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DATA S H E E T
UA2/UB2 SERIES
MINIATURE SIGNAL RELAY
Super-compact size, Slim-package, Surface mounting type
DESCRIPTION
NEC's UA2/UB2 relay ia a new generation Miniature Signal Relay of super-compact size and slim-pakage.
But, the latching type production is going to start after June 2000.
FEATURES
TM Small mounting size of slim package for dense mounting.
TM Bellcore (2500 V) and FCC (1500 V) surge capability.
TM IEC950/UL1950/EN60950 spacing and high breakdown voltage.
(Basic insulation class on 200 V working voltage)
TM Low power consumption 140 mW
APPLICATIONS
Electronic switching systems, PBX, terminal equipment, telephone system, instrumental equipment.
For Right Use of Miniature Relays
DO NOT EXCEED MAXIMUM RATINGS.
Do not use relays under exceeding conditions such as over ambient temperature, over voltage
and over current. Incorrect use could result in abnormal heating, damage to related parts or
cause burning.
READ CAUTIONS IN THE SELECTION GUIDE.
Read the cautions described in NEC's "Miniature Relays" (ER0046EJ
) when you choose relays
for your application.
Document No. ER0450EJ2V0DS00 (2nd edition)
Date Published January 2000 M
Printed in Japan
The information in this document is subject to change without notice.
1999
UA2/UB2 SERIES
DATA SHEET ER0450EJ2V0DS00
2
Tolerance of lead pitch is
0.15 mm [0.006 inch]
Another tolerance is
0.3 mm [0.012 inch]
( ) is reference.
Value of trimmed lead type (NJ type)
10.6 [0.417]
mm [inch]
0.5 [0.020]
8.0 [0.315]
3.4 [0.134]
2.8 [0.110]
(1.5)
(1.5)
3.2
[0.126]
2.2
[0.087]
2.2
[0.087]
5.7 [0.224]
3.2
[0.126]
8 - 0.85
7.6
(mm)
3.2
3.2
2.2
2.2
DIMENSIONS AND PAD LAYOUTS (Unit : mm [inch])
UA2 SERIES
UB2 SERIES
10.6 [0.417]
mm [inch]
3.2
[0.126]
2.2
[0.087]
2.2
[0.087]
3.2 [0.126]
7.4 [0.291]
6.0 [0.236]
(1.5)
(1.5)
8.8 [0.346] max.
9.0 [0.354] max.
5.7 [0.224]
Tolerance of lead pitch is
0.15 mm [0.006 inch]
Another tolerance is
0.3 mm [0.012 inch]
( ) is reference.
Value of minimum footprint type (NUN type)
7.6
(mm)
0.8
3.1
2.4
5.3
4.6
3.2
2.2
2.2
(Bottom view)
Note. General tolerance :
0.1
(Bottom view)
Note. General tolerance :
0.1
UA2/UB2 SERIES
3
DATA SHEET ER0450EJ2V0DS00
PIN CONFIGURATIONS (bottom view)
UA2 SERIES
Index mark of
relay direction
Non-latch type
(not energized position)
Single coil latch type
(reset position)
S : Coil polarity of set (operate)
R : Coil polarity of reset (release)
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
S
R
5
1
2
3
4
8
7
6
5
R
Index mark of
relay direction
1
2
3
4
8
7
6
5
S
Non-latch type
(not energized position)
Single coil latch type
(reset position)
S : Coil polarity of set (operate)
R : Coil polarity of reset (release)
UB2 SERIES
MARKINGS (top view)
U A 2 1 2 N U
9 9 0 0
J A P A N
2
3
4
1
5
q Part number
w Manufacturer
e Country of origin
r Date code
t Index mark of relay direction
(pin No. 1, 12)
UA2/UB2 SERIES
DATA SHEET ER0450EJ2V0DS00
4
2 Form c
30 W (resistive)
37.5 VA (resistive)
220 Vdc
250 Vac
1 A
1 A
10 mV.dc, 10
A *
4
100 m
Max. (Initial)
Silver alloy with gold alloy overlay
