| Model | 
Manufacturers | 
lot number | 
encapsulation | 
illustrate | 
		
| TL431A | 
TI | 
10+ | 
SOP | 
Adjustable precision parallel regulator | 
		
| TL431A-Q1 | 
TI | 
10+ | 
SOP | 
Adjustable precision parallel regulator | 
		
| TL431B-Q1 | 
TI | 
10+ | 
SOP | 
Automotive Catalog Adjustable Precision Shunt Regulator | 
		
| TLV431 | 
TI | 
10+ | 
SOP | 
Low voltage adjustable precision parallel regulator | 
		
| TLV431A | 
TI | 
10+ | 
SOP | 
Low voltage adjustable precision parallel regulator | 
		
| TLV431A-Q1 | 
TI | 
10+ | 
SOP | 
Automotive low-voltage adjustable precision shunt regulator | 
		
| TLVH431A-Q1 | 
TI | 
10+ | 
SOP | 
Automotive low-voltage adjustable precision shunt regulator | 
		
| TLVH431B-Q1 | 
TI | 
10+ | 
SOP | 
Automotive low-voltage adjustable precision shunt regulator | 
		
| REF1004-1.2 | 
TI | 
10+ | 
SOP | 
Micropower voltage reference | 
		
| REF1004-2.5 | 
TI | 
10+ | 
SOP | 
Micropower voltage reference | 
		
| REF1112 | 
TI | 
10+ | 
SOP | 
1uA quiescent current 10ppm/°C drift parallel voltage reference in a SOT23-3 package | 
		
| TL432BIDBZR | 
TI | 
10+ | 
SOP | 
Adjustable precision parallel regulator | 
		
| TL432A | 
TI | 
10+ | 
SOP | 
Adjustable precision parallel regulator | 
		
| TL431B | 
TI | 
10+ | 
SOP | 
Adjustable precision parallel regulator | 
		
| TL432B | 
TI | 
10+ | 
SOP | 
Adjustable precision parallel regulator | 
		
| TLV431B | 
TI | 
10+ | 
SOP | 
Low voltage adjustable precision parallel regulator | 
		
| TLVH431 | 
TI | 
10+ | 
SOP | 
Low voltage adjustable precision parallel regulator | 
		
| TLVH431A | 
TI | 
10+ | 
SOP | 
Low voltage adjustable precision parallel regulator | 
		
| TLVH431B | 
TI | 
10+ | 
SOP | 
Low voltage adjustable precision parallel regulator | 
		
| LM4040A20 | 
TI | 
10+ | 
SOP | 
2.048V precision micropower parallel voltage reference with 0.1% accuracy |