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EA2-3SNU Datasheet, PDF (3/8 Pages) NEC – COMPACT AND LIGHTWEIGHT
EA2 SERIES
PART NUMBER SYSTEM
EA2 – 3 S NU
Nil : Standard type
NU : UL recognized, CSA certified type
NJ : Trimmed leads type ∗
NP : Silver-palladium alloy contact (with gold alloy overlay) ∗
∗ UL recognized, CAS certified type
Latch type
Nil : Non-latch type (standard type)
S : Single coil latch type
T : Double coil latch type
Nominal coil voltage
3, 4.5, 5, 6, 9, 12, 24 Volts
EA2 series
PERFORMANCE CHARACTERISTICS
Contact Form
Contact rating
Initial contact resistance
Contact material
Nominal operating Power
Maximum switching power
Maximum switching voltage
Maximum switching current
Maximum carrying current
Minimum contact ratings
Non-latch type and double coil latch type
2 form c
30 W (resistive)
62.5 VA (resistive)
220 Vdc
250 Vac
1A
2A
10 mVdc, 10 µA ∗1
50 mΩ typ. (Initial)
Silver alloy with gold alloy overlay
140 mW (3 to 12 V)
200 mW (24 V)
Single coil Latch type
100 mW (3 to 12 V)
150 mW (24 V)
79 mW (3 to 12 V)
Minimum operating Power Non-latch type and double coil latch type
113 mW (24 V)
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
56 mW (3 to 12 V)
85 mW (24 V)
Approximately 2 ms without diode
Approximately 1 ms without diode
1000 MΩ at 500 Vdc
1000 Vac (for one minute)
1500 V surge (10 × 160 µs ∗2)
735 m / s2 (75 G) (misoperating)
980 m / s2 (100 G) (destructive failure)
Vibration resistance
10 to 55 Hz at double amplitude of 3 mm (20 G)
(misoperating)
10 to 55 Hz, at double amplitude of 5 mm (30 G)
(destructive failure)
Ambient temperature
–40°C to 85°C
Coil temperature rise
Noload
18 degrees at nominal coil voltage
1 × 108 operations (Non-latch type) ∗3
Running specifications
1 × 107 operations (latch type)
Load
50 Vdc 0.1 A (resistive), 1 × 106 operations at 85˚C, 2 Hz
10 Vdc 10 mA (resistive), 1 × 106 operations at 85˚C, 2 Hz
Weight
Approximately 1.5 grams
∗1 This value is a reference value in the resistance load.
Minimum capacity changes depending on seitching frequency and environment temperature and the load.
∗2 Rise time : 10 µs, fall time : 160 µs
∗3 This shows a number of operation where it can be running by which a fatal defect is not caused, and a number of
operation by which a steady characteristic is maintained is 1 × 107 times.
DATA SHEET ER0001EJ6V0DS00
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