TESTING
SMALL POLARIZED RELAY
WITH HIGH SENSITIVITY
TF-RELAYS
9
FEATURES
14
.551
.354
• High sensitivity:
• Minimal magnetic interference allows
high density mounting
7.8
.307
80 mW Nominal operating power (Single
side stable 3-12 V type)
• Sealed construction allows automatic
cleaning
• Surge voltage withstand: 1500 V FCC
Part 68
• Self-clinching terminal also available
mm inch
SPECIFICATIONS
Contact
Characteristics
Arrangement
2 Form C
50 mΩ
Initial insulation resistance*1
Min. 1,000 MΩ (at 500 V DC)
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A)
Between open
750 Vrms for 1 min.
(Detection current: 10 mA)
contacts
Initial
Contact material
Gold-clad silver
Between contact and
coil
1,000 Vrms for 1 min.
(Detection current: 10 mA)
breakdown
voltage
Nominal switching
capacity (resistive load)
1 A 30 V DC, 0.5 A 125 V AC
1,000 Vrms for 1 min.
(Detection current: 10 mA)
Between contact sets
Max. switching power
(resistive load)
30 W, 62.5 VA
FCC surge voltage between open
contacts
Temperature rise*2 (at 20°C)
Rating
1,500 V
Max. switching voltage
Max. switching current
Min. switching capacity ❇1
110 V DC, 125 V AC
1 A
Max. 50°C
Max. 4 ms (Approx. 2 ms)
[Max. 4 ms (Approx. 2 ms)]
Operate time [Set time]*3 (at 20°C)
10 µA 10 mV DC
80 mW (3 to 12 V DC)
140 mW (24 V DC)
260 mW (48 V DC)
Release time [Reset time]*4
(at 20°C)
Max. 4 ms (Approx. 1 ms)
[Max. 4 ms (Approx. 2 ms)]
Min. 490 m/s2 {50 G}
Min. 980 m/s2 {100 G}
Single side stable
Nominal
operating
1 coil latching
power
Functional*5
Destructive*6
55 mW (3 to 12 V DC)
100 mW (24 V DC)
Shock resistance
110 mW (3 to 12 V DC)
200 mW (24 V DC)
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
2 coil latching
Functional*7
Vibration resistance
Mechanical (at 180 cpm)
108
Destructive
Expected
life (min.
1 A 30 V DC resistive load
2×105
Conditions for oper-
ation, transport and
storage*8
Electrical (at 20 cpm)
operations)
Ambient
temperature
–40°C to +70°C
–40°F to +158°F
0.5 A 125 V AC resistive load
105
(Not freezing and
condensing at low
temperature)
Note:
Humidity
5 to 85% R.H.
❇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.
Unit weight
Approx. 2 g .071 oz
Remarks
* Specifications will vary with foreign standards certification ratings.
*1
Measurement at same location as "Initial breakdown voltage" section.
By resistive method, nominal voltage applied to the coil; contact carrying current:
*2
1 A.
*3
Nominal voltage applied to the coil, excluding contact bounce time.
Nominal voltage applied to the coil, excluding contact bounce time without diode.
Half-wave pulse of sine wave: 11 ms; detection time: 10 µs.
Half-wave pulse of sine wave: 6 ms.
Detection time: 10 µs.
Refer to 4. Conditions for operation, transport and storage mentioned in Cautions
*4
*5
*6
*7
*8
for use (Page 178).
ORDERING INFORMATION
Ex. TF
2
L
H
3V
Contact arrangement
2:2 Form C
Operating function
Terminal shape
Coil voltage(DC)
Nil: Single side stable Nil: Standard PC board terminal
L: 1 coil latching
L2: 2 coil latching
3,4.5,5,6,9,12,
24,48*V
H: Self-clinching terminal
*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