PA
PA-RELAYS
THE SLIM POWER RELAY
FEATURES
• Slim size (width 5 mm .197 inch, height 12.5 mm .492 inch) permits higher density
mounting
• Wide switching capacity: Control from 100µA 100 mV to 5 A 250 V AC, 30 V DC
• High sensitivity: 120 mW (Nominal) (5 to 18 V DC type)
• High surge voltage (4000 V) and high breakdown voltage (2000 V)
• Shock & vibration resistance (functional): Min. 147m/s2 {15 G}
• SIL (single in line) terminal layout
• Reinforced according to IEC1131-2 (TÜV)
5
.197
20
.787
12.5
.492
mm inch
SPECIFICATIONS
(at 20°C 68°F)
Contacts
Characteristics
Arrangement
1a
Contact material
Gold-clad silver alloy
Initial contact resistance, max.
30 mΩ
(By voltage drop 6 V DC 1 A)
Nominal switching capacity
5 A 250 V AC, 5 A 30 V DC
Maximum switching power
750 VA, 90 W
Rating
Maximum switching voltage
250 V AC, 110 V DC
(resistive)
Max. switching current
5A
Min. switching capacity
100µA, 100 mV DC
2×107
Expected life Mechanical
(min.
3 A 250 V AC, 3 A 30 V DC, 105
operations) Electrical (at 20 cpm)
5 A 250 V AC, 5 A 30 V DC, 5×104
Max. operating speed
Initial insulation resistance*1
Initial break- Between open contacts
down
Between contacts and coil
voltage*2
Surge voltage between contacts and
coil*3
Operate time*4 (at nominal voltage)
Release time (without diode)*4
(at nominal voltage)
Coil (at 25°C 77°F, 50% R.H.)
Shock resistance
Nominal operating
power
5 to 18 V DC
24 V DC
120 mW
180 mW
Temperature rise
Functional*5
Destructive*6
Functional*7
Vibration resistance
Remarks
Destructive
* Specifications will vary with foreign standards certification ratings.
*1 Measurement at same location as "Intial breakdown voltage" section
*2 Detection current: 10mA
*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
Conditions for operation,
Ambient
temp.
transport and storage*8
(Not freezing and condensHumidity
ing at low temperature)
Unit weight
20 cpm at rated load
Min. 1,000 MΩ at 500 V DC
1,000 Vrms
2,000 Vrms
4,000 V
Approx. 6 ms
Approx. 3 ms
Max. 45°C with nominal coil voltage across
coil and at nominal switching capacity
Min. 147 m/s2 {15 G}
Min. 980 m/s2 {100 G}
Min. 147 m/s2 {15 G}, 10 to 55 Hz
at double amplitude of 2.5 mm
Min. 205.8 m/s2 {21 G}, 10 to 55 Hz
at double amplitude of 3.5 mm
–40°C to +70°C –40°F to +158°F
5 to 85%R.H.
Approx. 3 g .15 oz
ORDERING INFORMATION
• Interface relays for programmable controllers
• Output relays for measuring equipment, timers, counters and
temperature controllers
• Industrial equipment, office equipment
Ex. PA
1a
12V
Contact arrangement
Coil voltage (DC)
1a: 1 Form A
5, 6, 9, 12, 18, 24V
Note: Standard packing: Tube: 25 pcs.; Case: 1,000 pcs.
UL/CSA, TÜV approved type is standard.
TYPES AND COIL DATA
Part No.
PA1a-5VV
PA1a-6VV
PA1a-9VV
PA1a-12V
PA1a-18V
PA1a-24V
*1 Pulse driving
214
Nominal
voltage,
V DC
5
6
9
12
18
24
(at 20°C 68°F)
Pick-up
voltage,*
V DC (max.)
3.5
4.2
6.3
8.4
12.6
16.8
Drop-out
voltage,*
V DC (min.)
0.25
0.3
0.45
0.6
0.9
1.2
Nominal operating current,
mA (±10%)
24
20
13.3
10
6.7
7.5
Nominal
operating power,
mW
120
120
120
120
120
180
Coil
resistance,
Ω (±10%)
208
300
675
1,200
2,700
3,200
Max. allowable
voltage,
V DC
6
7.2
10.8
14.4
21.6
28.8
PA
DIMENSIONS
mm inch
1. PA relay
8.8
.346
PC board pattern (Copper-side view)
0.5
.020
1.3
.051
6 4.8
.237 .189
3.5
.138
5
.197
0.5
.020
10.16
.400
20
.787
2.54
.100
2.54
.100
5.08
.200
0.8
.031
1.11
.044
0.25
.010
1.18
.046
Standard type
1
2
3
Self clinching type
4
5
6
5+0.2
–0.6
.197±.008
–.024
1
2
3
4
5
PC board pattern
(Copper-side view)
6
5+0.2
–0.6
.197±.008
–.024
Standard type
22.6±0.6
.890±.024
2.54
.100
9±0.6
.354±.024
5.3±0.6
.209±.024
0.5
.020
0.8
.031
2.54
.100
6.35
.250
3.81
.150
0.25
.010
1.23
.048
1±0.25
.039±.010
1.23
.048
3.9
.154
0.5
.020
2.54
.100
6.35
.250
0.8
.031
3.81
.150
(0.3)
(.012)
5.08
.200
5.08
.200
2-1.2 dia.
