Electromagnetic Buzzers Pin terminal With oscillator circuit SDC series Issue date: January 2013 • All specifications are subject to change without notice. • Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications. (1/3) Electromagnetic Buzzers Pin Terminal SDC Series Conformity to RoHS Directive APPLICATIONS Personal computers, office equipment, home appliances. INPUT VOLTAGE vs. SOUND PRESSURE CHARACTERISTICS Sound pressure (dB (A) /10cm) SDC1610M5-01, SDC1610MT-01 / ø16mm TYPE FEATURES • The SDC series electromagnetic buzzers have built-in oscillator circuits so that output can be produced by merely connecting to a DC power supply. • Circuitry utilizes chip-type components for significantly reduced size and high reliability. SHAPES AND DIMENSIONS 2-ø0.8 SDC1610MT-01 85 5 10 Input voltage Edc (V) 15 INPUT VOLTAGE vs. FREQUENCY CHARACTERISTICS 3.9 Weight: 5g Dimensions in mm SPECIFICATIONS SDC1610M5-01 5 4 to 8 2400±20% SDC1610MT-01 12 8 to 16 2400±20% 85 85 30 Pin terminal –10 to +70°C –20 to +85°C 25 Pin terminal Drive conditions: Rated voltage Oscillation frequency (kHz) 10 SDC1610M5-01 2.5 SDC1610MT-01 2.4 2.3 2.2 0 5 10 Input voltage Edc (V) 15 INPUT VOLTAGE vs. CURRENT CHARACTERISTICS 20 Input current (mA) 5 ø16 2.6 +Positive mark SDC1610M5-01 80 0 Sound release hole Part No. Rated voltage Edc(V) Operating voltage Edc(V) Frequency(Hz) Sound pressure (dB(A)/10cm)min. Average current(mA)max. Terminal construction Operating temperature range Storage temperature range 90 SDC1610M5-01 SDC1610MT-01 10 0 0 5 10 Input voltage Edc (V) 15 • Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications. • All specifications are subject to change without notice. 003-03 / 20130115 / ec212_sdc.fm (2/3) APPLICATIONS Personal computers, office automation equipment, other office equipment (electronic typewriters, ECRs, etc.), medical equipment, household appliances (microwave ovens, electronic jars, etc.) INPUT VOLTAGE vs. SOUND PRESSURE CHARACTERISTICS Sound pressure (dB (A) /10cm ) SDC1614L5-01, SDC1614LT-01/ø16mm TYPE FEATURES • With a built-in oscillator, these electromagnetic buzzers require nothing more than connection to a DC power supply in order to produce acoustic output. • Oscillation frequency is a relatively low 1900Hz, producing a soft, pleasant sound. • Circuitry utilizes chip-type components for significantly reduced size and high reliability. 90 SDC1614L5-01 SDC1614LT-01 85 80 0 5 10 Input voltage Edc (V) 15 INPUT VOLTAGE vs. FREQUENCY CHARACTERISTICS Sound release hole 5 ø12 ø16 2-ø0.8 Oscillation frequency (kHz) SHAPES AND DIMENSIONS 2 SDC1614LT-01 1.9 SDC1614L5-01 1.8 1.7 1.5 +Positive mark 2.1 14 3.9 0 5 Weight: 5g Dimensions in mm Drive SDC1614LT-01 12 8 to 16 1900±20% 85 85 30 Pin terminal –10 to +70°C –20 to +85°C 25 Pin terminal conditions: Rated voltage 25 Input current (mA) SDC1614L5-01 5 4 to 8 1900±20% 15 INPUT VOLTAGE vs. CURRENT CHARACTERISTICS SPECIFICATIONS Part No. Rated voltage Edc(V) Operating voltage Edc(V) Frequency(Hz) Sound pressure (dB(A)/10cm)min. Average current(mA)max. Terminal construction Operating temperature range Storage temperature range 10 Input voltage Edc (V) 20 SDC1614L5-01 15 10 SDC1614LT-01 5 0 0 5 10 Input voltage Edc (V) 15 • All specifications are subject to change without notice. 003-03 / 20130115 / ec212_sdc.fm (3/3) SAFETY PRECAUTIONS FOR USING TDK ELECTROMAGNETIC BUZZER Please be sure to read the specifications of TDK Electromagnetic Buzzer(hereinafter referred to as “the buzzer”) before use. • Please pay sufficient attentions to the warnings for safe • When soldering a terminal pin, perform the soldering in clean designing when using the buzzer. conditions without contamination or rust in order to avoid poor Incorrect usage may cause smoke or fire. connections. • Do not make sound on the buzzer when it is close to ears. • When performing dip soldering directly for installing on a printed Listening to the buzzer when it is close to ears, or continuant liscircuit board, be careful so that smoke from the flux, or other tening to it for an extended period, may result in hearing