145
TF-RELAYS
SMALL POLARIZED RELAY
WITH HIGH SENSITIVITY
TESTING
mm
inch
7.8
.307
9
.354
14
.551
FEATURES
High sensitivity:
80 mW Nominal operating power (Single
side stable 3-12 V type)
Surge voltage withstand: 1500 V FCC
Part 68
Minimal magnetic interference allows
high density mounting
Sealed construction allows automatic
cleaning
Self-clinching terminal also available
SPECIFICATIONS
Contact
Note:
f
1This value can change due to the switching frequency, environmental conditions,
and desired reliability level, therefore it is recommended to check this with the ac-
tual load.
Characteristics
Remarks
* Specifications will vary with foreign standards certification ratings.
*1
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
s.
*6
Half-wave pulse of sine wave: 6 ms.
*7
Detection time: 10
s.
*8
Refer to 4. Conditions for operation, transport and storage mentioned in Cautions
for use (Page 178).
Arrangement
2 Form C
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A)
50 m
Contact material
Gold-clad silver
Rating
Nominal switching
capacity (resistive load)
1 A 30 V DC, 0.5 A 125 V AC
Max. switching power
(resistive load)
30 W, 62.5 VA
Max. switching voltage
110 V DC, 125 V AC
Max. switching current
1 A
Min. switching capacity
f
1
10
A 10 mV DC
Nominal
operating
power
Single side stable
80 mW (3 to 12 V DC)
140 mW (24 V DC)
260 mW (48 V DC)
1 coil latching
55 mW (3 to 12 V DC)
100 mW (24 V DC)
2 coil latching
110 mW (3 to 12 V DC)
200 mW (24 V DC)
Expected
life (min.
operations)
Mechanical (at 180 cpm)
10
8
Electrical (at 20 cpm)
1 A 30 V DC resistive load
2
10
5
0.5 A 125 V AC resistive load
10
5
Initial insulation resistance*
1
Min. 1,000 M
(at 500 V DC)
Initial
breakdown
voltage
Between open
contacts
750 Vrms for 1 min.
(Detection current: 10 mA)
Between contact and
coil
1,000 Vrms for 1 min.
(Detection current: 10 mA)
Between contact sets
1,000 Vrms for 1 min.
(Detection current: 10 mA)
FCC surge voltage between open
contacts
1,500 V
Temperature rise*
2
(at 20
C)
Max. 50
C
Operate time [Set time]*
3
(at 20
C)
Max. 4 ms (Approx. 2 ms)
[Max. 4 ms (Approx. 2 ms)]
Release time [Reset time]*
4
(at 20
C)
Max. 4 ms (Approx. 1 ms)
[Max. 4 ms (Approx. 2 ms)]
Shock resistance
Functional*
5
Min. 490 m/s
2
{50 G}
Destructive*
6
Min. 980 m/s
2
{100 G}
Vibration resistance
Functional*
7
176.4 m/s
2
{18G}, 10 to 55 Hz
at double amplitude of 3 mm
Destructive
294 m/s
2
{30G}, 10 to 55 Hz
at double amplitude of 5 mm
Conditions for oper-
ation, transport and
storage*
8
(Not freezing and
condensing at low
temperature)
Ambient
temperature
40
C to +70
C
40
F to +158
F
Humidity
5 to 85% R.H.
Unit weight
Approx. 2 g
.071 oz
ORDERING INFORMATION
Ex. TF
2
L
H
3V
Contact arrangement
Operating function
Terminal shape
Coil voltage(DC)
2:2 Form C
Nil: Standard PC board terminal
H: Self-clinching terminal
Nil: Single side stable
L: 1 coil latching
L2: 2 coil latching
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.
TF
146
TYPES AND COIL DATA (at 20
C
68
F
)
1. Single side stable
2. 1 Coil latching
3. 2 Coil latching
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.
Part No.
Nominal
voltage,
V DC
Pick-up
voltage,
V DC (max.)
Drop-out
voltage,
V DC (min.)
Nominal
operating
current,
mA (
10%)
Coil
resistance,
(
10%)
Nominal
operating
power,
mW
Max.
allowable
voltage,
V DC
Standard PC
board terminal
Self-clinching
terminal
TF2-3 V
TF2-H-3 V
3
2.25
0.3
26.7
112.5
80
4.5
TF2-4.5 V
TF2-H-4.5 V
4.5
3.38
0.45
17.8
253
80
6.7
TF2-5 V
TF2-H-5 V
5
3.75
0.5
16
312.5
80
7.5
TF2-6 V
TF2-H-6 V
6
4.5
0.6
13.3
450
80
9
TF2-9 V
TF2-H-9 V
9
6.75
0.9
8.9
1,012.5
80
13.5
TF2-12 V
TF2-H-12 V
12
9
1.2
6.7
1,800
80
18
TF2-24 V
TF2-H-24 V
24
18
2.4
5.8
4,100
140
36
TF2-48 V
TF2-H-48 V
48
36
4.8
5.4
8,860
260
57.6
Part No.
Nominal
voltage,
V DC
Set voltage,
V DC (max.)
