PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Please be informed that the data shown in this PDF document is generated from our Online Catalog. Please find the complete data in the user
documentation. Our General Terms of Use for Downloads are valid.
PCB connector, nominal cross section: 2.5 mm2, color: green, nominal current: 12 A, rated
voltage (III/2): 320 V, contact surface: Tin, type of contact: Female connector, number of
potentials: 18, number of rows: 1, number of positions: 18, number of connections: 18, product
range: FRONT-MSTB 2,5/..-ST, pitch: 5.08 mm, connection method: Front screw connection,
screw head form: L Slotted, conductor/PCB connection direction: 0 °, locking clip: - Locking clip,
plug-in system: COMBICON MSTB 2,5, locking: without, mounting: without, type of packaging:
packed in cardboard
Your advantages
• Well-known connection principle allows worldwide use
• Optimized for tight installation situations: operation and conductor connection from one direction
• Low temperature rise, thanks to maximum contact force
• Allows connection of two conductors
Commercial Data
Item number
1777442
Packing unit
1 pc
Minimum order quantity
50 pc
Note
Made to Order (non-returnable)
Sales Key
A01
Product Key
AACABA
Catalog Page
Page 132 (CC-2005)
GTIN
4017918039592
Weight per Piece (including packing)
58.588 g
Weight per Piece (excluding packing)
55.61 g
Customs tariff number
85366990
Country of origin
DE
Dec 23, 2022, 12:38 AM
Page 1 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Technical Data
Product properties
Type
Standard
Product line
COMBICON Connectors M
Product type
PCB plug
Number of positions
18
Pitch
5.08 mm
Number of connections
18
Number of rows
1
Mounting flange
without
Number of potentials
18
Electrical properties
Nominal current IN
12 A
Nominal voltage UN
320 V
Degree of pollution
3
Contact resistance
1.5 mΩ
Rated voltage (III/3)
250 V
Rated surge voltage (III/3)
4 kV
Rated voltage (III/2)
320 V
Rated surge voltage (III/2)
4 kV
Connection data
Connection technology
Type
Standard
Connector system
COMBICON MSTB 2,5
Nominal cross section
2.5 mm²
Type of contact
Female connector
Interlock
Locking type
without
Mounting flange
without
Conductor connection
Connection method
Front screw connection
Conductor/PCB connection direction
0°
Conductor cross section solid
0.34 mm² ... 2.5 mm²
Conductor cross section flexible
0.2 mm² ... 2.5 mm²
Conductor cross section AWG
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
Dec 23, 2022, 12:38 AM
Page 2 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
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
10 mm
Tightening torque
0.5 Nm ... 0.6 Nm
Material specifications
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
Color (Housing)
green (6021)
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 60695-213
775
Temperature for the ball pressure test according to EN 6069510-2
125 °C
Material data – actuating element
Color ()
()
Dimensions
Dimensional drawing
Pitch
5.08 mm
Width [w]
91.44 mm
Height [h]
14.9 mm
Length [l]
27.2 mm
Mounting
Dec 23, 2022, 12:38 AM
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PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Drive form screw head
Slotted (L)
Drive form screw head
Slotted (L)
Notes
Notes on operation
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.
Mechanical tests
Test for conductor damage and slackening
Specification
IEC 60999-1:1999-11
Result
Test passed
Pull-out test
Specification
IEC 60999-1:1999-11
Conductor cross section/conductor type/tractive force
setpoint/actual value
0.34 mm² / solid / > 15 N
0.2 mm² / flexible / > 10 N
2.5 mm² / solid / > 50 N
2.5 mm² / flexible / > 50 N
Insertion and withdrawal forces
Result
Test passed
No. of cycles
25
Insertion strength per pos. approx.
8N
Withdraw strength per pos. approx.
