1N957
器件资料摘要：
SYMBOL MIN. TYP. MAX. UNIT
Thermal Resistance
RthJA – – 300
(1)
°C/W
Junction to Ambient Air
Forward Voltage
VF – – 1.5 Volts
at IF = 200 mA
NOTES:
(1) Valid provided that leads at a distance of 3/8” from case are kept at ambient temperature.
FEATURES
currency1 Silicon Planar Power Zener Diodes
currency1 Standard Zener voltage tolerance is ±5% for
“B” suffix. Other tolerances are available upon
request.
MECHANICAL DATA
Case: DO-35 Glass Case
Weight: approx. 0.13 g
MAXIMUM RATINGS
Ratings at 25°C ambient temperature unless otherwise specified.
1N957 THRU 1N978
ZENER DIODES
mi
n. 1.083 (
27.5)
mi
n. 1.083
(
2
7
.
5)
max
. .
150 (
3.8)
max.
∅
Cathode
.020 (0.52)
Mark
max. ∅.079 (2.0)
DO-35
Dimensions are in inches and (millimeters)
1/6/98
SYMBOL VALUE UNIT
Zener Current (see Table “Characteristics”)
Power Dissipation at TL = 75°C Ptot 500
(1)
mW
Junction Temperature Tj 175 °C
Storage Temperature Range TS – 65 to +175 °C
NOTES:
(1) TL is measured 3/8” from body.
NEW PRODUCT NEW PRODUCT NEW PRODUCT
Thermal Resistance
RthJA – – 300
(1)
°C/W
Junction to Ambient Air
Forward Voltage
VF – – 1.5 Volts
at IF = 200 mA
NOTES:
(1) Valid provided that leads at a distance of 3/8” from case are kept at ambient temperature.
FEATURES
currency1 Silicon Planar Power Zener Diodes
currency1 Standard Zener voltage tolerance is ±5% for
“B” suffix. Other tolerances are available upon
request.
MECHANICAL DATA
Case: DO-35 Glass Case
Weight: approx. 0.13 g
MAXIMUM RATINGS
Ratings at 25°C ambient temperature unless otherwise specified.
1N957 THRU 1N978
ZENER DIODES
mi
n. 1.083 (
27.5)
mi
n. 1.083
(
2
7
.
5)
max
. .
150 (
3.8)
max.
∅
Cathode
.020 (0.52)
Mark
max. ∅.079 (2.0)
DO-35
Dimensions are in inches and (millimeters)
1/6/98
SYMBOL VALUE UNIT
Zener Current (see Table “Characteristics”)
Power Dissipation at TL = 75°C Ptot 500
(1)
mW
Junction Temperature Tj 175 °C
Storage Temperature Range TS – 65 to +175 °C
NOTES:
(1) TL is measured 3/8” from body.
NEW PRODUCT NEW PRODUCT NEW PRODUCT