Reset voltage,
V DC (max.)
Nominal
operating
current,
mA (
10%)
Coil
resistance,
(
10%)
Nominal
operating
power,
mW
Max.
allowable
voltage,
V DC
Standard PC
board terminal
Self-clinching
terminal
TF2-L-3 V
TF2-L-H-3 V
3
2.25
2.25
18.3
163.6
55
4.5
TF2-L-4.5 V
TF2-L-H-4.5 V
4.5
3.38
3.38
12.2
368.2
55
6.7
TF2-L-5 V
TF2-L-H-5 V
5
3.75
3.75
11
454.5
55
7.5
TF2-L-6 V
TF2-L-H-6 V
6
4.5
4.5
9.2
654.5
55
9
TF2-L-9 V
TF2-L-H-9 V
9
6.75
6.75
6.1
1,472
55
13.5
TF2-L-12 V
TF2-L-H-12 V
12
9
9
4.6
2,618
55
18
TF2-L-24 V
TF2-L-H-24 V
24
18
18
4.2
5,760
100
36
Part No.
Nominal
voltage,
V DC
Set voltage,
V DC (max.)
Reset voltage,
V DC (max.)
Nominal
operating
current,
mA (
10%)
Coil
resistance,
(
10%)
Nominal
operating
power,
mW
Max.
allowable
voltage,
V DC
Standard PC
board terminal
Self-clinching
terminal
TF2-L2-3 V
TF2-L2-H-3 V
3
2.25
2.25
36.7
81.8
110
4.5
TF2-L2-4.5 V
TF2-L2-H-4.5 V
4.5
3.38
3.38
24.4
184.1
110
6.7
TF2-L2-5 V
TF2-L2-H-5 V
5
3.75
3.75
22
227.3
110
7.5
TF2-L2-6 V
TF2-L2-H-6 V
6
4.5
4.5
18.3
327.3
110
9
TF2-L2-9 V
TF2-L2-H-9 V
9
6.75
6.75
12.2
736.4
110
13.5
TF2-L2-12 V
TF2-L2-H-12 V
12
9
9
9.2
1,309
110
18
TF2-L2-24 V
TF2-L2-H-24 V
24
18
18
8.3
2,880
200
36
DIMENSIONS
mm
inch
Standard PC board terminal
Self-clinching terminal
General tolerance:
0.3
.012
14
.551
7.8
.307
7.1
.280
9
.354
7.62
.300
3.5
.138
2.54
.100
0.5
.020
0.25
.010
7.8
.307
7.1
.280
7.62
.300
3.5
.138
2.54
.100
0.5
.020
0.25
.010
PC board pattern
(Copper-side view)
10.16
.400
7.62
.300
2.54
.100
2.54
.100
10-1.0 dia
10-.039 dia
Tolerance:
0.1
.004
Schematic (Bottom view)
Single side stable
(Deenergized condition)
1-coil latching
(Reset condition)
2-coil latching
(Reset condition)
Direction indication*
10 9 8 7 6
1 2 3 4 5
+
Direction indication*
+
10 9 8 7 6
1 2 3 4 5
Direction indication*
+
+
10 9 8 7 6
1 2 3 4 5
*Orientation stripe typical-located on top of relay.
TF
147
REFERENCE DATA
1. Maximum switching capacity
2. Life curve
3. Mechanical life
Tested sample: TF2-12V, 10 pcs.
30
100
200
1.0
0.5
0.4
0.3
0.2
Switching voltage,V
Switching current, A
DC load (cos
=1)
AC load (cos
=1)
Switching current, A
No. of operations,
10
4
0
0.5
1.0
100
10
30 V DC resistive load
125 V AC resistive load
Max.
Min.
Max.
Min.
No. of operations,
10
4
10
100
1,000
10,000
Ratio against the rated voltage %V
0
10
20
30
40
50
60
70
80
90
100
Pick-up voltage
Drop-out voltage
4.-(1) Electrical life (DC load)
Tested sample: TF2-12V, 6 pcs.
Condition: 1 A 30 V DC resistive load, 20 cpm
Change of pick-up and drop-out voltage
Change of contact resistance
4.-(2) Electrical life (AC load)
Tested sample: TF2-12V, 6 pcs
Condition: 0.5 A 125 V AC resistive load, 20 cpm
Change of pick-up and drop-out voltage
Max.
Min.
Max.
Min.
No. of operations,
10
4
Ratio against the rated voltage, %V
0
5
10
10
20
30
40
50
60
70
80
90
100
15
20
Pick-up voltage
Drop-out voltage
No. of operations,
10
4
Contact resistance, m
Max.
Min.
0
5
10
10
20
30
40
50
60
70
80
90
100
15
20
Ratio against the rated voltage, %V
Max.
Min.
Max.
Min.
No. of operations,
10
4
0
5
10
20
30
40
50
60
70
80
90
100
10
Pick-up voltage
Drop-out voltage
Change of contact resistance
5. Coil temperature rise
Tested sample: TF2-xxV
Measured portion: Inside the coil
Ambient temperature: 30
C
86
F
6. Operate/release time characteristics
Tested sample: TF2-12V, 5 pcs.
