SM20
Vishay Dale
Rack and Panel Connectors
Subminiature Rectangular
FEATURES
SMP20
SMS20
ELECTRICAL SPECIFICATIONS
Current Rating:
7.5 amps.
Breakdown Voltage:
At sea level: 2000 V RMS.
At 70,000 feet [21,336 meters]: 500 V RMS.
•
Lightweight.
•
Polarized by guides or screwlocks.
•
Screwlocks lock connectors together to withstand vibration
and accidental disconnect.
•
Overall height kept to a minimum.
•
Floating contacts aid in alignment and in withstanding
vibration.
•
Contacts, precision machined and individually gauged,
provide high reliability.
•
Insertion and withdrawal forces kept low without increasing
contact resistance.
•
Contact plating provides protection against corrosion,
assures low contact resistance and ease of soldering.
APPLICATIONS
For use wherever space is at a premium and a high quality
connector
is
required
in
avionics,
automation,
communications,
controls,
instrumentation,
missiles,
computers and guidance systems.
PHYSICAL SPECIFICATIONS
Number of Contacts:
5, 7, 11, 14, 20, 26, 34, 42, 50, 75.
Contact Spacing:
.120" [3.05mm].
Contact Gauge:
#20 AWG.
Minimum Creepage Path Between Contacts:
.080" [2.03mm].
Minimum Air Space Between Contacts:
.050" [1.27mm].
MATERIAL SPECIFICATIONS
Contact Pin:
Brass, gold plated.
Contact Socket:
Phosphor bronze, gold plated.
(Beryllium copper available on request.)
Guides:
Stainless steel, passivated.
Screwlocks:
Stainless steel, passivated.
Standard Body:
Glass-filled diallyl phthalate per MIL-M-14,
Model GDI-30F, green.
DIMENSIONS
in inches [millimeters]
SMS
With Fixed Standard Guides
.470
[11.94]
.220
[5.59]
.030
[.762]
Typ.
SMDS - DETAIL B
Dip Solder Contact Option
SMP
With Fixed Standard Guides
.530
[13.46]
.220
[5.59]
.046 [1.17]
Dia. Solder Cup
#20 AWG Typ.
See
Detail C
SMDP - DETAIL C
Dip Solder Contact Option
.141
[3.58]
Typ.
.190 [4.83]
Typ.
2-56 UNC-2A
Threads Typ.
.156 [3.96]
Typ.
See
Detail B
.187
[4.75]
Typ.
.120
[3.05]
.187
[4.75]
Typ.
.030
[.762]
Typ.
.141 [3.58]
Typ.
.040 [1.02]
Dia. Typ.
.040
±
.001
[1.02
±
.025]
Dia. Typ.
SMS
With Fixed (SL) Screwlocks
SMP
With Turnable (SK) Screwlocks
SMS
With Turnable (SK) Screwlocks
SMP
With Fixed (SL) Screwlocks
.530
[13.46]
.520
[13.21]
.220
[5.59]
.110
[2.79]
2-56 UNC-2A
Thread is
standard
.220
[5.59]
.120
[3.05]
.920
[23.37]
.910
[23.11]
.220
[5.59]
.220
[5.59]
.110
[2.79]
.120
[3.05]
.046 [1.17]
Wide x
.062 [1.57]
Deep Typ.
2-56 UNC-2A
Thread is
standard
www.vishay.com
1
For technical questions, contact: connectors@vishay.com
Document Number: 36010
Revision: 15-Feb-07
SM20
Vishay Dale
DIMENSIONS
in inches [millimeters]
SMS
With Turnable
(SK030) Screwlocks
.580
[14.73]
SMP
With Turnable
(SK035) Screwlocks
.610
[15.49]
A
View A-A Typ.
SMS
With Turnable
(SK035) Screwlocks
.595
[15.11]
.220
[5.59]
.110
[2.79]
SMP
With Turnable
(SK030) Screwlocks
.590
[14.99]
.220
[5.59]
.110
[2.79]
2-56 UNC-2A
Thread is
standard
.220
[5.59]
.120
[3.05]
.093 [2.36]
Hex Typ.
.220
[5.59]
.120
[3.05]
.046 [1.17]
Wide x
.062 [1.57]
Deep Typ.
.046 [1.17]
Wide x
.062 [1.57]
Deep Typ.
A
.156 [3.96]
Dia.
2-56 UNC-2A
Thread is
standard
.156
[3.96]
Dia.
TERMINAL VARIATIONS
in inches [millimeters]
DIP SOLDER PC BOARD MOUNTING PATTERNS
Male (SMP) Connector is shown - Female is opposite. Contact row and Mating Hole C to C Dimensions also applies to Solder Cup Connectors.
L
L
.093 [2.36]
Dia. Typ.
B
A
.0625 [1.59]
Typ.
.250
[6.35]
Ref.
A
B
.093 [2.36]
Dia. Typ.
.531
[13.49]
.0625 [1.59]
Typ.
.375
[9.53]
Ref.
