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:
❇
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
µ
s.
*6
Half-wave pulse of sine wave: 6 ms.
*7
Detection time: 10
µ
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
Ω
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
❇
1 10
µ
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
Ω
(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.
