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RA Relays

Lineup
- RA Relays 1 GHz capable, 3 W carrying power (at 1 GHz), 50 Ω, 2 Form C relays
- RD Coaxial Switches 26.5 GHz max. coaxial switches coming in SPDT, Transfer, and SP6T types
- RJ Relays 8 GHz max. capable, 1 W carrying power ( at 5 GHz ), 50 Ω impedance and 2 Form C relays
- RN Relays 8 GHz max. capable, 150 W carrying power ( at 2 GHz ), compact SMD type, 50 Ω impedance and 1 Form C relays
- RS Relays 3 GHz capable, 10 W carrying power (at 3 GHz), 50/75 Ω, 1 Form C Relays
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FAQ

Basic Information

Part Number

Rating/Performance

Dimensions

Coil data

Operating characteristics such as ‘Operate voltage’ and ‘Release voltage’ are influenced by mounting conditions, ambient temperature, etc.
Therefore, please use the relay within ±5% of rated coil voltage.
‘Initial’ means the condition of products at the time of delivery.

1.Single side stable

Rated coil voltage	Operate voltage * (at 20°C)	Release voltage * (at 20°C)	Rated operating current (±10%, at 20°C)	Coil resistance (±10%, at 20°C)	Rated operating power	Max. allowable voltage (at 20°C)
1.5 V DC	Max. 75% V of rated coil voltage (Initial)	Min. 10% V of rated coil voltage (Initial)	93.8 mA	16 Ω	140 mW	150% V of rated coil voltage
3 V DC			46.7 mA	64.3 Ω
4.5 V DC			31 mA	145 Ω
5 V DC			28.1 mA	178 Ω
6 V DC			23.3 mA	257 Ω
9 V DC			15.5 mA	579 Ω
12 V DC			11.7 mA	1,028 Ω
24 V DC			8.3 mA	2,880 Ω	200 mW
48 V DC			6.3 mA	7,680 Ω	300 mW	120% V of rated coil voltage

*	Square, pulse drive

2.1 coil latching

Rated coil voltage	Set voltage* (at 20°C)	Reset voltage* (at 20°C)	Rated operating current (±10%, at 20°C)	Coil resistance (±10%, at 20°C)	Rated operating power	Max. allowable voltage (at 20°C)
1.5 V DC	Max. 75% V of rated coil voltage (Initial)	Max. 75% V of rated coil voltage (Initial)	46.9 mA	32 Ω	70 mW	150% V of rated coil voltage
3 V DC			23.3 mA	128.6 Ω
4.5 V DC			15.6 mA	289.3 Ω
5 V DC			14 mA	357 Ω
6 V DC			11.7 mA	514 Ω
9 V DC			7.8 mA	1,157 Ω
12 V DC			5.8 mA	2,057 Ω
24 V DC			4.2 mA	5,760 Ω	100 mW

*	Square, pulse drive

3.2 coil latching

Rated coil voltage	Set voltage* (at 20°C)	Reset voltage* (at 20°C)	Rated operating current (±10%, at 20°C)	Coil resistance (±10%, at 20°C)	Rated operating power	Max. allowable voltage (at 20°C)
1.5 V DC	Max. 75% V of rated coil voltage (Initial)	Max. 75% V of rated coil voltage (Initial)	93.8 mA	16 Ω	140 mW	150% V of rated coil voltage
3 V DC			46.7 mA	64.3 Ω
4.5 V DC			31 mA	145 Ω
5 V DC			28.1 mA	178 Ω
6 V DC			23.3 mA	257 Ω
9 V DC			15.5 mA	579 Ω
12 V DC			11.7 mA	1,028 Ω
24 V DC			8.3 mA	2,880 Ω	200 mW

*	Square, pulse drive

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Specifications

Item		Specifications
Contact data	Contact arrangement	2 Form C
	Contact resistance (initial)	Max. 75 mΩ (by voltage drop 6 V DC 1 A)
	Contact material	Ag alloy / Au-clad Ag alloy
	Contact rating (resistive)	10 mA 10 V DC, 1 A 30 V DC
	Contact input power (CW)	3 W (1 GHz, 50 Ω, V.S.W.R. Max. 1.2)
	Max. switching voltage	30 V DC
	Max. switching current	1 A (DC)
Insulation resistance (initial)		Min. 100 MΩ (at 500 V DC, Measured portion is the same as the case of dielectric strength.)
Dielectric strength (initial)	Between open contacts	750 Vrms for 1 min (detection current: 10 mA)
	Between contact and coil	1,000 Vrms for 1 min (detection current: 10 mA)
	Between contact sets	1,000 Vrms for 1 min (detection current: 10 mA)
	Between contact and earth terminal	1,000 Vrms for 1 min (detection current: 10 mA)
Time characteristics (initial)	Operate (set) time	Max. 4 ms at rated coil voltage (at 20 °C, without bounce) [Max. 4 ms (at 20 °C, without bounce)]
Time characteristics (initial)	Release (reset) time	Max. 4 ms at rated coil voltage (at 20°C, without bounce, without diode) [Max. 4 ms (at 20 °C, without bounce)]
Shock resistance	Functional	500 m/s²(half-sine shock pulse: 11 ms, detection time: 10 μs)
Shock resistance	Destructive	1,000 m/s²(half-sine shock pulse: 6 ms)
Vibration resistance	Functional	10 to 55 Hz (at double amplitude of 3 mm, detection time: 10 μs)
Vibration resistance	Destructive	10 to 55 Hz (at double amplitude of 5 mm)
Expected life	Mechanical life (Cold switch)	Min. 100 x 10⁶ (switching frequency: 180 times/min)
Conditions	Conditions for usage, transport and storage *	Ambient temperature: -40 to +85 °C (-40 to +70 °C at our standard packing condition) Humidity: 5 to 85% RH (Avoid icing and condensation)
Unit weight		Approx. 2 g