TESTING
SMALL POLARIZED RELAY
WITH HIGH SENSITIVITY
14
.551
TF-RELAYS
FEATURES
9
.354
• Minimal magnetic interference allows
high density mounting
• Sealed construction allows automatic
cleaning
• Self-clinching terminal also available
• High sensitivity:
80 mW Nominal operating power (Single
side stable 3-12 V type)
• Surge voltage withstand: 1500 V FCC
Part 68
7.8
.307
mm inch
SPECIFICATIONS
Contact
Characteristics
Arrangement
2 Form C
Initial contact resistance, max.
50 mΩ
(By voltage drop 6 V DC 1 A)
Contact material
Gold-clad silver
Nominal switching
1 A 30 V DC, 0.5 A 125 V AC
capacity (resistive load)
Max. switching power
30 W, 62.5 VA
(resistive load)
Rating
Max. switching voltage
110 V DC, 125 V AC
Max. switching current
1A
Min. switching capacity ❇1
10 µA 10 mV DC
80 mW (3 to 12 V DC)
Single side stable
140 mW (24 V DC)
260 mW (48 V DC)
Nominal
operating
55 mW (3 to 12 V DC)
1 coil latching
power
100 mW (24 V DC)
110 mW (3 to 12 V DC)
2 coil latching
200 mW (24 V DC)
Mechanical (at 180 cpm)
108
1 A 30 V DC resistive load
Expected
2×105
life (min.
operations) Electrical (at 20 cpm)
0.5 A 125 V AC resistive load
105
Note:
❇1This value can change due to the switching frequency, environmental conditions,
and desired reliability level, therefore it is recommended to check this with the actual load.
Initial insulation resistance*1
Between open
contacts
Initial
Between contact and
breakdown
coil
voltage
Between contact sets
FCC surge voltage between open
contacts
Temperature rise*2 (at 20°C)
Operate time [Set time]* (at 20°C)
3
Release time [Reset time]*4
(at 20°C)
Functional*5
Shock resistance
Destructive*6
Functional*7
Vibration resistance
Destructive
Conditions for operation, transport and
storage*8
(Not freezing and
condensing at low
temperature)
Unit weight
Ambient
temperature
Humidity
Min. 1,000 MΩ (at 500 V DC)
750 Vrms for 1 min.
(Detection current: 10 mA)
1,000 Vrms for 1 min.
(Detection current: 10 mA)
1,000 Vrms for 1 min.
(Detection current: 10 mA)
1,500 V
Max. 50°C
Max. 4 ms (Approx. 2 ms)
[Max. 4 ms (Approx. 2 ms)]
Max. 4 ms (Approx. 1 ms)
[Max. 4 ms (Approx. 2 ms)]
Min. 490 m/s2 {50 G}
Min. 980 m/s2 {100 G}
176.4 m/s2 {18G}, 10 to 55 Hz
at double amplitude of 3 mm
294 m/s2 {30G}, 10 to 55 Hz
at double amplitude of 5 mm
–40°C to +70°C
–40°F to +158°F
5 to 85% R.H.
Approx. 2 g .071 oz
Remarks
* Specifications will vary with foreign standards certification ratings.
Measurement at same location as "Initial breakdown voltage" section.
*2 By resistive method, nominal voltage applied to the coil; contact carrying current:
1 A.
*3 Nominal voltage applied to the coil, excluding contact bounce time.
*4 Nominal voltage applied to the coil, excluding contact bounce time without diode.
*5 Half-wave pulse of sine wave: 11 ms; detection time: 10 µs.
*6 Half-wave pulse of sine wave: 6 ms.
*7 Detection time: 10 µs.
*8 Refer to 4. Conditions for operation, transport and storage mentioned in Cautions
for use (Page 178).
*1
ORDERING INFORMATION
Ex. TF
2
L
H
3V
Contact arrangement
Operating function
Terminal shape
Coil voltage(DC)
2:2 Form C
Nil: Single side stable
L: 1 coil latching
L2: 2 coil latching
Nil: Standard PC board terminal
H: Self-clinching terminal
3,4.5,5,6,9,12,
24,48 *V
*48 V coil type: Single side stable only
Note: AgPd stationary contact types available for high resistance against contact sticking.
