NF FORWARD
S T 3
E352915C US
Features
Ordering Information
DIL Pitch Terminals & SMT „L“ shaped terminals; High Sensitivity : 0.14W Nominal PowerConforms to FCC Part 68 1.5kV Surge and Dielectric 1000VACMonostable or bistable relays Single and double Coil magnet latching Type availableApplication for Telecommunication Equipment,Office Equipment,Security Alarm Systems, Measuring instruments,Medical Monitoring Equipment,Audio Visual Equipment, Flight Simulator,Sensor Control
CAUTION: 1.The use of any coil voltage less than the rated coil voltage will compromise the operation of the relay. 2.Pickup and release(reset) voltage are for test purposes only and are not to be used as design criteria.
P-005 5 12.5 178 3.75 0.5 0.14P-006 6 15.0 257 4.50 0.6 0.14P-009 9 22.5 579 6.75 0.9 0.14P-012 12 30.0 1028 9.00 1.2 0.14P-024 24 48.0 2880 18.0 2.4 0.20
Approx.2 Approx.1
Contact Data Contact Arrangement 2C DPDT(B-M) Bifurcated CrossbarContact Material AgPd(Gold clad )Contact Rating (resistive) 1A,2A/30VDC; 0.5A/125VACMax. Switching Power 60W 62.5VA Min. Switching load 0.01mA/10mV Reference Value
Max. Switching Voltage 220VDC 250VAC Max. Switching Current:2A
Contact Resistance or Voltage drop
Operationlife
5 1A/30VDC 2 10 5 0.5A/125VAC 1 10 Item 4.30 of IEC 61810-7
8 Mechanical 10 Item 4.31 of IEC 61810-7
50m Item 4.12 of IEC 61810-7
Electrical
Coil Parameter
Release /ResetTimems
Coil voltageVDC
Coil resistance10%
Pick up voltageVDC(max)
(75%of rated voltage )
Release voltageVDC(min)
(10% of rated voltage)
Coil power
W
Operate TimemsRated Max.
Dashnumbers
CAUTION: Relays previously tested or used above 10mA resistive at 6V maximum DC or peak AC open circuit are not recommended for subsequent use in low level applications.
ST3 002 SMH 122 3 4 51
1. Type:2. Contact arrangement:3. Contact material:
ST3 002 = 2C H = AgPd + Au Clad
4. Coil voltage:
5. Protection:
5 = 5VDC; 6 = 6VDC; 9 = 9VDC;12 = 12VDC; 24 = 24VDC;W = Sealed; SM = SMT Version;
CharacteristicsElectrostatic capacitance
Between open Contacts Approx.0.4pF Item 4.41 of IEC 61810-7
Between coil & Contacts Approx.0.9pF Item 4.41 of IEC 61810-7
Between Contact Poles Approx.0.2pF Item 4.41 of IEC 61810-7
Insulation Resistance 1000M min (at 500VDC) Item 7 of IEC 60255-5
Dielectric Strength
Between open Contacts 1000VAC 1min
Between coil & Contacts 1000VAC 1min
Item 6 of IEC 60255-5
Item 6 of IEC 60255-5
Item 6 of IEC 60255-5Between Contact Poles 1000VAC 1min
Surge Withstand Voltage
Between open Contacts 1500V FCC 68Between coil & Contacts 1500V FCC 68
Between Contact Poles 2500V FCC 68
ST3All specifications subject to change. Consult NF FORWARD for latest specifications: www.nfforward.com
V1910-1
14 X 9 X 5 (14 X 9 X 5.3)
NOTES 1).Dimensions are in millimeters.
2).Inch equivalents are given for general information only.
