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ST1-L2-DC3V View Datasheet(PDF) - Matsushita Electric Works

Part NameDescriptionManufacturer
ST1-L2-DC3V IC DRIVABLE PC BOARD RELAY FOR FIELD LOAD SWITCHING ST-RELAYS Nais
Matsushita Electric Works 
ST1-L2-DC3V Datasheet PDF : 3 Pages
1 2 3
VDE
ST-RELAYS IC DRIVABLE PC BOARD
RELAY FOR FIELD LOAD
SWITCHING
FEATURES
31
14
1.220
.551
• Sealed to meet the combination pro- • High switching capacity and high
11.3
cess of automatic wave soldering
sensitivity in subminiature size
.445
and cleaning needs
150 mW pick-up, 8 A inrush capacity:
• Latching types available
51 A for 1a1b, 35 A for 2a
• High shock and vibration resistance
Shock: 20 G, Vibration: 10 to 55 Hz at
mm inch
double amplitude of 2 mm
SPECIFICATIONS
Contacts
Arrangement
1 Form A
1 Form B
2 Form A
Contact material
Gold flash over silver alloy
Initial contact resistance, max.
30 m
Max. switching power
Rating
(resistive)
Max. switching voltage
Max. switching current
2,000 VA, 150 W
380 V AC, 30 V DC
8A
HP rating
1/4 HP 125, 250 V AC
Inrush current capability
51 A (TV-3 equivalence) for 1a1b
35 A (TV-1 equivalence) for 2a
Mechanical (at 180 cpm)
10 7
Expected
8 A 250 V AC (resistive)
life (min.
5 A 30 V DC (resistive)
operations) Electrical 3 A 100 V AC (lamp)
105
2 × 105
3 × 104
1 A 100 V AC (lamp)
3 × 104
Coil (polarized) (at 25°C 77°F)
Single side stable Nominal operating power
Approx. 240 mW
Latching
Nominal set and reset power Approx. 240 mW
Remarks
* Specifications will vary with foreign standards certification ratings.
*1 Measurement at same location as "Initial breakdown voltage" section
*2 Detection current: 10 mA
*3 Wave is standard shock voltage of ±1.2 × 50µs according to JEC-212-1981
*4 Excluding contact bounce time
*5 Half-wave pulse of sine wave: 11ms; detection time: 10µs
*6 Half-wave pulse of sine wave: 6ms
*7 Detection time: 10µs
*8 Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 61).
TYPICAL APPLICATIONS
Sequence controllers, facsimiles, telephone controls, remote
control security devices and security equipment.
Characteristics (at 25°C 77°F 50% Relative humidity)
Max. operating speed
20 cpm (at rated load)
Initial insulation resistance*1
1,000 M(at 500 V DC)
Initial
breakdown
voltage* 2
Between contact sets
Between open contacts
Between contacts and coil
2,000 Vrms
1,200 Vrms
3,750 Vrms
Surge voltage between coil and
contact* 3
Min. 6,000 V
Operate time*4
(at nominal voltage)
Max. 15 ms (Approx. 10 ms)
Release time (without diode)*4
(at nominal voltage)
Max. 10 ms (Approx. 8 ms)
Set time*4 (latching)
(at nominal voltage)
Max. 10 ms (Approx. 8 ms)
Reset time*4 (latching)
(at nominal voltage)
Max. 10 ms (Approx. 8 ms)
Temperature rise
(at 60°C)
Max. 55°C with nominal coil voltage
and at 8 A switching current
Shock
resistance
Functional* 5
Destructive*6
Min. 196 m/s2 {20 G}
Min. 980 m/s2 {100 G}
Vibration
resistance
Functional* 7
Destructive
117.6 m/s2 {12 G}, 10 to 55 Hz
at double amplitude of 2 mm
176.4 m/s2 {18 G}, 10 to 55 Hz
at double amplitude of 3 mm
Conditions for operation, Ambient
transport and storage*8 temp.
(Not freezing and condens-
ing at low temperature) Humidity
–40°C to +60°C
–40°Fto +140°F
5 to 85% R.H.
Unit weight
Approx. 10g .353 oz
ORDERING INFORMATION
Ex. ST 1
L2
DC48V
Contact arrangement
1: 1 Form A 1 Form B
2: 2 Form A
Operating function
Coil voltage
Nil: Single side stable
L2: 2 coil latching
DC 3, 5, 6, 9, 12,
24, 48 V
(Note) Standard packing: Carton; 50 pcs., Case; 500 pcs.
249
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