6N
Torque test
Specification
IEC 60999-1:1999-11
Contact holder in insert
Specification
IEC 60512-15-1:2008-05
Contact holder in insert
Requirements >20 N
Test passed
Resistance of inscriptions
Specification
IEC 60068-2-70:1995-12
Result
Test passed
Polarization and coding
Specification
IEC 60512-13-5:2006-02
Result
Test passed
Visual inspection
Specification
IEC 60512-1-1:2002-02
Result
Test passed
Dimension check
Specification
IEC 60512-1-2:2002-02
Dec 23, 2022, 12:38 AM
Page 4 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Result
Test passed
Environmental and real-life conditions
Vibration test
Specification
IEC 60068-2-6:2007-12
Frequency
10 - 150 - 10 Hz
Sweep speed
1 octave/min
Amplitude
0.35 mm (10 Hz ... 60.1 Hz)
Sweep speed
5g (60.1 Hz ... 150 Hz)
Test duration per axis
2.5 h
Durability test
Specification
IEC 60512-9-1:2010-03
Impulse withstand voltage at sea level
4.8 kV
Contact resistance R1
1.5 mΩ
Contact resistance R2
1.5 mΩ
Insertion/withdrawal cycles
25
Insulation resistance, neighboring positions
> 5 MΩ
Climatic test
Specification
ISO 6988:1985-02
Corrosive stress
0.2 dm3 SO2 on 300 dm3/40 °C/1 cycle
Thermal stress
100 °C/168 h
Power-frequency withstand voltage
2.21 kV
Ambient conditions
Ambient temperature (operation)
-40 °C ... 100 °C (dependent on the derating curve)
Ambient temperature (storage/transport)
-40 °C ... 70 °C
Relative humidity (storage/transport)
30 % ... 70 %
Ambient temperature (assembly)
-5 °C ... 100 °C
Electrical tests
Thermal test | Test group C
Specification
IEC 60512-5-1:2002-02
Tested number of positions
12
Insulation resistance
Specification
IEC 60512-3-1:2002-02
Insulation resistance, neighboring positions
> 5 MΩ
Air clearances and creepage distances |
Specification
IEC 60664-1:2007-04
Insulating material group
I
Comparative tracking index (IEC 60112)
CTI 600
Rated insulation voltage (III/3)
250 V
Dec 23, 2022, 12:38 AM
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PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Rated surge voltage (III/3)
4 kV
minimum clearance value - non-homogenous field (III/3)
3 mm
minimum creepage distance (III/3)
3.2 mm
Rated insulation voltage (III/2)
320 V
Rated surge voltage (III/2)
4 kV
minimum clearance value - non-homogenous field (III/2)
3 mm
minimum creepage distance (III/2)
3 mm
Rated insulation voltage (II/2)
630 V
Rated surge voltage (II/2)
4 kV
minimum clearance value - non-homogenous field (II/2)
3 mm
minimum creepage distance (II/2)
3.2 mm
Packaging specifications
Type of packaging
packed in cardboard
Dec 23, 2022, 12:38 AM
Page 6 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Current strength [A]
Drawings
24
22
20
18
16
14
12
10
8
6
4
2
0
Diagram
= 2-pos.
= 5-pos.
= 12-pos.
= 24-pos.
0
10
20
30
40
50
60
70
80
90 100 110
Ambient temperature [°C]
Type: FRONT-MSTB 2,5/...-ST-5,08 with MSTB 2,5/...-G-5,08
I [A]
Diagram
20
18
16
14
12
10
8
6
4
2
0
1
1
2
3
0
2
= 2-pos.
= 5-pos.
= 20-pos.
10
20
3
30
40
50
60
70
80
90 100 110
[°C]
Type: FRONT-MSTB 2,5/...-ST-5,08 with MDSTB 2,5/...-G1-5,08
Dec 23, 2022, 12:38 AM
Page 7 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Current strength [A]
Diagram
24
22
20
18
16
14
12
10
8
6
4
2
0
= 2-pos.
= 5-pos.
= 16-pos.
= 24-pos.
0
10
20
30
40
50
60
70
80
90 100 110
Ambient temperature [°C]
Type: FRONT-MSTB 2,5/...-ST-5,08 with MSTBA 2,5/...-G-5,08
Current strength [A]
Diagram
20
16
12
8
= 2-pos.
