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    KATY Electronic Technology Co., LTD KATY Electronic Technology Co., LTD

    Alarms, Buzzers, and Sirens

    制造商 Series Packaging Part Status Driver Circuitry Input Type Voltage Range Frequency Technology Mounting Style Operating Mode Duration Voltage - Rated Sound Pressure Level (SPL) Current - Supply Ingress Protection Port Location Termination Ratings Operating Temperature Approval Agency Size / Dimension Height - Seated (Max)
















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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    Photo Mfr. Part # Availability Price Quantity Datasheet Series Packaging Part Status Driver Circuitry Input Type Voltage Range Frequency Technology Mounting Style Operating Mode Duration Voltage - Rated Sound Pressure Level (SPL) Current - Supply Ingress Protection Port Location Termination Ratings Operating Temperature Approval Agency Size / Dimension
    SMT-0825-T-2-R

    SMT-0825-T-2-R

    BUZZER MAGNETIC 3.6V 0.3X0.3 SMD

    PUI Audio, Inc.

    976
    RFQ
    SMT-0825-T-2-R

    Datasheet

    SMT Tape & Reel (TR) Active Transducer, Externally Driven Zero-Peak Signal 2.5 ~ 4.5V 2.7kHz Electromechanical/Magnetic Surface Mount Single Tone - 3.6 V 85dB @ 3.6V, 10cm 90mA - Top Solder Pads - -30°C ~ 70°C - 0.335" L x 0.335" W (8.50mm x 8.50mm)
    CMI-1240-SMT

    CMI-1240-SMT

    BUZZER PIEZO 12V16.9X16.9MM SMD

    Same Sky (Formerly CUI Devices)

    1,352
    RFQ
    CMI-1240-SMT

    Datasheet

    - Tube Active Indicator, Internally Driven DC 3 ~ 18V 4kHz Piezo Surface Mount Single Tone - 12 V 83dB @ 12V, 10cm 18mA - Top Solder Pads Washable -30°C ~ 70°C - 0.665" L x 0.665" W (16.90mm x 16.90mm)
    X-2629-TWT-2-R

    X-2629-TWT-2-R

    BUZZER PIEZO 12V 26.3MM TH

    PUI Audio, Inc.

    531
    RFQ
    X-2629-TWT-2-R

    Datasheet

    X Tray Active Indicator, Internally Driven DC 5 ~ 18V 2.9kHz Piezo Through Hole Single Tone - 12 V 110dB @ 12V, 10cm 40mA - Top PC Pins Washable -30°C ~ 80°C - 1.035" Dia (26.30mm)
    AI-4228-TWT-R

    AI-4228-TWT-R

    BUZZER PIEZO 12V 42MM TH

    PUI Audio, Inc.

    2,226
    RFQ
    AI-4228-TWT-R

    Datasheet

    AI Bulk Active Indicator, Internally Driven DC 3 ~ 28V 2.8kHz Piezo Through Hole Single Tone - 12 V 99dB @ 12V, 10cm 10mA - Top PC Pins Washable -30°C ~ 85°C - 1.654" Dia (42.00mm)
    PK-27N25WQ

    PK-27N25WQ

    BUZZER PIEZO 12V 30MM FLANGE

    Mallory Sonalert Products Inc.

    6,813
    RFQ
    PK-27N25WQ

    Datasheet

    PK Bulk Active Indicator, Internally Driven DC 3 ~ 28V 2.5kHz Piezo Panel Mount, Flange Single Tone - 12 V 90dB @ 12V, 30cm 8mA - Top Wire Leads - -20°C ~ 70°C - 1.181" Dia (30.00mm)
    CEP-2250

    CEP-2250

    BUZZER PIEZO 12V 28.00MM FLANGE

    Same Sky (Formerly CUI Devices)

    1,821
    RFQ
    CEP-2250

    Datasheet

    CEP Box Active Indicator, Internally Driven DC 3 ~ 28V 3.5kHz Piezo Panel Mount, Flange Single Tone - 12 V 85dB @ 12V, 30cm 6mA - Top Wire Leads - -30°C ~ 85°C - 1.102" Dia (28.00mm)
    AI-2331-TWT-R

    AI-2331-TWT-R

    BUZZER PIEZO 12V 23.4MM TH

    PUI Audio, Inc.

