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PK Series Electromechanical

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Part #

Knobs & Dials STRT W/ KNRL W/ DOT

PK90B1/4
TE Connectivity / P&B
1: £3.66
656In Stock

Mfr. Part No.
PK90B1/4

Mouser Part No
506-PK90B-1/4

TE Connectivity / P&B

Knobs & Dials STRT W/ KNRL W/ DOT

Datasheet

656In Stock

£3.66

£3.47

£3.15

£3.06

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Min.: 1
Mult.: 1

Knobs & Dials MLD PHEN W/ DOT IND

PK1100B1/4
TE Connectivity / Alcoswitch
1: £2.87
720In Stock

Mfr. Part No.
PK1100B1/4

Mouser Part No
506-PK1100B1/4

TE Connectivity / Alcoswitch

Knobs & Dials MLD PHEN W/ DOT IND

Datasheet

720In Stock

£2.87

£2.51

£2.30

£2.17

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Min.: 1
Mult.: 1

Knobs & Dials .984" DOT IND/SKIRT STR KNURL KNOB

PK70B1/4
TE Connectivity / Alcoswitch
1: £3.33
649In Stock

Mfr. Part No.
PK70B1/4

Mouser Part No
506-PK70B1/4

TE Connectivity / Alcoswitch

Knobs & Dials .984" DOT IND/SKIRT STR KNURL KNOB

Datasheet

649In Stock

£3.33

£2.74

£2.52

£2.42

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Min.: 1
Mult.: 1

Knobs & Dials KNURL W/ DOT ON SKRT

PK50B1/8
TE Connectivity / P&B
1: £2.17
658In Stock
1,000Expected 07/09/2026

Mfr. Part No.
PK50B1/8

Mouser Part No
506-PK50B1/8

TE Connectivity / P&B

Knobs & Dials KNURL W/ DOT ON SKRT

Datasheet

658In Stock

1,000Expected 07/09/2026

£2.17

£1.79

£1.65

£1.56

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 2.5KHZ, 90DB, 30X16

PK-27N25WQ
Mallory Sonalert
1: £3.24
849In Stock

Mfr. Part No.
PK-27N25WQ

Mouser Part No
539-PK-27N25WQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 2.5KHZ, 90DB, 30X16

Datasheet

849In Stock

£3.24

£2.65

£2.50

£2.33

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 3.8KHZ, 85DB, 23X18

PK-20N38WQ
Mallory Sonalert
1: £4.06
2,401In Stock

Mfr. Part No.
PK-20N38WQ

Mouser Part No
539-PK-20N38WQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 3.8KHZ, 85DB, 23X18

Datasheet

2,401In Stock

£4.06

£3.11

£2.81

£2.65

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-24VDC 3KHZ, 85DB, 24X14MM

PK-21A31PQ
Mallory Sonalert
1: £4.04
398In Stock

Mfr. Part No.
PK-21A31PQ

Mouser Part No
539-PK-21A31PQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-24VDC 3KHZ, 85DB, 24X14MM

Datasheet

398In Stock

£4.04

£3.28

£3.08

£2.88

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-24VDC 2.5KHZ, 95DB, 30X16

PK-27A25PSQ
Mallory Sonalert
1: £4.32
234In Stock

Mfr. Part No.
PK-27A25PSQ

Mouser Part No
539-PK27A25PSQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-24VDC 2.5KHZ, 95DB, 30X16

Datasheet

234In Stock

£4.32

£3.73

£3.31

£3.13

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial 3-28VDC, Continuous 3500Hz 90dB

PK-35N29ERQ
Mallory Sonalert
1: £23.76
94In Stock

Mfr. Part No.
PK-35N29ERQ

Mouser Part No
539-PK-35N29ERQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial 3-28VDC, Continuous 3500Hz 90dB

Datasheet

94In Stock

£23.76

£17.96

£16.17

£14.98

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Min.: 1
Mult.: 1

Knobs & Dials .748" DOT IND/SKIRT STR KNURL KNOB

PK50B1/4
TE Connectivity / P&B
1: £2.01
1,324In Stock
4,000Expected 12/10/2026

Mfr. Part No.
PK50B1/4

Mouser Part No
506-PK50B1/4

TE Connectivity / P&B

Knobs & Dials .748" DOT IND/SKIRT STR KNURL KNOB

Datasheet

1,324In Stock

4,000Expected 12/10/2026

£2.01

£1.84

£1.66

£1.54

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount 4 DB 4.0 KHZ

PKLCS1212E4001-R1
Murata Electronics
1: £0.796
2,066In Stock
123,000On Order
End of Life

Mfr. Part No.
PKLCS1212E4001-R1

Mouser Part No
81-PKLCS1212E4001

End of Life

Murata Electronics

Buzzers & Audio Indicators - Board Mount 4 DB 4.0 KHZ

Datasheet

2,066In Stock

123,000On Order

Cut Tape

£0.796

£0.625

£0.568

£0.529

Reel

£0.384

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MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-15VDC 4.1KHZ, 83DB, 14X8MM

PK-12N40PQ
Mallory Sonalert
1: £3.38
1,817In Stock
1,954Expected 20/10/2026

Mfr. Part No.
PK-12N40PQ

Mouser Part No
539-PK-12N40PQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-15VDC 4.1KHZ, 83DB, 14X8MM