= 5-pos.
= 12-pos.
4
0
0
10
20
30
40
50
60
70
80
90 100 110
Ambient temperature [°C]
Type: FRONT-MSTB 2,5/..-ST-5,08 with MDSTBV 2,5/...-G-5,08
Dec 23, 2022, 12:38 AM
Page 8 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Current strength [A]
Diagram
20
18
16
14
12
10
8
6
4
2
0
= 2-pos.
= 5-pos.
= 12-pos.
0
10
20
30
40
50
60
70
80
90 100 110
Ambient temperature [°C]
Current strength [A]
Type: FRONT-MSTB 2,5/..-ST-5,08 with MDSTBA 2,5/...-G-5,08
24
22
20
18
16
14
12
10
8
6
4
2
0
Diagram
= 2-pos.
= 5-pos.
= 12-pos.
0
10
20
30
40
50
60
70
80
90 100 110
Ambient temperature [°C]
Type: FRONT-MSTB 2,5/...-ST-5,08 with CCV 2,5/...-G-5,08 P26THR
Dec 23, 2022, 12:38 AM
Page 9 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
I [A]
Diagram
24
22
20
18
16
14
12
10
8
6
4
2
0
= 2-pos.
= 5-pos.
= 16-pos.
= 24-pos.
0
10
20
30
40
50
60
70
80
90 100 110
[°C]
Type: FRONT-MSTB 2,5/...-ST-5,08 with MSTBVA 2,5/...-G-5,08
Current strength [A]
Diagram
24
20
16
12
8
= 2-pos.
= 5-pos.
= 12-pos.
4
0
0
10
20
30
40
50
60
70
80
90 100 110
Ambient temperature [°C]
Type: FRONT-MSTB 2,5/..-ST-5,08 with CC 2,5/...-G-5,08 P26THR
Dec 23, 2022, 12:38 AM
Page 10 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Current strength [A]
Diagram
20
18
16
14
12
10
8
6
4
2
0
= 2-pos.
= 5-pos.
= 12-pos.
0
10
20
30
40
50
60
70
80
90 100 110
Ambient temperature [°C]
Type: FRONT-MSTB 2,5/...-ST-5,08 with MDSTBW 2,5/...-G-5,08
I [A]
Diagram
30
27
24
21
18
15
12
9
6
3
0
0
= 2-pos.
= 5-pos.
= 16-pos.
= 24-pos.
10 20 30
40
50
60
70
80
90 100 110
[°C]
Type: FRONT-MSTB 2,5/...-ST-5,08 with SMSTB 2,5/...-G-5,08
Dec 23, 2022, 12:38 AM
Page 11 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Current strength [A]
Diagram
20
18
16
14
12
10
8
6
4
2
0
= 2-pos.
= 5-pos.
= 12-pos.
0
10
20
30
40
50
60
70
80
90 100 110
Ambient temperature [°C]
Type: FRONT-MSTB 2,5/..-ST-5,08 with MDSTB 2,5/...-G-5,08
I [A]
Diagram
24
22
20
18
16
14
12
10
8
6
4
2
0
1
1
2
3
4
0
2
= 2 pos.
= 5 pos.
= 16 pos.
= 24 pos.
10
20
3
30
40
50
60
70
4
80
90 100 110
[°C]
Type: FRONT-MSTB 2,5/...-ST-5,08 with SMSTBA 2,5/...-G-5,08
Dec 23, 2022, 12:38 AM
Page 12 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
Current strength [A]
https://www.phoenixcontact.com/us/products/1777442
Diagram
24
20
16
12
8
= 2-pos.
= 5-pos.
= 12-pos.
4
0
0
10
20
30
40
50
60
70
80
90 100 110
Ambient temperature [°C]
Type: FRONT-MSTB 2,5/...-ST-5,08 with CCVA 2,5/...-G-5,08 P26THR
I [A]
Diagram
20
18
16
14
12
10
8
6
4
2
0
1
1
2
3
0
2
= 3-pos.
