U*D
ENGINEERING DATA SHEET
RELAY - NONLATCH
2 PDT, 4 AMP
Polarized, non latching hermetically sealed relay
Contact arrangement
2 PDT
Coil supply
Meets the
requirements of
Direct current
MIL-PRF-5757
NFC45255
YA708A
PRINCIPLE TECHNICAL CHARACTERISTICS
Contacts rated at
Weight
Dimensions of case
APPLICATION NOTES:
001
007
APPLICABLE SOCKET:
081A24
4 Amps / 28 Vdc
18 grams max
20.5mm x 23mm x 9.2mm
Hermetically sealed, corrosion protected metal can.
CONTACT ELECTRICAL CHARACTERISTIC
Minimum
operating cycles
100,000 cycles
500,000 cycles
Contact rating per
pole and load type
resistive load
low level (30µA/30mV)
Load Current in Amps
@28Vdc
4
-
LEACH
®
INTERNATIONAL
Solutions for Power Switching and Control
www.leachintl.com
North America
6900 Orangethorpe Ave.
P.O. Box 5032
Buena Park, CA 90622 USA
Tel: (01) 714-736-7599
Fax: (01) 714-670-1145
Europe, SA
2 Rue Goethe
57430 Sarralbe
France
Tel: (33) 3 87 97 98 97
Fax: (33) 3 87 97 84 04
Asia-Pacific Ltd.
20/F Shing Hing Commercial
Bldg.
21-27 Wing Kut Street
Central, Hong Kong
Tel: (852) 2 191 2886
Fax: (852) 2 389 5803
Date of issue: 10/05
- 45 -
Page 1 of 4
COIL CHARACTERISTICS (Vdc)
CODE
06
12
28
48
75
120
U*D
Nominal operating voltage
6
12
28
48
75
120
Maximum operating voltage
7
14
30
55
85
135
Guaranteed pick-up voltage at +125° C
5
10
21
40
60
100
Guaranteed drop-out voltage at -65° C
0.4
0.8
1
2.9
4.5
6.9
Coil resistance in
Ω
±15% at +25° C
31
126
575
1800
4400
12700
GENERAL CHARACTERISTICS
Temperature range
Dielectric strength at sea level
- Contacts to ground
- Between contacts
Dielectric strength at altitude 25,000 m (all points)
Initial insulation resistance at 100 Vdc
Sinusoidal vibration (except mounting styles P,T: 20 G)
Shock
Maximum contact opening time under vibration and shock
Operate time at nominal voltage (including bounce)
Release time at nominal voltage (including bounce)
Contact resistance at 0.1 Amp
- initial value
- after life
35
Ω
max
55
Ω
max
500 Vrms / 50 Hz
500 Vrms / 50 Hz
250 Vrms / 50 Hz
> 1000 M
Ω
30 G / 70 to 3000 Hz
100 G / 6 ms
10 µs
5.5 ms max
5.5 ms max
-65°C to +125°C
Date of issue:
10/05
- 46 -
Page 2 of 4
MOUNTING STYLES
U*D
Dimensions in mm
Tolerances unless otherwise specified ±0.25mm
TERMINAL TYPES
Date of issue:
10/05
- 47 -
Page 3 of 4
SCHEMATIC DIAGRAM
U*D
NUMBERING SYSTEM
U
F
D
C
28
Basic series designation__________________________|
|
|
|
|
1-Terminal Types (S,F,A,T)_____________________________|
|
|
|
2-Non Latching (D)_________________________________________|
|
|
3-Mounting Style (C,B,E,P,G,K,T)_______________________________|
|
4-Coil Voltage (06,12,28,48,75,120)_________________________________|
NOTES
1.
Isolation spacer pads for PCB mounting available on request.
2.
For other mounting styles or terminal types, please contact the factory.
TYPICAL CHARACTERISTICS
q
q
Coil resistance/temperature change: See application note no. 001
Coil L/R ratio = 1.5 ms
Date of issue:
10/05
- 48 -
Page 4 of 4
Application notes
N°001
CORRECTION DUE TO COIL COPPER WIRE RESISTANCE
CHANGE IN TEMPERATURE
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: 6/00
-1-
Page 1 of 1
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