When ordering, please add suffix“-3”like TF2-12V-3.
145
TF
TYPES AND COIL DATA (at 20°C 68°F)
1. Single side stable
Part No.
Pick-up
voltage,
V DC (max.)
Drop-out
voltage,
V DC (min.)
3
4.5
5
6
9
12
24
48
2.25
3.38
3.75
4.5
6.75
9
18
36
0.3
0.45
0.5
0.6
0.9
1.2
2.4
4.8
Self-clinching
terminal
Nominal
voltage,
V DC
Set voltage,
V DC (max.)
Reset voltage,
V DC (max.)
TF2-L-H-3 V
TF2-L-H-4.5 V
TF2-L-H-5 V
TF2-L-H-6 V
TF2-L-H-9 V
TF2-L-H-12 V
TF2-L-H-24 V
3
4.5
5
6
9
12
24
2.25
3.38
3.75
4.5
6.75
9
18
2.25
3.38
3.75
4.5
6.75
9
18
Self-clinching
terminal
Nominal
voltage,
V DC
Set voltage,
V DC (max.)
Reset voltage,
V DC (max.)
TF2-L2-H-3 V
TF2-L2-H-4.5 V
TF2-L2-H-5 V
TF2-L2-H-6 V
TF2-L2-H-9 V
TF2-L2-H-12 V
TF2-L2-H-24 V
3
4.5
5
6
9
12
24
2.25
3.38
3.75
4.5
6.75
9
18
2.25
3.38
3.75
4.5
6.75
9
18
Standard PC
board terminal
TF2-3 V
TF2-4.5 V
TF2-5 V
TF2-6 V
TF2-9 V
TF2-12 V
TF2-24 V
TF2-48 V
Nominal
operating
current,
mA (±10%)
26.7
17.8
16
13.3
8.9
6.7
5.8
5.4
Nominal
voltage,
V DC
Self-clinching
terminal
TF2-H-3 V
TF2-H-4.5 V
TF2-H-5 V
TF2-H-6 V
TF2-H-9 V
TF2-H-12 V
TF2-H-24 V
TF2-H-48 V
Coil
resistance,
Ω (±10%)
112.5
253
312.5
450
1,012.5
1,800
4,100
8,860
Nominal
operating
power,
mW
80
80
80
80
80
80
140
260
Max.
allowable
voltage,
V DC
4.5
6.7
7.5
9
13.5
18
36
57.6
Nominal
operating
power,
mW
55
55
55
55
55
55
100
Max.
allowable
voltage,
V DC
4.5
6.7
7.5
9
13.5
18
36
Nominal
operating
power,
mW
110
110
110
110
110
110
200
Max.
allowable
voltage,
V DC
4.5
6.7
7.5
9
13.5
18
36
2. 1 Coil latching
Part No.
Standard PC
board terminal
TF2-L-3 V
TF2-L-4.5 V
TF2-L-5 V
TF2-L-6 V
TF2-L-9 V
TF2-L-12 V
TF2-L-24 V
Nominal
operating
current,
mA (±10%)
18.3
12.2
11
9.2
6.1
4.6
4.2
Coil
resistance,
Ω (±10%)
163.6
368.2
454.5
654.5
1,472
2,618
5,760
3. 2 Coil latching
Part No.
Standard PC
board terminal
TF2-L2-3 V
TF2-L2-4.5 V
TF2-L2-5 V
TF2-L2-6 V
TF2-L2-9 V
TF2-L2-12 V
TF2-L2-24 V
Nominal
operating
current,
mA (±10%)
36.7
24.4
22
18.3
12.2
9.2
8.3
Coil
resistance,
Ω (±10%)
81.8
184.1
227.3
327.3
736.4
1,309
2,880
Notes:
1. Specified value of the pick-up, drop-out, set and reset voltage is with the condition of square wave coil pulse.
2. Standard packing: Tube: 50 pcs.; Case; 1,000 pcs.
3. In case of 5 V drive circuit, it is recommended to use 4.5 V type relay.
4. AgPd stationary contact types available for high resistance against contact sticking. When ordering, please add suffix "-3" like TF2-12V-3.
