Discontinuation Notice
Discontinuation date:
Date of last order:
31.12.2012
30.06.2012
AZ8521
Recommended replacement:
AZ852
MICROMINIATURE
POLARIZED RELAY
FEATURES
• Conforms to IEC60950/UL60950/EN60950
spacing and high breakdown voltage
Supplementary insulation
mains voltage 250 Vrms (SMT); 200 Vrms (THT)
Pollution Degree 2 (external); 1 (internal)
• Monostable and bistable (latching) coil versions available
• High dielectric and surge voltage:
2.5 KV surge (per Bellcore TA–NWT–001089)
2.5 KV surge (per FCC Part 68)
1,000 Vrms, open contacts
• Stable contact resistance for low level signal switching
• Epoxy sealed
• UL, CUR pending
CONTACTS
GENERAL DATA
Arrangement
DPDT (2 Form C)
Bifurcated crossbar contacts
Life Expectancy
Mechanical
Electrical
Minimum operations
1 x 108
1 x 105 at 0.5 A, 125 VAC, Res.
1 x 105 at 2.0 A, 30 VDC, Res.
Ratings
Resistive load:
Max. switched power: 60 W or 62.5 VA
Max. switched current: 2.0 A
Max. switched voltage: 220 VDC* or 250 VAC
Operate Time
(typical)
1 ms at nominal coil voltage
Release Time (typical) 1 ms at nominal coil voltage
* Note: If switching voltage is greater than 30 VDC,
special precautions must be taken.
Please contact the factory.
(with no coil suppression)
Bounce (typical)
Capacitance
At 10 mA contact current
1 ms at operate or release
Rated Load
UL/CUR
0.5 A at125 VAC
2.0 A at 30 VDC
0.24 A at 220 VDC
< 2 pF at 10 KHz - coil to contacts
< 1 pF at 10 KHz - between open contacts
< 2 pF at 10 KHz - between contact sets
Material
Palladium Ruthenium; gold clad
Dielectric Strength
(at sea level)
See table
Resistance
< 50 milliohms initially at 20 mV, 10 mA
Dropout
Greater than 10% of nominal coil voltage
COIL (Polarized)
Insulation Resistance 109 ohms min. at 25°C, 500 VDC,
Power
50% RH
At Pickup Voltage
(typical)
79 mW (3–12 VDC)
98 mW (24 VDC)
Ambient Temperature At nominal coil voltage
Operating
Storage
•40°C (•40°F) to 85°C (185°F)
•40°C (•40°F) to 105°C (221°F)
Max. Continuous
Dissipation
0.73 W at 20°C (68°F)
Vibration
Operational, 20 g, 10–1,000 Hz
Temperature Rise
At nominal coil voltage
21°C (38°F) (3–12 VDC)
30°C (54°F) (24 VDC)
Shock
Operational, 50 g min., 11 ms
Non-destructive, 500 g min., 0.5 ms
Temperature
Max. 115°C (239°F)
Enclosure
P.B.T. polyester, UL 94 V-0
Terminals
Tinned copper alloy, P.C.
NOTES
Max. Solder Temp.
260°C (500°F)
1. All values at 20°C (68°F).
Max. Solder Time
Weight
10 seconds
0.8 grams
2. Relay may pull in with less than “Must Operate” value.
3. Relay has fixed coil polarity.
4. Specifications subject to change without notice.
5. Ultrasonic cleaning is not recommended.
Packing unit in pcs
50 per plastic tube, 1000 per carton box
1000 per reel, 1000 or 5000 per carton box
Junkersstrasse 3, D-82178 Puchheim, Germany
Tel. +49 89 800 97 0
Fax +49 89 800 97 200
office@ZETTLERelectronics.com
www.ZETTLERelectronics.com
2005-03-11
EU
