Obsolete Relays and their alternatives

A small signal relay replacement solution for many obsolete relays that are no longer available and have not been manufactured for several years and are very difficult to source

Cephos designs and manufactures a range of small signal relay replacements for many obsolete relays that have not been available for several years – relays originally manufactured by Panasonic, Omron, Fujitsu, Tyco, Maysushita, Takamisawa and Siemens and others

These are normally available from stock for immediate shipment – Cephos supplies many major Electronic Manufacturers directly to many Countries throughout the world

Obsolete relays

Fujitsu BT53 relay

Fujitsu FBR46 relay

Omron G5A-234P relay

Panasonic DF2 relay

All of these BT53 type obsolete small signal relays with a two pole changeover configuration can be replaced with either a Cephos C-BT53 or a CH-BT53 which are usually available from stock with coil voltages of 5V, 12V and 24V. Other voltages are available on a short lead time.

C-BT53 relay

CH-BT53 relay

Panasonic DS4E relay

Fujitsu RA4-12W relay

Omron G6A-434P relay

IMO EN4-CW

All of these DS4E type obsolete small signal relays with a four pole changeover configuration can be replaced with a Cephos C-DS4E  or a CH-DS4E which are usually available from stock with coil voltages of 5V, 12V and 24V. Other voltages are available on a short lead time.

C-DS4E relay

CH-DS4E relay

DS4E relay alternative

TE / Axicom MT4 relay

Siemens V23104 relay

Both of these MT4 type obsolete small signal relays with a four pole changeover configuration can be replaced with either a Cephos C-MT4 or a CH-MT4 which are usually available from stock with coil voltages of 5V, 12V and 24V. Other voltages are available on a short lead time.

C-MT4 relay

CH-MT4 relay

Panasonic NF4EB relay

Omron LZN4 relay

Zettler AZ7-4C relay

All three of these NF4EB type obsolete small signal relays with a four pole changeover configuration can be replaced with a Cephos C-NF4EB  or a CH-NF4EB which are usually available from stock with coil voltages of 5V, 12V and 24V. Other voltages are available on a short lead time.

C-NF4EB relay

CH-NF4EB relay

Original Relay Manufacturer

Panasonic

Original Part Number Prefix

DS4E-ML2

Panasonic Part Number

DS4E-ML2

This obsolete two coil bistable small signal relay with a four pole changeover configuration can be replaced with a Cephos C-DS4E-L2 which is available from stock with coil voltages of 5V, 12V and 24V. Other voltages are available on a short lead time.

Cephos C-DS4E-L2 relay

Original Relay Manufacturer

Panasonic

Original Part Number Prefix

TK1

Panasonic Part Number

TK1

This obsolete small signal relay with a single pole changeover configuration can be replaced with a Cephos C-TK1 which is available from stock with coil voltages of 5V, 12V and 24V. Other voltages are available on a short lead time.

Cephos C-TK1 relay

Original Relay Manufacturer

Panasonic

Original Part Number Prefix

TQ4

Panasonic Part Number

TQ4

This obsolete small signal relay with a four pole changeover configuration can be replaced with a Cephos C-TQ4 which is available from stock with coil voltages of 5V, 12V and 24V. Other voltages are available on a short lead time.

Cephos C-TQ4 relay

A short presentation of some of the different versions

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