BFH COMUS | Alldatasheet

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Technical content

Part Number: BFH Series Multi-Pole Instrumentation Reed Relays - 2 Form A, 3 Form A, 1 Form C, and 2 Form C Product Data Sheet PICTURE FEATURES DIMENSIONS

  • Multi-pole designs 2 Form A, 3 Form A, 1 Form C (1A/1B), and 2 Form C
  • High Reliability Instrumentation Grade reed switch with sputtered Ruthenium Form A contacts
  • Optional Electrostatic or Coaxial Shield (BFH-2A & BFH-1C Only)
  • High Insulation Resistance: 1012 Ω MIN (Form 2A, 3A & 1C) & 109 Ω (Form 2C)
  • Metal Cover (reduces magnetic interaction)
  • Industry Standard Packages
  • Custom Designs Available Drawings not to scale. All dimensions in inches (mm) nominal. 0.810 (20.57) 0.500 (12.70) 0.700 (17.78) 1 2 3 4 BOTTOM VIEW 8 7 6 5 0.138 (3.50) Ø 0.018 (Ø 0.45) 0.210 (5.33) 0.370 (9.40) 0.020 (0.50) 0.10 (2.54) 1 2 3 4 1 2 3 4 1 - + 3 4 1 2 3 4 8 7 6 5 8 7 6 5 8 7 6 5 8 5 CIRCUIT DIAGRAM (Top View)

ORDERING INFORMATION

BFH-2A BFH-3A BFH-1C BFH-2C Phone: (1) 973 777 6900 www.comus-intl.com Fax: (1) 973 777 8405 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. BFH 1C* E = Electrostatic Shield (BFH-2A & BFH-1C Only) C = Coaxial Shield (BFH-2A & BFH-1C Only) Part Number Example: BFH-XX-XXX BFH-2A-12E = 2 form A, 12 Volt Coil with Electrostatic Shield NOTE: Model BFH-2A & BFH-1C, pin #6 is tied to optional electrostatic shield, pins #6 & #7 are tied to optional coaxial shield. *1C is polarity sensitive, positive (+) voltage must be applied to coil pin #3. Break-Before-Make is not guaranteed. Series Form Coil Options Relays An ISO 9001 Certified Company 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) 42023510 ©2017 Copyright Comus International, 454 Allwood Road, Clifton NJ 07012, USA Rev: 2 - Date: Oct/2/2017 - Signature: BR NEW! NEW!

1 Form C

(1A/1B) 10 Watt!

Part Number: BFH Series Multi-Pole Instrumentation Reed Relays - 2 Form A, 3 Form A, 1 Form C, and 2 Form C Product Data Sheet Phone: (1) 973 777 6900 www.comus-intl.com Fax: (1) 973 777 8405 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. RELAY MODEL 2A & 3A 1C (1A/1B) 2C Max Contact Rating 10 W 10 W 5 W Max Switching Voltage 200 VDC 200 VDC 100 VDC Max Switching Current 0.5 A 0.5 A 0.25 A Max Carry Current 1.5 A 1.5 A 1.0 A RELAY MODEL 2A & 3A 1C (1A/1B) 2C Static Contact Resistance (Initial) 150 mΩ 150 mΩ 200 mΩ Dielectric Strength Between Contacts (Min) 250 VDC 250 VDC 200 VDC Dielectric Strength Contacts to Shield (Min) 1000 VDC 1000 VDC N/A Dielectric Strength Contacts / Shield to Coil (Min) 1000 VDC 1000 VDC 1000 VDC Insulation Resistance Between all Isolated pins at 100V 25°C, 40%RH (Min) 1012 1012 109 Capacitance - Typical No Shield 0.8 pF 0.8 pF 2.0 pF Capacitance - Typical Shield Guarding 0.2 pF 0.2 pF N/A Operate Time - Including Bounce - Typical 0.5 mS 0.5 mS 1.5 mS Release Time - Typical 0.15 mS 0.5 mS 2.0 mS Vibration 20G Shock 50G Operating Temperature -20°C to +85°C Storage Temperature -40°C to +100°C Life Expectancy (Signal Level 1.0V, 10mA) (Typical) 500 x 106 Ops 500 x 106 Ops 100 x 106 Ops CONTACT RATING SPECIFICATIONS PART NUMBER NOMINAL VOLTAGE DC±10% [V] COIL RESISTANCE ±10% (Ω) MUST OPERATE VOLTAGE MAX [V] at 20°C MUST RELEASE VOLTAGE MIN [V] at 20°C MAX COIL VOLTAGE [V] BFH-2A BFH-3A BFH-2C 5 175 3.8 0.4 7 12 1000 9.0 1.0 16 BFH-1C 5 230 3.8 0.4 7 12 1000 9.0 1.0 16 COIL DATA-STANDARD TYPE (at 20˚C) Relays An ISO 9001 Certified Company 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) 42023510 ©2017 Copyright Comus International, 454 Allwood Road, Clifton NJ 07012, USA Rev: 2 - Date: Oct/2/2017 - Signature: BR NEW! NEW! NEW! (1A/1B) 10 Watt!