No. of operations,
10
4
Contact resistance, m
Max.
Min.
0
5
10
20
30
40
50
60
70
80
90
100
10
Temperature rise,
C
Coil applied voltage, %V
Nominal coil voltage
1 A
1 A
0 A
0
100
110
120 130
140
150
10
20
30
40
50
60
70
1 A
3-12 V DC
24 V DC
48 V DC
Coil applied voltage, %V
0
80
90
100
110
120
Operate/release time, ms
1
2
3
4
5
6
Max.
Min.
Max.
Min.
Operate time
Release time
7. Set/reset time characteristics
Tested sample: TF2-L2-12V, 5 pcs.
8. Distribution of pick-up and drop-out voltage
Tested sample: TF2-12V, 50 pcs.
9. Distribution of set and reset voltage
Tested sample: TF2-L2-12V, 20 pcs.
Coil applied voltage, %V
0
80
90
100
110
120
1
2
3
4
5
6
Set/reset time, ms
Max.
Min.
Set time
Reset time
0
10
10
20
30
20 30 40 50 60 70 80 90 100
Quantity
Ratio against the rated voltage, %V
Drop-out
voltage
Pick-up
voltage
20
10
0
5
10
30 40 50 60 70 80 90 100
Quantity
Ratio against the rated voltage, %V
,
,,
,,
,,
,,
,,,,
,,,,
,,,
Set voltage
Reset voltage
,,,
,,,,
,,,
,
,,
,,
,,
,,
TF
148
10. Ambient temperature characteristics
Tested sample: TF2-12V, 5 pcs.
11. Distribution of contact resistance
Tested sample: TF2-12V, 30 pcs. (30,
4 contacts)
0
Pick-up voltage
Drop-out
voltage
Ambient
temperature,
C
Variation
ratio, %
20
10
20
40
20
30
40
40
60
80
10
20
30
40
x
-
x
-
Contact resistance,m
Quantity
0
20
40
60
30
40
50
12.-(1) High-frequency characteristics
Tested sample: TF2-xxV
Isolation characteristics
12.-(2) High-frequency characteristics
Tested sample: TF2-xxV
Insertion loss characteristics
12.-(3) High-frequency characteristics
Tested sample: TF2-xxV
V.S.W.R.
50
100
10
100
1,000
Frequency,MHz
Isolation, dB
10
0
100
1,000
Frequency,MHz
Insertion loss, dB
0.2
0.4
0.6
0.8
1.0
Frequency,MHz
1.0
1.2
1.4
1.6
1.8
2.0
10
100
1,000
V.S.W.R.
TF Relay V.S.W.R., 50
13.-(1) Malfunctional shock (single side stable)
Tested sample: TF2-12V, 6 pcs
13.-(2) Malfunctional shock (latching)
Tested sample: TF2-L-12V, 6 pcs.
Y
,
Y
,
Y
Y
Z
,
Z
,
Z
Z
X
,
X
X
Deenergized
condition
Energized condition
980m/s
2
980m/s
2
980m/s
2
980m/s
2
196m/s
2
980m/s
2
392m/s
2
588m/s
2
784m/s
2
980m/s
2
X
,
Y
,
Y
,
Y
Y
Z
,
Z
,
Z
Z
X
,
X
X
Reset state
Set state
980m/s
2
X
,
980m/s
2
980m/s
2
980m/s
2
980m/s
2
196m/s
2
392m/s
2
588m/s
2
784m/s
2
980m/s
2
14.-(1) Influence of adjacent mounting
14.-(2) Influence of adjacent mounting
14.-(3) Influence of adjacent mounting
Inter-relay distance , mm
inch
0
5
.197
10
0
10
10
0
10
Rate of change, %
Rate of change, %
ON
ON
ON
OFF OFF
OFF
Pick-up voltage
Drop-out voltage
ON
ON
OFF
OFF
OFF
ON
Inter-relay distance , mm
inch
0
5
.197
10
0
10
10
0
10
Rate of change, %
Rate of change, %
Drop-out voltage
Pick-up voltage
OFF
ON
Inter-relay distance , mm
inch
0
5
.197
10
0
10
10
0
10
Rate of change, %
Rate of change, %
Pick-up voltage
Drop-out voltage
OFF
OFF
OFF
ON
ON
ON
TF
149
15. Actual load test
Tested sample: TF2-12V
(35 mA 48 V DC wire spring relay load)
Circuit
Change of pick-up and drop-out voltage
Change of contact resistance
500
500
0.1
F
0.1
F
48 V
DC
3
2
Wire spring relay Circuit diagram
No. of operations,
10
4
Ratio against the rated voltage, %V
Max.
Min.
Max.
Min.
10
20
30
40
50
0
10
20
30
40
50
60
70
80
90
100
Pick-up voltage
Drop-out voltage
10
20
30
40
50
Max.
Min.
No. of operations,
10
4
0
10
20
30
40
50
60
70
80
90
100
Contact resistance, m
For Cautions for Use, see Page 178 and 179.
9/1/2000
All Rights Reserved, Copyright Matsushita Electric Works, Ltd.
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