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DATA S H E E T
MINIATURE SIGNAL RELAY
UA2/UB2 SERIES
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.
The information in this document is subject to change without notice.
Document No. ER0450EJ2V0DS00 (2nd edition) Date Published January 2000 M Printed in Japan
(c)
1999
UA2/UB2 SERIES
DIMENSIONS AND PAD LAYOUTS (Unit : mm [inch])
UA2 SERIES
mm [inch] 7.6 10.6 [0.417] 5.7 [0.224] 3.2 2.2 2.2 8- 0.85 (mm)
0.5 [0.020] 8.0 [0.315]
3.4 [0.134] 2.8 [0.110]
(Bottom view)
3.2 [0.126]
(1.5) 3.2 2.2 2.2 [0.126] [0.087][0.087]
(1.5)
Note. General tolerance : 0.1
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)
UB2 SERIES
mm [inch]
10.6 [0.417] 5.7 [0.224]
3.2 7.6 2.2 2.2
3.2
(mm)
9.0 [0.354] max. 8.8 [0.346] max.
5.3 2.4 3.1
0.8
(1.5) 3.2 [0.126] 2.2 2.2 [0.087] [0.087]
(1.5) 3.2 [0.126] 7.4 [0.291] 6.0 [0.236]
(Bottom view) Note. General tolerance : 0.1
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)
2
DATA SHEET ER0450EJ2V0DS00
4.6
UA2/UB2 SERIES
PIN CONFIGURATIONS (bottom view)
UA2 SERIES
1 2 3 4 RS Index mark of relay direction 8 7 6 5 8 7 6 5 1 2 3 4
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
1 2 3 4 1 2 3 4
RS
Index mark of relay direction
8
7
6
5
8
7
6
5
Non-latch type (not energized position)
Single coil latch type (reset position) S : Coil polarity of set (operate) R : Coil polarity of reset (release)
MARKINGS (top view)
1
4 q Part number w Manufacturer 9900 UA2 - 1 2 NU
JAPAN
e Country of origin r Date code t Index mark of relay direction (pin No. 1, 12)
5
2
3
DATA SHEET ER0450EJ2V0DS00
3
UA2/UB2 SERIES
PERFORMANCE CHARACTERISTICS (Community)
Contact Form Maximum Switching Power Contact Ratings Maximum Switching Voltage Maximum Switching Current Maximum Carrying Current Minimum Contact Ratings Initial Contact Resistance Contact Material Nominal Operating Power Non-Latch Type Single Coil Latch Type 2 Form c 30 W (resistive) 220 Vdc 1A 1A 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 Between Open Contacts Breakdown Voltage Between Adjacent Contacts Between Coil and Contact Shock Resistance 1500 Vac for one minute (2500 V surge, 2 x 10 s *2) 735 m / s2 (75 G) (misoperating) 980 m / s2 (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) No-load Running specifications Load Weight 5 x 107 *3 operations (Non-latch type) 1 x 107 operations (Latch type) 30 Vdc 1 A (resistive), 1 x 105 operations at 20C 125 Vac 0.3 A (resistive), 1 x 105 operations at 20C Approximately 1 grams 1000 Vac for one minute (1500 V surge, 10 x 160 s 1) 37.5 VA (resistive) 250 Vac
Operate Time (Excluding Bounce) Release Time (Excluding Bounce) Insulation Resistance
Vibration Resistance
Ambient Temperature Coil Temperature Rise
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 x 107 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.
SAFETY STANDARD AND RATING
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
4
DATA SHEET ER0450EJ2V0DS00
UA2/UB2 SERIES
PART NUMBER SYSTEM
UB2 - 3 S N U - L
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) Option NU : Standard NJ : Trimmed lead typr of UA2 NUN : Minimum footprint type of UB2 Lach typr Nil : Non-latch 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
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
DATA SHEET ER0450EJ2V0DS00
5
UA2/UB2 SERIES
Coile Temperature Rise
Coil Temperature Rise (deg)
30 20 10 0
Coil Temperature Rise (deg)
30 20 10 0
applied power 0.23 W 0.14 W
100
150
200
250
0
5
10
15
20
Applied Power (mW) at 20 degreeC
Energized Time (minute)
Switching capacity
Maximum coil voltage
Swiching Current (A)
DC (resistive) AC (resistive)
Maximum coil voltage (ratio to rated voltage) (%)
2.0 1.0 0.5 0.2 0.1 10
200 150 100 50 0 -40
20
50
100
200 250V. AC 220V. DC
-20
0
20
40
60
80
100
Swiching Voltage (V)
Ambient Temperature (degreeC)
Operate Time and Release Time (Sample : UA2-5NU)
(Without diode) 4 4
Operate Time (ms)
3 2 1 0
Release Time (ms)
0 100 150 200
3 2 1 0
250
0
100
150
200
250
Applied Power (mW)
Applied Power (mW)
6
DATA SHEET ER0450EJ2V0DS00
UA2/UB2 SERIES
Nonload (mechanical) Life Test
