1823

Philips 1823 earliest model

Philips 1823

Philips 1823 later model

Philips 1823 made for advertising display, can not be used

Full-wave rectifier

Introduced in 1927

1	2	3	4	base
a1	f	f	a	B4

Vf	Af	Va	mAa
4	1	500	75

Equivalent

6, 506, 4619, B, D3, DG2, DW2X, G1054, G214, G490, KL74301, P2, PV495, R233, RGN1054, U10, V, V2, W6