DIMENSIONS
mm inch
Standard PC board terminal
14
.551
PC board pattern
(Copper-side view)
9
.354
7.8
.307
2.54
.100
10.16
.400
7.62
.300
7.1
.280
3.5
.138
2.54
.100
2.54
.100
7.62
.300
0.5
.020
0.25
.010
Single side stable
(Deenergized condition)
Self-clinching terminal
7.8
.307
+
7.1
.280
3.5
.138
2.54
.100
0.5
.020
7.62
.300
Schematic (Bottom view)
1-coil latching
(Reset condition)
1 2 3 4 5
– 10
0.25
.010
General tolerance: ±0.3 ±.012
146
10-1.0 dia
10-.039 dia
–
9 8 7 6
Direction indication*
+
1 2 3 4 5
Tolerance: ±0.1 ±.004
2-coil latching
(Reset condition)
1 2 3 4 5
+
+
10 9 8 7 6
Direction indication*
–
–
10 9 8 7 6
Direction indication*
*Orientation stripe typical-located on top of relay.
TF
REFERENCE DATA
1. Maximum switching capacity
2. Life curve
3. Mechanical life
1.0
0.5
0.4
0.3
Ratio against the rated voltage %V
DC load (cosϕ=1)
AC load (cosϕ=1)
No. of operations, ×104
Switching current, A
Tested sample: TF2-12V, 10 pcs.
30 V DC resistive load
100
125 V AC resistive load
10
0.2
100
90
80
Pick-up voltage
70
Max.
Min.
60
50
40
Drop-out voltage
30
Max.
Min.
20
10
30
0
100
200
Switching voltage,V
0
0.5
1.0
Switching current, A
10
100
1,000
10,000
No. of operations, ×104
4.-(1) Electrical life (DC load)
4.-(2) Electrical life (AC load)
Tested sample: TF2-12V, 6 pcs.
Condition: 1 A 30 V DC resistive load, 20 cpm
Tested sample: TF2-12V, 6 pcs
Condition: 0.5 A 125 V AC resistive load, 20 cpm
Change of contact resistance
90
80
Pick-up voltage
70
Max.
Min.
60
50
40
Drop-out voltage
30
Contact resistance, mΩ
100
90
Max.
Min.
20
80
70
60
50
Max.
40
Min.
30
20
10
10
0
5
10
15
No. of operations, ×104
90
80
Pick-up voltage
70
Max.
Min.
60
50
40
Drop-out voltage
30
Max.
20
Min.
10
0
20
Change of contact resistance
5
10
15
No. of operations, ×104
20
0
5
No. of operations, ×104
5. Coil temperature rise
6. Operate/release time characteristics
Tested sample: TF2-xxV
Measured portion: Inside the coil
Ambient temperature: 30°C 86°F
Tested sample: TF2-12V, 5 pcs.
70
70
60
50
40
Max.
Min.
30
Temperature rise, °C
60
80
6
3-12 V DC
24 V DC
48 V DC
90
1A
50
40
1A
30
1A
0A
20
5
No. of operations, ×104
4
Operate time
3
2
1
10
10
0
5
Release time
20
0
10
100 110 120 130 140 150
Coil applied voltage, %V
0
80
9. Distribution of set and reset voltage
Tested sample: TF2-12V, 50 pcs.
Tested sample: TF2-L2-12V, 20 pcs.
30
Pick-up
voltage
Set time
Drop-out
voltage
Reset time
4
10
2
Quantity
5
10
Max.
Min.
1
80
90
100 110 120
Coil applied voltage, %V
0
10 20 30 40 50 60 70 80 90 100
Ratio against the rated voltage, %V
,,
,,,,,,,,,
,
,
Quantity
20
3
0
Set voltage
Reset voltage
,,,
,
,,,,,
,,
5
,,,
,,,,
8. Distribution of pick-up and drop-out voltage
Tested sample: TF2-L2-12V, 5 pcs.
