Western Electric Resistance Lamps

No. 13 Type

The No. 13 Type Resistance Lamps are the same as the No. 12 Type Resistance Lamps except they are equipped with moulded bases and soldering terminals instead of the screw bases. Approximate overall length 4 - 1/4 inches. Diameter approximately 15/16 inch. They are designed to mount on relay rack mounting plates on 1 inch centers and will also mount on mounting plates drilled or punched for E, R or U type relays. A tapped hole in the base permits each lamp to be mounted by means of a .138 inch - 32 screw which is furnished as a part of the lamp. Designed to be mounted in a horizontal position and with the soldering terminals in a horizontal plane.

The following table shows the current through the lamp when measured at the following specified voltages:

Code No. 1 V 2 V 5 V 10 V 24 V 30 V 40 V 90 V
13A .070   .135       .300  
13B       .020   .039   .075
13C       .030   .058   .110
13D       .046   .093   .176
13E       .055   .107   .210
13F   .150 .240   .585      
13G       .120   .230   .430
13H   .066 .110   .280      
13J .145   .270       .650  
13L     .070 .100       .205
13M       .175   .260   .410
13N .020   .055       .103