Reed Relays 8L Series


	Economy DIP Reed Relays The Coto 8L Spartan Series relays combine Coto quality and economy in the industry standard 14 pin molded DIP package. This series will cross to all competitive DIP packages and is ideal for telecom, security, and other general purpose applications.

		8L Series Features u Drop-in low cost replacement for industry standard DIP packages. u Contact Forms: 1A, 2A, 1B and 1C available u Available coils in 5V, 12V and 24V u Molded thermoset body on integral lead frame design. u Hermetically Sealed Contacts. u Optional Electrostatic Shield and Coil Supression Diode u UL File # E67117


	8L Series Mechanicals

		Dimensions in Inches (Millimeters)


	(For Model #'s 8L01, 8L02, 8L21 & 8L41)


	(For Model # 8L61)


	8L Series Specifications Table

Model Number			8L01^2,3,41 Form A	8L02^2,3,42 Form A	8L21^2,3,41 Form B	8L41^2,3,41 Form C	8L61^{2,3,4, 5}1 Form C SMD
Parameters	Test Conditions	Units
COIL SPECS.
Nom. Coil Voltage		VDC	5 12 24	5 12 24	5 12 24	5 12 24	5 12
Max. Coil Voltage		VDC	6.5 15 32	6.5 15 32	6.5 15 32	6.5 15 32	6.5 15
Coil Resistance	+/- 10%, 25° C	W	500 500 2150	200 500 2000	200 500 2000	200 500 2000	200 500
Operate Voltage	Must Operate by	VDC - Max.	3.8 9.6 19.2	3.8 9.6 19.2	3.8 9.6 19.2	3.8 9.6 19.2	3.8 9.6
Release Voltage	Must Release by	VDC - Min.	0.5 1.0 2.0	0.5 1.0 2.0	0.5 1.0 2.0	0.5 1.0 2.0	0.5 1.0
CONTACT RATINGS
Switching Voltage	Max DC/Peak AC Resist.	Volts	200	200	200	100	100
Switching Current	Max DC/Peak AC Resist.	Amps	0.5	0.5	0.5	0.25	0.25
Carry Current	Max DC/Peak AC Resist.	Amps	1.0	1.0	1.0	0.5	0.5
Contact Rating	Max DC/Peak AC Resist.	Watts	10	10	10	3	3
Life Expectancy-Typical ¹	Signal Level 1.0V,10mA	x 10⁶ Ops.	500	500	500	100	100
Static Contact Resistance (max. init.)	50mV, 10mA	W	0.150	0.150	0.150	0.200	0.200
Dynamic Contact Resistance (max. init.)	0.5V, 50mA at 100 Hz, 1.5 msec	W	N/A	N/A	N/A	N/A	0.250
RELAY SPECIFICATIONS
Insulation Resistance (minimum)	Between all Isolated Pins at 100V, 25°C, 40% RH	W	10¹⁰	10¹⁰	10⁹	10⁹	10⁹
Capacitance - Typical Across Open Contacts	No Shield Shield Floating Shield Guarding	pF pF pF	0.5 1.0 0.5	0.5 0.5 0.2	0.5 0.5 0.2	1.5 1.5 1.0	1.5 1.5 1.0
Open Contact to Coil	No Shield Shield Floating Shield Guarding	pF pF pF	1.5 2.0 0.5	1.5 2.0 0.5	2.5 2.0 1.5	1.5 2.0 0.5	1.5 2.0 0.5
Contact to Shield	Contacts Open, Shield Floating	pF	2.0	1.5	2.0	2.0	2.0
Dielectric Strength (minimum)	Between Contacts Contacts to Shield Contacts/Shield to Coil	VDC/peak AC VDC/peak AC VDC/peak AC	250 1500 1500	250 1500 1500	250 1500 1500	200 1500 1500	200 1500 1500
Operate Time - including bounce - Typical	At Nominal Coil Voltage, 30 Hz Square Wave	msec.	0.5	0.5	0.5	1.0	1.0
Release Time - Typical	Diode Suppression⁶ No Suppression	msec. msec.	1.0 0.5	1.0 0.5	1.0 0.5	1.5 1.0	1.5 1.0


	Top View Dot stamped on top of relay refers to pin #1 location Grid = .1" x .1" (2.54mm x 2.54mm)

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Notes:
¹Consult factory for life expectancy at other switching loads.
²Molded depression on top of relay refers to pin # 1 location.
³Optional coil suppression diode across pins 2(+) and 6(-).
⁴ Optional ES Shield is tied to pin 9.
⁵Surface mount processing temperature: 260°C max for 1 minute dwell time. Temperature measured on leads where lead exits molded package.
⁶Consists of 56V Zener diode and 1N4148 diode in series, connected in parallel with coil.




		Environmental Ratings Storage Temp: -35 °C to +100 °C Operating Temp: -20 °C to + 85 °C Solder Temp: 270°C max; 10 sec. max The operate and release voltage and the coil resistance are specified at 25 °C. These values vary by approximately 0.4%/°C as the ambient temperature varies. Vibration: 20 G's to 2000 Hz; Shock: 50 G's


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