©2004 Fairchild Semiconductor Corporation 1 www.fairchildsemi.com
November 2004
1N459/A Rev. 1.0.0
1N
45
9/
A
Sma
ll S
i
gnal
Di
ode
1N459/A
Small Signal Diode
Absolute Maximum Ratings * T
a
= 25°C unless otherwise noted
* These ratings are limiting values above which the serviceability of the diode may be impaired.
NOTES:
1) These ratings are based on a maximum junction temperature of 200 degrees C.
2) These are steady limits. The factory should be consulted on applications involving pulsed or low duty cycle operations.
Thermal Characteristics
Electrical Characteristics T
C
= 25°C unless otherwise noted
Symbol Parameter Value Unit
V
RRM
Maximum Repetitive Reverse Voltage 200 V
I
F(AV)
Average Rectified Forward Current 500 mA
I
FSM
Non-repetitive Peak Forward Surge Current
Pulse Width = 1.0 second
Pulse Width = 1.0 microsecond
1.0
4.0
A
A
T
STG
Storage Temperature Range -65 to +200 °C
T
J
Operating Junction Temperature 175 °C
Symbol Parameter Value Unit
P
D
Power Dissipation 500 mW
R
θJA
Thermal Resistance, Junction to Ambient 300 °C/W
Symbol Parameter Conditions Min. Max Units
V
R
Breakdown Voltage I
R
= 100µA 200 V
V
F
Forward Voltage
1N459A
I
F
= 3mA
I
F
= 100mA
1.0
1.0
V
V
I
R
Reverse Leakage 1N459
1N459A
V
R
= 175V
V
R
= 175V, T
A
= 150°C
25
5
nA
µA
C
T
Total Capacitance 1N459A V
R
= 0, f = 1.0MHz 6.0 pF
DO-35
Color Band Denotes Cathode