= 6-pos.
= 20-pos.
10
20
3
30
40
50
60
70
80
90 100 110
[°C]
Type: FRONT-MSTB 2,5/...-ST-5,08 with MDSTBV 2,5/...-G1-5,08
Dec 23, 2022, 12:38 AM
Page 13 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Current strength [A]
Diagram
20
18
16
14
12
10
8
6
4
2
0
= 2-pos.
= 5-pos.
= 16-pos.
0
10
20
30
40
50
60
70
80
90 100 110
Ambient temperature [°C]
Type: FRONT-MSTB 2,5/..-ST-5,08 with MDSTBVA 2,5/...-G-5,08
Current strength [A]
Diagram
24
22
20
18
16
14
12
10
8
6
4
2
0
0
= 2-pos.
= 5-pos.
= 16-pos.
= 24-pos.
10
20
30
40
50
60
70
80
90 100 110
Ambient temperature [°C]
Type: FRONT-MSTB 2,5/...-ST-5,08 with MSTBW 2,5/...-G-5,08
Dec 23, 2022, 12:38 AM
Page 14 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Approvals
CSA
Approval ID: 13631
Nominal Voltage UN
Nominal Current IN
Cross Section AWG
Cross Section mm2
300 V
15 A
22 - 12
-
300 V
10 A
22 - 12
-
Nominal Voltage UN
Nominal Current IN
Cross Section AWG
Cross Section mm2
250 V
12 A
-
0.34 - 2.5
Nominal Voltage UN
Nominal Current IN
Cross Section AWG
Cross Section mm2
300 V
15 A
30 - 12
-
300 V
10 A
30 - 12
-
Nominal Voltage UN
Nominal Current IN
Cross Section AWG
Cross Section mm2
250 V
12 A
-
0.34 - 2.5
Use group B
Use group D
IECEE CB Scheme
Approval ID: DE1-60988-B1B2
EAC
Approval ID: B.01687
cULus Recognized
Approval ID: E60425-19931011
Use group B
Use group D
VDE Zeichengenehmigung
Approval ID: 40050694
Dec 23, 2022, 12:38 AM
Page 15 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Classifications
ECLASS
ECLASS-9.0
27440309
ECLASS-10.0.1
27440309
ECLASS-11.0
27460202
ETIM
ETIM 8.0
EC002638
UNSPSC
UNSPSC 21.0
39121400
Dec 23, 2022, 12:38 AM
Page 16 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Environmental Product Compliance
China RoHS
Environmentally friendly use period: unlimited = EFUP-e
No hazardous substances above threshold values
Dec 23, 2022, 12:38 AM
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PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Accessories
Note: Applying some accessories below might limit this product.
Insertion bridge
Insertion bridge - EBL 10- 5 - 2303132
https://www.phoenixcontact.com/us/products/2303132
Insertion bridge, pitch: 5.2 mm, color: gray
Max. current carrying capacity: 24 A
Insertion bridge
Insertion bridge - EBL 2- 5 - 2303145
https://www.phoenixcontact.com/us/products/2303145
Insertion bridge, pitch: 5.2 mm, color: gray
Max. current carrying capacity: 24 A
Dec 23, 2022, 12:38 AM
Page 18 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Insertion bridge
Insertion bridge - EBL 3- 5 - 2303158
https://www.phoenixcontact.com/us/products/2303158
Insertion bridge, pitch: 5.2 mm, color: gray
Max. current carrying capacity: 24 A
Insertion bridge
Insertion bridge - EBL 4- 5 - 2303161
https://www.phoenixcontact.com/us/products/2303161
Insertion bridge, pitch: 5.2 mm, color: gray
Max. current carrying capacity: 24 A
Dec 23, 2022, 12:38 AM
Page 19 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Accessories
Accessories - FRONT-MSTB-EW - 1763058
https://www.phoenixcontact.com/us/products/1763058
Removal aid, for FRONT-MSTB, facilitates extraction of several plugs mounted
behind each other
Marker card
Marker card - SK 5,08/3,8:FORTL.ZAHLEN - 0804293
https://www.phoenixcontact.com/us/products/0804293
Marker card, white, labeled, horizontal: consecutive numbers 1 ... 10, 11 ... 20,
