40170

The 40170 is a Combiner/Dividers 4 - Way designed for Microstrip Circuits ,LO Networks,Dividers/Combiners ,Switch Networks ,Balanced Detectors ,Antenna Feeds . The 40170 has the following features including 0.7 ¨C 1.4 GH;4 ¨C Way Power Split; Reliable Performance;Handles 100 Watts ;Meets MIL-E-5400 Class 3 Requirements.
The 40170 ratchet was an early and relatively primitive ratchet, and was probably first offered in the early 1930s, possibly before S-K introduced its alloy-steel socket line. The ratchet remained available at least through 1939, but was not included in any of the standard socket sets in the 1939 catalog. naren Power rating applies when solder tab/coupler interface has been conformally coated. Testing is done at ambient temperature only. Electrical and Mechanical Specifications of the 40170 subject to change without notice.
The 40170 ratchet was a ruggedly made tool with a number of commendable features, including a relatively fine 28-tooth movement, low backdrag, and a soft-acting reverse switch free of spastic movement during operation. Had it not been for the introduction of S-K's hugely successful 42470 (and related) fine-tooth ratchets, the model 4070 might have become quite popular and sold in large quantities. However, as it turned out this model was soon superseded by the 4270 Forged-Handle Ratchet, which incorporated the popular new fine-tooth mechanism. The ratchet 40170 is extremely well made, with the heavy forged handle hardened to the point that a file will barely touch it. The 50-tooth ratchet mechanism uses a pivoting pawl with three teeth on each side, providing a fine action without sacrificing strength. These 40170 ratchets must have been a cause of great excitement when they were introduced in the mid 1930s, as other heavy-duty ratchets of the time had only very coarse actions. At least one major customer was very impressed: Sears Roebuck chose S-K to supply its Craftsman 3/4-drive tools and sockets, even after the contract for the other drive sizes had gone to New Britain Machine. The Craftsman catalogs show that S-K continued to supply the 3/4-drive tools at least until 1949. A later figure shows an example of a Craftsman 3/4-Drive Socket with the "K-Circle" manufacturer's code.