Datasheet

20
25 Series -
Potentiometers
Audio & Linear
VOLUME CONTROL LESS SWITCH
Replacement controls available in the eight most popular values. High quality carbon elements
which have high stability under most conditions.
15
/16" dia.,
1
/2" deep,
1
/4” dia. shaft,
1
/4"
thread length,
5
/16" shaft length,
5
/16", bushing, fits in
3
/8” hole. 25-324 Long shaft 2” bushing.
1
/2 watt, 20% tolerance, 320° rotation. Supplied with hardware. Solderable terminals.
*25-324 Long Shaft......... 2KW Linear Taper *25-328......................100KW Linear Taper
*25-325 .............................5KW Linear Taper 25-329.......................250KW Linear Taper
25-326............................10KW Linear Taper 25-330...................... 500KW Audio Taper
*25-327............................50KW Linear Taper *25-331..........................1 MW Audio Taper
MINIATURE CONTROLS WITH SWITCH
Designed to provide extremely smooth quiet operation. Semi-log (audio) taper. Fits
5
/16"
hole in panels,
1
/4" shaft,
13
/16" long, including threads, size
5
/8" dia., 1
9
/16" long. Specify
resistance.
1
/2 watt, 20% tolerance, 300° rotation. SPST switch. Switch current 125v @ 3
amps.
*25-316..............................5KW Audio Taper 25-318........................... 50KW Audio Taper
*25-317............................10KW Audio Taper 25-322 ............................1 MW Audio Taper
MINIATURE VOLUME CONTROLS
Replacement control less switch
5
/8" dia, fits
9
/32" hole. Shaft
1
/4" dia.,
9
/16" long including
thread. Supplied with mounting hardware. Specify resistance.
1
/4 watt, 20% tolerance, 300°
rotation. Solderable terminals.
*25-300 .......................... 2KW Linear Taper 25-305 ........................ 250KW Linear Taper
25-300A..........................1KW Linear Taper 25-306 ......................... 500KW Audio Taper
25-301 ............................5KW Linear Taper 25-307 ............................1 MW Audio Taper
25-302 ......................... 10KW Linear Taper *25-308........................... 10KW Audio Taper
*25-303 ......................... 50KW Linear Taper 25-309 ........................... 50KW Audio Taper
*25-304 ....................... 100KW Linear Taper *25-310......................... 100KW Audio Taper
MINIATURE DUAL VOLUME CONTROLS
Extremely smooth action control with
11
/16" dia., fits into
9
/32" hole. Extra long thread
9
/16",
shaft
1
/4" dia. Circuit board mounting tabs. Shaft length
1
/2".
1
/4 watt, 20% tolerance, 300°
rotation. 1” overall length. Solderable terminals.
25-395 .............................5KW Audio Taper *25-397............................ 50KW Audio Taper
25-396 ...........................10KW Audio Taper 25-398 ......... 100KW Linear Taper (.01 watt)
MINIATURE MULTI-CLICK RATCHET CONTROLS-P.C. MOUNT 10 step
11
/16" dia. body,
1
/4" dia. shaft,
9
/16" shaft length, including threads, fits into
9
/32" hole.
7
/8" long
overall.
1
/4 watt, 20% tolerance, 300° rotation. Solderable terminals.
25-420 ...............5KW Linear Taper (.1 watt) *25-428 ......................... 5KW Audio Taper
25-421 .............10KW Linear Taper (.1 watt) *25-429 ....................... 10KW Audio Taper
*25-422 ...........................50KW Linear Taper *25-430 ....................... 50KW Audio Taper
25-423..........................100KW Linear Taper *25-431 ..................... 100KW Audio Taper
25-424......................... 250KW Linear Taper 25-432...................... 250KW Audio Taper
25-433...................... 500KW Audio Taper
MINIATURE MULTI-CLICK DUAL CONTROLS—40 STEP P.C. MOUNT
11
/16" dia., 1
1
/4" long overall,
9
/32" hole size,
1
/4" dia shaft,
9
/16" long shaft including threads.
1
/4
watt, 20% tolerance, 300° rotation. Solderable terminals.
*25-405 ........................ 10KW Linear Taper *25-410........................ 10KW Audio Taper
*25-406 ........................ 50KW Linear Taper 25-411 ........................ 50KW Audio Taper
25-407....................... 100KW Linear Taper 25-412 ...................... 100KW Audio Taper
SUB-MINIATURE VOLUME CONTROLS
Linear taper, extremely smooth for quiet operation.
1
/2" dia. fits into
1
/4” hole. Shaft
3
/16" dia.
Thread length
7
/32", shaft length
9
/16", 1
1
/8" length overall. Supplied with mounting hardware.
Specify resistance. .1watt, 20% tolerance, 300° rotation. (One per package.) Solderable
terminals.
*25-290 .......................... 2KW Linear Taper
*25-294 ...................... 100KW Linear Taper
*25-295 ...................... 250KW Linear Taper
POTENTIOMETERS WITH AN *ASTERISK* NEXT TO THE PART NUMBER ARE BY SPECIAL
ORDER ONLY, PLEASE CONTACT CALRAD FOR ORDERING REQUIREMENTS 323-465-2131
CALRAD