3 4 5
78 610 9
Single Side stable
21
Index mark(De-energized Position)
Wiring diagram(Bottom view)
Mounting (Bottom view)
0.1
0.04
2.54
Tolerance: 0.1/0.004
0.1
2.5
4
10- 1
mm/inchDimensions
Safety approvals
Safety approval UL&CUR
Load 1A,2A/30VDC, 0.5A/125VAC
Characteristics (continued)
Terminals strength 5N IEC 68-2-21 Test Ua1
Solderability 235 2 3s 0.5s IEC 68-2-20 Test Ta method 1
Mass Approx. 1.5g
Shock resistance2Functional:500m/s 11ms;
2Survival:1000 m/s 6msIEC 68-2-27 Test Ea
Vibration resistance10Hz~55Hz Double amplitudeFunctional 3mm Survival:5mm
IEC 68-2-6 Test Fc
Temperature Range -40~85 (-40 F~158 F)
THT Version
Index Mark
14.3max.
0.563max.
9.3
ma
x.
0.3
66
ma
x.
0.1
87
4.7
5
0.1
87
3.5
0.1
975
+0
.01
6
+0
.4
2.54
0.1
0.5
0.020.250.01
7.62
0.3
Dimensions
Stand-off
A
B
Index Mark
14.3max.
0.563max.
9.3
ma
x.
0.3
66
ma
x.
2.020.08
2.54
0.1
0.50.02
0.2
09
5.3
+0
.01
6
+0
.4
0.2
44
6.2
0.0
16
+0
.4
0.0
10
.25
0.37.62
0.453
11.50.020
Temporary glue Pad
Soldering Pad (for Terminal)
(for Stand-off A or B)
Tolerance 0.1/ 0.004
0.059
1.5 0.68
0.027 0.039
1
0.1
2.541.2
0.0470.024
0.6
9
.56
0.3
76
0.1
18
3
2
0.0
79
SMT Version
THT Version SMT Version
ST3All specifications subject to change. Consult NF FORWARD for latest specifications: www.nfforward.com
V1910-1
NF FORWARD
SOLDERING and MOUNTING RECOMMENDATIONS
a. In case of Infrared Soldering b. In case of Vapor Phase Soldering
Pick-up/Drop-Out Voltage(P)
Dis
trib
uti
on
(%)
50
40
30
20
10
00 10 20 30 40 50 60 70 80 90 100
Ratio to the Nominal Voltage(%)
Set/Reset Voltage(PL)
Dis
trib
uti
on
(%)
50
40
30
20
10
00 10 20 30 40 50 60 70 80 90 100
Ratio to the Nominal Voltage(%)
Dis
trib
uti
on
(%)
50
40
30
20
10
0 20 30 40 50 60
Contact Resistance(m )
Contact Resistance
Tim
e(m
s)
5
4
3
2
1
0 80 100 120 140 160
Coil applied Voltage(%)
Operate/Release Time(P)(without Diode)
0
Operate Time
Release Time
Tim
e(m
s)
5
4
3
2
1
0 80 100 120 140 160
Coil applied Voltage(%)
Operate/Release Time(P)(without Diode)
0
Operate Time
Release Time
Tim
e(m
s)
5
4
3
2
1
0 80 100 120 140 160
Coil applied Voltage(%)
Set/Reset Time(PL)
0
Set Time
Reset Time
Dis
trib
uti
on
(%)
100
80
60
40
20
0 0.5 1 1.5 2 2.5
Time(ms)
Operate/Release Time(P)
0
Operate
Release
Dis
trib
uti
on
(%)
100
80
60
40
20
0 1 2 0 21
Time(ms)
Set/Reset Time(PL)
0
Dis
trib
uti
on
(%)
105
80
60
40
20
0 80 100 120 160140
Coil applied Voltage(%)
Coil temperature rise(P)
0
1A
0A
n=50
Reset Time
Set Time
n=100
n=200n=100
Set Voltage
Reset Voltage
Time
T3
T2
T1
Fig.1
t1 t2
So
lde
rin
g T
em
pe
ratu
re
o oT1:+120 to+150 C(+248 to+302 F)o oT2:+180 to+200 C(+356 to+392 F)
o oT3:+265C(+500 F)Max.
t1:60 to 90 Sec.
T2:+30 Sec.Max.
