SILICON ZENER DIODES
1N4728 - 1N4764
Z1110 - Z1200
Z
V : 3.3 - 200 Volts
D
P : 1 Watt
1.00 (25.4)
FEATURES :
0.107 (2.7)
MIN.
* Complete voltage range 3.3 to 200 Volts
0.080 (2.0)
* High peak reverse power dissipation
* High reliability
* Low leakage current
0.205 (5.2)
0.166 (4.2)
MECHANICAL DATA
1.00 (25.4)
0.034 (0.86)
MIN.
* Case : DO-41 Molded plastic
* Epoxy : UL94V-O rate flame retardant
0.028 (0.71)
* Lead : Axial lead solderable per MIL-STD-202,
method 208 guaranteed
* Polarity : Color band denotes cathode end
* Mounting position : Any
Dimensions in inches and ( millimeters )
* Weight : 0.339 gram
MAXIMUM RATINGS
Rating at 25 C ambient temperature unless otherw ise specified
°
Rating
Symbol
Value
Unit
DC Power Dissipation at TL = 50 C (Note1)
PD
1.0
Watt
°
Maximum Forward Voltage at IF = 200 mA
Maximum Thermal Resistance Junction to Ambient Air (Note2)
Junction Temperature Range
VF
1.2
Volts
K / W
R JA
q
170
TJ
- 55 to + 175
- 55 to + 175
C
C
°
°
Storage Temperature Range
Ts
Note :
(1) TL = Lead temperature at 3/8 " (9.5mm) from body
(2) Valid provided that leads are kept at ambient temperature at a distance of 10 mm from case.
Fig. 1 POWER TEMPERATURE DERATING CURVE
1.25
1.00
0.75
0.50
L = 3/8" (9.5mm)
0.25
0
25
50
75
100
125
150
175
TL, LEAD TEMPERATURE ( C)
°
UPDATE : SEPTEMBER 9, 2000