SPECIFICATION FOR APPROVAL Customer： Description： ELECTRO MAGNETIC BUZZER SOBERTON Part No. ：GT-111PS-1 Date：2015-04-27 Customer Model No. ： Date of Approval Authorization Signature 211 N.First Street Minneapolis, MN. 55401 Tel：612-849-6205 Fax：952-933-3120 Http://www.soberton.comE-mail：[email protected] Approved Checked Design Jasmine Frank Jim 2015/4/27 2015/4/27 2015/4/27 A. SCOPE This specification applies magnetic buzzer, GT-111PS-1 B. SPECIFICATION No. Item Unit Specification Condition 1 Oscillation Frequency Hz 2048 Vo-p=1/2duty , square wave 2 Operating Voltage Vo-p 1~ 3 3 Rated Voltage Vo-p 1.5 4 Current Consumption mA MAX.15 at Rated Voltage 5 Sound Pressure Level dB MIN. 70 at 10cm at Rated Voltage 6 Coil Resistance Ω 50±7.5 7 Operating Temperature -20 ~ +70 8 Storage Temperature -30 ~ +80 9 Dimension mm Φ12.0 x H5.4 10 Weight (MAX) gram 1.6 11 Housing Material PPO 12 Leading Pin Tin Plated Brass(Sn) 13 Environmental Protection Regulation RoHS See appearance drawing See appearance drawing C. APPEARANCE DRAWING - + SOUND EMISSION HOLE Tol : ± 0.5 Unit: mm D.TESTING METHOD Standard Measurement conditions Temperature:25±2℃ Humidity:45-65% Acoustic Characteristics: The oscillation frequency, current consumption and sound pressure are measured by the measuring instruments shown below In the measuring test, buzzer is placed as follows: E. Typical Frequency Response Curve F. RELIABILITY TEST NO. ITEM 1 High Temperature Test (Storage) 2 Low Temperature Test (Storage) 3 Humidity Test TEST CONDITION AND REQUIREMENT After being placed in a chamber with 80±2ºC for 96 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: ±10dB. After being Placed in a chamber with -30±2ºC for 96 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: ±10dB. After being Placed in a chamber with 90-95% R.H. at 40±2ºC for 96 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: ±10dB. The part shall be subjected to 5 cycles. One cycle shall be consist of： +70ºC +25ºC 4 Temperature Cycle Test 5 Drop Test 6 Vibration Test 7 Solderability Test 8 Terminal Strength Pulling Test +25ºC - 20ºC Allowable variation of SPL after test: ±10dB. Drop on a hard wood board of 4cm thick, any directions ,6 times, at the height of 75cm . Allowable variation of SPL after test: ±10dB. After being applied vibration of amplitude of 1.5mmwith 10 to 55 Hz band of vibration frequency to each of 3 perpendicular directions for 2 hours . Allowable variation of SPL after test: ±10dB. Lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of +300±5ºC for 3±1 seconds . 90% min. lead terminals shall be wet with solder (Except the edge of terminals). The force of 9.8N(1.0kg) is applied to each terminal in axial direction for 10 seconds. No visible damage and cutting off. TEST CONDITION. Standard Test Condition : a) Temperature : +5 ~ +35℃ b) Humidity : 45-85% c) Pressure : 860-1060mbar Judgment Test Condition : a) Temperature : +25 ± 2℃ c) Pressure : 860-1060mbar b) Humidity : 60-70% G. PACKING STANDARD 10x10=100PCS Foam Tray 顶层加一块上盖 Carton Box (5PCS Plastic Bag) Foam Tray 240mmx160mmx30mm 10x100PCS=1000PCS Plastic Bag Carton Box 1x100PCS=100PCS 520mmx420mmx280mm 5x1000PCS=5,000PCS