140 to 230 mW
100 to 120 mW
Approximately 2 ms
Approximately 1 ms without diode
1000 M
at 500 Vdc
1000 Vac for one minute (1500 V surge, 10
160
s
1
)
1500 Vac for one minute (2500 V surge, 2
10
s *
2
)
735 m / s
2
(75 G) (misoperating)
980 m / s
2
(100 G) (destructive failure)
10 to 55 Hz at double amplitude of 3 mm (20 G)
(misoperating)
10 to 55 Hz, double amplitude of 5 mm (30 G)
(Destructive failure)
40 to +85C
18 degrees at nominal coil voltage (140 mW)
5
10
7
*
3
operations (Non-latch type)
1
10
7
operations (Latch type)
30 Vdc 1 A (resistive), 1
10
5
operations at 20C
125 Vac 0.3 A (resistive), 1
10
5
operations at 20C
Approximately 1 grams
Nominal Operating Power
Contact Form
Maximum Switching Power
Maximum Switching Voltage
Maximum Switching Current
Maximum Carrying Current
Minimum Contact Ratings
Initial Contact Resistance
Contact Material
Non-Latch Type
Single Coil Latch Type
Operate Time (Excluding Bounce)
Release Time (Excluding Bounce)
Insulation Resistance
Between Open Contacts
Breakdown Voltage
Between Adjacent Contacts
Between Coil and Contact
Shock Resistance
Vibration Resistance
Ambient Temperature
Coil Temperature Rise
No-load
Load
Weight
PERFORMANCE CHARACTERISTICS (Community)
Running specifications
1
rise time : 10
s, fall time : 160
s
2
rise time : 2
s, fall time : 10
s
3
This shows a number of operation where it can be running by which a fatal is not caused, and number of operation by wich
a stesdy characteristic is maintained is 1
10
7
times.
4
This value is a reference value in the resistive load.
Minimum capacity changes depending on seitching frequency and enviroment temperature and the load.
Contact Ratings
UL Recognized
CSA Certificated
(UL508)*
(CSA C22.2 No14)
File No E73266
File No LR46266
30 Vdc, 1 A
(Resistive)
110 Vdc, 0.3 A (Resistive)
125 Vac, 0.3 A (Resistive)
* Spacing : UL114, UL478
Spacing : CSAstd950
SAFETY STANDARD AND RATING
UA2/UB2 SERIES
5
DATA SHEET ER0450EJ2V0DS00
PART NUMBER SYSTEM
NOMINAL LINEUP
Non-latch Type
Nominal Coil
Voltage
(Vdc)
1.5
3
4.5
5
6
9
12
24
Coil
Resistance
(
)
10 %
16
64.3
145
178
257
579
1028
2504
Must Operate
Voltage
(Vdc)
1.13
2.25
3.38
3.75
4.5
6.75
9.0
18.0
Must Release
Voltage
(Vdc)
0.15
0.3
0.45
0.5
0.6
0.9
1.2
2.4
at 20C
Nominal
operate power
(mW)
140
140
140
140
140
140
140
230
Single-Coil Latch Type
Nominal Coil
Voltage
(Vdc)
1.5
3
4.5
5
6
9
12
24
Coil
Resistance
(
)
10 %
22.5
90
202.5
250
360
810
1440
4800
Must Operate
Voltage
(Vdc)
1.13
2.25
3.38
3.75
4.5
6.75
9.0
18.0
Must Release
Voltage
(Vdc)
1.13
2.25
3.38
3.75
4.5
6.75
9.0
18.0
at 20C
Nominal
operate power
(mW)
100
100
100
100
100
100
100
120
UB2 3 S N U L
Option
NU
: Standard
NJ
: Trimmed lead typr of UA2
NUN : Minimum footprint type of UB2
Packing code
Nil : Tube (All of UA2, To be select for UB2)
L
: Embossed carrying tape of L type (UB2 only)
R
: Embossed carrying tape of R type (UB2 only)
Lach typr
Nil : Nonlatch typr
S
: Single coil latch typr
Nominal coil voltage
A numerical value of coil voltage (See the following lineup)
Series name
UA2 : UA2 Series
UB2 : UB2 Series