Palladium Spooled Wire

Palladium Spooled Wire is a high-purity, corrosion-resistant metal wire recognized for its excellent electrical conductivity and ductility. Distinguished by its low hardness (around 250 HV) and low internal stress, pure palladium wire supports efficient wire bonding and solder joint integrity in microelectronic assemblies. It plays a critical role in semiconductor packaging, medical devices, hydrogen sensing, and automotive electronics. In particular, it is widely employed in electroless nickel/electroless palladium (ENEP) and ENEPIG surface finishes to improve bonding and reduce reliance on gold. Applications include gold wire bonding, high-reliability interconnects, and contact surfaces in sensors and hybrid circuits. Its nanorough surface morphology contributes to enhanced mechanical anchoring, improving long-term device performance. The wire’s utility in reducing assembly costs, enabling reliable Pb-free soldering, and expanding bonding compatibility underlines its significance in modern electronics manufacturing and ongoing miniaturization trends. Its versatility and process efficiency make it a vital material in next-generation electronic and nanotechnology research.

Formula: Pd
Percentage Purity: 99.9%
Product Shape: Spooled
Diameter: 0.025mm
Length: 3m
Temper: As Drawn
CAS Number: 7440-05-3
UOM Code: 222-466-56
Legacy Code: PD005113
Distributor Code: GF22246656

SKU: 1000092546

Product Code: PD00-WR-000113

Wishlist

Tolerances

Wire

Diameter		±10%
Length		+5% / -1%

Tolerances

Wire

Diameter		±10%
Length		+5% / -1%

Technical Data Sheet

Download Print

Safety Data Sheet

$422.00

each

No Minimum order Free technical support *Free delivery worldwide

Material Properties for Precious Metals

Atomic Properties

Element	Value
Atomic number	46
Crystal structure	Face centred cubic
Electronic structure	Kr 4d¹⁰
Valences shown	2, 3, 4
Atomic weight( amu )	106.42
Thermal neutron absorption cross-section( Barns )	6
Photo-electric work function( eV )	5
Natural isotope distribution( Mass No./% )	108/ 26.7
Natural isotope distribution( Mass No./% )	110/ 11.8
Natural isotope distribution( Mass No./% )	104/ 11.0
Natural isotope distribution( Mass No./% )	102/ 1.0
Natural isotope distribution( Mass No./% )	105/ 22.2
Natural isotope distribution( Mass No./% )	106/ 27.3
Atomic radius - Goldschmidt( nm )	0.137
Ionisation potential( No./eV )	1/ 8.3
Ionisation potential( No./eV )	2/ 19.4
Ionisation potential( No./eV )	3/ 32.9

Mechanical Properties

Element	Value
Material condition	Soft
Material condition	Hard
Poisson's ratio	0.39
Poisson's ratio	0.39
Bulk modulus( GPa )	187
Bulk modulus( GPa )	187
Tensile modulus( GPa )	121
Tensile modulus( GPa )	121
Hardness - Vickers( kgf mm⁻² )	40
Hardness - Vickers( kgf mm⁻² )	100
Tensile strength( MPa )	140-195
Tensile strength( MPa )	325
Yield strength( MPa )	205
Yield strength( MPa )	34.5

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	10.8@20@20
Temperature coefficient( K⁻¹ )	0.0042@0-100
Thermal emf against Pt (cold 0C - hot 100C)( mV )	-0.57

Physical Properties

Element	Value
Boiling point( C )	3140
Density( gcm⁻³ )	12@20°C

Thermal Properties

Element	Value
Melting point( C )	1554
Latent heat of evaporation( J g⁻¹ )	3398
Latent heat of fusion( J g⁻¹ )	157
Specific heat( J K⁻¹ kg⁻¹ )	244@25
Thermal conductivity( W m⁻¹ K⁻¹ )	71.8@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	11@0-100