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SC648NDR SC648NDR is a piezo buzzer from Mallory Sonalert with a 42.98mm diameter, panel mount, and voltage range of 12-48V DC. It produces sound pressure levels of 80 dB at 12V and 90 dB at 48V (2 feet), with a frequency of 2kHz.
Mfr Part #:

SC648NDR

Available from 1 distributors
Mfr Name: Mallory Sonalert Products
Mallory Sonalert Products
SC648NDR is a piezo buzzer from Mallory Sonalert with a 42.98mm diameter, panel mount, and voltage range of 12-48V DC. It produces sound pressure levels of 80 dB at 12V and 90 dB at 48V (2 feet), with a frequency of 2kHz.
✓ Total Stock: 64 pcs
$ Price Range: $23.65 - $33.22

SC648NDR Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
64 pcs
On Request
64 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

SC648NDR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Diameter
Driver Circuitry
Frequency
Height
Housing Material
Input Type
Mounting Type
Operating Mode
Operating Temperature
Port Location
Sound Pressure Level (SPL)
Technology
Termination
Voltage Range
Weight
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SC648NDR Description

Short technical summary and product information.

The SC648NDR is a panel-mount piezo buzzer from Mallory Sonalert Products Inc. It operates on a DC voltage range of 12 to 48V and draws 7 to 25mA. The buzzer produces a continuous single tone at a typical frequency of 2000 Hz, with sound pressure levels of 80 dB(A) at 12V and 90 dB(A) at 48V measured at 2 feet.

 

Designed for panel mounting, it features a 42.98mm diameter and a height of 49.43mm. The recommended panel hole size is 31.75mm (1.25"), and the maximum torque for the knurled nut is 10 in-lbs. Termination is via screw terminal or quick connect tab (0.250"). The housing is made of black 6/6 nylon, and the part weighs 60g.

 

Environmental ratings include NEMA 3R, 4X, and 12 when used with the ACC03 accessory. The operating temperature range is -40°C to +85°C, with storage from -30°C to +65°C. The buzzer is RoHS compliant.

SC648NDR Quick Information

Product Type: Piezo Buzzer
Canonical Name: SC648NDR Piezo Buzzer, 42.98mm Diameter, Panel Mount, 12-48V DC, 2kHz
Subcategory: Piezo Buzzer

SC648NDR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SC648NDR Estimated Pricing

Qty Low High
1+ $33.22 $33.22
10+ $28.91 $28.91
25+ $26.52 $26.52
50+ $24.89 $24.89
100+ $24.11 $24.11
250+ $23.65 $23.65

Estimated market price range - modelled values for guidance only, not live distributor offers.

SC648NDR Features

  • Panel mount with 1.25-inch hole size.
  • Voltage range 12 to 48V DC.
  • Sound levels up to 90 dB at 48V.
  • Internally driven continuous operation.
  • NEMA 3R, 4X, and 12 rated.

SC648NDR Applications

  • Used in industrial alarm systems.
  • Suitable for harsh environments with NEMA rating.
  • Ideal for panel-mounted audible indicators.
  • Applicable in equipment requiring high sound output.

SC648NDR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage range of the SC648NDR?

12 to 48V DC.

What is the frequency of the SC648NDR?

2000 Hz typical.

What is the sound pressure level of the SC648NDR?

80 dB(A) at 12V, 2 feet and 90 dB(A) at 48V, 2 feet.

What is the driver circuitry of the SC648NDR?

Indicator, internally driven.

What is the mounting type of the SC648NDR?

Panel mount with screw terminal and quick connect tab.

What is the operating temperature range of the SC648NDR?

-40°C to +85°C.

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