Datasheet

1,817In Stock

1,954Expected 20/10/2026

£3.38

£2.55

£2.36

£2.23

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 2.5KHZ, 95DB, 23X18

PK-20A25WQ
Mallory Sonalert
1: £4.96
1,868In Stock

Mfr. Part No.
PK-20A25WQ

Mouser Part No
539-PK-20A25WQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 2.5KHZ, 95DB, 23X18

Datasheet

1,868In Stock

£4.96

£4.15

£3.82

£3.67

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Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 1.5-30VDC 3KHZ, 80DB, 24X9.5MM

PK-21N30PQ
Mallory Sonalert
1: £3.13
2,973In Stock

Mfr. Part No.
PK-21N30PQ

Mouser Part No
539-PK-21N30PQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 1.5-30VDC 3KHZ, 80DB, 24X9.5MM

Datasheet

2,973In Stock

£3.13

£2.32

£2.16

£2.04

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 2.5KHZ, 90DB, 30X10

PK-27N26WQ
Mallory Sonalert
1: £4.26
490In Stock
893Expected 20/10/2026

Mfr. Part No.
PK-27N26WQ

Mouser Part No
539-PK-27N26WQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 2.5KHZ, 90DB, 30X10

Datasheet

490In Stock

893Expected 20/10/2026

£4.26

£3.58

£3.13

£2.99

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-15VDC 4.1KHZ, SEALED

PK-12N40PEQ
Mallory Sonalert
1: £3.35
4,412In Stock

Mfr. Part No.
PK-12N40PEQ

Mouser Part No
539-PK12N40PEQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-15VDC 4.1KHZ, SEALED

Datasheet

4,412In Stock

£3.35

£2.55

£2.30

£2.13

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-24VDC 2.5KHZ, 95DB, 23X18

PK-20A25PQ
Mallory Sonalert
1: £4.13
1,623In Stock

Mfr. Part No.
PK-20A25PQ

Mouser Part No
539-PK20A25PQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-24VDC 2.5KHZ, 95DB, 23X18

Datasheet

1,623In Stock

£4.13

£3.14

£2.86

£2.65

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 1.5-30VDC 3KHZ, 85DB, 24X9.5MM

PK-21N30WQ
Mallory Sonalert
1: £3.49
1,436In Stock

Mfr. Part No.
PK-21N30WQ

Mouser Part No
539-PK21N30WQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 1.5-30VDC 3KHZ, 85DB, 24X9.5MM

Datasheet

1,436In Stock

£3.49

£2.87

£2.59

£2.42

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 3.5KHZ, 90DB, 30X10

PK-27N36WQ
Mallory Sonalert
1: £4.27
519In Stock

Mfr. Part No.
PK-27N36WQ

Mouser Part No
539-PK27N36WQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 3.5KHZ, 90DB, 30X10

Datasheet

519In Stock

£4.27

£3.61

£3.30

£3.15

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount 4KHz External Drive Pin Type

PKM22EPPH40S1-B0
Murata Electronics
1: £0.849
412In Stock
Factory Special Order

Mfr. Part No.
PKM22EPPH40S1-B0

Mouser Part No
81-PKM22EPPH40S1-B0

Factory Special Order

Murata Electronics

Buzzers & Audio Indicators - Board Mount 4KHz External Drive Pin Type

Datasheet

412In Stock

£0.849

£0.649

£0.586

£0.542

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial Audible Alarm

PK-20A35EW-24VQ
Mallory Sonalert
1: £4.57
318In Stock

Mfr. Part No.
PK-20A35EW-24VQ

Mouser Part No
539-PK-20A35EW-24VQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial Audible Alarm

Datasheet

318In Stock

£4.57

£3.49

£3.15

£2.92

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 2-28VDC 3.5KHZ, 90DB, 37X24

PK-27N35EPQ
Mallory Sonalert
1: £7.94
67In Stock

Mfr. Part No.
PK-27N35EPQ

Mouser Part No
539-PK-27N35EPQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 2-28VDC 3.5KHZ, 90DB, 37X24

Datasheet

67In Stock

£7.94

£6.43

£5.74

£5.32

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-28VDC 3.5KHZ, 90DB, 30X10

PK-27N36PSQ
Mallory Sonalert
1: £4.43
56In Stock
508Expected 05/10/2026

Mfr. Part No.
PK-27N36PSQ

Mouser Part No
539-PK-27N36PSQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-28VDC 3.5KHZ, 90DB, 30X10

Datasheet

56In Stock

508Expected 05/10/2026

£4.43

£3.27

£3.03

£2.81

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 2.9KHZ, 95DB, 42X16

PK-35A29WQ
Mallory Sonalert
1: £5.66
95In Stock

Mfr. Part No.
PK-35A29WQ

Mouser Part No
539-PK-35A29WQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 2.9KHZ, 95DB, 42X16

Datasheet

95In Stock

£5.66

£4.37

£3.95

£3.68

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 8-16VDC 400HZ, 24X17X15MM

PK-16N04WA-12Q
Mallory Sonalert
1: £6.90
17In Stock

Mfr. Part No.
PK-16N04WA-12Q

Mouser Part No
539-PK16N04WA12Q

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 8-16VDC 400HZ, 24X17X15MM

Datasheet

17In Stock

£6.90

£5.54

£4.91

£4.56

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Min.: 1
Mult.: 1

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