F250
ENGINEERING DATA SHEET
RELAY - NONLATCH
2 PDT, 2 AMP
Non polarized, non latching hermetically sealed relay
2 PDT
Contact arrangement
Coil supply
Designed to the
performance standards of
Contact types per
CECC1610-021
Direct current
MIL-R-6106/6
CECC16101-014
BS CECC16101-021
Contacts with reduced service life
for resistive loads (contact types I,
II, III) -- Code 01; contacts with
reduced service life at low level
resistive loads -- Code 02
PRINCIPLE TECHNICAL CHARACTERISTICS
APPLICATION NOTES:
001
007
APPLICABLE SOCKET:
HRCW
SO9005
SF250-4
Contacts rated at
Weight
Dimensions max.
of case in mm
2 Amps / 28 Vdc
less than 11 grams
20.6 x 10.4 x 10.5
Hermetically sealed, corrosion protected metal can.
CONTACT ELECTRICAL CHARACTERISTICS
Minimum
operating cycles
100,000 cycles
100,000 cycles
100,000 cycles
100 cycles
400,000 cycles
Contact rating per
pole and load type
resistive load
inductive load (L/R=5ms)
lamp load
resistive overload
at 25% rated load
Load Current in Amps
@28Vdc
2
0.75
-
4
@115Vac/60-400Hz
0.3
-
-
-
Featuring
LEACH
©
power and control solutions
www.esterline.com
AMERICAS
6900 Orangethorpe Ave.
P.O. Box 5032
Buena Park, CA 90622
.
.
Tel: (01) 714-736-7599
Fax: (01) 714-670-1145
EUROPE
2 Rue Goethe
57430 Sarralbe
France
.
.
Tel: (33) 3 87 97 31 01
Fax: (33) 3 87 97 96 86
ASIA
Units 602-603 6/F Lakeside 1
No.8 Science Park West Avenue
Phase Two, Hong Kong Science Park
Pak Shek Kok, Tai Po, N.T.
Hong Kong
Tel: (852) 2 191 3830
Fax: (852) 2 389 5803
Data sheets are for initial product selection and comparison. Contact Esterline Power Systems prior to choosing a component.
Date of issue:
9/10
- 29 -
Page 1 of 4
COIL CHARACTERISTICS (Vdc)
CECC 16101-014
01
02
06
11
13
17
19
20
21
F250
24
Nominal operating voltage
5
6
6
12
12
26.5
26.5
28
28
48
Coil resistance in
Ω
±10% at +25° C
27
37
47.5
150
190
700
935
700
935
2600
Maximum operating voltage
6
7.5
7.5
15
15
32
32
32
32
55
Pickup voltage at 25° C
2.7
3.2
3.5
6.4
7
13.5
14.5
13.5
14.5
28
Pickup voltage at 125° C
3.8
4.5
4.5
9
9
18
19
18
19
36
Maximum Drop-out voltage at 20° C
1.65
2
2
4
4
8
8
8
8
16
Minimum drop-out voltage at -65° C
0.29
0.35
0.35
0.7
0.7
1.5
1.5
1.5
1.5
2.8
BS CECC 16101-021
01 02 03 04
05
06
07
08
09
10
11
12
13
14
15
Nominal operating voltage
6
6
6
12
12
12
24
24
24
48
48
48
5
24
20
Coil resistance in Ohms
±10% at +25° C
40 42 60 150 210 320 675 830 1250 2500 2800 3500 40
700 700
Maximum operating voltage 7.2 7.2 7.2 14.4 14.4 14.4 32
32
32
57.6 57.6 57.6 6
32
24
Pickup voltage at 25° C
3.6 3.6 3.6 7.2
7.2
7.2
14.4 14.4 14.4 28.8 28.8 28.8 3
14.4 10.6
Minimum drop-out voltage
0.3 0.3 0.3 0.6
0.6
0.6
1.2
1.2
1.2
2.4
2.4
2.4
0.25 1.2
1
Date of issue: 01/07
- 30 -
Page 2 of 4
GENERAL CHARACTERISTICS (Vdc)
Temperature range
Dielectric strength at sea level
- All circuits to ground and circuit to circuit
- Coil to ground and across open contacts
Dielectric strength at altitude 22,000 m
Initial insulation resistance at 100 Vdc
Sinusoidal vibration
Shock
Maximum contact opening time under vibration and shock
Operate time at nominal voltage (including bounce)
Release time (including bounce)
Bounce time
Contact resistance at rated current
1000 Vrms / 50 Hz
500 Vrms / 50 Hz
350 Vrms / 50 Hz
> 1000 M
Ω
20 G / 70 to 3000 Hz
100 G / 11 ms
10 µs
4 ms max
4 ms max
2.5 ms max
50 mΩ max
-65°C to 125°C
F250
MOUNTING STYLES
4.4 UNC
32.5 MAX
9.5
20.6 MAX
10.4
MAX
27
±0.4
32.5 MAX
27
3.2
±0.3
±0.4
0.8
0.7
=
10.46
=
=
=
CODE FOR BS : 02
10.5
MAX
CODE FOR CECC : 01
CODE FOR BS : 01
Ø3.1
8
MAX
CODE FOR CECC : 05
CODE FOR BS : 04
CONTRASTING
BEAD
Ø3.1
Ø6.35
8
MAX
CODE FOR CECC : 04
CODE FOR BS : 05
CODE FOR CECC : 14
CODE FOR BS : 03
8
MAX
Ø3.1
CODE FOR CECC : 03
0.7
6
±0.4
6
±0.4
Ø3.1
11.6
MAX
27 MAX
32.5 MAX
8
MAX
27
±0.4
32.5 MAX
Dimensions in mm
Tolerances unless otherwise specified ±0.25mm
Date of issue:
9/10
- 31 -
Page 3 of 4
TERMINAL TYPES
F250
SCHEMATIC DIAGRAM
NUMBERING SYSTEM
CECC 16101-014
XX XX XX
Basic series designation__________________________|
|
|
|
1-Coil Voltage________________________________________________|
|
|
2-Mounting Style__________________________________________________|
|
3-Terminal Types______________________________________________________|
BS CECC 16101-021
F250
XX XX XX XX
Basic series designation__________________________|
|
|
|
|
1-Contact Variations______________________________________|
|
|
|
2-Coil Voltage________________________________________________|
|
|
3-Mounting Styles_________________________________________________|
|
4-Terminal Types______________________________________________________|
NOTES
1. Socket:
1.1 HRCW - 1M with mounting hardware and solder connections.
1.2 SF 250-R4 with mounting hardware and crimping contacts.
1.3 SO-9005 for printed circuit board.
2. Isolation spacer pads for PCB mounting available on request
3. Ultrasonic cleaning may adversely effective the normally closed contacts
TYPICAL CHARACTERISTICS
q
q
q
Coil resistance/temperature change: See application note no. 001
L/R ratio for all coils is: = 1.5 ms
Coil resistance
Date of issue: 9/10
- 32 -
Page 4 of 4
Application notes
N°001
CORRECTION DUE TO COIL COPPER WIRE RESISTANCE
CHANGE IN TEMPERATURE
1.8
1.6
Correction coefficient
1.4
1.2
1
0.8
0.6
-80
-30
Temperature ( °C)
20
70
120
170
Nominal Resistance at 25°C
Nominal Resistance at 20°C
Example: Coil resistance at 25°C: 935 ohms. What is it at 125°C?
Correction coefficient on diagram is: 1.39 at 125°C. R becomes: 935x1.39=1299 Ohms
Correction also applies to operating voltages
Date of issue: 3/06
-1-
Page 1 of 1
