{"product_id":"stirri-pt-305-sac305-solder-paste-t3-t6","title":"LF-HF-PT-305 SAC305 Solder Paste – Pin-Testable (ROL0) – Aerospace \u0026 Medical Grade – T3, T4, T5, T6","description":"\u003ch3\u003e\u003cstrong\u003eSTIRRI® LF-HF-PT-305: Aerospace \u0026amp; Medical Grade SAC305 Solder Paste\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eSn96.5 \/ Ag3.0 \/ Cu0.5 • No-Clean • Halogen-Free • Pin-Testable (ROL0)\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSTIRRI® LF-HF-PT-305 is a high-reliability, \u003cstrong\u003eultra-low voiding\u003c\/strong\u003e lead-free solder paste engineered for mission-critical assemblies in the aerospace, defense, and medical sectors. It features a specialized \u003cstrong\u003epin-testable residue\u003c\/strong\u003e that allows for immediate ATE (Automated Test Equipment) probing without post-solder cleaning, significantly accelerating production timelines.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Technical Advantages:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Metal Loads:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eT3 \u0026amp; T4:\u003c\/strong\u003e Optimized at \u003cstrong\u003e86%\u003c\/strong\u003e for dispensing and \u003cstrong\u003e88.5%\u003c\/strong\u003e for high-density stencil printing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT5 \u0026amp; T6:\u003c\/strong\u003e Specialized at \u003cstrong\u003e83%\u003c\/strong\u003e for micro-dispensing and \u003cstrong\u003e86%\u003c\/strong\u003e for ultra-fine pitch stencil printing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin-Testable Efficiency:\u003c\/strong\u003e Soft, non-corrosive residues remain \u003cstrong\u003eprotable for up to 5 days\u003c\/strong\u003e post-reflow, eliminating false failures in high-throughput testing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero Halogens:\u003c\/strong\u003e Strictly Halide \u0026amp; Halogen-free (EN14582) for long-term electrochemical reliability and \u003cstrong\u003eREACH compliance\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Joint Integrity:\u003c\/strong\u003e Engineered for world-class thermal dissipation and minimal signal interference—ideal for high-frequency medical sensors and aerospace gear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIPC Designation:\u003c\/strong\u003e ROL0 (No-Clean)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlloy:\u003c\/strong\u003e SAC305 (Sn96.5Ag3.0Cu0.5)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStencil Life:\u003c\/strong\u003e ~12 Hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e REACH \u0026amp; RoHS Compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eWhile designated No-Clean, residues are easily removed using IPA or specialized solvents if required for aesthetic or conformal coating prep.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Technical Advantages:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Flow, Low-Pressure Rheology:\u003c\/strong\u003e Engineered as a \"soft\" paste with lower printing resistance (\u003cem\u003e120-190 mPa·s\u003c\/em\u003e). This allows for significantly reduced squeegee pressure during printing and lower pneumatic pressure during dispensing, minimizing component displacement on delicate aerospace and medical assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Metal Load Optimization:\u003c\/strong\u003e Unlike \"all-purpose\" market pastes, LF-HF-PT-305 uses application-specific metal loads—\u003cstrong\u003e88.50-86% for printing\u003c\/strong\u003e to prevent slumping and \u003cstrong\u003e86-83% for dispensing\u003c\/strong\u003e to ensure consistent, effortless flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Transfer Efficiency:\u003c\/strong\u003e The optimized viscosity aids in a cleaner release from ultra-fine pitch (T5\/T6) stencil apertures, ensuring high-fidelity deposits where traditional \"stiff\" pastes often stick or skip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTighter Dispensing Control:\u003c\/strong\u003e A controlled dispensing range (\u003cem\u003e100-150 mPa·s\u003c\/em\u003e) eliminates \"tailing\" (stringing) common in thinner pastes while remaining fluid enough to prevent needle clogging in micro-dispensing applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin-Testable Efficiency:\u003c\/strong\u003e Soft, non-corrosive residues remain \u003cstrong\u003eprobeable for up to 5 days post-reflow\u003c\/strong\u003e, eliminating false failures in high-throughput ATE testing environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero Halogens:\u003c\/strong\u003e Strictly Halide \u0026amp; Halogen-free (\u003cstrong\u003eEN14582\u003c\/strong\u003e) for long-term electrochemical reliability and full REACH\/RoHS compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Joint Integrity:\u003c\/strong\u003e Engineered for world-class thermal dissipation and minimal signal interference—ideal for high-frequency medical sensors and aerospace gear.