disorforeign materials, will not get into the sound emission hole. ders. • Do not clean(excluding products that can be cleaned). Thoroughly warn consumers not to turn on the sound when the • With regards to devices in which the consumers can touch the buzzer is close to ears. buzzer, thoroughly warn consumers not to put foreign materials • Do not exceed the rated operation voltage range when using the (such as needles, hairpins, garbage, etc.) into the sound buzzer. emission hole. If it is exceeded beyond the rated operation voltage, a built-in coil • As the buzzer uses a coil, it has an inductive load. may generate heat, resulting in deterioration of the coil, which Protect the drive circuit by putting the diodes in parallel into the may cause a drop in sound pressure or a change in the terminal buzzer. resistance value. • Do not reconfigure the buzzer. If a rare short circuit occurs due to heat generated in the built-in • Sound pressure changes depending on the shape of the part to coil, a large electrical current flows to the equipment used, posbe installed in a device, or the installation location. sibly causing it to emit smoke or fire. Check the buzzer in the mounted condition. • The buzzer is a magnetic type sounder. • The buzzer has polarities. Do not use it for any other purpose than a sound generation. When installing, be careful not to make a mistake with the polar• Do not use the buzzer in other than atmospheric air. ities. Incorrect polarities will cause the following irregularities. • Do not use the buzzer in the following environments (excluding • Without circuit type: Differences in sound pressure will be cases in which countermeasures are taken). created. • Corrosive gases (Cl2, NH3, SOx, NOx, etc.) • With circuit type: No sound will be generated. • Places to be exposed to dust. • Frequencies other than the rated frequency will change the • Places where rain, fog, salt water, and the like will get on the characteristics (sound pressure), and may cause wide buzzer. unevenness. • After installing the buzzer when designing an apparatus, confirm • As the buzzer uses a magnet, it generates a surrounding that there are no abnormalities by performing a reliability magnetic field. evaluation test. When designing a device, etc., confirm that there are no irregu• Do not exceed the rated operating temperature range when larities due to the magnetic field. using the buzzer. • The characteristics of the buzzer may change because of the • Do not use for an extended period at relative humidity in excess influence of an outside magnetic field. of 90% (maximum wet-bulb temperature of 38°C). Check the buzzer in the mounted condition, and take measures • When using the buzzer for a safety device or warning device, such as shielding, etc. take all surest measures such as providing a safety circuit or the • Because of deterioration or damage, maintain in rated storage joint use of another sounder with equivalent characteristics in temperature range, avoid environments where there are sudden order to prevent accidents. temperature changes, direct sunlight, corrosive gases and dust, • The buzzer may be influenced by electromagnetic waves, and store wrapped in order to avoid applying stresses. voltage changes, and ripple voltage. Check the buzzer in the mounted condition, and take measures such as safety circuits, shielding, etc. • If the buzzer is molded or secured by adhesives, thermal expansion stresses from the mold or adhesive agent may cause deterioration in a soldered terminal part. Before molding or securing an adhesive, consider the type, amount, hardening conditions, adhesive properties, etc., of the sealing material, and confirm the reliability. • Do not apply vibrations or shocks (such as dropping) larger than the specified. • Do not bend the terminal pin when soldering to install on a circuit board. • Do not apply larger than the specified force to the terminal pin. • Do not apply force to the terminal pin at high temperatures (when soldering). • All specifications are subject to change without notice. 003-03 / 20130115 / ec212_sdc.fm