PUI - Projections Unlimited, Inc. - 8.5 Millimeter (mm) Size Transducers

Unit of Measure

Items	SMT-0821-T-R 120 Milliampere (mA) Maximum Rated Current, 16 Ohm (?) Coil Resistance, and 2100 Hertz (Hz) Resonant Frequency Transducer List Price {QUOTE}	SMT-0823-S-R 70 Milliampere (mA) Maximum Rated Current, 32 Ohm (?) Coil Resistance, and 2300 Hertz (Hz) Resonant Frequency Transducer List Price {QUOTE}	SMT-0825-T-2-R 90 Milliampere (mA) Maximum Rated Current, 15 Ohm (?) Coil Resistance, and 2700 Hertz (Hz) Resonant Frequency Transducer List Price {QUOTE}	SMT-0825-T-R 90 Milliampere (mA) Maximum Rated Current, 15 Ohm (?) Coil Resistance, and 2500 Hertz (Hz) Resonant Frequency Transducer List Price {QUOTE}	SMT-0826-S-R 90 Milliampere (mA) Maximum Rated Current, 15 Ohm (?) Coil Resistance, and 2630 Hertz (Hz) Resonant Frequency Transducer List Price {QUOTE}
Manufacturer Stock	N/A {0}	N/A {0}	N/A {0}	N/A {0}	N/A {0}
Description	N/A	N/A	N/A	N/A Top-firing electrochemical transducer designed for 2.5 to 4.5 V Small 8.5 x 8.5 mm footprint an 4 mm height for thin, modern devices Designed for reflow soldering using a lead-free profile	N/A
Brands	N/A PUI Audio™
Manufacturer	N/A PUI Audio�, Inc.
Rated Voltage (V_0-p) for Square Wave	N/A 3.6 V	N/A	N/A	N/A	N/A
Operating Voltage Range (V_0-p)	N/A 2 ~ 4.5 V	N/A	N/A 2.5 ~ 4.5 V	N/A 2.5 ~ 4.5 V	N/A
Maximum Rated Current	N/A 90 mA	N/A 70 mA	N/A 90 mA	N/A 90 mA	N/A 90 mA
Coil Resistance	N/A 16 Ω	N/A 32 Ω	N/A 15 Ω	N/A 15 Ω	N/A 15 Ω
Coil Resistance Tolerance (±)	N/A 2.4 Ω	N/A 5 Ω	N/A 3 Ω	N/A 3 Ω	N/A 3 Ω
Minimum Sound Pressure Level (SPL) at 10 Centimeter (cm)	N/A 87 dBA	N/A 87 dBA	N/A 85 dBA	N/A 87 dBA	N/A 90 dBA
Resonant Frequency	N/A 2100 Hz	N/A 2300 Hz	N/A 2700 Hz	N/A 2500 Hz	N/A 2630 Hz
Resonant Frequency Tolerance (±)	N/A 500 Hz
Operating Temperature	N/A -30 ~ +80 ºC	N/A -30 ~ +70 ºC	N/A -30 ~ +70 ºC	N/A -30 ~ +70 ºC	N/A -30 ~ +70 ºC
Storage Temperature	N/A -40 ~ +85 ºC	N/A -40 ~ +80 ºC	N/A -40 ~ +85 ºC	N/A -40 ~ +85 ºC	N/A -40 ~ +85 ºC
Housing Material	N/A Liquid Crystal Polymers (LCP)
Terminal Material	N/A Tin (Sn) Plated Polybutylene Succinate (PBS)	N/A Tin (Sn) Plated Phosphor Bronze	N/A Tin (Sn) Plated Polybutylene Succinate (PBS)	N/A Tin (Sn) Plated Polybutylene Succinate (PBS)	N/A Tin (Sn) Plated Phosphor Bronze
Peak-to-Peak Rated Voltage (V_p-p) for Square Wave	N/A	N/A 5 V	N/A	N/A	N/A
Peak-to-Peak Rated Voltage (V_p-p)	N/A	N/A	N/A	N/A	N/A 3.6 V
Rated Voltage (V_0-p)	N/A	N/A	N/A 3.6 V	N/A 3.6 V	N/A
Peak-to-Peak Operating Voltage Range (V_p-p)	N/A	N/A 3 ~ 7 V	N/A	N/A	N/A 2.5 ~ 4.5 V
High Temperature Test	N/A	N/A	N/A	N/A 85 ºC (±2 ºC) with random humidity for 96 hours	N/A
Low Temperature Test	N/A	N/A	N/A	N/A -40 ºC (±2 ºC) with random humidity for 96 hours	N/A
Humidity Test	N/A	N/A	N/A	N/A 25 ºC to 60 ºC with 90% to 95% relative humidity for 12 hours, 10 cycles	N/A
Vibration Test	N/A	N/A	N/A	N/A 1.53 mm movement modulated at 10-55 Hz in 3 directions for 6 hours	N/A
Drop Test	N/A	N/A	N/A	N/A 120 cm free fall in six directions, 3 cycles	N/A
Temperature Cycle Test	N/A	N/A	N/A	N/A -30 ºC to 70 ºC, five 90 minute cycles	N/A
Note for Mechanical and Environment Testing	N/A
Type	N/A Electro-Mech
Size	N/A 8.5 mm	N/A 8.5 mm	N/A 8.5 mm	N/A 8.5 mm	N/A
Sound Emission Hole Diameter	N/A 2 mm	N/A	N/A 1.8 mm	N/A 2 mm	N/A
Tolerance (±)	N/A 0.2 mm	N/A 0.5 mm	N/A 0.2 mm	N/A 0.2 mm	N/A 0.5 mm
Angle Tolerance (±)	N/A 3 º
Weight	N/A 0.45 g	N/A 0.42 g	N/A 0.40 g	N/A 0.42 g	N/A 0.39 g
Industry Standards	N/A Restriction of Hazardous Substances (RoHS) 2002/95/EC	N/A Restriction of Hazardous Substances (RoHS) 2002/95/EC	N/A Restriction of Hazardous Substances (RoHS) 2002/95/EC	N/A Conflict-Free Sourcing Initiative (CFSI) Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) Restriction of Hazardous Substances (RoHS) 2002/95/EC	N/A Restriction of Hazardous Substances (RoHS) 2011/65/EU
Note	N/A Specifications subject to change or withdrawal without notice.	N/A Specifications subject to change or withdrawal without notice.	N/A Specifications subject to change or withdrawal without notice.	N/A Specifications subject to change or withdrawal without notice.	N/A Specifications subject to change or withdrawal without notice. Reflow acceptable. Max. Temp 260 ºC, 10 sec or less.