    7,582
    RFQ
    AI-2331-TWT-R

    Datasheet

    AI Tray Active Indicator, Internally Driven DC 3 ~ 20V 3.1kHz Piezo Through Hole Single Tone - 12 V 85dB @ 12V, 10cm 15mA - Top PC Pins - -20°C ~ 60°C - 0.921" Dia (23.40mm)
    AI-2429-TWT-R

    AI-2429-TWT-R

    BUZZER PIEZO 12V 23.8MM TH

    PUI Audio, Inc.

    1,502
    RFQ
    AI-2429-TWT-R

    Datasheet

    AI Tray Active Indicator, Internally Driven DC 3 ~ 20V 2.9kHz Piezo Through Hole Single Tone - 12 V 100dB @ 12V, 10cm 8mA - Top PC Pins Washable -20°C ~ 70°C - 0.937" Dia (23.80mm)
    AI-2438-TT-R

    AI-2438-TT-R

    BUZZER PIEZO 12V 24MM TH

    PUI Audio, Inc.

    1,405
    RFQ
    AI-2438-TT-R

    Datasheet

    AI Bulk Active Indicator, Internally Driven DC 8 ~ 18V 3.8kHz Piezo Through Hole Single Tone - 12 V 95dB @ 12V, 10cm 12mA - Top PC Pins - -30°C ~ 85°C - 0.945" Dia (24.00mm)
    AI-2429-TWT-12V-3-R

    AI-2429-TWT-12V-3-R

    BUZZER PIEZO 12V 23.8MM TH

    PUI Audio, Inc.

    1,042
    RFQ
    AI-2429-TWT-12V-3-R

    Datasheet

    AI Tray Active Indicator, Internally Driven DC 3 ~ 20V 2.9kHz Piezo Through Hole Single Tone - 12 V 95dB @ 12V, 10cm 8mA - Top PC Pins Washable -20°C ~ 70°C - 0.937" Dia (23.80mm)
    PK-27N36PSQ

    PK-27N36PSQ

    BUZZER PIEZO 12V 30MM TH

    Mallory Sonalert Products Inc.

    1,251
    RFQ
    PK-27N36PSQ

    Datasheet

    PK Bulk Active Indicator, Internally Driven DC 3 ~ 28V 3.5kHz Piezo Through Hole Single Tone - 12 V 90dB @ 12V, 30cm 15mA - Top PC Pins - -20°C ~ 70°C - 1.181" Dia (30.00mm)
    MCP320Q

    MCP320Q

    BUZZER PIEZO 12V 24MM TH

    Mallory Sonalert Products Inc.

    3,796
    RFQ
    MCP320Q

    Datasheet

    MCP Bulk Active Indicator, Internally Driven DC 3 ~ 20V 3.15kHz Piezo Through Hole Single Tone - 12 V 55dB @ 3V, 61cm 3 ~ 25mA - Top PC Pins Washable -20°C ~ 90°C - 0.945" Dia (24.00mm)
    AI-4228-TF-LW140-3-R

    AI-4228-TF-LW140-3-R

    BUZZER PIEZO 12V 41.8MM FLANGE

    PUI Audio, Inc.

    14,205
    RFQ
    AI-4228-TF-LW140-3-R

    Datasheet

    AI Bulk Active Indicator, Internally Driven DC 3 ~ 20V 2.8kHz Piezo Panel Mount, Flange Single Tone - 12 V 105dB @ 12V, 10cm 10mA - Top Wire Leads - -20°C ~ 60°C - 1.646" Dia (41.80mm)
    SMI-1324-TW-3V-R

    SMI-1324-TW-3V-R

    BUZZER MAGNETIC 3V 12.8X12.8 SMD

    PUI Audio, Inc.

