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Printed-circuit board connector-SMSTB 2,5/ 4-ST-5,08 BK-1863712
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PCB connector, nominal cross section: 2.5 mm², color: black, nominal current: 12 A, rated voltage (III/2): 320
V, contact surface: Tin, type of contact: Female connector, number of potentials: 4, Number of rows: 1, Number
of positions per row: 4, number of connections: 4, product range: SMSTB 2,5/..-ST, pitch: 5.08 mm, connection
method: Screw connection with tension sleeve, screw head form: L Slotted, conductor/PCB connection direction:
-45 °, Locking clip: - Locking clip, plug-in system: CLASSIC COMBICON, Locking: without, mounting: without,
type of packaging: packed in cardboard
The figure shows a 10-position
version of the product
Your advantages
Well-known connection principle allows worldwide use
Optimized for tight installation situations: operation and conductor connection from one direction
Angled conductor connection enables operation and conductor connection from one direction
Low temperature rise, thanks to maximum contact force
Key Commercial Data
Packing unit 1 pc
Minimum order quantity 50 pc
GTIN
GTIN 4017918230920
Weight per Piece (excluding packing) 7.960 g
Custom tariff number 85366990
Country of origin Germany
Technical data
Item properties
Brief article description PCB connector
Connector system CLASSIC COMBICON
Type of contact Female connector
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Printed-circuit board connector-SMSTB 2,5/ 4-ST-5,08 BK-1863712
Technical data
Item properties
Range of articles SMSTB 2,5/..-ST
Pitch 5.08 mm
Number of positions 4
Drive form screw head Slotted(L)
Locking without
Number of levels 1
Number of connections 4
Number of potentials 4
Electrical parameters
Nominal current 12 A
Nom. voltage 320 V
Rated voltage (III/3) 250 V
Rated voltage (III/2) 320 V
Rated voltage (II/2) 630 V
Rated surge voltage (III/3) 4 kV
Rated surge voltage (III/2) 4 kV
Rated surge voltage (II/2) 4 kV
Connection capacity
Connection method Screw connection with tension sleeve
pluggable Yes
Conductor cross section solid 0.2 mm² ... 2.5 mm²
Conductor cross section flexible 0.2 mm² ... 2.5 mm²
Conductor cross section AWG / kcmil 24 ... 12
Conductor cross section flexible, with ferrule without plastic sleeve 0.25 mm² ... 2.5 mm²
Conductor cross section, flexible, with ferrule, with plastic sleeve 0.25 mm² ... 2.5 mm²
2 conductors with same cross section, solid 0.2 mm² ... 1 mm²
2 conductors with same cross section, flexible 0.2 mm² ... 1.5 mm²
2 conductors with same cross section, flexible, with ferrule without plastic
sleeve 0.25 mm² ... 1 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with
plastic sleeve 0.5 mm² ... 1.5 mm²
Cylindrical gauge a x b / diameter 2.8 mm x 2.0 mm / 2.4 mm
Stripping length 7 mm
Torque 0.5 Nm ... 0.6 Nm
Flange specifications
Type of locking without
Mounting flange without
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Printed-circuit board connector-SMSTB 2,5/ 4-ST-5,08 BK-1863712
Technical data
Material data - contact
Note WEEE/RoHS-compliant, free of whiskers according to IEC 60068-2-82/
JEDEC JESD 201
Contact material Cu alloy
Surface characteristics hot-dip tin-plated
Metal surface terminal point (top layer) Tin (4 - 8 µm Sn)
Metal surface contact area (top layer) Tin (4 - 8 µm Sn)
Material data - housing
Housing color black (9005)
Insulating material PA
Insulating material group I
CTI according to IEC 60112 600
Flammability rating according to UL 94 V0
Glow wire flammability index GWFI according to EN60695-2-12 850
Glow wire ignition temperature GWIT according to EN60695-2-13 775
Temperature for the ball pressure test according to EN60695-10-2 125 °C
Dimensions for the product
Caption Schematische Abbildung - weitere Details siehe Produktfamilienzeichnung
im Download Center
Length [ l ] 25.6 mm
Width [ w ] 20.32 mm
Height [ h ] 15.5 mm
Pitch 5.08 mm
Height (without solder pin) 15.5 mm
Packaging information
Type of packaging packed in cardboard
Pieces per package 50
Denomination packing units Pcs.
General product information
Type of note Notes on operation
Note
In accordance with IEC 61984, COMBICON connectors have no switching
power (COC). During designated use, they must not be plugged in or
disconnected when carrying voltage or under load.