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"STIRRI®","offers":[{"title":"T3 (25-45µm) \/ 20g barrel","offer_id":47596768428349,"sku":"SP-SLP-305-3-8600-020","price":19.99,"currency_code":"USD","in_stock":true},{"title":"T3 (25-45µm) \/ 40g barrel","offer_id":47596768461117,"sku":"SP-SLP-305-3-8600-040","price":34.99,"currency_code":"USD","in_stock":true},{"title":"T3 (25-45µm) \/ 50g jar","offer_id":51443923222845,"sku":"SP-SLP-305-3-8850-050","price":39.99,"currency_code":"USD","in_stock":true},{"title":"T3 (25-45µm) \/ 100g barrel","offer_id":47596768493885,"sku":"SP-SLP-305-3-8600-100","price":58.99,"currency_code":"USD","in_stock":true},{"title":"T3 (25-45µm) \/ 250g jar","offer_id":47596768526653,"sku":"SP-SLP-305-3-8850-250","price":112.99,"currency_code":"USD","in_stock":true},{"title":"T3 (25-45µm) \/ 500g jar","offer_id":47596768559421,"sku":"SP-SLP-305-3-8850-500","price":148.99,"currency_code":"USD","in_stock":true},{"title":"T3 (25-45µm) \/ 600g cartridge","offer_id":47596768592189,"sku":"SP-SLP-305-3-8850-600","price":178.99,"currency_code":"USD","in_stock":true},{"title":"T4 (20-38µm) \/ 20g barrel","offer_id":47596768624957,"sku":"SP-SLP-305-4-8600-020","price":22.99,"currency_code":"USD","in_stock":true},{"title":"T4 (20-38µm) \/ 40g barrel","offer_id":47596768657725,"sku":"SP-SLP-305-4-8600-040","price":39.99,"currency_code":"USD","in_stock":true},{"title":"T4 (20-38µm) \/ 50g jar","offer_id":51443923255613,"sku":"SP-SLP-305-4-8850-050","price":44.99,"currency_code":"USD","in_stock":true},{"title":"T4 (20-38µm) \/ 100g barrel","offer_id":47596768690493,"sku":"SP-SLP-305-4-8600-100","price":68.99,"currency_code":"USD","in_stock":true},{"title":"T4 (20-38µm) \/ 250g jar","offer_id":47596768723261,"sku":"SP-SLP-305-4-8850-250","price":129.99,"currency_code":"USD","in_stock":true},{"title":"T4 (20-38µm) \/ 500g jar","offer_id":47596768756029,"sku":"SP-SLP-305-4-8850-500","price":169.99,"currency_code":"USD","in_stock":true},{"title":"T4 (20-38µm) \/ 600g cartridge","offer_id":47596768788797,"sku":"SP-SLP-305-4-8850-600","price":199.99,"currency_code":"USD","in_stock":true},{"title":"T5 (15-25µm) \/ 20g barrel","offer_id":47596768821565,"sku":"SP-SLP-305-5-8300-020","price":26.99,"currency_code":"USD","in_stock":true},{"title":"T5 (15-25µm) \/ 40g barrel","offer_id":47596768854333,"sku":"SP-SLP-305-5-8300-040","price":48.99,"currency_code":"USD","in_stock":true},{"title":"T5 (15-25µm) \/ 50g jar","offer_id":51443923288381,"sku":"SP-SLP-305-5-8600-050","price":54.99,"currency_code":"USD","in_stock":true},{"title":"T5 (15-25µm) \/ 100g barrel","offer_id":47596768887101,"sku":"SP-SLP-305-5-8300-100","price":89.99,"currency_code":"USD","in_stock":true},{"title":"T5 (15-25µm) \/ 250g jar","offer_id":47596768919869,"sku":"SP-SLP-305-5-8600-250","price":189.99,"currency_code":"USD","in_stock":true},{"title":"T5 (15-25µm) \/ 500g jar","offer_id":47596768952637,"sku":"SP-SLP-305-5-8600-500","price":248.99,"currency_code":"USD","in_stock":true},{"title":"T5 (15-25µm) \/ 600g cartridge","offer_id":47596768985405,"sku":"SP-SLP-305-5-8600-600","price":289.99,"currency_code":"USD","in_stock":true},{"title":"T6 (5-15µm) \/ 20g barrel","offer_id":47596769018173,"sku":"SP-SLP-305-6-8300-020","price":39.99,"currency_code":"USD","in_stock":true},{"title":"T6 (5-15µm) \/ 40g barrel","offer_id":47596769050941,"sku":"SP-SLP-305-6-8300-040","price":74.99,"currency_code":"USD","in_stock":true},{"title":"T6 (5-15µm) \/ 50g jar","offer_id":51443923321149,"sku":"SP-SLP-305-6-8600-050","price":84.99,"currency_code":"USD","in_stock":true},{"title":"T6 (5-15µm) \/ 100g barrel","offer_id":47596769083709,"sku":"SP-SLP-305-6-8300-100","price":149.99,"currency_code":"USD","in_stock":true},{"title":"T6 (5-15µm) \/ 250g jar","offer_id":47596769116477,"sku":"SP-SLP-305-6-8600-250","price":299.99,"currency_code":"USD","in_stock":true},{"title":"T6 (5-15µm) \/ 500g jar","offer_id":47596769149245,"sku":"SP-SLP-305-6-8600-500","price":499.99,"currency_code":"USD","in_stock":true},{"title":"T6 (5-15µm) \/ 600g cartridge","offer_id":47596769182013,"sku":"SP-SLP-305-6-8600-600","price":589.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/6048\/7741\/files\/PPT-SP-SLT-020-424-4-2V_9ba06661-7cf6-4def-a990-dab93f4f8c38.jpg?v=1703734887","url":"https:\/\/stirri.eu\/es\/products\/stirri-pt-305-sac305-solder-paste-t3-t6","provider":"STIRRI® Aerospace \u0026 Defense Grade OEM","version":"1.0","type":"link"}