ET1-B3M1S NEC, ET1-B3M1S Datasheet - Page 2

• Manufacturer Part Number: ET1-B3M1S
• Description: General Purpose / Industrial Relays 1 FORM C SEALED
• Manufacturer: NEC
• Series: ET1r

Specifications of ET1-B3M1S

• Contact Form: 1 Form C (SPDT)
• Coil Voltage: 12 VDC
• Contact Rating: 25 A at 16 VDC
• Contact Termination: PCB
• Mounting Style: PCB
• Power Consumption: 0.64 W
• Contact Material: Silver Oxide Complex Alloy
• Coil Resistance: 225 Ohms
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DIMENSIONS mm (inch)
PCB PAD LAYOUT and SCHEMATICS (bottom view) mm (inch)
SPECIFICATIONS
Contact Form
Contact Material
Contact Resistance
Contact Switching Voltage
Contact Switching Current
Contact Carrying Current
Operate Time
Release Time
Nominal Operate Power
Insulation Resistance
Breakdown Voltage
Shock Resistance
Vibration Resistance
Ambient Temperature
Coil Temperature Rise
Life Expectancy
Weight
φ
( 0.063)
Items
φ
1.6
2- 1.1
( 0.043)
φ
φ
+0.1
–0
+0.1
–0
Mechanical
Electrical
(0.016 × 0.05)
*0.4 × 1.3
(0.02 × 0.04)
*2-0.6 × 1.1
*2- 0.6
( 0.02)
φ
φ
(0.04) 1.13
(0.15) 3.7
(0.29) 7.4
(0.42)
(0.47)
1 form c
Silver oxide complex alloy
4 mΩ typical (measured at 7 A) initial
16 Vdc max. 5 Vdc min.
25 A max. (at 16 Vdc)
35 A (2 minutes max. 12 Vdc at 20°C)
30 A (2 minutes max. 12 Vdc at 85°C)
2.5 ms typical (at nominal voltage) initial
3.0 ms typical (at nominal voltage. with diode) initial
640 mW
100 MΩ min. at 500 Vdc
500 Vac min. for 1 minute
98 m/s
10 to 300 Hz, 43 m/s
–40°C to +85°C (–40°F to +185°F)
70°C/W (contact carrying current 0 A)
1 × 10
1 × 10
Approx. 7.5 g
6
5
2
operations
operations (at 14 Vdc, Motor Load 20 A/3 A)
10.6
min. [misoperating]
12.0
14.0
(0.55)
2- 1.5
( 0.059)
φ
φ
±0.5
+0.1
–0
ET1
2
min. [misoperating]
Specification
AUTOMOTIVE RELAYS
* After soldering
40 A (2 minutes max. 12 Vdc at 20°C)
35 A (2 minutes max. 12 Vdc at 85°C)
30 A (2 minutes max. 12 Vdc at 125°C)
–40°C to +125°C (–40°F to +257°F)
1
12.8
(0.50)
2
±0.5
3
ET1F
4
5
At 20°C (68°F)
13