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Specialist Test Products > High Current Test Probes >

Current flows of up to 35 amps for load and functional testing of power components such as semi-conductors, solenoids, loaded PCBs, bus-bars, wound components and batteries. This range shares identical dimensions and will readily intermix with the PA3 - PA7 series and the PC8 series respectively.

HD-PA3 Series

This range of probes can be used for load and functional testing of power components such as semiconductors, solenoids, loaded PCBs, bus-bars, wound components and batteries. They share identical dimensions and will readily intermix with the PA3 general purpose test probes.

Test Probe Specification

Full travel
4.2mm
Working travel
2.9mm
Spring force
initial
at wkg travel
'S' light spring
37g
79g
'X' heavy spring
77g
196g
Operating temperature range
Light spring: -55 C to +105 C
Heavy spring: -55 C to +150 C
Current rating DC cont (max)
8 Amps
Minimum test centres
2.54mm

Receptacle Specification

Mounting hole size: 1.7/1.75mm.
1.75mm drill is most commonly used:
Drill part no. DA3. RIT tool part no. TA3, TA4A


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HD-PC8 Series

This range of lower profile test probes can be used for load and functional testing of power components, wound components and batteries. The short overall length is useful in positions where space is minimal.

Test Probe Specification

Full travel
3.5mm
Working travel
2.8mm
Spring force
at wkg travel
150g
Operating temp. range
-100 C to +200 C
Current rating DC cont (max)
24 Amps
Minimum test centres
4.0mm (.187")

Receptacle Specification

Mounting hole size: 3.0mm.
Drill part no. DS6

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HD-PA4 Series

This range of test probes can be used for load and functional testing of power components such as semiconductors, solenoids, loaded PCBs, bus-bars, wound components and batteries. They share identical dimensions and will readily intermix with the PA4 series general purpose probes.

Test Probe Specification

Full travel
6.35mm
Working travel
4.24mm
Spring force
initial
at wkg travel
light spring (S suffix) 24g
114g
heavy spring (X suffix) 63g
227g
Operating temp. range
-55 C to +150 C
Current rating DC cont (max)
10 Amps
Minimum test centres
2.54mm

Receptacle Specification

Mounting hole size: 1.7/1.75mm.
1.75mm drill is most commonly used:
Drill part no. DA3/DA3A.
RIT tool part no. TA3, TA4A


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HD-PA5 Series

This range of probes can be used for load and functional testing of power components such as semiconductors, solenoids, loaded PCBs, bus-bars, wound components and batteries. They share identical dimensions and will readily intermix with the PA5 series general purpose test probes.

Test Probe Specification

Full travel
6.35mm
Working travel
4.24mm
Spring force
initial
at wkg travel
- 'S' light spring
44g
126g
- 'X' heavy spring (where shown)
69g
227g
Operating temp. range
-55 C to +150 C
Current rating DC cont (max)
15 Amps
Minimum test centres
3.18mm

Receptacle Specification

Mounting hole size: 2.39/2.44mm
2.4mm drill is most commonly used:
Drill part no. DA5
RIT tool part no. TA5, TA5V-220

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HD-PA6 Series

This range of test probes can be used for load and functional testing of power components such as semiconductors, solenoids, loaded PCBs, bus-bars, wound components and batteries. They share identical dimensions and will readily intermix with the PA6 series general purpose test probes.

Test Probe Specification

Full travel
6.35mm
Working travel
4.24mm
Spring force
initial
at wkg travel
light spring (S suffix) 24g
136g
heavy spring (X suffix) 122g
340g
Operating temp. range
-55 C to +150 C
Current rating DC cont (max)
25 Amps
Minimum test centres
4.75mm

Receptacle Specification

Mounting hole size: 2.72/2.77mm.
2.75mm drill is most commonly used:
Drill part no. DA6.
RIT tool part no. TA6

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HD-PA7 Series

A slightly larger version of the HD-PA6 series, with a heavier spring force. This range of test probes can be used for load and functional testing of power components such as semiconductors, solenoids, loaded PCBs, bus-bars, wound components and batteries. They share identical dimensions and will readily intermix with the PA7 series general purpose test probes.

Test Probe Specification

Full travel
6.35mm
Working travel
4.24mm
Spring force
initial
at wkg travel
light spring (S suffix) 107g
454g
heavy spring (X suffix) 172g
680g
Operating temp. range
-55 C to +150 C
Current rating DC cont (max)
35 Amps
Minimum test centres
4.75mm (.187")

Receptacle Specification

Mounting hole size: 3.58/3.63mm.
3.6mm drill is most commonly used:
Drill part no. DA7.
RIT tool part no. TA7

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