1.34
0.15
SEE NOTE 2
0.208
0.254 REF
3/8-32 UNEF-2A
THREAD
HEX NUT
SEE NOTE 4
WASHER
SEE NOTE 4
0.25
0.615±0.010
DIM "A"
SEE NOTE 2
DIM "B"
SEE NOTE 2
0.113±0.020
SEE NOTE 2
0.025
SEE NOTE 2
C
L
1.162
0.390
0.187
0.762
0.500 0.462
SN49B14B
SHOWN
C
L
T
S
2 CONDUCTOR SINGLE OPEN CIRCUIT
HOUSING
SN49B11
TIP SPRING
SLEEVE SPRING
2 CONDUCTOR SINGLE CLOSED CIRCUIT
T
S
TB
SN49B12A
HOUSING
TIP SHUNT
SPRING
TIP SPRING
SLEEVE SPRING
3 CONDUCTOR DOUBLE OPEN CIRCUIT
R
T
S
HOUSING
SN49B12B
TIP SPRING
RING SPRING
SLEEVE SPRING
3 CONDUCTOR DOUBLE CLOSED CIRCUIT
S
TB
T
RB
R
SN49B14B
HOUSING
TIP SHUNT
SPRING
TIP SPRING
RING SPRING
SLEEVE SPRING
RING SHUNT
SPRING
0.187
0.390
0.300
0.500
0.700
0.128
TYP
0.057
TYP
TB
RB
T
R
S
C
L
RECOMMENDED
PC BOARD LAYOUT
COMPONENT SIDE
NOTES:
1. MAY BE USED WITH PC BOARD THICKNESSES
RANGING FROM 0.054 - 0.070.
2. THESE DIMENSIONS VARY DEPENDING ON PCB THICKNESS.
DIMENSIONS SHOWN ARE FREE STATE AS SHIPPED.
3. MATERIAL SPECIFICATIONS:
HOUSING - THERMOPLASTIC, BLACK.
SPRINGS - SPECIAL COPPER ALLOY, TINNED.
HARDWARE - COPPER ALLOY, NICKEL PLATED.
4. HARDWARE SHIPPED UNASSEMBLED.
5. THESE PRODUCTS ARE RoHS COMPLIANT.
PART
NUMBER
DIM "A" DIM "B"
FREE
STATE
WITH 0.062
THICK PCB
FREE
STATE
WITH 0.062
THICK PCB
SN49B11
0.504 0.492 0.720 0.708
SN49B12A
0.504 0.492 0.720 0.708
SN49B12B
0.504 0.492 0.720 0.708
SN49B14B
0.504 0.492 0.720 0.708
DO NOT SCALE DRAWING
REVISIONS
APVD
BY
DATE
ECO NUMBER
REV
REV
PART No.
NAME
OF
SHEET
APVD
CHKD
BY
DATE DRAWN
SCALE
FIRST USED ON
SPEC No.SPEC No.
MATERIAL
FINISH
UNLESS OTHERWISE SPECIFIED
TEMPER
LBS/M
MULT
WIDTH
SIZE
THIS DRAWING DESCRIBES A DESIGN CONSIDERED PROPRIETARY IN NATURE, DEVELOPED AND MANUFACTURED
BY SWITCHCRAFT INC. AND IS RELEASED ON A CONFIDENTIAL BASIS FOR IDENTIFICATION PURPOSES ONLY.
1
2
3
4
5
6
7
8
A
B
C
D
E
F
4
5
6
7
8
A
B
C
D
E
F
C
D
CAD REDRAW
ECO #27409
11/17/14
PC
3:1
06/28/83
VL
VL
KR
07/15/83
07/18/83
1 1
PHONE JACK
INSULATED BUSHING
SN49B SERIES
D
1. ALL DIMENSIONS IN INCHES
- TWO PLACE DECIMALS
0.02
- THREE PLACE DECIMALS
0.005
SolidWorks CAD File
CUSTOMER DRAWING
TJK
