PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
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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/..-STF, 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: Screw locking, mounting: Screw flange, 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
• Screwable flange for superior mechanical stability
• Low temperature rise, thanks to maximum contact force
• Allows connection of two conductors
Commercial Data
Item number
1842678
Packing unit
1 pc
Minimum order quantity
50 pc
Sales Key
A01
Product Key
AACABB
GTIN
4017918263706
Weight per Piece (including packing)
56.778 g
Weight per Piece (excluding packing)
53.79 g
Customs tariff number
85366990
Country of origin
CN
Dec 23, 2022, 12:46 AM
Page 1 (16)
PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
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
Screw flange
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
Screw locking
Mounting flange
Screw flange
Tightening torque
0.3 Nm
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
Dec 23, 2022, 12:46 AM
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PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
2 conductors with same cross section, solid
0.2 mm² ... 1.5 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 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
Specifications for ferrules without insulating collar
recommended crimping tool
1212034 CRIMPFOX 6
ferrules without insulating collar, according to DIN 46228‑1
Cross section: 0.5 mm²; Length: 8 mm ... 10 mm
Cross section: 0.75 mm²; Length: 8 mm ... 10 mm
Cross section: 1 mm²; Length: 8 mm ... 10 mm
Cross section: 1.5 mm²; Length: 8 mm ... 10 mm
Cross section: 2.5 mm²; Length: 10 mm
Specifications for ferrules with insulating collar
recommended crimping tool
1212034 CRIMPFOX 6
ferrules with insulating collar, according to DIN 46228‑4
Cross section: 0.5 mm²; Length: 8 mm ... 10 mm
Cross section: 0.75 mm²; Length: 8 mm ... 10 mm
Cross section: 1 mm²; Length: 8 mm ... 10 mm
Cross section: 1.5 mm²; Length: 8 mm ... 10 mm
Cross section: 2.5 mm²; Length: 10 mm
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
Housing color
green (RAL 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
Dec 23, 2022, 12:46 AM
Page 3 (16)
PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
Dimensions
Dimensional drawing
Pitch
5.08 mm
Width [w]
101.24 mm
Height [h]
15 mm
Length [l]
27.2 mm
Mounting
Drive form screw head
Slotted (L)
Drive form screw head
Slotted (L)
Flange
Tightening torque
0.3 Nm
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.
12 N
Withdraw strength per pos. approx.
9N
Torque test
Specification
IEC 60999-1:1999-11
Contact holder in insert
Dec 23, 2022, 12:46 AM
Page 4 (16)
PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
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
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
1.6 mΩ
Contact resistance R2 2nd level
1.9 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
Dec 23, 2022, 12:46 AM
Page 5 (16)
PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
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
17
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
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, 12:46 AM
Page 6 (16)
PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
Drawings
Current strength [A]
Diagram
24
22
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/...-STF-5,08 with CCV 2,5/...-GF-5,08 P26THR
I [A]
Diagram
24
22
20
18
16
14
12
10
8
6
4
2
0
= 2-pos.
= 5-pos.
= 12-pos.
= 24-pos.
0
10
20
30
40
50
60
70
80
90 100 110
[°C]
Type: FRONT-MSTB 2,5/...-STF-5,08 with CCV 2,5/...-GF-5,08-LR P...THR
Dec 23, 2022, 12:46 AM
Page 7 (16)
PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
I [A]
Diagram
24
22
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
[°C]
Current strength [A]
Type: FRONT-MSTB 2,5/...-STF-5,08 with CC 2,5/...-GF-5,08-LR P...THR
20
18
16
14
12
10
8
6
4
2
0
Diagram
= 2-pos.
= 5-pos.
= 17-pos.
0
10
20
30
40
50
60
70
80
90 100 110
Ambient temperature [°C]
Type: FRONT-MSTB 2,5/...-STF-5,08 with MDSTB 2,5/...-GF-5,08
Dec 23, 2022, 12:46 AM
Page 8 (16)
PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
Current strength [A]
Diagram
20
18
16
14
12
10
8
6
4
2
0
= 2-pos.
= 5-pos.
= 16-pos.
= 18-pos.
0
10
20
30
40
50
60
70
80
90 100 110
Ambient temperature [°C]
Type: FRONT-MSTB 2,5/...-STF-5,08 with MDSTBV 2,5/...-GF-5,08
I [A]
Diagram
24
22
20
18
16
14
12
10
8
6
4
2
0
= 2-pos.
= 5-pos.
= 16-pos.
= 20-pos.
0
10
20
30
40
50
60
70
80
90 100 110
[°C]
Type: FRONT-MSTB 2,5/...-STF-5,08 with MSTBV 2,5/...-GF-5,08
Dec 23, 2022, 12:46 AM
Page 9 (16)
PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
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/...-STF-5,08 with MSTB 2,5/...-GF-5,08
Current strength [A]
Diagram
24
22
20
18
16
14
12
10
8
6
4
2
0
0
= 2-pos.
= 5-pos.
= 12-pos.
10
20
30
40
50
60
70
80
90 100 110
Ambient temperature [°C]
Type: FRONT-MSTB 2,5/...-STF-5,08 with CC 2,5/...-GF-5,08 P26THR
Dec 23, 2022, 12:46 AM
Page 10 (16)
PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
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, 12:46 AM
Page 11 (16)
PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
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, 12:46 AM
Page 12 (16)
PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
Environmental Product Compliance
China RoHS
Environmentally friendly use period: unlimited = EFUP-e
No hazardous substances above threshold values
Dec 23, 2022, 12:46 AM
Page 13 (16)
PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
Accessories
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, 12:46 AM
Page 14 (16)
PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
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, 12:46 AM
Page 15 (16)
PCB connector - FRONT-MSTB 2,5/18-STF1-5,08 BD
1842678
https://www.phoenixcontact.com/us/products/1842678
Insertion bridge
Insertion bridge - EBL 10- 5 - 2303132
https://www.phoenixcontact.com/us/products/2303132
Insertion bridge, pitch: 5.2 mm, color: gray
Insertion bridge
Insertion bridge - EBL 2- 5 - 2303145
https://www.phoenixcontact.com/us/products/2303145
Insertion bridge, pitch: 5.2 mm, color: gray
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586 Fulling Mill Road
Middletown, PA 17057, United States
(+717) 944-1300
info@phoenixcon.com
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