Products — Spring Probe Pins, Test Sockets, Coax Sockets & Wire Probes

Spring Probes, Pogo, By Stamping

IWIN spring probe pins and pogo pins by stamping
    250 kinds of spring probe pin , 300kinds of test socket (44,000 Pin count socket possible)
  • One piece spring probe
  • Three piece spring probe
  • High speed product → 0.63mm Length free length spring probe pin available
  • Finest Pitch → 0.15mm Pitch

Test Pin Comparison

IWIN test pin performance comparison
    1. Current carrying
  • IWIN : over 4 Amp possible, touch down → stable
    2. Signal integrity
  • IWIN ; stable signal path / -1db@70GHz (in Production)
    3. Pitch
  • IWIN : 0.15mm (in Production)
    4. Stroke
  • IWIN : Long Stroke Possible (over 1.0mm)
    5. Lifetime
  • IWIN : Long life time

One piece spring probe pins (VARIOUS)

1. Selection of tip shape
  • 4 sharp tips
    4 sharp tips
  • 2 round tips
    2 round tips
  • cone tip
    cone tip
  • spear head tip
    spear head
2. Selection of coll spring : A few manufacturing methods by stamping
  • stamped coil spring option 1
  • stamped coil spring option 2
  • stamped coil spring option 3
3. Selection of body structure : Various considerable body shape
  • spring probe body structure option
  • spring probe body structure option
  • spring probe body structure option
  • spring probe body structure option
  • spring probe body structure option
  • spring probe body structure option
  • spring probe body structure option
Low Profile / Low Cost Spring Probe
IWIN low profile spring probe specification
  • Material used C1720 BeCu
  • Spring force 10 grams
  • Stroke 0.38mm
  • Cres 38 milli-ohm
  • Current carrying 3 Amps
IWIN low profile spring probe
Planer figure for stamping
Planar figure for spring probe stamping
Fully assembled spring probe pin attached to reel
Fully assembled pin attached to the reel
  • Can control very tight dimensional tolerance
  • Crown shape, Spring force and spring diameter can be optional
  • Very productive/low cost method to make spring probe for good volume
One piece spring probes assembled to one piece socket body
One piece spring probes assembled to one piece socket body
Signal integrity at High test speed (-1db@78GHz insertion loss)
S Parameter-Insertion Loss HPSP28080F1-01
S-parameter insertion loss chart HPSP28080F1-01
Pattern : Differential signaling
Differential signaling pattern
S Parameter-Return Loss HPSP28080F1-01
S-parameter return loss chart HPSP28080F1-01
    Material selection
  • Contact: BeCu17200 1/2H
    15% IACS(σ=8.7X106 S/m)
  • Spring: SWP-H, σ=4.9X106 S/m
  • Housing: Ceramic PEEK
    Kyron 2204, Ɛᵣ= 3.5

Test Socket

IWIN test socket
IWIN test socket structure
Various kinds of Coax socket
Coax socket with isolation inserts
Coax socket with isolation inserts
Partial coax sockets
Partial coax sockets
Coax socket without isolation insert
Coax socket without any isolation insert
Ground pads embedded with ground pins
Ground pads embedded with ground pins
Differential signaling
Shall not have metal isolation wall between signal pins Differential signaling socket without metal isolation wall
Single ended signaling
Shall have metal Isolation wall (grounded wall) between signal pins Single ended signaling socket with grounded isolation wall
Partial coax socket
Partial coax socket
Coax socket with isolation coats for finer pitch
Coax socket with isolation coats for finer pitch
Serve various kinds of test socket, including CPU test sockets, semiconductor test socket, Burn in test socket, and interposal.
Test speed range All the way up to -1db@80Ghz, 160Gb/s
Pitch 0.15mm, 0.2mm, 0.25mm, 0.3mm, 0.4mm, 0.5mm, 0.65mm, 1.0mm and above
Test height 0.67mm and above
Pin count All the way up to 43,000pin counts, including CPU test socket pin count 5903pins
Package can be tested BGA, LGA, QFN, TSOP and other

Wire Probe

IWIN wire probe
Part No. Material A B C D E F G H Color Force(g)
CT0002-21F ReW 0.043 0.052 20.00 2.00 15.00 3.00 F F Red 0.9@1.5
CT0002-21M ReW F R 0.9@0.15
CT0002-30F A3 F F 0.6@0.15
CT0003-21F ReW 0.050 0.065 20.00 0.20 16.80 3.00 F F Blue 1.9@0.20
CT0003-01M BeCu F R 0.9@0.20
CT0003-30F A3 F F 0.7@0.20
CT0004-11R W 0.070 0.090 30.00 2.00 25.00 3.00 R R Red 2.9@0.25
CT0004-11N W R S 2.9@0.25
CT0005-11R W 0.090 0.110 30.00 2.00 25.00 3.00 R R Red 8.0@0.25
CT0005-11N W R S 8.0@0.25
VPP Specification
CT0002 - XXX
  • Tip Configuration : F(F/F), R(R/R), M(F/R), N(R/S)
  • Plating : None(0), Au1µm / Ni1µm(1)
  • Material : BeCu(0), W(1), ReW(2), A3(3)
Wire probe tip configuration
Wire probe tip configuration
IWIN wire probe dimensions
A3 (Paliney allay)
ReW (Rhenium Tungsten)
W (Tungsten)
BeCu (Copper bervlluium ally)

Burn-in Test Socket

IWIN burn-in test socket
IWIN burn-in test socket
Socket type Open top, Clam shell
Pitch 0.25mm, 0.3mm, 0.4mm, 0.5mm, 0.65mm, 1.0mm and above
Package can be tested BGA, LGA, QFN, TSOP and others

Manual Lid

IWIN manual lid
Option to be specified
  • Thermo Couple
  • Fins(Heat sink)
  • Fan
  • Controller
  • TM Feedback Control
IWIN manual lid with temperature control options

Frequently Asked Questions

What is the finest pitch IWIN can produce?

IWIN produces down to 0.15mm pitch for both spring probe pins and test sockets (in production).

What is the maximum pin count of an IWIN test socket?

Up to 43,000 pin counts, including a qualified CPU test socket with 5,903 pins.

How high is the signal integrity / test speed?

Insertion loss of up to -1dB@80GHz and data rates up to 160Gb/s for test and coax sockets.

Which packages can IWIN test sockets handle?

BGA, LGA, QFN, TSOP and other packages, in both open-top and clam-shell burn-in socket types.

How much current can an IWIN spring probe pin carry?

IWIN spring probe pins support over 4 Amp with a stable touch-down contact.