etc. up to 91 ... (99)100, mounting type: adhesive, for terminal block width: 5.08
mm, lettering field size: 5.08 x 3.8 mm
Dec 23, 2022, 12:38 AM
Page 20 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Screwdriver
Screwdriver - SZS 0,6X3,5 - 1205053
https://www.phoenixcontact.com/us/products/1205053
Actuation tool, for ST terminal blocks, insulated, also suitable for use as a bladed
screwdriver, size: 0.6 x 3.5 x 100 mm, 2-component grip, with non-slip grip
Coding profile
Coding profile - CP-MSTB - 1734634
https://www.phoenixcontact.com/us/products/1734634
Coding profile, is inserted into the slot on the plug or inverted header, red
insulating material
Dec 23, 2022, 12:38 AM
Page 21 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
Marker card
Marker card - SK U/2,8 WH:UNBEDRUCKT - 0803883
https://www.phoenixcontact.com/us/products/0803883
Marker card, Sheet, white, unlabeled, can be labeled with: PLOTMARK, CMSP1-PLOTTER, Office printing systems, mounting type: adhesive, for terminal
block width: 210 mm, lettering field size: 186 x 2.8 mm, Number of individual
labels: 3600
PCB header
PCB header - MSTBW 2,5/18-G-5,08 - 1735727
https://www.phoenixcontact.com/us/products/1735727
PCB headers, nominal cross section: 2.5 mm2, color: green, nominal current: 12
A, rated voltage (III/2): 320 V, contact surface: Tin, type of contact: Male
connector, number of potentials: 18, number of rows: 1, number of positions: 18,
number of connections: 18, product range: MSTBW 2,5/..-G, pitch: 5.08 mm,
mounting: Wave soldering, pin layout: Linear pinning, solder pin [P]: 3.5 mm,
number of solder pins per potential: 1, plug-in system: COMBICON MSTB 2,5,
Pin connector pattern alignment: Standard, locking: without, mounting: without,
type of packaging: packed in cardboard
Dec 23, 2022, 12:38 AM
Page 22 (23)
PCB connector - FRONT-MSTB 2,5/18-ST-5,08
1777442
https://www.phoenixcontact.com/us/products/1777442
PCB header
PCB header - MSTBVA 2,5/18-G-5,08 - 1755891
https://www.phoenixcontact.com/us/products/1755891
PCB headers, nominal cross section: 2.5 mm2, color: green, nominal current: 12
A, rated voltage (III/2): 320 V, contact surface: Tin, type of contact: Male
connector, number of potentials: 18, number of rows: 1, number of positions: 18,
number of connections: 18, product range: MSTBVA 2,5/..-G, pitch: 5.08 mm,
mounting: Wave soldering, pin layout: Linear pinning, solder pin [P]: 3.9 mm,
number of solder pins per potential: 1, plug-in system: COMBICON MSTB 2,5,
Pin connector pattern alignment: Standard, locking: without, mounting: without,
type of packaging: packed in cardboard
PCB header
PCB header - MSTBV 2,5/18-GEH-5,08 - 1808625
https://www.phoenixcontact.com/us/products/1808625
PCB headers, nominal cross section: 2.5 mm2, color: green, nominal current: 12
A, rated voltage (III/2): 320 V, contact surface: Tin, type of contact: Male
connector, number of potentials: 18, number of rows: 1, number of positions: 18,
number of connections: 18, product range: MSTBV 2,5/..-GEH, pitch: 5.08 mm,
mounting: Wave soldering, pin layout: Linear pinning, solder pin [P]: 3.9 mm,
number of solder pins per potential: 1, plug-in system: COMBICON MSTB 2,5,
Pin connector pattern alignment: Standard, locking: without, mounting: without,
type of packaging: packed in cardboard
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