2-.047 dia.
Self clinching type
2.54
.100
1.3±0.15
.051±.006
10.16
.400
5.08
.200
2-0.8±0.25 dia.
2-.031±002 dia.
PA1a-PS-H
PA1a-PS
10.16
.400
2-1 dia.
2-.039 dia.
5.3±0.6
.209±.024
(0.3)
(.012)
5.08
.200
Tolerance: ±0.1 ±.004
N.O. COM
9±0.6
.354±.024
4
.157
5.08
.200
Coil
22.6±0.6
.890±.024
PA1a-PS
10.16
.400
Schematic (Bottom view)
General tolerance: ±0.3 ±.012
2. Socket
1.2 dia.
.047 dia.
1.2 dia.
.047 dia.
1.0 dia.
.039 dia.
1.0 dia.
.039dia.
1.2
.047 12.5
2.9 (12.8 max.)
.114 .492
(.504 max.)
2-1.2±0.05 dia.
2-.047±002 dia.
Tolerance: ±0.1 ±.004
REFERENCE DATA
1. Max. switching capacity
2. Life curve
3.-(1) Coil temperature rise (120 mW)
Sample: PA1a-12V
Ambient temperature: 20°C 68°F
Measured portion: Inside the coil
AC resistive load
5
4
3
2
1
DC resistive load
90
Temperature rise, °C
No. of operations, ×104
Contact current, A
100
100
50
30
20
10
70
60
50
5A
3A
2A
0A
40
30
AC 125 V resistive load
DC 30 V resistive load
AC 250 V resistive load
0.5
0.4
0.3
0.2
80
20
10
20 30 50 100 200 300
Contact voltage, V
0.5
1
2 3 5 10
Swiching capacity, A
0
100
100
110 120 130 140 150
Coil applied voltage, %V
3.-(2) Coil temperature rise (180 mW)
4.-(1) Operate & release time (120 mW)
4.-(2) Operate & release time (180 mW)
Sample: PA1a-24V
Ambient temperature: 20°C 68°F
Measured portion: Inside the coil
Sample: PA1a-12V
No. of samples: n = 20
Sample: PA1a-24V
No. of samples: n = 20
9
80
70
60
50
40
5A
3A
2A
0A
30
20
8
7
6
4
3
1
0
0
110 120 130 140 150
Coil applied voltage, %V
Release time
Max.
x
Min.
Max.
x
Min.
2
10
100
Operate time
5
80
90
100 110 120
Coil applied voltage, %V
Operate & release time, ms
10
9
Operate & release time, ms
10
90
Temperature rise, °C
100
8
7
6
Operate time
5
4
3
Release time
2
1
0
80
Max.
x
Min.
Max.
x
Min.
90
100 110 120
Coil applied voltage, %V
215
PA
5. Ambient temperature characteristics
6. Malfunctional shock
Sample: PA1a-12V
No. of samples: n = 6
Sample: PA1a-12V
No. of samples: n = 6
Rate of
change, %
40
30
20
X
Pick-up voltage
Z
Z’Y’
Y
80
X’
60
40
20
X
980m/s2
10
Drop-out voltage
–40
–20
20
0
–10
–20
50
75
Z
980m/s2
20
40
60
80
980m/s2
Z’
Ambient
temperature, °C
Deenergized
condition
Energized
condition
Y
980m/s2
–30
980m/s2
X’
100
Y’
–40
NOTES
1. Specification values for pick-up and
drop-out voltages are for the relay mounting with its terminals below.
100
2. When mounting the relays within 1 mm.
.039 inch , please notice the condition below.
1) Mount the relays in the same direction.
3.0
Within 1 mm
.039 inch
90
2.0
Voltage, %V
Pick-up voltage
60
Contact current, A
80
70
3) Allowable contact current is 2 A.
4) About the electrical life for close mounting, please refer to data below.
Max.
–
x
Min.
50
40
DC resistive load
1.0
0.5
0.4
0.3
30
20
AC resistive load
Drop-out voltage
10
0
Max.
–
x
Min.
0.2
2) Coil terminals (Terminal No. 1 & 2) polarity should be arranged in the same direction.
20
30
50
100
Contact voltage, V
200 300
–.
+.
–.
+.
–.
+.
–.
+.
–.
+.
+.
–.
+.
–.
+.
–.
+.
–.
+.
–.
No. of operations, ×104
Mounting
direction
100
50
40
30
20
AC 125V
resistive load
DC 30 V
resistive load
AC 250 V
resistive load
10
0.5
1.0
2.0
3.0
Switching capacity, A
For Cautions for Use, see Relay Technical Information (Page 48 to 76).
216
9/1/2000
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