Comus-International-BFM-1A-05C
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Relays
Part Number: BFM Series
1A, 1C Instrumentation Reed Relays
Product Data Sheet
PICTURE
FEATURES
• High Reliability Instrumentation Grade (
) reed switch with
sputtered Ruthenium contacts
• 1 Form A and 1 Form C contacts
• Industry Standard Footprints
• Ideal for
T
e
st and Instrumentation applications
• Hermetically sealed contacts for long life
• Optional Electrostatic Shield or Coaxial (50Ω impedance).
• High Insulation Resistance: 10
12
Ω MIN (Form A)
• Metal Cover (reduces magnetic interaction)
CIRCUIT DIAGRAM
(
T
o
p View)
8
1
7
6
5
8
7
6
5
2
3
4
1
2
3
4
1 FORM A
1 FORM C
Unused pins are omitted
ORDERING INFORMATION
Series
Form
Coil
Options
1A
1C
05
12
E =
E/S (Tied to pin #7)
BFM
C =
Coaxial (Tied to pins #6 & #7)
Part Number Example:
BFM-XX-XXX
BFM-1A-05E = 1 form A, 5 Volt Coil with E/S Shield
DIMENSIONS
0.250
(6.35)
0.820 (20.83)
0.300 (7.62)
0.020
(0.51)
0.125 (3.18)
Ø 0.018
(Ø 0.45)
0.100
(2.54)
0.075
(1.90)
0.100
(2.54)
0.600 (15.24)
0.700 (17.78)
0.060
(1.50)
Drawings not to scale.
All dimensions in inches (mm) nominal.
As part of the company policy of continued product improvement, specifications may change without notice. Our sales office will be pleased to help you with the latest information on this product range and
the details of our full design and manufacturing service. All products are supplied to our standard conditions of sale unless otherwise agreed in writing.
Phone: (1) 973 777 6900
Fax: (1) 973 777 8405
Belgium: + 32 (0)12 390400 – Comus Europe Ltd (Assemtech) UK: +44 (0) 1255 862236 – Germany: +49 (0)911 923 15 943 – Netherlands: +31(0)45 54 39 345 – India: +(91) (44) 43219090
©2015 Copyright Comus International, 454 Allwood Road, Clifton NJ 07012, USA
5 / 2015
An ISO 9001 Certified Company
Relays
Part Number: BFM Series
1A, 1C Instrumentation Reed Relays
Product Data Sheet
COIL DATA-STANDARD TYPE 1 FORM A (at 20
˚
C)
NOMINAL COIL
VOLTAGE (VDC)
COIL RESISTANCE
MAX OPERATE
VOLTAGE (VDC)
MIN RELEASE
MAX COIL
VOLTAGE (VDC)
±
10% (
Ω
)
VOLTAGE (VDC)
5
370
3.8
9
0.4
1
7
12
1500
16
COIL DATA-STANDARD TYPE 1 FORM C (at 20
˚
C)
NOMINAL COIL
VOLTAGE (VDC)
COIL RESISTANCE
MAX OPERATE
VOLTAGE (VDC)
MIN RELEASE
MAX COIL
VOLTAGE (VDC)
±
10% (
Ω
)
VOLTAGE (VDC)
5
230
3.8
9
0.4
1
7
12
1500
16
CONTACT RATING
REL
A
Y
M
ODEL
1A
10 W
1C
Max Switching Power
Max Switching Voltage
Max Switching Current
Max Carry Current
5 W
200 VDC
0.5 A
150 VDC
0.25 A
1 A
1.5 A
SPECIFICATIONS
REL
A
Y
M
ODEL
1A
1C
Contact Resistance (Initial)
100 mΩ
0.5 ms
0.1 ms
150 mΩ
1.0 ms
2.0 ms
Operate Time – including Bounce (at Nominal Voltage) (Typical)
Release Time (Typical)
Insulation Resistance Between all Isolated pins
(+20°C, 40%RH, 100V) (MIN)
10
12
Ω
10
9
Ω
Dielectric Strength: Across Contacts (DC/Peak AC Resistive) (MIN)
Dielectric Strength: Contacts to Coil (DC/Peak AC Resistive) (MIN)
350 V
350 V
200 V
200 V
Dielectric Strength: Contacts/Shield to Coil (DC/Peak AC Resistive) (MIN)
1500 V
1500 V
Capacitance Across Open Contacts: Shield Floating/Guarding (Typical)
1.0 / 0.3 pF
2.0 / 1.0 pF
Vibration
20G
Shock
50G
Operating
T
e
mperature
Storage
T
e
mperature
-25°C to 85°C
-35°C to 100°C
500 x 10
6
Ops
100 x 10
6
Ops
Life Expectancy (1.0
V
, 10mA Load) (Typical)
As part of the company policy of continued product improvement, specifications may change without notice. Our sales office will be pleased to help you with the latest information on this product range and
the details of our full design and manufacturing service. All products are supplied to our standard conditions of sale unless otherwise agreed in writing.
Phone: (1) 973 777 6900
Fax: (1) 973 777 8405
Belgium: + 32 (0)12 390400 – Comus Europe Ltd (Assemtech) UK: +44 (0) 1255 862236 – Germany: +49 (0)911 923 15 943 – Netherlands: +31(0)45 54 39 345 – India: +(91) (44) 43219090
©2015 Copyright Comus International, 454 Allwood Road, Clifton NJ 07012, USA
5 / 2015
An ISO 9001 Certified Company
