GP250
ENGINEERING DATA SHEET
RELAY - LATCH
2 PDT, 2 AMP
Polarized, latching hermetically sealed relay
2 PDT
Contact arrangement
Coil supply
Qualified to
Direct current
SCC3602/010
PRINCIPLE TECHNICAL CHARACTERISTICS
Contacts rated at
Weight
Dimensions of case
2 Amp / 50 Vdc
11 grams max
20.4mm x 10.4mm x 10.2mm
Hermetically sealed, corrosion protected metal can.
APPLICATION NOTES:
001
007
CONTACT ELECTRICAL CHARACTERISTICS
Minimum
operating cycles
100,000 cycles
100,000 cycles
100 cycles
Contact rating per
pole and load type
resistive load
inductive load (L/R=5ms)
resistive overload
Load Current in Amps
@50Vdc
2
0.75
4
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: 07/10
- 21 -
Page 1 of 4
COIL CHARACTERISTICS (Vdc)
CODE
06
12
GP250
26
Nominal operating voltage
6
12
26
Maximum operating voltage
7.3
14.8
32
Maximum latch or reset voltage at +125° C
4.6
9.8
18
Coil resistance in
Ω
±10% at +25° C
40
150
720
GENERAL CHARACTERISTICS
Temperature range
Dielectric strength at sea level
- Contacts to ground, coils to ground
- Between coils, between open contacts
Dielectric strength at altitude 25,000 m, all terminals to ground
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
Bounce time
Contact resistance at rated current
- initial value
- after life
50 mΩ max
100 mΩ max
1000 Vrms / 50 Hz
500 Vrms / 50 Hz
350 Vrms / 50 Hz
>1000 M
Ω
30 G / 75 to 2000 Hz
100 G / 11 ms
10 µs
4 ms max
4 ms max
2.5 ms max
-65°C to +125°C
Date of issue: 07/10
- 22 -
Page 2 of 4
MOUNTING STYLES
GP250
Dimensions in mm
Tolerances unless otherwise specified ±0.25 mm
TERMINAL TYPES
Date of issue: 07/10
- 23 -
Page 3 of 4
SCHEMATIC DIAGRAM
GP250
BOTTOM VIEW, COIL ENERGIZED LAST RAZ
A1
X2
A3
X1
+
B2
Y2
RAZ
+
B3
Y1
A2
B1
CONTRASTING BEAD
TERMINAL DESIGNATIONS ARE FOR REFERENCE ONLY
AND DO NOT APPEAR ON STANDARD UNITS
NUMBERING SYSTEM
GP250 720 E 00
26V
Basic series designation__________________________|
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1-Coil Resistance_______________________________________|
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2-Terminal Types (E,F)______________________________________|
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3-Mounting Style (00,DB,DJ,DE,DQ,DD,DM,HA,BC,BD,BJ,BN)__________|
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4-Nominal Voltage (06,12,26)_________________________________________|
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
*
Coil resistance/temperature change: See application note no. 001
Date of issue:
7/10
- 24
-
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
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