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120 Milliampere (mA) Maximum Rated Current, 16 Ohm (Ω) Coil Resistance, and 2100 Hertz (Hz) Resonant Frequency Transducer (SMT-0821-T-R)

120 Milliampere (mA) Maximum Rated Current, 16 Ohm (?) Coil Resistance, and 2100 Hertz (Hz) Resonant Frequency Transducer

70 Milliampere (mA) Maximum Rated Current, 32 Ohm (Ω) Coil Resistance, and 2300 Hertz (Hz) Resonant Frequency Transducer (SMT-0823-S-R)

70 Milliampere (mA) Maximum Rated Current, 32 Ohm (?) Coil Resistance, and 2300 Hertz (Hz) Resonant Frequency Transducer

90 Milliampere (mA) Maximum Rated Current, 15 Ohm (Ω) Coil Resistance, and 2700 Hertz (Hz) Resonant Frequency Transducer (SMT-0825-T-2-R)

90 Milliampere (mA) Maximum Rated Current, 15 Ohm (?) Coil Resistance, and 2700 Hertz (Hz) Resonant Frequency Transducer

90 Milliampere (mA) Maximum Rated Current, 15 Ohm (Ω) Coil Resistance, and 2500 Hertz (Hz) Resonant Frequency Transducer (SMT-0825-T-R)

90 Milliampere (mA) Maximum Rated Current, 15 Ohm (?) Coil Resistance, and 2500 Hertz (Hz) Resonant Frequency Transducer

90 Milliampere (mA) Maximum Rated Current, 15 Ohm (Ω) Coil Resistance, and 2630 Hertz (Hz) Resonant Frequency Transducer (SMT-0826-S-R)

90 Milliampere (mA) Maximum Rated Current, 15 Ohm (?) Coil Resistance, and 2630 Hertz (Hz) Resonant Frequency Transducer
Manufacturer Stock
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 (V0-p) for Square Wave N/A 3.6 V N/A N/A N/A N/A
Operating Voltage Range (V0-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 (Vp-p) for Square Wave N/A N/A 5 V N/A N/A N/A
Peak-to-Peak Rated Voltage (Vp-p) N/A N/A N/A N/A N/A 3.6 V
Rated Voltage (V0-p) N/A N/A N/A 3.6 V N/A 3.6 V N/A
Peak-to-Peak Operating Voltage Range (Vp-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
  1. Specifications subject to change or withdrawal without notice.
  2. Reflow acceptable. Max. Temp 260 ºC, 10 sec or less.