Parts from Stontronics, ED Inventory

40W Single Output Industrial DIN Rail Power Supply, Output DC Voltage : 5V

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	BB-MDR-40-5-ND	0	1	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
Mouser Electronics	709-MDR40-5	49	1	$25.21	$23.22	$21.90	$21.90	$21.90	$21.90
TME	MDR-40-5	107		$18.60

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Open Form Chassis Mounting Transformers, Output (Vrms) : 18 + 18

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	36-105-ND	381		$1.79	$1.48	$1.32	$1.26	$1.01	$0.80
Future Electronics	105	339	1		$1.64	$1.25	$1.19	$1.06	$1.06
Mouser Electronics	534-105	736	1	$1.62	$1.62	$1.34	$1.11	$0.75	$0.58

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Open Form Chassis Mounting Transformers, Output (Vrms) : 20 + 20

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	36-406-ND	9510		$0.17
Mouser Electronics	485-406	0	1	$5.95	$5.95	$5.95	$5.95	$5.95	$5.95

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Open Form Chassis Mounting Transformers, Output (Vrms) : 18 + 18

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	290-1982-ND	10		$149.95
Mouser Electronics	591-505	0		$0.00

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Open Form Chassis Mounting Transformers, Output (Vrms) : 24 + 24

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	507PV-ND	13	1	$69.99	$69.99	$69.99	$69.99	$69.99	$69.99
Mouser Electronics	591-507	2		$72.49

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15W Single Output DC-DC Converter, Output DC Voltage : 12V

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	SD-15B-12-ND	0		$53.04	$53.04	$53.04	$53.04	$53.04	$53.04
AVNET Europe	SD-15B-12	1	1	* $46.21	* $42.86	* $32.82	* $29.73	* $29.73	* $29.73
element14 APAC	SD-15B-12	158	1	* $31.50	* $19.42	* $17.40	* $16.07	* $16.07	* $16.07
Farnell	SD-15B-12	42	1	* $23.29	* $22.12	* $19.59	* $19.20	* $19.20	* $19.20
Mouser Electronics	709-SD15B-12	43	1	$15.46	$14.91	$14.61	$14.47	$14.47	$14.47
TME	SD-15B-12	445		$14.80