Ambient conditions
Ambient temperature (storage/transport) -40 °C ... 70 °C
Ambient temperature (assembly) -5 °C ... 100 °C
Ambient temperature (operation) -40 °C ... 100 °C (dependent on the derating curve)
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Printed-circuit board connector-SMSTB 2,5/ 4-ST-5,08 BK-1863712
Technical data
Termination and connection method
Test for conductor damage and slackening IEC 60999-1:1999-11
Test passed
Pull-out test
Pull-out test IEC 60999-1:1999-11
Conductor cross section / conductor type / tensile force 0.2 mm² / solid / > 10 N
0.2 mm² / flexible / > 10 N
2.5 mm² / solid / > 50 N
2.5 mm² / flexible / > 50 N
Mechanical tests according to standard
Test specification IEC 61984
Visual inspection IEC 60512-1-1:2002-02
Dimension check IEC 60512-1-2:2002-02
Resistance of inscriptions IEC 60068-2-70:1995-12
Insertion and withdrawal force IEC 60512-13-2:2006-02
No. of cycles 25
Insertion strength per pos. approx. 8 N
Withdraw strength per pos. approx. 6 N
Polarization and coding IEC 60512-13-5:2006-02
Contact holder in insert IEC 60512-15-1:2008-05
Test force per pos. 28 N
Air clearances and creepage distances
Clearances and creepage distances IEC 60664-1:2007-04
Specification IEC 60664-1:2007-04
Minimum clearance - inhomogeneous field (III/3) 3 mm
Minimum clearance - inhomogeneous field (III/2) 3 mm
Minimum clearance - inhomogeneous field (II/2) 3 mm
Minimum creepage distance value (III/3) 3.2 mm
Minimum creepage distance value (III/2) 3 mm
Minimum creepage distance value (II/2) 3.2 mm
Current carrying capacity / derating curves
Caption Type: SMSTB 2,5/...-ST-5,08 with CC 2,5/...-G-5,08 P26THR
Mechanical tests (A)
Test specification IEC 61984
Insertion strength per pos. approx. 8 N
Withdraw strength per pos. approx. 6 N
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Printed-circuit board connector-SMSTB 2,5/ 4-ST-5,08 BK-1863712
Technical data
Mechanical tests (A)
Polarization when inserted requirement >20 N Test passed
Contact holder in insert requirements >20 N Test passed
Durability tests (B)
Specification IEC 60512-9-1:2010-03
Contact resistance R12.3 mΩ
Insertion/withdrawal cycles 25
Contact resistance R22.3 mΩ
Impulse withstand voltage at sea level 4.8 kV
Thermal tests (C)
Specification IEC 60512-5-1:2002-02
Number of positions 12
Upper limiting temperature requirements <100 °C Test passed
Climatic tests (D)
Specification ISO 6988:1985-02
Cold stress -40 °C/2 h
Thermal stress 100 °C/168 h
Corrosive stress 0.2 dm3 SO2 on 300 dm3/40 °C/1 cycle
Impulse withstand voltage at sea level 4.8 kV
Power-frequency withstand voltage 2.21 kV
Environmental and durability tests (E)
Specification IEC 61984:2008-10
Result, degree of protection, IP code Finger safety with IP20 test finger
Environmental Product Compliance
China RoHS Environmentally Friendly Use Period = 50 years
For details about hazardous substances go to tab “Downloads”, Category
“Manufacturer's declaration”
Drawings
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Printed-circuit board connector-SMSTB 2,5/ 4-ST-5,08 BK-1863712
Diagram
0
4
8
12
16
20
24
0 10 20 30 40 50 60 70 80 90 100 110
= 2-pos.
= 5-pos.
= 12-pos.
Ambient temperature [°C]
Current strength [A]
Type: SMSTB 2,5/...-ST-5,08 with CC 2,5/...-G-5,08 P26THR
Diagram
0
2
4
6
8
10
12
14
16
18
20
22
24
0 10 20 30 40 50 60 70 80 90 100 110
= 2-pos.
= 5-pos.
= 12-pos.
Ambient temperature [°C]
Current strength [A]
Type: SMSTB 2,5/...-ST-5,08 with CCV 2,5/...-G-5,08 P26THR
Diagram
0 10 20 30 40 50 60 70 80 90 100 110
0
2
4
6
8
10
12
14
16
18
20
22
24
!
= 2-pos.
= 5-pos.
= 16-pos.
!= 24-pos.
Ambient temperature [°C]
Current strength [A]
Type: SMSTB 2,5/...-ST-5,08 with SMSTB 2,5/...-G-5,08
Diagram
0 10 20 30 40 50 60 70 80 90 100 110
= 12-pos.
