FULL SIZE CRYSTAL CAN RELAY
SENSITIVE 25 and 40 MILLIWATT
Product Description
Series
BK
This ultra sensitive full size crystal can relay series, offers switching capability of low level signals up to 2 amperes under the most
extreme environmental conditions. It is low coil sensitivity and high contact current carrying capacity makes these relays ideal for a
variety of applications. In a unique design, motor efficiency and the proven contact structure of qualified relays, offer sensitivities from
25 milliwatts with low level switching to 2 amperes, low profile, proven designs and wide selection of coil values to provide the designer
with a consistent high quality product for today’s and tomorrow design.
The following construction features ensure the highest reliability in extreme environments:
-
All welded relay construction
-
Cleaning and sealing techniques ensures maximum internal cleanliness
-
Low level to 2 amperes switching
-
1 or 2 form C, SPDT or DPDT contacts, special metal alloy with gold plating
Series Types
-
-
1BK
2BK
1 form C, SPDT
2 form C, DPDT
Environmental and Physical Specifications
Temperature (Ambient)
Shock
Vibration (sinusoidal)
Acceleration
Sealing
Weight
- 65°C to + 125°C
100 g, 6 ms.
20 g, 10 to 2000 Hz
30 g
All welded, Hermetic
1,0 oz. (28,35 grams) max.
Electrical Characteristics
(over the Temperature range. Unless otherwise noted)
Coil Data
Contact Rating
(Note: All ratings with grounded
case)
Contact Resistance
Operate Time
Release Time
Contact Bounce
Dielectric Strength
Insulation Resistance
Intercontact Capacitance
Sensitivity
See Typical Characteristics chart
Type Load
Contact Load
Cycles min.
Low Level
10 mA / 30 mV
1.000.000
Resistive
2 A / 28 Vdc
100.000
1 A / 115Vac, 400 Hz
100.000
0,3 A / 115 Vac, 60 Hz
100.000
Overload
4 A / 28 Vdc
100
Inductive
0,75 A / 28 Vdc (200 mH)
100.000
0,05
max. initial
8,0 ms. max. at 25°C
4,0 ms. max. at 25°C
3,0 ms. max. at 25°C
1.000 Vrms min., 60 Hz, all points, 500 Vrms min. between open contacts and coil to case, at sea level
1.000 M min. all points at 500 Vdc
2,5 pF between contacts
Series 1BK: 25 mW at pick-up, 110 mW typical at nominal rated coil voltage, at 25 °C
Series 2BK: 40 mW at pick-up, 160 mW typical at nominal rated coil voltage, at 25 °C
High Generation S.r.l.
Tel: + 39 06 96873136
Fax: + 39 06 94443060
69
REV. 0/2012
FULL SIZE CRYSTAL CAN RELAY
SENSITIVE 25 and 40 MILLIWATT
Typical Characteristics
Voltage
Code
101
102
103
104
105
106
107
109
112
113
118
120
128
135
Coil
Resistance
at 25°C ±
10%
20
30
50
75
100
200
300
500
875
1000
2000
2500
5000
7000
Series Type 2BK - DPDT – 40 mW
Nominal
Nominal
Pick-up
Coil
Coil
mA
Voltage
Current
Max. at
Vdc
mA
25°C
1,8
89,2
44,6
2,2
73,0
36,5
2,8
56,6
28,3
3,5
46,2
23,1
4,0
40,0
20,0
5,7
28,4
14,2
7,0
23,0
11,5
9,0
17,8
8,9
12,0
13,5
6,8
12,6
12,6
6,3
18,0
8,9
4,5
20,0
8,0
4,0
28,0
5,6
2,8
32,0
4,8
2,4
Drop-out
mA
Min. at 25°C
4,5
3,7
2,8
2,3
2,0
1,4
1,2
0,90
0,70
0,64
0,50
0,40
0,30
0,24
Nominal
Coil
Voltage
Vdc
1,4
1,8
2,2
2,8
3,2
4,5
5,5
7,1
9,4
10,0
14,2
15,8
22,5
28,0
Series
BK
Series Type 1BK - SPDT – 25 mW
Nominal
Pick-up
Drop-out
Coil
mA
mA
Current
Max. at
Min. at 25°C
mA
25°C
70,6
35,3
3,5
57,6
28,8
2,9
44,6
22,3
2,3
36,6
18,3
1,8
31,6
15,8
1,6
22,4
11,2
1,2
18,2
9,1
0,90
14,2
7,1
0,70
10,7
5,4
0,54
10,0
5,0
0,50
7,1
3,6
0,36
6,3
3,2
0,32
4,5
2,3
0,23
3,8
1,9
0,18
Terminal Styles
1
Solder Lug
Schematic Diagrams
2
Plug in
4
Wire Lead
1 pole
Blue Bead
.190 (4,82)
max.
.187 (4,75)
± .020 (0,51)
2 poles
1.500 (38,1)
min.
Blue Bead
Note:
- Dimensions are shown in inches (millimetres)
- Terminal spacing is .200 (5,08). Terminal diameter is .030 (0,76) + .003 (0,08) - .002 (0,05)
Note:
- Schematics are viewed from terminals
Mounting Styles
.810 (20,57)
max.
.900
(22,86)
max.
1.320 (33,53)
max.
.412 (10,47)
4 - 40 UNC
.375 (9,53)
.157 (3,99)
.177 (4,53)
.295 (7,49)
.275 (6,99)
.498 (12,65)
.478 (12,14)
.125
(3,18)
.230 (5,8)
.210 (5,3)
4 - 40 UNC
.375 (9,5)
1.320 (33,53)
max.
.030 (0,76)
.370 (9,40)
.410
(10,41)
max.
.250
(6,35)
1.062 (26,97)
Ø .120 (3,05)
.045 (1,14)
.040 (1,02)
.031
(0,79)
Ø .096 (2,44)
1.078 (27,38)
.310
(7,8)
A
B
C
D
E
Note:
- Dimensions are shown in inches (millimetres)
How to Order (Part Numbering System)
2BK
Series
Terminal Style
Mounting Style
-2
A
- 128 P
Insulating Pad (optional)
Voltage Code
High Generation S.r.l.
Tel: + 39 06 96873136
Fax: + 39 06 94443060
70
REV. 0/2012
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