Fairchild Semiconductor-1N5257BTR - Diodes - Zener - Single Product Specifications and Latest Quotes

Part Number	1N5257BTR	1N5251BTR	1N5252BTR	1N5253BTR	1N5254BTR	1N5256BTR	1N5257B-TR	1N5257B/TR
Manufacturer	Fairchild Semiconductor	onsemi	onsemi	Fairchild Semiconductor	onsemi	Fairchild Semiconductor	Vishay General Semiconductor - Diodes Division	Microchip Technology
Product Status	Active	Active	Active	Active	Obsolete	Active	Active	Active
Voltage - Zener (Nom) (Vz)	33 V	22 V	24 V	25 V	27 V	30 V	33 V	33 V
Tolerance	±5%	±5%	±5%	±5%	±5%	±5%	±5%	±5%
Power - Max	500 mW	500 mW	500 mW	500 mW	500 mW	500 mW	500 mW	500 mW
Impedance (Max) (Zzt)	58 Ohms	29 Ohms	33 Ohms	35 Ohms	41 Ohms	49 Ohms	58 Ohms	58 Ohms
Current - Reverse Leakage @ Vr	100 nA @ 25 V	100 nA @ 17 V	100 nA @ 18 V	100 nA @ 19 V	100 nA @ 21 V	100 nA @ 23 V	100 nA @ 25 V	100 nA @ 25 V
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 200 mA	1.2 V @ 200 mA	1.2 V @ 200 mA	1.2 V @ 200 mA	1.2 V @ 200 mA	1.2 V @ 200 mA	1.1 V @ 200 mA	1.5 V @ 200 mA
Operating Temperature	-65°C ~ 200°C (TJ)	-65°C ~ 200°C	-65°C ~ 200°C	-65°C ~ 200°C (TJ)	-65°C ~ 200°C	-65°C ~ 200°C	-65°C ~ 175°C	-65°C ~ 175°C (TA)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial
Supplier Device Package	DO-35 (DO-204AH)	DO-35	DO-35	DO-35 (DO-204AH)	DO-35	DO-35	DO-35 (DO-204AH)	DO-35 (DO-204AH)

Fairchild Semiconductor 1N5257BTR