!
= 24-pos.
"
= 2-pos.
= 5-pos.
#
#
!"
0
4
8
12
16
20
24
2
6
10
14
18
22
Ambient temperature [°C]
Current strength [A]
Type: SMSTB 2,5/...-ST-5,08 with MSTB 2,5/...-G-5,08
Diagram
0 10 20 30 40 50 60 70 80 90 100 110
0
4
8
12
16
20
24
2
6
10
14
18
22
= 2-pos.
= 5-pos.
= 16-pos.
!= 24-pos.
!
Ambient temperature [°C]
Current strength [A]
Type: MSTBP 2,5/...-ST-5,08 with MSTBW 2,5/...-G-5,08
Diagram
0 10 20 30 40 50 60 70 80 90 100 110
0
2
4
6
8
10
12
14
16
18
20
22
24
= 2-pos.
!
"#
$
!
"
#
$
= 5-pos.
= 16-pos.
= 24-pos.
Ambient temperature [°C]
Current strength [A]
Type: SMSTBW 2,5/...-ST-5,08 with MSTBW 2,5/...-G-5,08
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Printed-circuit board connector-SMSTB 2,5/ 4-ST-5,08 BK-1863712
Diagram
0 10 20 30 40 50 60 70 80 90 100 110
0
2
4
6
8
10
12
14
16
18
20
22
24
!
"
$
%
= 2-pos.
= 5-pos.
= 16-pos.
= 24-pos.
"
!
$%
#[°C]
I [A]
Type: SMSTB 2,5/...-ST-5,08 with MSTBVA 2,5/...-G-5,08
Diagram
0
2
4
6
8
10
12
14
16
18
20
0 10 20 30 40 50 60 70 80 90 100 110
= 2-pos.
= 5-pos.
"
= 16-pos.
#
= 20-pos.
!
"
#!
Ambient temperature [°C]
Current strength [A]
Type: SMSTB 2,5/...-ST-5,08 with MDSTB 2,5/...-G1-5,08
Diagram
4
100806040200
24
20
16
12
8
0
=2-pos.
=5-pos.
=12-pos.
=24-pos.
Ambienttemperature[°C]
Currentcarryingcapacity [A]
Type: SMSTB 2,5/...-ST with SMSTBA 2,5/...-G
Diagram
0
2
4
6
8
10
12
14
16
18
20
0 10 20 30 40 50 60 70 80 90 100 110
= 3-pos.
= 6-pos.
= 16-pos.
= 20-pos.
[°C]
I [A]
Type: SMSTB 2,5/...-ST-5,08 with MDSTBV 2,5/...-G1-5,08
Classifications
eCl@ss
eCl@ss 10.0.1 27440309
eCl@ss 11.0 27460202
eCl@ss 4.0 27260700
eCl@ss 4.1 27260700
eCl@ss 5.0 27260700
eCl@ss 5.1 27260700
eCl@ss 6.0 27260700
eCl@ss 7.0 27440309
eCl@ss 9.0 27440309
ETIM
ETIM 3.0 EC001121
ETIM 4.0 EC002638
ETIM 6.0 EC002638
ETIM 7.0 EC002638
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Printed-circuit board connector-SMSTB 2,5/ 4-ST-5,08 BK-1863712
Classifications
UNSPSC
UNSPSC 6.01 30211810
UNSPSC 7.0901 39121409
UNSPSC 11 39121409
UNSPSC 12.01 39121409
UNSPSC 13.2 39121409
UNSPSC 18.0 39121409
UNSPSC 19.0 39121409
UNSPSC 20.0 39121409
UNSPSC 21.0 39121409
Approvals
Approvals
Approvals
VDE Zeichengenehmigung / CSA / EAC / cULus Recognized
Ex Approvals
Approval details
VDE Zeichengenehmigung http://www2.vde.com/de/Institut/Online-Service/
VDE-gepruefteProdukte/Seiten/Online-Suche.aspx 40050694
Nominal voltage UN 250 V
Nominal current IN 12 A
mm²/AWG/kcmil 0.2-2.5
CSA http://www.csagroup.org/services-industries/product-listing/ 13631
B D
Nominal voltage UN 300 V 300 V
Nominal current IN 15 A 10 A
mm²/AWG/kcmil 28-12 28-12
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Printed-circuit board connector-SMSTB 2,5/ 4-ST-5,08 BK-1863712
Approvals
EAC B.01687
cULus Recognized http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm E60425-19931011
B D
Nominal voltage UN 300 V 300 V
Nominal current IN 15 A 10 A
mm²/AWG/kcmil 30-12 30-12
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