MOTOROLA
SEMICONDUCTOR
TECHNICAL DATA
1 to 3 Watt DO-41 Surmetic 30
Zener Voltage Regulator Diodes
GENERAL DATA APPLICABLE TO ALL SERIES IN
THIS GROUP
GENERAL
DATA
1–3 WATT
DO-41
SURMETIC 30
1 TO 3 WATT
ZENER REGULATOR
DIODES
3.3–400 VOLTS
1 to 3 Watt Surmetic 30
Silicon Zener Diodes
. . . a complete series of 1 to 3 Watt Zener Diodes with limits and operating characteristics
that reflect the superior capabilities of silicon-oxide-passivated junctions. All this in an
axial-lead, transfer-molded plastic package offering protection in all common environmen-
tal conditions.
Specification Features:
•
Surge Rating of 98 Watts @ 1 ms
•
Maximum Limits Guaranteed On Up To Six Electrical Parameters
•
Package No Larger Than the Conventional 1 Watt Package
Mechanical Characteristics:
CASE:
Void-free, transfer-molded, thermosetting plastic
FINISH:
All external surfaces are corrosion resistant and leads are readily solderable
POLARITY:
Cathode indicated by color band. When operated in zener mode, cathode
will be positive with respect to anode
MOUNTING POSITION:
Any
WEIGHT:
0.4 gram (approx)
WAFER FAB LOCATION:
Phoenix, Arizona
ASSEMBLY/TEST LOCATION:
Seoul, Korea
MAXIMUM RATINGS
Rating
DC Power Dissipation @ TL = 75°C
Lead Length = 3/8″
Derate above 75°C
DC Power Dissipation @ TA = 50°C
Derate above 50°C
Operating and Storage Junction Temperature Range
5
PD , MAXIMUM DISSIPATION (WATTS)
L = 1/8″
4
L = 3/8″
3
L = LEAD LENGTH
TO HEAT SINK
Symbol
PD
CASE 59-03
DO-41
PLASTIC
Value
3
24
Unit
Watts
mW/°C
Watt
mW/°C
°C
PD
TJ, Tstg
1
6.67
– 65 to +200
2
L = 1″
1
0
0
20
40
60
80 100 120 140 160
TL, LEAD TEMPERATURE (°C)
180
200
Figure 1. Power Temperature Derating Curve
Motorola TVS/Zener Device Data
1–3 Watt DO-41 Surmetic 30 Data Sheet
6-43
MOTOROLA [ MOTOROLA, INC ]