    4,281
    RFQ
    SMI-1324-TW-3V-R

    Datasheet

    SMI Tube Active Indicator, Internally Driven DC 2 ~ 5V 2.4kHz Electromechanical/Magnetic Surface Mount Single Tone - 3 V 75dB @ 3V, 10cm 30mA - Top Solder Pads Washable -20°C ~ 70°C - 0.504" L x 0.504" W (12.80mm x 12.80mm)
    SMT-1427-S-3-R

    SMT-1427-S-3-R

    BUZZER MAGNETIC 3V 11X14MM SMD

    PUI Audio, Inc.

    3,610
    RFQ
    SMT-1427-S-3-R

    Datasheet

    SMT Tape & Reel (TR) Active Transducer, Externally Driven Zero-Peak Signal 3 ~ 4.5V 2.7kHz Electromechanical/Magnetic Surface Mount Single Tone - 3 V 87dB @ 3V, 10cm 90mA - Side Solder Pads - -40°C ~ 85°C - 0.433" L x 0.551" W (11.00mm x 14.00mm)
    PK-20A25PQ

    PK-20A25PQ

    BUZZER PIEZO 12V 23MM TH

    Mallory Sonalert Products Inc.

    4,154
    RFQ
    PK-20A25PQ

    Datasheet

    PK Bulk Active Indicator, Internally Driven DC 3 ~ 24V 2.5kHz Piezo Through Hole Single Tone - 12 V 95dB @ 12V, 30cm 25mA - Top PC Pins - -20°C ~ 70°C - 0.906" Dia (23.00mm)
    PK-21A31PQ

    PK-21A31PQ

    BUZZER PIEZO 12V 24MM TH

    Mallory Sonalert Products Inc.

    4,414
    RFQ
    PK-21A31PQ

    Datasheet

    PK Bulk Active Indicator, Internally Driven DC 3 ~ 24V 3kHz Piezo Through Hole Single Tone - 12 V 85dB @ 12V, 30cm 18mA - Top PC Pins - -20°C ~ 70°C - 0.945" Dia (24.00mm)
    PK-27N26PSQ

    PK-27N26PSQ

    BUZZER PIEZO 12V 30MM TH

    Mallory Sonalert Products Inc.

    1,138
    RFQ
    PK-27N26PSQ

    Datasheet

    PK Bulk Active Indicator, Internally Driven DC 3 ~ 28V 2.5kHz Piezo Through Hole Single Tone - 12 V 90dB @ 12V, 30cm 15mA - Top PC Pins - -20°C ~ 70°C - 1.181" Dia (30.00mm)
    ASI09N27M-05Q

    ASI09N27M-05Q

    BUZZER MAGN 5V9.5X9.5MM SMD

    Mallory Sonalert Products Inc.

    10,005
    RFQ
    ASI09N27M-05Q

    Datasheet

    ASI Strip Active Indicator, Internally Driven DC 3 ~ 7V 2.7kHz Magnetic Surface Mount Single Tone - 5 V 80dB @ 3V, 10cm 30mA - Top Solder Pads - -20°C ~ 70°C - 0.374" L x 0.374" W (9.50mm x 9.50mm)
    PK-20A35EWQ

    PK-20A35EWQ

    BUZZER PIEZO 12V 28MM FLANGE

    Mallory Sonalert Products Inc.

    1,829
    RFQ
    PK-20A35EWQ

    Datasheet

    PK Bulk Active Indicator, Internally Driven DC 3 ~ 24V 3.5kHz Piezo Panel Mount, Flange Single Tone - 12 V 95dB @ 12V, 30cm 10mA - Top Wire Leads - -20°C ~ 70°C - 1.102" Dia (28.00mm)
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