219
S-RELAYS
4 AMP POLARIZED HIGH
DENSITY RELAY WITH HIGH
SENSITIVITY
mm
inch
28.0
1.102
12.0
.472
10.4
.409
FEATURES
A variety of contact arrangements 2
Form A 2 Form B, 3 Form A 1 Form B,
4 Form A
Latching types available
High sensitivity in small size 100 mW
pick-up and 200 mW nominal operating
power
High shock and vibration resistance
Shock: 50 G Vibration: 10 to 55 Hz at
double amplitude of 3 mm
.118 inch
Wide switching range From 100
100 mV DC to 4 A 250 V AC
Low thermal electromotive force Ap-
prox. 3
μ
V
Dual-In-Line packaging arrangement
Amber types available
μ
A
SPECIFICATIONS
Contacts
Coil (polarized) (at 20
°
C
68
°
F
)
Characteristics (at 25
°
C
77
°
F
50% Relative humidity)
20 cpm for maximum load,
50 cps for low-level load
(1 mA 1 V DC)
10,000 M
750 Vrms
1,000 Vrms
Arrangement
2 Form A 2 Form B,
3 Form A 1 Form B,
4 Form A
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A)
Initial contact pressure
Contact material
Electrostatic capacitance
Thermal electromotive force
(at nominal coil voltage)
Nominal switching capacity
Maximum switching power
50 m
Approx. 12 g
.42 oz
Gold clad silver alloy
Approx. 3pF
Approx. 3
μ
V
Rating
(resistive)
4 A 250 V AC, 3 A 30 V DC
1,000 VA, 90 W
250 V AC, 30 V DC
(48 VDC at less than 0.5 A)
4 A (AC), 3 A (DC)
100
μ
A 100 m V DC
10
10
2
×
10
Maximum switching voltage
Max. switching current
Min. switching capacity**
Mechanical (at 50 cps)
1
Expected
life (min.
operations)
8
Electrical
(at 20 cpm)
4 A 250 V AC
3 A 30 V DC
5
5
Single side
stable
Minimum operating power
Nominal operating power
Minimum set and reset
Nominal set and reset
Approx. 100 mW
Approx. 200 mW
Approx. 100 mW
Approx. 200 mW
Latching
Max. operating speed
Initial insulation resistance*
Between open contacts
Between contact sets
Between contacts and
coil
Operate time*
(at nominal voltage)(at 20
Release time (without diode)*
(at nominal voltage)(at 20
Set time*
(latching)
(at nominal voltage)(at 20
Reset time*
(latching)
(at nominal voltage)(at 20
Initial contact bounce, max.
1
at 500 V DC
Initial
breakdown
voltage*
2
1,500 Vrms
3
°
C)
Max. 15 ms (Approx. 8 ms)
3
°
C)
Max. 10 ms (Approx. 5 ms)
3
°
C)
Max. 15 ms (Approx. 8 ms)
3
°
C)
Max. 15 ms (Approx. 8 ms)
1 ms
Temperature rise
(at nominal voltage)(at 20
°
C)
Max. 35
voltage and at maximum
switching current
Min. 490 m/s
Min. 980 m/s
176.4 m/s
{18 G}, 10 to 55 Hz
at double amplitude of 3 mm
235.2 m/s
{24 G}, 10 to 55 Hz
at double amplitude of 4 mm
–40
°
C to +65
–40
°
F to +149
°
C with nominal coil
Shock resistance
Functional*
Destructive*
4
2
{50 G}
{100 G}
5
2
Vibration resistance
Functional*
6
2
Destructive
2
Conditions for operation,
transport and storage*
(Not freezing and condens-
ing at low temperature)
Unit weight
7
Ambient
temp.
°
C
°
F
Humidity
5 to 85% R.H.
Approx. 8 g
.28 oz
Notes:
**
This value can change due to the switching frequency, environmental conditions,
and desired reliability level, therefore it is recommended to check this with the ac-
tual load.
Remarks
* Specifications will vary with foreign standards certification ratings.
*
Measurement at same location as "Initial breakdown voltage "section
*
Detection current: 10mA
*
Excluding contact bounce time
*
Half-wave pulse of sine wave: 11ms; detection time: 10
*
Half-wave pulse of sine wave: 6ms
*
Detection time: 10
μ
s
*
Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 61).
1
1
2
3
4
μ
s
5
6
7
TYPICAL APPLICATIONS
Telecommunications equipment, data processing equipment,
facsimiles, alarm equipment, measuring equipment.