Time
T3
T2
T1
Fig.2
t1 t2
So
lde
rin
g T
em
pe
ratu
re
o oT1:+120 to+150C(+248 to+302 F)
o oT2:+180 to+200C(+356 to+392 F)o oT3:+235C(+455 F)Max.
t1:+40 to 60 Ses
t2:+60 Sec. Max.
Stand-off B
Stand-off A
Stand-off B
Fig.3
1. Conditions for Terminal Soldering by reflow soldering method
2. Usage of Stand-Off A & B in Base Area
The Stand-Offs shown in the Fig. 3 are designed toAnchor Relays temporarily to PC Board with glue beforeTerminal Soldering.
n=100
Pick-upDrop-Out
ST3All specifications subject to change. Consult NF FORWARD for latest specifications: www.nfforward.com
V1910-1
NF FORWARD
Co
nta
ct C
urr
en
t(A
)
5.0
0.7
Contact Voltage(V)
Maximum Switching Power
AC resistive
DC resistive
3.0
2.0
1.0
0.5
0.4
0.3
0.2
0.110 20 30 50 70 100 200 300
Co
nta
ct C
urr
en
t(A
)
500
Contact Current(A)
Life Curve
30V DC resistive
0
125V AC resistive
300
200
100
70
50
30
20
10
00.2 0.4 0.6 0.8 1.0
Imm
ers
ion T
ime
(Se
c)
20
Permissibleimmersion timein soldering balth
Soldering Conditionof Terminals
200 250 300 350
20
16
14
12
10
8
6
4
2
0400
Temperature of Soldering Balth()
Ra
tio t
o t
he N
om
ina
l Vo
lta
ga
2.6
Ambient Temperature( )
Operating range(P)(140mW Coil)
0 20 40 60 80 100
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0
Hot Coil
Cool CoilPick-up Voltage
Ra
tio t
o t
he N
om
ina
l Vo
lta
ga
2.6
Ambient Temperature( )
Operating range(P)(200mW Coil)
0 20 40 60 80 100
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0
Hot Coil
Cool CoilPick-up Voltage
Va
ria
tio
n r
ati
o(%
)
Ambient Temperature( )
Characteristics ofAmbient temperature(P-5)
-40
30
20
10
0
-10
Drop-Out Volltage
Pick-up Voltage
-20
-30
-20 0 20 40 60 80
Va
ria
tio
n r
ati
o(%
)
Ambient Temperature( )
Characteristics ofAmbient temperature(PL-5)
-40
30
20
10
0
-10
Drop-Out Volltage
Set Voltage
-20
-30
-20 0 20 40 60 80
Pick-Up
Drop-Out
Electrical Life Test P-5(n=10) 1A 30VDC Resistive
4Number of Operations( 10)
Vo
lta
ge
(V)
Co
nta
ct
R
es
ista
nc
e(m
)
5
4
3
2
1
0200
100
70
50
30
20
100 5 10 20 40
Pick-Up
Drop-Out
Electrical Life Test P-5(n=10) 0.5A 125VDC Resistive
4Number of Operations( 10)
Vo
lta
ge
(V)
Co
nta
ct
R
es
ista
nc
e(m
)
5
4
3
2
1
0200
100
70
50
30
20
100 2 5 10 20
Pick-Up
Drop-Out
Mechanical Life Test P-5(n=10)
4Number of Operations( 10)
Vo
lta
ge
(V)
Co
nta
ct
R
es
ista
nc
e(m
)
5
4
3
2
1
0200
100
70
50
30
20
100 5 10 50 1001
DisclaimerAll technical performance data apply to the relay as such, specific conditions of the individual application are not considered. Please always check the suitability of the relay for your intended purpose.We do not assume any responsibility or liability for not complying herewith. We recommend to complete our questionnaire and to request our technical service. Any responsibility for the application of the product remains with the customer only. All specifications are subject to change without notification. All rights of NF Forward GmbH & NF Forward USA Inc. are reserved.
ST3V1910-1
NF FORWARD