.054
[1.37]
Typ.
.0625 [1.59]
Typ.
.375
[9.53]
Ref.
.108
[2.74]
Typ.
C
B
A
.093 [2.36]
Dia. Typ.
.625
[15.88]
.0625 [1.59]
Typ.
C
.093 [2.36]
Dia. Typ.
B
A
.625
[15.88]
.125 [3.18]
Typ.
.108 [2.74]
Ref.
7 CONTACTS
.500
[12.70]
Ref.
.108
[2.74]
Typ.
.750
[19.05]
.125
[3.18]
.216 [5.49] Typ.
Ref.
14 CONTACTS
.054 [1.37]
.140 [3.56]
Typ.
Typ.
.108 [2.74]
Ref.
5 CONTACTS
.125
[3.18]
.216 [5.49] Typ.
Ref.
11 CONTACTS
.0625 [1.59]
Typ.
.0625 [1.59]
Typ.
C
B
A
.093 [2.36]
Dia. Typ.
.0625 [1.59]
Typ.
1.000
[25.40]
Ref.
.093 [2.36]
Dia. Typ.
C
B
A
.093 [2.36]
Dia. Typ.
C B A
.750
[19.05]
Ref.
.108 [2.74]
Typ.
1.0
[25.40]
1.25
[31.75]
1.000
[25.40]
Typ.
1.312
[33.32]
.216 [5.49]
Ref.
.125 [3.18]
Typ.
.108 [2.74]
Typ.
.125 [3.18]
Typ.
.216 [5.49]
Ref.
26 CONTACTS
.093 [2.36]
Dia. Typ.
C
B
A
.054 [1.37]
Typ.
.156 [3.96]
Typ.
.108 [2.74]
Typ.
.324 [8.23]
Ref.
34 CONTACTS
.093 [2.36]
Dia. Typ.
C B A
20 CONTACTS
.0625 [1.59]
Typ.
C
B A
.093 [2.36]
Dia. Typ.
.0625 [1.59]
Typ.
.220 [5.59]
.110
[2.79]
1.250
[31.75]
Ref.
1.562
[39.67]
.156
[3.96]
Typ.
.108
[2.74]
Typ.
1.500
[38.10]
Ref.
1.812
[46.02]
.156
[3.96]
Typ.
.0625
[1.59]
Typ.
1.500
[38.10]
Ref.
1.812
[46.02]
.054 [1.37]
Typ.
.324 [8.23]
Ref.
42 CONTACTS
.054 [1.37]
Typ.
.324 [8.23]
Ref.
.108
[2.74]
Typ.
.108
[2.74]
Typ.
.156 3.96]
Typ.
.540 [13.72]
Ref.
75 CONTACTS
50 CONTACTS
Document Number: 36010
Revision: 15-Feb-07
For technical questions, contact: connectors@vishay.com
www.vishay.com
2
SM20
Vishay Dale
DIMENSIONS
in inches [millimeters]
NOTE:
The views below show the wiring side of a pin model connector (female is opposite). Socket hardware is assembled at “A” contact
end of a pin model connector.
.230
[5.84]
.090 [2.29]
R Typ.
A
A
C
D
E
B
A
B
B
C
E
H
D
F
C
E
H
L
J
M
F
K
.230
[5.84]
.340
[8.64]
.170
[4.32]
.340
[8.64]
.340
[8.64]
.170
[4.32]
A
C
B
D
E
H
J
L
M
R
U
S
V
X
F
K
N
.170
[4.32]
A
B
E
J
C
F
K
N
.780
.531 [19.81]
[13.49]
.625
[15.88]
D
.870
[22.10]
.625
[15.88] .870
[22.10]
D
H
L
P
.750
[19.05]
1.0
[25.40]
1.0
[25.40]
1.25
[31.75]
M
R
P
T
W
5 CONTACTS
7 CONTACTS
11 CONTACTS
14 CONTACTS
20 CONTACTS
.340
[8.64]
.500
[12.70]
.170
[4.32]
.340
[8.64]
.250
[6.35]
.500
[12.70]
.340
[8.64]
.250
[6.35]
A
D
H
L
M
P
R
T
U
W
Z
c
X
a
B
E
J
C
F
K
N
S
V
Y
b
HH
d
MM
A
C
B
E
F
K
P
R
L
H
J
M
N
S
T
W
X
AA
BB
EE
FF
KK
LL
NN
D
A
E
K
B
F
L
R
V
Z
C
H
M
S
W
AA
BB
EE
KK
PP
FF
LL
RR
UU
VV
XX
D
J
N
T
X
1.25
[31.75]
1.50
[38.10]
1.312
[33.32]
1.56
[39.62]
P
U
Y
CC
U
V
Y
CC
Z
DD
JJ
1.562
[39.68]
1.81
[45.97]
DD
HH
JJ
MM
NN
SS
TT
WW
26 CONTACTS
34 CONTACTS
.720
[18.29]
.560
[14.22]
42 CONTACTS
.500
[12.70]
.250
[6.35]
A
E
K
P
U
V
B
F
L
R
C
H
J
M
S
W
T
X
N
D
Female Screwlock Socket
or Guide Socket
.156 [3.96]
Typ.
