1/4" Jack - Switchcraft, Mono, shunt tip

Switchcraft Type 12A Littel-Jax shorting type phone jack. The switched terminal is normally closed and is usually connected to ground to eliminate hum when unplugged. Includes nut and washer
- Type 12A
- 0.275" bushing length (standard) or 0.375" bushing length (long)
- Mates with standard ¼" plugs and is available with 0.25" inside diameter bushing.
- Mono 2-Conductor.
- Includes nut and washer
- Tip is shunt
Mounting Bushing | Nickel-plated copper alloy. |
Insulation | Rigid plastic |
Springs | Special copper alloy. Fine silver contacts |
Sleeve Terminal | Copper alloy |
Hardware | Supplied with one copper alloy nickel-plated hex nut, and one copper alloy nickel-plated washer |
Switching Diagram for Long (0.375"):

Switching Diagram for Standard (0.275"):

SKU:
W-SC-12A
Item ID:
004913
Brand:
Switchcraft
RoHS Compliant
Bushing Length | Our Part Number | UPC/EAN | Switchcraft Part Number |
---|---|---|---|
Standard (0.275") | W-SC-12A | 609722127080 | 12A |
Long (0.375") | W-SC-L12A | 609722127288 | L12A |
Chassis Hole Diameter | Long (0.375") version | W-SC-L12A | 0.375 in. |
Item Diameter | 0.75 in. | ||
Item Length | Long (0.375") version | W-SC-L12A | 1.115 in. |
Standard (0.275") version | W-SC-12A | 1.015 in. | |
Mounting Hole Diameter | Standard (0.275") version | W-SC-12A | 0.0375 in. |
Plug Diameter | 0.25 in. |
Packaging Dimensions | Long (0.375") version | W-SC-L12A | 1.3 in. × 0.9 in. × 0.8 in. |
Standard (0.275") version | W-SC-12A | 1.3 in. × 0.9 in. × 0.9 in. | |
Weight (Packaging) | 0.0243 lbs. |
W-SC-L12A - Long (0.375") version | Chassis Hole Diameter | 0.375 in. |
Item Diameter | 0.75 in. | |
Item Length | 1.115 in. | |
Plug Diameter | 0.25 in. | |
W-SC-12A - Standard (0.275") version | Item Diameter | 0.75 in. |
Item Length | 1.015 in. | |
Mounting Hole Diameter | 0.0375 in. | |
Plug Diameter | 0.25 in. |
![]() | W-SC-12A |
![]() | W-SC-12A |
![]() | W-SC-L12A |