PA
THE SLIM POWER RELAY
PA-RELAYS
FEATURES
20
.787
5
.197
12.5
.492
mm
inch
• Slim size (width 5 mm
.197 inch,
height 12.5 mm
.492 inch)
permits higher density
mounting
• Wide switching capacity: Control from 100
µ
A 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/s
2
{15 G}
• SIL (single in line) terminal layout
• Reinforced according to IEC1131-2 (TÜV)
SPECIFICATIONS
Contacts
(at 20
°
C
68
°
F)
Characteristics
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)
Temperature rise
Shock resistance
120 mW
180 mW
Functional*
5
Destructive*
6
Functional*
7
Vibration resistance
Destructive
20 cpm at rated load
Min. 1,000 M
Ω
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/s
2
{15 G}
Min. 980 m/s
2
{100 G}
Min. 147 m/s
2
{15 G}, 10 to 55 Hz
at double amplitude of 2.5 mm
Min. 205.8 m/s
2
{21 G}, 10 to 55 Hz
at double amplitude of 3.5 mm
Arrangement
1a
Contact material
Gold-clad silver alloy
Initial contact resistance, max.
30 m
Ω
(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
100
µ
A, 100 mV DC
2
×
10
7
Expected life
Mechanical
(min.
3 A 250 V AC, 3 A 30 V DC, 10
5
Electrical (at 20 cpm)
operations)
5 A 250 V AC, 5 A 30 V DC, 5
×
10
4
Coil (at 25
°
C
77
°
F,
50% R.H.)
Nominal operating
power
Remarks
* 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
×
50
µ
s according to JEC-212-1981
*
4
Excluding contact bounce time
*
5
Half-wave pulse of sine wave: 11ms; detection time: 10
µ
s
*
6
Half-wave pulse of sine wave: 6ms
*
7
Detection time: 10
µ
s
*
8
Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 61).
5 to 18 V DC
24 V DC
Conditions for operation,
Ambient
8
temp.
transport and storage*
(Not freezing and condens-
Humidity
ing at low temperature)
Unit weight
–40
°
C to +70
°
C
–40
°
F to +158
°
F
5 to 85%R.H.
Approx. 3 g
.15 oz
TYPICAL APPLICATIONS
• Interface relays for programmable controllers
• Output relays for measuring equipment, timers, counters and
temperature controllers
• Industrial equipment, office equipment
ORDERING INFORMATION
Ex. PA
1a
12V
Coil voltage (DC)
5, 6, 9, 12, 18, 24V
Contact arrangement
1a: 1 Form A
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
(at 20
°
C
68
°
F)
Drop-out
voltage,*
V DC (min.)
0.25
0.3
0.45
0.6
0.9
1.2
Nominal opera-
ting 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
Nominal
voltage,
V DC
5
6
9
12
18
24
Pick-up
voltage,*
V DC (max.)
3.5
4.2
6.3
8.4
12.6
16.8
214
PA
DIMENSIONS
1. PA relay
1.3
.051
8.8
.346
0.5
.020
1.2
.047
12.5
2.9 (12.8 max.)
.114 .492
(.504 max.)
3.5
.138
5
.197
2.54
.100
0.5
.020
10.16
.400
20
.787
5.08
.200
0.8
.031
1.11
.044
0.25
.010
1.18
.046
2.54
.100
1.0 dia.
.039 dia.
1.0 dia.
.039dia.
1.2 dia.
.047 dia.
1.2 dia.
.047 dia.
mm
inch
PC board pattern (Copper-side view)
6 4.8
.237 .189
10.16
.400
5.08
.200
Tolerance:
±
0.1
±
.004
Schematic (Bottom view)
General tolerance:
±
0.3
±
.012
N.O. COM
Coil
2. Socket
Standard type
5
+0.2
–0.6
.197
±.008
–.024
Self clinching type
5
+0.2
–0.6
.197
±.008
–.024
2.54
.100
9
±0.6
.354
±.024
5.3
±0.6
.209
±.024
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
(0.3)
(.012)
5.08
.200
2.54
.100
1.3
±0.15
.051
±.006
PC board pattern
(Copper-side view)
6
1
2
3
4
±0.6
5
6
1
2
3
4
±0.6
5
Standard type
10.16
.400
2-1 dia.
