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Signal Relays
G6A-4 PCB Relay
Fully Sealed Relay with High Impulse Dielectric for Use in Telecommunications Equipment
- High sensitivity can be driven by digital circuits.
- Horizontal design allows use in 1/2-inch PCB racks.
- Impulse withstand voltage meets FCC Part 68 requirements.
- Relays can be mounted side-by-side due to low magnetic leakage.
- Single- and double-winding latching relays also available.
- Special models available for low thermoelectro-motive force.
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Single-side Stable Type
| Contact |
Ag + Au-clad |
AgPd + Au-clad |
| General purpose |
DPDT |
G6A-274P-ST-US |
G6A-234P-ST-US |
| 4PDT |
G6A-474P-ST-US |
G6A-434P-ST-US |
| Low-sensitivity |
DPDT |
G6A-274P-ST40-US |
G6A-234P-ST40-US |
| 4PDT |
G6A-474P-ST40-US |
G6A-434P-ST40-US |
Single-winding Latching Type
| Contact |
Ag + Au-clad |
AgPd + Au-clad |
| General purpose |
DPDT |
G6AU-274P-ST-US |
G6AU-234P-ST-US |
| 4PDT |
G6AU-474P-ST-US |
G6AU-434P-ST-US |
Double-winding Latching Type
| Contact |
Ag + Au-clad |
AgPd + Au-clad |
| General purpose |
DPDT |
G6AK-274P-ST-US |
G6AK-234P-ST-US |
| 4PDT |
G6AK-474P-ST-US |
G6AK-434P-ST-US |
| Low-sensitivity |
DPDT |
G6AK-274P-ST40-US |
G6AK-234P-ST40-US |
| 4PDT |
G6AK-474P-ST40-US |
G6AK-434P-ST40-US |
| Note: |
When ordering, add the rated coil voltage to the model number. |
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Example: G6A-274P-ST-US |
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Coil Ratings
General-purpose, 4PDT Relays
| Rated voltage |
3 VDC |
4.5 VDC |
5 VDC |
6 VDC |
9 VDC |
12 VDC |
24 VDC |
48 VDC |
| Rated current |
120 mA |
79.9 mA |
72.5 mA |
60 mA |
40 mA |
30 mA |
15 mA |
7.5 mA |
| Coil resistance |
25 Ω |
56.3 Ω |
69 Ω |
100 Ω |
225 Ω |
400 Ω |
1,600 Ω |
6,400 Ω |
| Coil inductance (H) (ref. value) |
Armature OFF |
0.05 |
0.11 |
0.14 |
0.2 |
0.45 |
0.8 |
3.2 |
12.8 |
| Armature ON |
0.045 |
0.095 |
0.12 |
0.17 |
0.38 |
0.68 |
2.7 |
10.9 |
| Must operate voltage |
70% max. of rated voltage |
| Must release voltage |
10% min. of rated voltage |
| Max. voltage |
150% of rated voltage at 23ºC |
| Power consumption |
Approx. 360 mW |
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Low-sensitivity 4PDT Relays
| Rated voltage |
3 VDC |
4.5 VDC |
5 VDC |
6 VDC |
9 VDC |
12 VDC |
24 VDC |
48 VDC |
| Rated current |
133.3 mA |
88.9mA |
80 mA |
66.7 mA |
44.3 mA |
33.3 mA |
16.7 mA |
8.3 mA |
| Coil resistance |
22.5 Ω |
50.6 Ω |
62.5 Ω |
90 Ω |
203 Ω |
360 Ω |
1,440 Ω |
5,760 Ω |
| Coil inductance (H) (ref. value) |
Armature OFF |
0.035 |
0.1 |
0.12 |
0.17 |
0.42 |
0.7 |
2.8 |
10.2 |
| Armature ON |
0.02 |
0.07 |
0.09 |
0.13 |
0.3 |
0.52 |
2.2 |
8.6 |
| Must operate voltage |
70% max. of rated voltage |
| Must release voltage |
10% min. of rated voltage |
| Max. voltage |
150% of rated voltage at 23ºC |
| Power consumption |
Approx. 400 mW |
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Single-winding Latching, 4PDT Relays
| Rated voltage |
3 VDC |
4.5 VDC |
5 VDC |
6 VDC |
9 VDC |
12 VDC |
24 VDC |
48 VDC |
| Rated current |
106.8 mA |
71.2 mA |
64 mA |
53.3 mA |
35.6 mA |
26.7 mA |
13.3 mA |
6.7 mA |
| Coil resistance |
28.1 Ω |
63.2 Ω |
78.1 Ω |
112.5 Ω |
253 Ω |
450 Ω |
1,800 Ω |
7,200 Ω |
| Coil inductance (H) (ref. value) |
Armature OFF |
0.03 |
0.06 |
0.08 |
0.11 |
0.25 |
0.45 |
1.8 |
7 |
| Armature ON |
0.02 |
0.04 |
0.06 |
0.08 |
0.18 |