6
Max.
Min.
Max.
Min.
90
100 110 120
Coil applied voltage, %V
7. Set/reset time characteristics
Set/reset time, ms
10
Nominal coil voltage
100
Contact resistance, mΩ
100
Operate/release time, ms
Ratio against the rated voltage, %V
100
Change of pick-up and drop-out voltage
Ratio against the rated voltage, %V
Change of pick-up and drop-out voltage
0
10 20 30 40 50 60 70 80 90 100
Ratio against the rated voltage, %V
147
TF
11. Distribution of contact resistance
Tested sample: TF2-12V, 5 pcs.
Tested sample: TF2-12V, 30 pcs. (30, ×4 contacts)
40
30
−
x
20
Drop-out
voltage
10
–40 –20
Ambient
temperature, °C
Pick-up voltage
20 40 60 80
0
60
−
x
Quantity
Variation
ratio, %
10. Ambient temperature characteristics
40
–10
20
–20
–30
–40
0
30
40
50
Contact resistance,mΩ
12.-(1) High-frequency characteristics
12.-(2) High-frequency characteristics
12.-(3) High-frequency characteristics
Tested sample: TF2-xxV
Isolation characteristics
Tested sample: TF2-xxV
Insertion loss characteristics
Tested sample: TF2-xxV
V.S.W.R.
100
1.8
V.S.W.R.
Insertion loss, dB
Isolation, dB
2.0
1.0
0.8
TF Relay V.S.W.R., 50Ω
1.6
1.4
0.6
50
0.4
1.2
0.2
100
Frequency,MHz
0
1,000
10
100
Frequency,MHz
13.-(1) Malfunctional shock (single side stable)
13.-(2) Malfunctional shock (latching)
Tested sample: TF2-12V, 6 pcs
Tested sample: TF2-L-12V, 6 pcs.
,Z X X
Y
980m/s2
Z
Y,
Y
Z
980m/s2
X
980m/s2
196m/s2
392m/s2
588m/s2
784m/s2
2
,980m/s
980m/s2
,
Z
OFF OFF
Drop-out voltage
0
OFF
5
.197
Inter-relay distance
196m/s2
392m/s2
588m/s2
784m/s2
2
,980m/s
980m/s2
,
Z
980m/s2
,
X
Rate of change, %
14.-(2) Influence of adjacent mounting
10
Pick-up voltage
0
ON
–10
10
Drop-out voltage
OFF
0
OFF
–10
OFF
0
, mm inch
ON
14.-(3) Influence of adjacent mounting
10
Pick-up voltage ON
0
ON
–10
ON
ON
Rate of change, %
Rate of change, %
Rate of change, %
ON
ON
0
148
ON
–10
–10
Z
980m/s2
Y
0
10
100
Frequency,MHz
Reset state
Set state
X
980m/s2
,
X
14.-(1) Influence of adjacent mounting
Pick-up voltage
Y
980m/s2
10
980m/s2
Y
10
,
,Z X X
Rate of change, %
Z
Y,
Y
Deenergized
condition
Energized condition
,
1.0
1,000
5
.197
Inter-relay distance
ON
Rate of change, %
10
10
Drop-out voltage OFF
0
OFF
OFF
–10
OFF
0
, mm inch
5
.197
Inter-relay distance
, mm inch
1,000
TF
15. Actual load test
Change of pick-up and drop-out voltage
Change of contact resistance
500Ω
48 V
DC
0.1
µF
0.1
µF
3
2
500Ω
Wire spring relay Circuit diagram
100
100
90
90
80
Pick-up voltage
70
Max.
Min.
60
50
40
Drop-out voltage
30
Max.
Min.
20
80
70
60
50
40
Max.
Min.
30
20
10
10
0
Contact resistance, mΩ
Circuit
Ratio against the rated voltage, %V
Tested sample: TF2-12V
(35 mA 48 V DC wire spring relay load)
10
20
30
40
No. of operations,×104
50
0
10
20
30
40
No. of operations, ×104
50
For Cautions for Use, see Page 178 and 179.
9/1/2000
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Ltd.
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