PART NO.	PRICE		STOCK	MANUFACTURE	DESCRIPTION	Mounting Style	Package / Case	Maximum Operating Temperature	Series	Packaging	Temperature Coefficient	Reference Type	Output Voltage	Initial Accuracy	Series VREF - Input Voltage - Max	Shunt Current - Max
LM431AIZ	1+ $0.380 10+ $0.265 100+ $0.122 1000+ $0.094	PDF RFQ	17,155 In-stock	Fairchild Semiconductor	Voltage References Shunt Regulator 2.5V Programmable	Through Hole	TO-92-3	+ 85 C	LM431A	Bulk	50 PPM / C	Shunt Adjustable References	Adjustable	2 %	37 V	100 mA
LM431ACZX	1+ $0.380 10+ $0.240 100+ $0.103 1000+ $0.079 2000+ $0.060	PDF RFQ	3,043 In-stock	Fairchild Semiconductor	Voltage References TO-92 Shunt	Through Hole	TO-92-3 Kinked Lead	+ 85 C	LM431A	Reel	50 PPM / C	Shunt Adjustable References	Adjustable	2 %	37 V	100 mA
LM431ACMX	1+ $0.450 10+ $0.369 100+ $0.225 1000+ $0.174 3000+ $0.149	PDF RFQ	2,423 In-stock	Fairchild Semiconductor	Voltage References SOP-8 Shunt	SMD/SMT	SOP-8	+ 85 C	LM431A	Reel	50 PPM / C	Shunt Adjustable References	+/- 2 %	2 %	37 V	100 mA
LM431AIMX	1+ $0.430 10+ $0.353 100+ $0.215 1000+ $0.167 3000+ $0.142	PDF RFQ	2,860 In-stock	Fairchild Semiconductor	Voltage References Shunt Regulator 2.5V Programmable	SMD/SMT	SOP-8	+ 85 C	LM431A	Reel	50 PPM / C	Shunt Adjustable References	Adjustable	2 %	37 V	100 mA
LM431ACZ	1+ $0.370 10+ $0.237 100+ $0.102 1000+ $0.078	PDF RFQ	2,166 In-stock	Fairchild Semiconductor	Voltage References Program Shunt Reg	Through Hole	TO-92-3	+ 85 C	LM431A	Bulk	50 PPM / C	Shunt Adjustable References	Adjustable	2 %	37 V	100 mA