(Load: Nonload, Drive: 5VDC 10 Hz 50% duty, at 20 degreeC, Sample: UA2-5 n=20)
Operate Voltage Release Voltage 5
Operate Voltage (V) Release Voltage (V) Contact Resistance (mOhms)
Make Contact Breake Contact 200 100 50 20 10 0
4 3 2 1 0
Maximum Average Minimum
0
0.5
1
5 10 6
10 Times)
0
0.5
1
5 10 6
10 Times)
Number of Operations ( x
Number of Operations ( x
Electrical Life Test
(Load: 5VDC/0.1 A Resistive, Drive: 5VDC 5 Hz 50% duty, at 85 degreeC, Sample: UA2-5NU n=10)
Operate Voltage Release Voltage 5
Operate Voltage (V) Release Voltage (V) Contact Resistance (mOhms)
Make Contact Breake Contact 200 100 50 20 10 0
4 3 2 1 0
0
0.5
1
0
0.5
1
Number of Operations ( x 10 6 Times)
Number of Operations ( x 10 6 Times)
Breakdown Voltage
Sample : UA2-5NU (a) Between open contact (sample : n=20) (b) Between adjacent contact (sample : n=10)
10
10
Sample Rate (n)
5
Sample Rate (n)
0.5 1.0
5
0
1.5
0
1.5
2.0
2.5
Breakdown Voltage (kV)
Breakdown Voltage (kV)
(c) Between coil to contact (sample : n=10)
10
Sample Rate (n)
5
0
1.5
2.0
2.5
2.6
Breakdown Voltage (kV)
DATA SHEET ER0450EJ2V0DS00
7
UA2/UB2 SERIES
Magnetic Interference
Drift of Operate Voltage (%)
+40 +30 +20 +10 0 -10 -20 -30 -40
Drift of Operate Voltage (%)
Drift of Operate Voltage
Drift of Operate Voltage +40 +30 +20 +10 0 -10 -20 -30 -40
I
II
III
IV
V
VI
I
II
III
IV
V
VI
Measurment sample ON ON ON OFF OFF OFF
I
II ON III OFF IV
Layout
ON ON ON V ON : emergized OFF : no emergized
3 mm
OFF OFF OFF VI
2.5 mm
Mounting space
8
DATA SHEET ER0450EJ2V0DS00
UA2/UB2 SERIES
TUBE PACKAGE (UA2, UB2)
Dimension of Package (Unit : mm) 50 pieces / Tube Material : Polyvinyl chloride (anti-static treated)
560.0
15.1
10.1
Outline of Package
Rubber stopper (Yellow)
Rubber stopper (Green)
Index Mark
TAPE PACKAGE (UB2)
APPEARANCE TAPE DIMENSION mm (inch)
1.75(0.069)
A 0.4 (0.016)
Reel
Top cover tape
2.0(0.079)
Embossed carrying tape
B
UB2-NU UB2-NUN A Max.9.4 (0.370) Max.9.5 (0.370) B 8.2 (0.323) 6.7 (0.264)
Relay orientation mark and tape carrying direction.
Orientation mark Orientation mark
Tape carrying direction
Carrying tape type Part number
L UB2-***-L
R UB2-****-R
15.5 (0.610)
2.2 (0.087)
11.5 (0.453) 24.0(0.945)
1.5 (0.054)
12.0(0.47)
4.0(0.157)
DATA SHEET ER0450EJ2V0DS00
9
UA2/UB2 SERIES
SOLDERING TEMPERATURE CONDITION
Through-hole mounting type (UA2) q Automatic soldering * Preheating * Solder time w Manual soldering * Solder temperature : 350C max. * Solder time : 3 seconds max. : 100C max. 1 minute max. : 10 seconds max. * Solder temperature : 250C max.
Surface mounting type (UB2)
IRS Method
T max.; 235 200
Temperature (C)
175 150 30 sec. 80 sec. 200 sec.
Time
Note: 1. Temperature profile shows printed circuit board surface temperature on the relay terminal portion. 2. Check the actual soldering condition to use other method except above mentioned temperature profiles.
10
DATA SHEET ER0450EJ2V0DS00
UA2/UB2 SERIES
GUIDE TO APPLICATIONS
1. When connecting coils, refer to the pin configuration to prevent misoperation or malfunction. 2. The latch type relay should be initialized at the appointed position (set or reset position) when using, and should be energized or deenergized to the specified polarity to avoid wrong operations by reversed contact state. 3. Ultrasonic cleaning is not recommended to keep contact performance reliable. Alcohol based solvents are available as proper solvents. 4. Pressurized stress on the relay cover may affect reliable operation. 5. Minimum contact load of the relay is 10 mVdc, 10 A. This value is a reference value in the resistance load. Minimum capacity changes depending on switching frequency and environment temperature and the load.
DATA SHEET ER0450EJ2V0DS00
11
UA2/UB2 SERIES
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, customers must incorporate sufficient safety measures in its design, such as redundancy, fire-containment, and antifailure 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, life 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 an NEC sales representative in advance. Anti-radioactive design is not implemented in this product.

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