0.32 |
1.3 |
5.2 |
| Must operate voltage |
70% max. of rated voltage |
| Must release voltage |
70% max. of rated voltage |
| Max. voltage |
150% of rated voltage at 23ºC |
| Power consumption |
Approx. 320 mW |
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Double-winding Latching, 4PDT Relays
| Rated voltage |
3 VDC |
4.5 VDC |
5 VDC |
6 VDC |
9 VDC |
12 VDC |
24 VDC |
48 VDC |
| Rated current |
106.8 mA |
71.2 mA |
64 mA |
53.3 mA |
35.6 mA |
26.7 mA |
13.3 mA |
6.7 mA |
| Coil resistance |
28.1 Ω |
63.2 Ω |
78.1 Ω |
112.5 Ω |
253 Ω |
450 Ω |
1,800 Ω |
7,200 Ω |
| Coil inductance (H) (ref. value) |
Set |
Armature OFF |
0.03 |
0.06 |
0.08 |
0.11 |
0.25 |
0.45 |
1.8 |
7 |
| Armature ON |
0.02 |
0.04 |
0.06 |
0.08 |
0.18 |
0.32 |
1.3 |
5.2 |
| Reset |
Armature OFF |
0.02 |
0.04 |
0.06 |
0.08 |
0.18 |
0.32 |
1.3 |
5.2 |
| Armature ON |
0.03 |
0.06 |
0.08 |
0.11 |
0.25 |
0.45 |
1.8 |
7 |
| Must operate voltage |
70% max. of rated voltage |
| Must release voltage |
70% max. of rated voltage |
| Max. voltage |
150% of rated voltage at 23ºC |
| Power consumption |
Approx. 320 mW |
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Double-winding Latching,Low-sensitivity 4PDT Relays
| Rated voltage |
3 VDC |
4.5 VDC |
5 VDC |
6 VDC |
9 VDC |
12 VDC |
24 VDC |
48 VDC |
| Rated current |
120 mA |
79.9 mA |
72.5 mA |
60 mA |
40 mA |
30 mA |
15 mA |
7.5 mA |
| Coil resistance |
25 Ω |
56.3 Ω |
69 Ω |
100 Ω |
225 Ω |
400 Ω |
1,600 Ω |
6,400 Ω |
| Coil inductance (H) (ref. value) |
Set |
Armature OFF |
0.02 |
0.045 |
0.065 |
0.09 |
0.18 |
0.3 |
1.2 |
4.4 |
| Armature ON |
0.015 |
0.035 |
0.05 |
0.075 |
0.14 |
0.23 |
0.82 |
3.2 |
| Reset |
Armature OFF |
0.015 |
0.035 |
0.05 |
0.075 |
0.14 |
0.23 |
0.82 |
3.2 |
| Armature ON |
0.02 |
0.045 |
0.065 |
0.09 |
0.18 |
0.3 |
1.2 |
4.4 |
| Must operate voltage |
70% max. of rated voltage |
| Must release voltage |
70% max. of rated voltage |
| Max. voltage |
150% of rated voltage at 23ºC |
| Power consumption |
Approx. 360 mW |
| Note: 1. |
The rated current and coil resistance are measured at a coil temperature of 23ºC with a tolerance of ±10%. |
| 2. |
Operating characteristics are measured at a coil temperature of 23ºC. |
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Contact Ratings
| Item |
G6A-434P-ST(40)-US |
G6A-474P-ST(40)-US |
| Load |
Resistive load (cosφ = 1) |
Inductive load(cosφ = 0.4 ; L/R = 7ms) |
Resistive load (cosφ = 1) |
Inductive load(cosφ = 0.4 ; L/R = 7ms) |
| Rated load |
0.3 A at 125 VAC;
1 A at 30 VDC |
0.2 A at 125 VAC;
0.5 A at 30 VDC |
0.5 A at 125 VAC;
2 A at 30 VDC |
0.3 A at 125 VAC;
1 A at 30 VDC |
| Contact material |
AgPd(Au-clad) |
Ag(Au-clad) |
| Rated carry current |
3A |
| Max. switching voltage |
250 VAC, 220 VDC |
| Max. switching current |
2A |
1A |
2A |
1A |
| Max. switching power |
125 VA, 60 W |
62.5 VA, 30 W |
125 VA, 60 W |
62.5 VA, 30 W |
Failure rate
(reference value) |
0.01 mA at 10 mVDC |
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| Item |
G6AK-434P-ST(40)-US/
G6AU-434P-ST-US |
G6AK-474P-ST(40)-US/
G6AU-474P-ST-US |
| Load |
Resistive load (cosφ = 1) |
Inductive load(cosφ = 0.4 ; L/R = 7ms) |
Resistive load (cosφ = 1) |
Inductive load(cosφ = 0.4 ; L/R = 7ms) |
| Rated load |
0.3 A at 125 VAC;
1 A at 30 VDC |
0.2 A at 125 VAC;
0.5 A at 30 VDC |
0.5 A at 125 VAC;
2 A at 30 VDC |
0.25 A at 125 VAC;
1 A at 30 VDC |
| Contact material |
AgPd(Au-clad) |
Ag(Au-clad) |
| Rated carry current |
3A |
3A |
