PCB header - MSTBW 2,5/20-G 1735934


Product Details





Thermal test | Test group C
Tested number of positions 20
Specification IEC 60512-5-1:2002-02
Electrical properties
Rated surge voltage (III/2) 4 kV
Pollution degree 2
Contact resistance 1.4 mΩ
Rated voltage (III/2) 320 V
Air clearances and creepage distances |
minimum clearance value - non-homogenous field (II/2) 3 mm
minimum creepage distance (III/3) 4 mm
minimum clearance value - non-homogenous field (III/3) 3 mm
Insulating material group IIIa
minimum clearance value - non-homogenous field (III/2) 3 mm
minimum creepage distance (III/2) 3.2 mm
Comparative tracking index (IEC 60112:2003-01) CTI 225
minimum creepage distance (II/2) 4 mm
Rated surge voltage (II/2) 4 kV
Rated insulation voltage (III/3) 250 V
Rated insulation voltage (III/2) 320 V
Specification IEC 60664-1:2007-04
Rated insulation voltage (II/2) 400 V
Rated surge voltage (III/3) 4 kV
Rated surge voltage (III/2) 4 kV

Rated surge voltage (III/3) 4 kV
Rated surge voltage (III/2) 4 kV
Rated voltage (II/2) 400 V
Nominal current IN 12 A
12 A
Maximum load current 12 A
Rated surge voltage (II/2) 4 kV
Nominal voltage UN 250 V
Rated voltage (III/2) 320 V

Type of packaging packed in cardboard

Durability test
Contact resistance R2 1.5 mΩ
Contact resistance R1 1.4 mΩ
Impulse withstand voltage at sea level 4.8 kV
Specification IEC 60512-9-1:2010-03
Insulation resistance, neighboring positions > 5 MΩ
Insertion/withdrawal cycles 25
Climatic test
Thermal stress 100 °C/168 h
Corrosive stress 0.2 dm3 SO2 on 300 dm3/40 °C/1 cycle
Power-frequency withstand voltage 2.21 kV
Specification ISO 6988:1985-02
Ambient conditions
Ambient temperature (operation) -40 °C ... 100 °C (dependent on the derating curve)
Ambient temperature (assembly) -5 °C ... 100 °C
Ambient temperature (storage/transport) -40 °C ... 70 °C
Vibration test
Amplitude 0.35 mm (10 - 60.1 Hz)
Test duration per axis 2.5 h
Frequency 10 - 150 - 10 Hz
Specification IEC 60068-2-6:2007-12
Sweep speed 1 octave/min
5 g (60.1 - 150 Hz)

Dimensional drawing
Hole diameter 1.4 mm
Installed height 12.45 mm
Pin dimensions 1 x 1 mm
Length 12 mm
Length of the solder pin 3.5 mm
3.5 mm
Pitch 5 mm
Height 15.95 mm
Width 100 mm

Contact holder in insert
Test force per pos. 27 N
Specification IEC 60512-15-1:2008-05
Result Test passed
Torque test
Specification IEC 60999-1:1999-11
Polarization and coding
Specification IEC 60512-13-5:2006-02
Result Test passed
Insertion and withdrawal forces
No. of cycles 25
Withdraw strength per pos. approx. 7 N
Insertion strength per pos. approx. 8 N
Result Test passed
Test for conductor damage and slackening
Specification IEC 60999-1:1999-11
Result Test passed
Pull-out test
Conductor cross section/conductor type/tractive force setpoint/actual value 0.2 mm2 / solid / > 10 N
0.2 mm2 / flexible / > 10 N
2.5 mm2 / solid / > 50 N
2.5 mm2 / flexible / > 50 N
Specification IEC 60999-1:1999-11
Visual inspection
Specification IEC 60512-1-1:2002-02
Result Test passed
Resistance of inscriptions
Specification IEC 60068-2-70:1995-12
Result Test passed
Dimension check
Specification IEC 60512-1-2:2002-02
Result Test passed

Material data - housing
Insulating material group IIIa
CTI according to IEC 60112 225
Housing color green (6021)
Insulating material PBT
Flammability rating according to UL 94 V0
Material data - contact
Contact material Cu alloy
Metal surface soldering area (middle layer) Nickel (2 - 3 µm Ni)
Surface characteristics Tin-plated
Note WEEE/RoHS-compliant, free of whiskers according to IEC 60068-2-82/JEDEC JESD 201
Metal surface contact area (top layer) Tin (5 - 7 µm Sn)
Metal surface contact area (middle layer) Nickel (2 - 3 µm Ni)
Metal surface soldering area (top layer) Tin (5 - 7 µm Sn)

Number of positions 20
Type Standard
Number of potentials 20
Number of levels 1
Number of connections 20
Connector system CLASSIC COMBICON
Pin layout Linear pinning
Mounting flange without


Order Key 1735934
Packing unit 50 pc
Minimum order quantity 50 pc
Sales Key AAA
Catalog Page Page 166 (CC-2005)
GTIN 4017918027650
Weight per Piece (including packing) 9.9 GRM
Weight per Piece (excluding packing) 9.2 GRM
Customs tariff number 85366930
Country of origin DE



VDE Zeichengenehmigung

Approval Specification Data
Nominal voltage UN 250 V
Nominal current IN 12 A

CSA

Approval Specification Data
Usegroup B D
Nominal voltage UN 300 V 300 V
Nominal current IN 15 A 10 A

IECEE CB Scheme

Approval Specification Data
Nominal voltage UN 250 V
Nominal current IN 12 A

EAC

cULus Recognized

Approval Specification Data
Usegroup B D
Nominal voltage UN 300 V 300 V
Nominal current IN 15 A 10 A

China RoHS Environmentally friendly use period: unlimited = EFUP-e
No hazardous substances above threshold values


Your advantages

Maximum flexibility when it comes to device design – one header for connectors with different connection technologies
Well-known mounting principle allows worldwide use
Stand-offs enable the PCB to be cleaned or sealed