Panasonic TN Relay manual Reference Data, Specifications, Maximum switching capacity, Life curve

TN

3) 2 coil latching

			Nominal operating		Coil resistance			Nominal operating
Nominal coil	Set voltage	Reset voltage	current							Max. allowable voltage
					[±10%] (at 20°C 68°F)			power
voltage	(at 20°C 68°F)	(at 20°C 68°F)	[±10%] (at 20°C 68°F)							(at 20°C 68°F)
			Set coil	Reset coil	Set coil	Reset coil		Set coil	Reset coil
3V DC			66.7mA	66.7mA	45Ω	45Ω
4.5V DC			44.4mA	44.4mA	101.2Ω	101.2Ω
5V DC	75%V or less of	75%V or less of	40mA	40mA	125Ω	125Ω		200mW	200mW	150%V of
6V DC			33.3mA	33.3mA	Ω	180	Ω			nominal voltage
	nominal voltage*	nominal voltage*			180
9V DC			22.2mA	22.2mA	405Ω	405Ω
	(Initial)	(Initial)
12V DC			16.7mA	16.7mA	720Ω	720Ω
24V DC			12.5mA	12.5mA	1,920Ω	1,920Ω		300mW	300mW	120%V of
										nominal voltage
*Pulse drive (JIS C 5442-1986)

2. Specifications

Characteristics		Item	Specifications
	Arrangement		2 Form C
Contact	Initial contact resistance, max.		Max. 60 mΩ (By voltage drop 6 V DC 1A)
	Contact material		Ag+Au clad
	Nominal switching capacity (resistive load)		1 A 30 V DC, 0.5 A 125 V AC
	Max. switching power (resistive load)		30 W (DC), 62.5 VA (AC)
	Max. switching voltage		110 V DC,125 V AC
Rating	Max. switching current		1 A
	Min. switching capacity (Reference value)*1		10∝A 10mV DC
	Nominal operating	Single side stable	140 mW (3 to 12 V DC), 200 mW (24 V DC), 300 mW (48 V DC)
		1 coil latching	100 mW (3 to 12 V DC), 150 mW (24 V DC)
	power
		2 coil latching	200 mW (3 to 12 V DC), 300 mW (24 V DC)
	Insulation resistance (Initial)		Min. 1,000MΩ (at 500V DC)
			Measurement at same location as “Initial breakdown voltage” section.
	Breakdown voltage	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)
	(Initial)
		Between contact sets	1,000 Vrms for 1 min. (Detection current: 10 mA)
Electrical	Surge breakdown	Between open contacts	1,500 V (10⋅160∝s) (FCC Part 68)
characteristics	voltage (Initial)
	Temperature rise (at 20°C 68°F)		Max. 50°C
			(By resistive method, nominal voltage applied to the coil; contact carrying current: 1A.)
	Operate time [Set time] (at 20°C 68°F)		Max. 3 ms [Max. 3 ms] (Nominal voltage applied to the coil, excluding contact bounce time.)
	Release time [Reset time] (at 20°C 68°F)		Max. 3 ms [Max. 3 ms] (Nominal voltage applied to the coil, excluding contact bounce time.)
			(without diode)
	Shock resistance	Functional	Min. 490 m/s2 (Half-wave pulse of sine wave: 11 ms; detection time: 10∝s.)
Mechanical		Destructive	Min. 980 m/s2 (Half-wave pulse of sine wave: 6 ms.)
characteristics		Functional	∝
	Vibration resistance		10 to 55 Hz at double amplitude of 3 mm (Detection time: 10 s.)
		Destructive	10 to 55 Hz at double amplitude of 5 mm
Expected life	Mechanical		Min. 108 (at 180 cpm)
	Electrical		Min. 2⋅105 (1 A 30 V DC resistive), Min. 105 (0.5 A 125 V AC resistive) (at 20 cpm)
	Conditions for operation, transport and storage*2		Ambient temperature: –40°C to 70°C –40°F to 158°F;
Conditions			Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature)
	Max. operating speed (at rated load)		20 cpm
Unit weight			Approx. 1.5 g .053 oz

Notes: *1 This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the actual load. (SX relays are available for low level load switching [10V DC, 10mA max. level])

*2 Refer to 6. Conditions for operation, transport and storage mentioned in AMBIENT ENVIRONMENT.

REFERENCE DATA

1. Maximum switching capacity

DC load (cosϕ=1)

AC load (cosϕ=1)

A
current,	1.0
Switching	0.5
	0.4
	0.3
	0.2
	30	100	200
		Switching voltage,V

2. Life curve

4					30 V DC resistive load
⋅10	100
of operations,
					125 V AC resistive load
No.
	10
		0	0.5		1.0
				Switching current, A

3. Mechanical life

Tested sample: TN2-12V, 10 pcs.
%V	100
voltage,	90
	80
rated	70		Pick-up voltage
the	60				Max.
against	50				Min.
	40
Ratio
	30		Drop-out voltage		Max.
	20
	10				Min.
	0	10	100	1,000	10,000
			No. of operations, ⋅104

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