2.2)
2 x .043
(1.1)
5
4
2 x .062
(1.6)
1 2
4
2 x .086
(2.2)
Sealed version
2 x .083
(2.1)
2x .083
(2.1)
ø .055
(1.4)
3
.134
(3.4)
.147
(3.73)
.213
(5.4)
.467
(11.87)
.161
(4.08)
5
.586
(14.88)
.211
(5.35)
.148
(3.75)
3
1 2
4
.483
(12.28)
4
4
.092
(2.33)
ECR2132-M
.211
(5.35)
.289 MAX.
(7.3)
3
.467 .147
(11.87) (3.73)
.161
(4.08)
5
1 2
4
.483
(12.28)
.19 MAX.
(4.8)
.148
(3.75)
4
ECR2133-V
89
Please observe the disclaimer.
PCB Relays
Single Relays
VKP (open and sealed)
Catalog 1308028
Revision 03-06
Revision 03-05
Contact data
Typical areas of application
Contact configuration
Circuit symbol
(see also Pin assignment)
Resistive / inductive loads
Make contact/
Changeover contact/
Form A
Form C
3
5
High inrush, lamp and capacitive loads
Make contact/
Changeover contact/
Form A
Form C
3
5
4
4
Rated voltage
Rated current at 85 °C
40 A
Contact material
Max. switching voltage/power
Max. switching current
On
1)
Off
2)
Min. recommneded current
Voltage drop at 10 A (initial)
Mechanical endurance (without load)
Electrical endurance
(example of resistive load)
1)
2)
C
12 V
40 A
AgSnO
2
(VKP-***52)
C
NC/NO
25/40 A
AgNi0.15 (VKP-***42)
NC/NO
25/40 A)
100 A
60 A
Typ. 15 mV
See load limit curve
NC/NO
30 A/100 A
180 A
30 A/60 A
60 A
1 A at 5 V
Typ. 20/15 mV
Typ. 20 mV
7
operations
> 10
10
5
operations at 40 A, 14 V,
on NO contact
NC/NO
30 A/180 A
30 A/60 A
Typ. 25/20 mV
Inrush current for lamp load.
See load limit curve.
Load limit curve
ECR2128-U
75
60
50
40
30
Switchng Voltage (VDC)
Safe breaking, arc extinguished (normally
open contact) for resistive loads.
50
0W
20
50
W
20
0W
12
10
0.5
1
2
3
4
5
7
10
20
30
40
Switching Current (A)
Pin assignment
Open version
1 make contact/
1 form A
1 changeover contact/
1 form C
Sealed version
1 make contact/
1 form A
1 changeover contact/
1 form C
3
5
1 2
5
1 2
4
4
4
4
ECR2155-R
ECR2156-Z
90
Please observe the disclaimer.
PCB Relays
Single Relays
VKP (open and sealed)
Catalog 1308028
Revision 03-06
Revision 03-05
Contact data
Typical areas of application
Contact configuration
Circuit symbol
(see also Pin assignment)
Flashing lamps
Make contact/
Form A
Changeover contact/
Form C
3
5(–)
4(+)
Rated voltage
Contact material
Max. switching voltage/power
Max. switching current
On
2)
Off
Steady-state flashing
3)
Open
Sealed
Alternate flashing
4)
Open
Sealed
Min. recommended load
5)
Voltage drop (initial) at 10 A
Mechanical endurance (without load)
Electrical endurance
1)
2)
12 V
AgSnO
2
(VKP-***72)
1)
See load limit curve (page 90)
High current version
240 A
30 A
30 A
25 A
High current version
NC/NO
60 A/240 A
20 A/30 A
NC/NO
10 A/30 A
10 A/25 A
NC/NO
8 A/8 A
8 A/8 A
1 A at 5 V
100 mV max. for NO contacts,
200 mV max. for NC contacts, typ. 40 mV
Typ. 10
7
operations
See application information below
Center contact pin 4 to be connected to positive potential.
Inrush current for lamp load.
3)
Continuous On-Off cycling of a single set of lamps at 60 to 90 operations per minute and approx. a 50% duty cycle.
4)
Continuous cycling between two sets of lamps with one set switched by the NO contacts and the other by the NC contacts, at 60 to 90 operations per minute
and approx. a 50% duty cycle.
5)
See chapter Diagnostics in our Application Recommendations on page 18 of this catalog or consult the internet at http://relays.tycoelectronics.com/application.asp
91
Please observe the disclaimer.
PCB Relays
Single Relays
VKP (open and sealed)
Application information
Load polarity:
VKP series relays for flashing lamp applications are constructed
with special AgSnO movable contacts and standard AgSnO stationary contacts.
This causes the relay to be sensitive to the polarity of the load voltage. This type
of VKP relay must be mechanized in the circuit such that the more positive con-
nection is made to the movable contact (identified as terminal 4 in the wiring
diagrams). Failure to do so will nullify the benefit of the special AgSnO contact
material and will result in significantly reduced relay life.
Typical applications:
Typical applications: VKP series relays for flashing lamp
applications are typically used for turn signals, hazard warning, emergency
vehicle, and security system applications. They may also be suitable for high in-
rush current capacitive loads such as audio amplifiers. Use on inductive loads
or loads with high continuous load currents should be avoided. The relay should
also not be used in applications, which do not have a significant make current,
as high contact voltage drop may result.
Note:
The VKP-***72 series relay with special AgSnO contact material replaces
the VKP-XXX32 standard current and the VKP-***62 high current PdCu /
AgNi0.15 contact relays.
High current relays:
VKP-***72 series relays for flashing lamp applications are
generally suitable for passenger car, light truck with or without special trailering
requirements, and medium duty truck, and emergency vehicle applications.
They are also generally suitable for security system applications for flashing
lamps and for most audio amplifier applications. This relay is also recommend-
ed for alternating flasher applications, such as emergency vehicles. This version
has much improved performance on the normally open contacts, so optimum
life can be attained for alternating applications by using two normally open
relays and powering the coils alternately.
Catalog 1308028
Revision 03-06
Revision 03-05
Electrical life test information
High current relays:
3 bulb T/S system, combined turn signal and hazard
warning with special trailering (test requirements):
3 bulb
6 bulb
7 bulb
14 bulb
TOTAL
2.1 million operations
194 K operations
259 K operations
497 K operations
3.0 million operations
This application represents about the limit of the performance capability of the
"Flashing Lamp” type VKP relay. It should be noted that the low current opera-
tions have very little effect on the product life where as the 14 bulb (only) loads
can be expected to fail at less than 1 million operations.
Note:
Bulb as used here is a 27 watt turn signal bulb, trade #1156. Testing
includes operations at -40 °C, 23 °C, and 85 °C.
Design considerations:
It should be noted that although the VKP series relays
are capable of handling relatively high currents, when applying the product
under high current and high ambient temperature conditions, providing ade-
quate conductor volume is critical, as is the solder connection, particularly with
respect to the normally open contact terminal. It may be necessary to use high
temperature solder, a plated through hole PCB, or copper lead frame type con-
struction under these conditions to prevent failure of the solder joint.
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