| Max. switching voltage |
250 VAC, 220 VDC |
250 VAC, 220 VDC |
| Max. switching current |
2A |
1A |
2A |
1A |
| Max. switching power |
125 VA, 60 W |
62.5 VA, 30 W |
125 VA, 60 W |
62.5 VA, 30 W |
Failure rate
(reference value) |
0.01 mA at 10 mVDC |
0.01 mA at 10 mVDC |
| Note: P level: λ60 = 0.1 × 10-6/operation |
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Characteristics
| Contact resistance |
50 mΩ max. |
| Operate (set) time |
Single-side stable types:
DPDT :5 ms max. (mean value: approx. 3 ms)
4PDT :7 ms max. (mean value: approx. 3.8 ms)
Latching types:
DPDT :5 ms max. (mean value: approx. 2.5 ms)
4PDT :7 ms max. (mean value: approx. 3.3 ms) |
| Release (reset) time |
Single-side stable types:
DPDT :3 ms max. (mean value: approx. 1.2 ms)
4PDT :5 ms max. (mean value: approx. 1.3 ms)
Latching types:
DPDT :5 ms max. (mean value: approx. 2.5 ms)
4PDT :7 ms max. (mean value: approx. 2.7 ms) |
| Bounce time |
Operate: mean value: approx. 0.5 ms
Release: mean value: approx. 0.5 ms |
| Min. set/reset signal width |
DPDT :7 ms min.
4PDT :15 ms min. |
| Max. operating frequency |
Mechanical: 36,000 operations/hr
Electrical: 1,800 operations/hr (under rated load) |
| Insulation resistance |
1,000 MΩ min. (at 500 VDC) ; except for set-reset |
| Dielectric strength |
1,000 VAC, 50/60 Hz for 1 min between coil and contacts
1,000 VAC, 50/60 Hz for 1 min between contacts of different polarity
1,000 VAC, 50/60 Hz for 1 min between contacts of same polarity
250 VAC, 50/60 Hz for 1 min between set and reset coils |
| Impulse withstand voltage |
1,500 V (10 × 160 µs) (conforms to FCC Part 68) |
| Vibration resistance |
| Destruction: |
10 to 55 to 10 Hz, 2.5-mm single amplitude
(5-mm double amplitude) |
| Malfunction: |
10 to 55 to 10 Hz, 1.65-mm single amplitude
(3.3-mm double amplitude) |
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| Shock resistance |
Destruction: 1,000 m/s2 (approx. 100G)
Malfunction: DPDT:500 m/s2 (approx. 50G)
4PDT, Latching type 300 m/s2 (approx. 30G) |
| Endurance |
| Mechanical: |
100,000,000 operations min.
(at 36,000 operations/hr) |
| Electrical: |
500,000 operations min. (at 1,800 operations/hr) |
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| Ambient temperature |
Operating: -40ºC to 70ºC
(with no icing) |
| Ambient humidity |
Operating: 5% to 85% |
| Weight |
4PDT : Approx. 6 g |
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| Note:The data shown above are initial values. |
| Note: |
1. All units are in millimeters unless otherwise indicated.
2. Orientation marks are indicated as follows: |
G6A-434P-ST(40)-US,
G6A-474P-ST-US
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Mounting Holes(Bottom VIEW)
Tolerance:±0.1mm
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Terminal Arrangement/Internal Connections
(Bottom VIEW)
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G6AK-434P-ST(40)-US,
G6AK-474P-ST(40)-US
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Mounting Holes(Bottom VIEW)
Tolerance:±0.1mm
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Terminal Arrangement/Internal Connections
(Bottom VIEW)
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G6AU-434P-ST-US,
G6AU-474P-ST-US
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Mounting Holes(Bottom VIEW)
Tolerance:±0.1mm
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Terminal Arrangement/Internal Connections
(Bottom VIEW)
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