Panasonic SF4D18 PCB Mount Relay 18Vdc 4 NO / 4 NC SF4D18 Data Sheet

Product codes
SF4D18
Page of 3
SF4D
1
ds_61407_0002_en_sf4d: 301105D
Coil-contact
Contact-contact
400V
400V
400V
400V
400V
250V
250V
250V
250V
forcibly linked 
pair only
all other 
contacts
Polution degree
2
inside
inside
2
outside
SPECIFICATIONS
ORDERING INFORMATION
POLARIZED, MONOSTABLE 
SAFETY RELAY WITH 
FORCIBLY GUIDED 
CONTACTS
SF4D 
RELAY
Features
• Relay complies with EN 50205, Type B
• Overvoltage category as per IEC 60664-1  III / 4kV
• Rated voltage
as per IEC 60664-1
basic insulation
33
16.5
53.3
length: 3.0
Tolerance
± 0.3mm
Weight approx. 47g
Contact
Coil
Remarks
*1 According to EN 60947-5-1: 1997, table 4 AC15 / DC13
*2 Contact interruption <10
μs
*3 Breathing hole open
Characteristics
Important: Relay characteristics may be influenced by:
• strong external magnetic fields
• magnetic conductive materials near the relay
• narrow top-to-top mounting (printed surface to printed surface)
Note:
Suitable for most common washing methods except ultrasonic cleaning.
Contact configuration (a = normally open / NO, 
b = normally closed / NC)
4a4b
Contact material
AgSnO
2
, with Au flash
Contact resistance (initial at 6V DC, 1A)
30m
Ω
Making and breaking capacities (breathing 
hole open)
6A 250V / 3A 24V
Max. switching voltage
400V
Min. switching voltage / min. switching current
10V / 10mA
Pick-up / drop-out / bounce time
(approx. values at U
nominal
)
18.5 / 7.5 / 3ms
Mechanical life
10
7
ops 
Operate / release voltage (% of U
nominal 
at 
20°C)
75% / 15%
Pick-up/nominal power consumption at 20°C
280 / 500mW
Max. switching frequency (without load)
10Hz
Permissible ambient temperature at nominal 
power consumption
-40°C to +70°C
Upper temperature limit
105°C
Test voltage:
open contact / contact-contact / contact-coil
2500 / 2500 / 
2500V
rms
Insulation resistance at 500V DC (initial)
10
9
Ω
Shock resistance (11ms)  NO/NC
30G
Vibration resistance 10 – 200 Hz (10 – 55 Hz, 
amplitude 2 mm)
10G
Degree of protection
IP67 / IP30
Unit weight
47g
Ex. SF4D
DC12 V
5, 9, 12, 18, 21
24, 36, 48, 60
Coil voltage (DC)
Note: Standard packing; Carton: 20 pcs. Case 200 pcs.