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
µ
A
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
SPECIFICATIONS
Contacts
Coil (polarized) (at 20
°
C 68
°
F)
Characteristics (at 25
°
C 77
°
F 50% Relative humidity)
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)
50 m
Ω
Initial contact pressure Approx. 12 g .42 oz
Contact material Gold clad silver alloy
Electrostatic capacitance Approx. 3pF
Thermal electromotive force
(at nominal coil voltage)
Approx. 3
µ
V
Rating
(resistive)
Nominal switching capacity 4 A 250 V AC, 3 A 30 V DC
Maximum switching power 1,000 VA, 90 W
Maximum switching voltage
250 V AC, 30 V DC
(48 VDC at less than 0.5 A)
Max. switching current 4 A (AC), 3 A (DC)
Min. switching capacity**
1
100
µ
A 100 m V DC
Expected
life (min.
operations)
Mechanical (at 50 cps) 10
8
Electrical
(at 20 cpm)
4 A 250 V AC 10
5
3 A 30 V DC 2
×
10
5
Single side
stable
Minimum operating power Approx. 100 mW
Nominal operating power Approx. 200 mW
Latching
Minimum set and reset Approx. 100 mW
Nominal set and reset Approx. 200 mW
Max. operating speed
20 cpm for maximum load,
50 cps for low-level load
(1 mA 1 V DC)
Initial insulation resistance*
1
10,000 M
Ω
at 500 V DC
Initial
breakdown
voltage*
2
Between open contacts 750 Vrms
Between contact sets 1,000 Vrms
Between contacts and
coil
1,500 Vrms
Operate time*
3
(at nominal voltage)(at 20
°
C)
Max. 15 ms (Approx. 8 ms)
Release time (without diode)*
3
(at nominal voltage)(at 20
°
C)
Max. 10 ms (Approx. 5 ms)
Set time*
3
(latching)
(at nominal voltage)(at 20
°
C)
Max. 15 ms (Approx. 8 ms)
Reset time*
3
(latching)
(at nominal voltage)(at 20
°
C)
Max. 15 ms (Approx. 8 ms)
Initial contact bounce, max. 1 ms
Temperature rise
(at nominal voltage)(at 20
°
C)
Max. 35
°
C with nominal coil
voltage and at maximum
switching current
Shock resistance
Functional*
4
Min. 490 m/s
2
{50 G}
Destructive*
5
Min. 980 m/s
2
{100 G}
Vibration resistance
Functional*
6
176.4 m/s
2
{18 G}, 10 to 55 Hz
at double amplitude of 3 mm
Destructive
235.2 m/s
2
{24 G}, 10 to 55 Hz
at double amplitude of 4 mm
Conditions for operation,
transport and storage*
7
(Not freezing and condens-
ing at low temperature)
Ambient
temp.
–40
°
C to +65
°
C
–40
°
F to +149
°
F
Humidity 5 to 85% R.H.
Unit weight Approx. 8 g .28 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 ac-
tual load.
Remarks
* Specifications will vary with foreign standards certification ratings.
*
1
Measurement at same location as "Initial breakdown voltage "section
*
2
Detection current: 10mA
*
3
Excluding contact bounce time
*
4
Half-wave pulse of sine wave: 11ms; detection time: 10
µ
s
*
5
Half-wave pulse of sine wave: 6ms
*
6
Detection time: 10
µ
s
*
7
Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 61).
TYPICAL APPLICATIONS
Telecommunications equipment, data processing equipment,
facsimiles, alarm equipment, measuring equipment.
