As of April 2005 all TOKO  Semiconductors will be Lead Free.  Lead Free parts are designated by a "-G" appended to the end of the part
number.

P/N (Package)	Classification	Type	Switching transistor	Vo	Switching current	OSC system	Vop (V)	Top (°C)	Application manual
DC-DC converter ICs
TK11840L (SOT23L-8) Lead free	Switching regulator	Step-up	External	Adjustable		PWM	1.8 10.0	-20 +85	GC3- I015B
TK11850L (SOT23L-8) Lead free			Internal	Adjustable (up to 20V)	400mA	Pulse skip	2.3 10.0	-30 +85	GC3- I008B
TK11855F (SON3024-8) Lead free				Adjustable	350mA	PWM	2.65 16.0	-30 +85	GC3- K003A
TK11880F (SON3024-8) Lead free				Adjustable (up to 20V)	1A	PWM	2.3 10.0	-30 +85	GC3- K015
TK11891F (SON3024-8) Lead free				Adjustable	1A	PWM	2.7 16.0	-30 +85	GC3- J022B

P/N (Package)	Number of white LED	Circuit system	Features	Efficiency	OSC system	Vop (V)	Top (°C)	Application manual
Current Source Driver ICs
TK60022AM4G0L (SON3024-8) Lead free	Parallel 1 ~ 4	Constant current source.	Low external component count: only 1 resister.			1.8 6.0	-40 +85
P/N (Package)	Number of white LED	Circuit system	Features	Efficiency	OSC system	Vop (V)	Top (°C)	Application manual
White LED Driver ICs
TK11840L (SOT23L-8) Lead free	Series 2 or more *	Inductive. External schottky diodes.	High efficiency. Constant current. Even brightness.	80%	PWM	1.8 10.0	-20 +85	GC3- I015B
TK11850L (SOT23L-8) Lead free	Series 2 ~ 4			80%	Pulse skip	2.3 10.0	-30 +85	GC3- I008B
TK11851L (SOT23L-8) Lead free	series 2 ~ 4			80%	Pulse skip	2.3 10.0	-30 +85	GC3- H032B
TK11860B (FC-8) Lead free	Series 2 ~ 4	Inductive. Internal schottky diodes.		80%	Pulse skip	2.3 10.0	-30 +85	GC3- J009A
TK11855F (SON3024-8) Lead free	Series 2 ~ 4	Inductive. External schottky diodes.	LCD backlighting for DSC and mobile phone	85%	PWM	2.65 16.0	-30 +85	GC3- K003A
TK11856F (SON3024-8) Lead free	Series 2 ~ 4		LCD backlighting for DSC and mobile phone. Especially for miniature coil.	83%	PWM	2.7 10.0	-30 +85	GC3- K041
TK11859F-G (SON3024-8) Lead free	Series 2 ~ 4		Lower Vop of the TK11856F-G.	83%	PWM	2.30 16.0	-30 +85	GC3- L024
TK11880F (SON3024-8) Lead free	Series 2 ~ 6		High current type of TK11850L and TK11851L	80%	PWM	2.3 10.0	-30 +85	GC3- K015
TK11891F (SON3024-8) Lead free	Series 2 ~ 4		Camera flash for mobile phone	80%	PWM	2.65 16.0	-30 +85	GC3- J022B
TK11892F-G   (SON3024-8) Lead free	Series 2 ~ 4		Camera flash for mobile phone 3 mode brightness control	80%	PWM	2.65 16.0	-30 +85	GC3- J022B