1N5257
1N5257 is ZENER DIODES manufactured by General Semiconductor.
1N5225 THRU 1N5267
ZENER DIODES
Features
DO-35 min. 1.083 (27.5)
- Silicon Planar Power Zener Diodes
- Standard Zener voltage tolerance is ± 5% with a “B” suffix. Other tolerances are available upon request. max. ∅.079 (2.0)
Cathode Mark min. 1.083 (27.5)
- These diodes are also available in Mini-MELF case with the type designation ZMM5225 ... ZMM5267, SOT-23 case with the type designation MMBZ5265 ... MMBZ5267 and SOD-23 case with the types designation MMSZ5225 ... MMSZ5267. max. .150 (3.8) max. ∅.020 (0.52)
MECHANICAL DATA
Dimensions are in inches and (millimeters)
Case: DO-35 Glass Case Weight: approx. 0.13 g
MAXIMUM RATINGS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOL
VALUE
UNIT
Zener Current (see Table “Characteristics”) Power Dissipation at Tamb = 75°C Maximum Junction Temperature Storage Temperature Range Ptot Tj TS 500(1) 175
- 65 to +175 m W °C °C
SYMBOL
MIN.
TYP.
MAX.
UNIT
Thermal Resistance Junction to Ambient Air Forward Voltage at IF = 200 m A
RΘJA VF
- -
- -
300(1) 1.1
°C/W Volts
NOTES: Valid provided that leads at a distance of 10 mm from case are kept at ambient...