DATA SHEET
MINIATURE SIGNAL RELAY
UA2/UB2 SERIES NE TYPE
Low power consumption, Super-compact size, Slim-package,
Surface-mounting type available
DESCRIPTION
NEC TOKIN's NE TYPE of UA2/UB2 series is a low-power consumption relay.
FEATURES
Small mounting size of slim package for dense mounting.
Low power consumption 100 mW
Telcordia (2500 V) and FCC (1500 V) surge capability.
IEC60950/UL1950/EN60950 spacing and high breakdown voltage.
(Basic insulation class on 200 V working voltage)
APPLICATIONS
Electronic switching systems, PBX, terminal equipment, telephone system.
For Correct 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/TOKIN's "Miniature Relays" when you choose relays for your application.
The information in this document is subject to change without notice.
Document No. 0616EMDD03VOL02E
Date Published May 2005 P
Printed in Japan
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© NEC TOKIN Corporation 2002
UA2/UB2 SERIES NE TYPE
DIMENSIONS AND PAD LAYOUTS
(Unit : mm [inch])
UA2 SERIES
●
STANDARD
UB2 SERIES
●
STANDARD
●
MINIMUM FOOTPRINT TYPE
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UA2/UB2 SERIES NE TYPE
PIN CONFIGURATIONS
(bottom view)
UA2 SERIES
UB2 SERIES
MARKINGS
(top view)
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UA2/UB2 SERIES NE TYPE
PERFORMANCE CHARACTERISTICS
(Community)
Contact Form
Maximum Switching Power
Maximum Switching Voltage
Maximum Switching Current
Maximum Carrying Current
2 Form c
30 W (resistive)
220 Vdc
1A
1A
37.5 VA (resistive)
250 Vac
Contact Ratings
Minimum Contact Ratings
Initial Contact Resistance
Contact Material
Nominal Operating Power
Operate Time (Excluding Bounce)
Release Time (Excluding Bounce)
Insulation Resistance
Breakdown Voltage
Shock Resistance
Vibration Resistance
Ambient Temperature
Coil Temperature Rise
No-load
Running specifications
Weight
＊1
＊2
＊3
＊4
10 mV.dc, 10
µA
＊4
100 mΩ Max. (Initial)
Silver alloy with gold alloy overlay
100 mW
Approximately 2 ms
Approximately 1 ms without diode
1000 MΩ at 500 Vdc
1000 Vac for one minute (1500 V surge, 10 × 160
µs
＊1
)
1500 Vac for one minute (2500 V surge, 2 × 10
µs
＊2
)
2
735 m / s (misoperating)
2
980 m / s (destructive failure)
10 to 55 Hz at double amplitude of 3 mm
(misoperating)
10 to 55 Hz, double amplitude of 5 mm
(Destructive failure)
- 40 to +85°C
12 degrees at nominal coil voltage (100 mW)
5 × 10
＊3
operations
5
30 Vdc 1 A (resistive), 1 × 10 operations at 20°C
5
125 Vac 0.3 A (resistive), 1 × 10 operations at 20°C
Approximately 1 grams
7
Between Open Contacts
Between Adjacent Contacts
Between Coil and Contact
Load
rise time : 10
µs,
decay time to half crest : 160
µs
rise time : 2
µs,
decay time to half crest : 10
µs
This shows a number of operation where it can be running by which a fatal is not caused, and number of operation by
7
which a steady characteristic is maintained is 1 × 10 operations.
This value is a reference value in the resistive load.
Minimum capacity changes depending on seitching frequency and environment 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 : UL840
Spacing : CSAstd950
＊
☆
RECOMMENDED RELAY DRIVE CONDITIONS
Drive under conditions. If it is impossible, please inquire to NEC/TOKIN
Nonlatch type
(Low power
consmuption)
Pulse height : within ±5% at nominal voltage
Square pulse (rise and fall time is rapidly)
Ambient temperature
–40
∼
+85°C
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UA2/UB2 SERIES NE TYPE
PART NUMBER SYSTEM
NOMINAL LINEUP
Non-latch Type
Nominal Coil
Voltage
(Vdc)
3
4.5
5
Coil
Resistance
(Ω) ±10 %
90
202.5
250
Must Operate
Voltage
(Vdc)
2.25
3.38
3.75
Must Release
Voltage
(Vdc)
0.3
0.45
0.5
at 20°C
Nominal
operate power
(mW)
100
100
100
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