1727780
Official DistributorSKU
PHX1727780
MPN
MK3DS 1/ 7-3,81
Weight
0.016 kg
Series MK3DS
MK3DS 1/ 7-3,81 - PCB terminal block
PCB terminal block, nominal current: 8 A, rated voltage (III/2): 160 V, nominal cross section: 1 mm2, number of potentials: 21, number of rows: 3, number of positions per row: 7, product range: MK3DS 1, pitch: 3.81 mm, connection method: Screw connection with tension sleeve, screw head form: L Slotted, mounting: Wave soldering, conductor/PCB connection direction: 0 °, color: green, Pin layout: Linear pinning, Solder pin [P]: 3.5 mm, number of solder pins per potential: 1, type of packaging: packed in cardboard
- Well-known connection principle allows worldwide use
- Low temperature rise, thanks to maximum contact force
- Allows connection of two conductors
- Extremely small design for the respective conductor cross section
- Conductor connection on several levels enables higher contact density
Technical Specifications
Product properties
| Product family | MK3DS 1 |
| Product line | COMBICON Terminals S |
| Type | PC termination block |
| Number of Positions | 7 |
| Pitch | 3.81 mm |
| Number of Connections | 21 |
| Number of rows | 3 |
| Number of potentials | 21 |
| Pin layout | Linear pinning |
| Solder pins per potential | 1 |
Electrical properties
| Nominal current IN | 8 A |
| Nominal voltage UN | 160 V |
| Degree of pollution | 3 |
| Rated voltage (III/3) | 160 V |
| Rated surge voltage (III/3) | 2.5 kV |
| Rated voltage (III/2) | 160 V |
| Rated surge voltage (III/2) | 2.5 kV |
| Rated voltage (II/2) | 320 V |
| Rated surge voltage (II/2) | 2.5 kV |
Connection technology
| Type | PC termination block |
| Nominal cross section | 1 mm² |
Conductor connection
| Connection Method | Screw connection with tension sleeve |
| Conductor cross section rigid | 0.14 mm² ... 1.5 mm² |
| Conductor cross section flexible | 0.14 mm² ... 1 mm² |
| Conductor cross section AWG | 26 ... 16 |
| Conductor cross section flexible, with ferrule without plastic sleeve | 0.25 mm² ... 0.5 mm² |
| Conductor cross section, flexible, with ferrule, with plastic sleeve | 0.25 mm² ... 0.5 mm² |
| 2 conductors with same cross section, solid | 0.14 mm² ... 0.5 mm² |
| 2 conductors with same cross section, flexible | 0.14 mm² ... 0.2 mm² |
| Stripping length | 5 mm |
| Tightening torque | 0.22 Nm ... 0.25 Nm |
Mounting
| Mounting Type | Wave soldering |
| Pin layout | Linear pinning |
| Drive form screw head | Slotted (L) |
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 | Tin-plated |
| Metal surface terminal point (top layer) | Tin (5 - 7 µm Sn) |
| Metal surface terminal point (middle layer) | Nickel (2 - 3 µm Ni) |
| Metal surface soldering area (top layer) | Tin (5 - 7 µm Sn) |
| Metal surface soldering area (middle layer) | Nickel (2 - 3 µm Ni) |
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 60695-2-13 | 775 |
| Temperature for the ball pressure test according to EN 60695-10-2 | 125 °C |
Dimensions
| Pitch | 3.81 mm |
| Width [w] | 28.57 mm |
| Height [h] | 27.4 mm |
| Length [l] | 25 mm |
| Installed height | 23.9 mm |
| Solder pin length [P] | 3.5 mm |
| Pin dimensions | 0.5 x 0.9 mm |
PCB design
| Hole diameter | 1.1 mm |
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 | 0.14 mm² / solid / > 10 N |
| Conductor cross section/conductor type/tractive force setpoint/actual value | 0.14 mm² / flexible / > 10 N |
| Conductor cross section/conductor type/tractive force setpoint/actual value | 1.5 mm² / solid / > 40 N |
| Conductor cross section/conductor type/tractive force setpoint/actual value | 1 mm² / flexible / > 35 N |
Temperature-rise test
| Specification | IEC 60947-7-4:2019-01 |
| Requirement temperature-rise test | The sum of ambient temperature and temperature rise of the PCB terminal block shall not exceed the upper limiting temperature. |
Short-time withstand current
| Specification | IEC 60947-7-4:2019-01 |
Insulation resistance
| Specification | IEC 60512-3-1:2002-02 |
| Insulation resistance, neighboring positions | > 5 MΩ |
Air clearances and creepage distances |
| Specification | IEC 60947-1:2007-06 + A1:2010-12 + A2:2014-09 |
| Insulating material group | I |
| Comparative tracking index (IEC 60112) | CTI 600 |
| Rated insulation voltage (III/3) | 160 V |
| Rated surge voltage (III/3) | 2.5 kV |
| minimum clearance value - non-homogenous field (III/3) | 1.5 mm |
| minimum creepage distance (III/3) | 2 mm |
| Rated insulation voltage (III/2) | 160 V |
| Rated surge voltage (III/2) | 2.5 kV |
| minimum clearance value - non-homogenous field (III/2) | 1.5 mm |
| minimum creepage distance (III/2) | 1.5 mm |
| Rated insulation voltage (II/2) | 320 V |
| Rated surge voltage (II/2) | 2.5 kV |
| minimum clearance value - non-homogenous field (II/2) | 1.5 mm |
| minimum creepage distance (II/2) | 1.6 mm |
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) |
| Acceleration | 5g (60.1 Hz ... 150 Hz) |
| Test duration per axis | 2.5 h |
Glow-wire test
| Specification | IEC 60695-2-10:2013-04 |
| Temperature | 850 °C |
| Time of exposure | 5 s |
Aging
| Specification | IEC 60947-7-4:2019-01 |
Ambient conditions
| Ambient Temperature (Operation) | -40 °C ... 105 °C (Depending on the current carrying capacity/derating curve) |
| Ambient temperature (storage/transport) | -40 °C ... 70 °C |
| Relative humidity (storage/transport) | 30 % ... 70 % |
| Ambient temperature (assembly) | -5 °C ... 100 °C |
Packaging specifications
| Type of packaging | packed in cardboard |
Accessories
Marker card, Sheet, white, labeled, horizontal: consecutive numbers 1 ... 10, 11 ... 20, etc. up to 91 ... (99)100, mounting type: adhesive, for terminal block width: 3.81 mm, Number of individual labels: 14, text field height: 2.8 mm, text field width: 3.81 mm
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Additional Information
| Pack Size | 50 |
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