2-.039 dia.
5.08
.200
22.6
.890
±.024
22.6
.890
±.024
9
±0.6
.354
±.024
5.3
±0.6
.209
±.024
2-1.2 dia.
2-.047 dia.
Self clinching type
10.16
.400
5.08
.200
PA1a-PS
4
.157
0.5
.020
2.54
.100
6.35
.250
0.8
.031
3.81
.150
(0.3)
(.012)
5.08
.200
3.81
.150
2-0.8
±0.25
dia.
2-.031
±002
dia.
2-1.2
±0.05
dia.
2-.047
±002
dia.
PA1a-PS
PA1a-PS-H
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
100
No. of operations,
×10
4
90
Temperature rise,
°C
80
70
60
50
40
30
20
10
20 30 50 100 200 300
Contact voltage, V
0.5
1
2 3 5 10
Swiching capacity, A
100
0
100
110 120 130 140 150
Coil applied voltage, %V
5A
3A
2A
0A
Contact current, A
AC resistive load
5
4
3
2
1
0.5
0.4
0.3
0.2
DC resistive load
100
50
30
20
10
AC 125 V resistive load
DC 30 V resistive load
AC 250 V resistive load
3.-(2) Coil temperature rise (180 mW)
Sample: PA1a-24V
Ambient temperature: 20
°
C
68
°
F
Measured portion: Inside the coil
100
4.-(1) Operate & release time (120 mW)
Sample: PA1a-12V
No. of samples: n = 20
4.-(2) Operate & release time (180 mW)
Sample: PA1a-24V
No. of samples: n = 20
10
Operate & release time, ms
Operate & release time, ms
9
8
7
6
5
4
3
2
1
100
110 120 130 140 150
Coil applied voltage, %V
0
80
Release time
Max.
x
Min.
Max.
x
Min.
90
100 110 120
Coil applied voltage, %V
Operate time
10
9
8
7
6
5
4
3
2
1
0
80
Release time
Max.
x
Min.
Max.
x
Min.
Operate time
90
Temperature rise,
°C
80
70
60
50
40
30
20
10
0
5A
3A
2A
0A
90
100 110 120
Coil applied voltage, %V
215
PA
5. Ambient temperature characteristics
Sample: PA1a-12V
No. of samples: n = 6
40
Rate of
change, %
30
20
10
Drop-out voltage
–40
–20
0
–10
–20
–30
–40
20
50
75
980m/s
2
Z’
Pick-up voltage
X
Z
6. Malfunctional shock
Sample: PA1a-12V
No. of samples: n = 6
Z’Y’
Y
Y
980m/s
2
80
60
40
20
20
40
60
80
100
Y’
Deenergized
condition
Energized
condition
Z
980m/s
2
X’
X
980m/s
2
Ambient
temperature,
°C
980m/s
2
X’
NOTES
1. Specification values for pick-up and
drop-out voltages are for the relay mount-
ing with its terminals below.
100
90
80
70
Voltage, %V
60
50
40
30
20
10
0
Mounting
direction
Drop-out voltage
Max.
–
x
Min.
Pick-up voltage
Max.
–
x
Min.
2. When mounting the relays within 1 mm.
.039 inch
, please notice the condition be-
low.
1) Mount the relays in the same direction.
Within 1 mm
.039 inch
3) Allowable contact current is 2 A.
4) About the electrical life for close mount-
ing, please refer to data below.
3.0
2.0
Contact current, A
AC resistive load
1.0
DC resistive load
0.5
0.4
0.3
0.2
2) Coil terminals (Terminal No. 1 & 2) po-
larity should be arranged in the same di-
rection.
20
30
50
100
Contact voltage, V
200 300
–.
+.
–.
+.
–.
+.
–.
+.
–.
+.
+.
–.
+.
–.
+.
–.
+.
–.
+.
–.
No. of operations,
×10
4
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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