Product Note No.: PN-104 MERCURY www.mercury-crystal.com Revision: 0 Date: Jan. 15, 2001 Page 1 of 2 Title: Suggested soldering pattern for 4 pad 5x7.5 TCXO and VCTCXO SMDs Applied packages: Clock: H575 Spread Spectrum clock: HM575 TCXOs: M575_ VCTCXOs: VM575_ Electrical connection: Pad No. 1 H575, Tri-State or No HM575 connection TCXO No connection VCTCXO Voltage Control Pad No. 2 Ground Pad No. 3 Output Pad No. 4 Supply voltage Ground Ground Output Output Supply voltage Supply voltage Suggested Soldering pattern Unit: mm Product Note No.: PN-104 Revision: 0 Date: Jan. 15, 2001 Page 2 of 2 MERCURY www.mercury-crystal.com Suggested Solder Profile Vapor Phase Reflow Temp. peak temp 215°C max. +215°C +200°C +150°C 1~5°c/sec. 50 sec. +100°C +50°C 1~9°c/sec. +25°C 20 to 100 sec. Time Infrared Ray Reflow Temp. +245°C +200°C peak temp 245°C max. 1~5°c/sec. 10 sec. 1~5°c/sec. +150°C +100°C +50°C 1~9°c/sec. +25°C 60 sec. preheat 200 sec. Time