.090
[2.29]
Typ.
.340
[8.64]
.220
[5.59]
A
H
P
W
c
R
X
d
k
B
J
C
K
S
Y
f
g
m
t
n
D
L
T
Z
E
M
U
a
h
p
F
N
V
b
i
Y
AA BB
CC Z EE
FF
DD
KK
HH
LL
JJ
PP
MM
NN
RR
UU
SS
TT
VV
YY
WW
ZZ
XX
A
c
a
d
b
f
e
1.812
[46.02]
2.06
[52.32]
j
r
x
AD
AL
AT
AZ
BF
p
v
u AB w
z AA
AC
y AF
AJ
AE
AK
AH
AN
AR
AS
AP
AM
AX
AV
AY
AW
AU
BO
BB
BE
BA
BC
BH
BJ
s
1.812
[46.02]
2.06
[52.32]
Female Guide
Socket
TYPICAL END VIEW
34 THRU 50 CONTACTS
Male Screwlock Pin
or Guide Pin
.090
[2.29]
Typ.
.156 [3.96]
Typ.
Male Guide Pin
50 CONTACTS
75 CONTACTS
TYPICAL END VIEW
75 CONTACTS
www.vishay.com
3
For technical questions, contact: connectors@vishay.com
Document Number: 36010
Revision: 15-Feb-07
SM20
Vishay Dale
PANEL CUTOUT
in inches [millimeters]
A
D
.312
[7.93]
NUMBER OF
CONTACTS
.093 [2.36]
Dia. Typ.
A
.230
[5.84]
.230
[5.84]
.340
[8.64]
.340
[8.64]
.340
[8.64]
.340
[8.64]
.500
[12.70]
.500
[12.70]
.500
[12.70]
.720
[18.29]
B
.531
[13.49]
.625
[15.88]
.625
[15.88]
.750
[19.05]
1.0
[25.40]
1.25
[31.75]
1.312
[33.32]
1.562
[39.68]
1.812
[46.02]
1.812
[46.02]
C
.410
[10.41]
.500
[12.70]
.530
[13.46]
.620
[15.75]
.910
[23.11]
1.16
[29.46]
1.16
[29.46]
1.41
[35.81]
1.66
[42.16]
1.66
[42.16]
D
—
—
—
—
—
—
.343
[8.71]
.343
[8.71]
.343
[8.71]
.562
[14.28]
FIGURE
I
5
7
A
D
.093 [2.36]
Dia. Typ.
C
11
14
B
20
26
A
.093
[2.36]
C
B
C
34
B
II
42
.093
[2.36]
FIGURE I
FIGURE II
.218
[5.54]
50
75
FIGURE III
III
ORDERING INFORMATION
C
CONTACTS
SM
MODEL
B
CONTACT
TYPE
S
CONTACT
STYLE
P = Pin
S = Socket
20
CONTACT
SIZE
#20 AWG
–
G
-
26
PLATING
NUMBER
OF
CONTACTS
5, 7, 11, 14, 20,
26, 34, 42, 50, 75
R
(OPTIONAL)
027*
HARDWARE
OPTIONS
Subminiature
(OPTIONAL)
Closed entry socket
contacts only. Omit
for standard contacts.
Optional plating available:
G= Gold (.00003 thick) over nickel.
G5= Gold (.00005 thick) over nickel.
Omit designator for gold (.00001
thick) over nickel.
(OPTIONAL)
R = Reversed guides
or screwlocks.
Omit for standard.
(OPTIONAL)
B = Beryllium copper, socket
contacts (Solder cup).
D = Dip solder contacts.
EXAMPLES:
SMBS20-26SK035 = Female, 26
beryllium
copper socket contacts
with
socket head knobs on turnable screwlocks for #20 AWG
wiring.
SMP20-14SL3 = Male, 14 contact pins, fixed screwlocks
with
3-48 threads
for #20 AWG
wiring.
(Omit if no hardware desired)
027 = Slotted cres guides .090" [2.29mm]
diameter.
SK = Turnable screwlocks
with
2-56
threads.
SK3 = Turnable screwlocks
with
3-48
threads.
SL = Fixed screwlocks
with
2-56 threads.
SL3 = Fixed screwlocks
with
3-48 threads.
SK030 = Turnable screwlocks
with
short
slotted knobs.
SK035 = Turnable screwlocks
with
socket
head knobs.
SK3030 = Turnable screwlocks
with
short
slotted knobs
with
3-48 threads.
SK3035 = Turnable screwlocks
with
socket head knobs
with
3-48 threads.
*To order complete connector
with
hardware supplied
unassembled,
add suffix “UA” on end of hardware designation.
Document Number: 36010
Revision: 15-Feb-07
For technical questions, contact: connectors@vishay.com
www.vishay.com
4
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
www.vishay.com
1
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