English
Language : 

CDLL3821 Datasheet, PDF (1/2 Pages) Compensated Deuices Incorporated – LEADLESS PACKAGE FOR SURFACE MOUNT
• 1N3821AUR-1 thru 1N3828AUR-1 AVAILABLE IN JAN, JANTX AND JANTXV
1N3821AUR-1
PER MIL-PRF-19500/115
thru
• LEADLESS PACKAGE FOR SURFACE MOUNT
• DOUBLE PLUG CONSTRUCTION
• METALLURGICALLY BONDED
1N3828AUR-1
and
CDLL3821 thru CDLL 3828A
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
DC Power Dissipation: 1 watt @ +TEC = 125°C
Power Derating: 20 mW / °C above TEC = 125°C
Forward Voltage @ 200mA = 1.2 volts maximum
ELECTRICAL CHARACTERISTICS @ 25°C
CDI
TYPE
NUMBER
(NOTE 1)
NOMINAL
ZENER
VOLTAGE
VZ @ 1ZT
(NOTE 3)
ZENER
TEST
CURRENT
1ZT
MAXIMUM ZENER IMPEDANCE
ZZT @ 1ZT ZZK @ 1ZK=1mA
(NOTE 2)
VOLTS
mA
CDLL3821
3.3
76
CDLL3821A
3.3
76
CDLL3822
3.6
69
CDLL3822A
3.6
69
CDLL3823
3.9
64
CDLL3823A
3.9
64
CDLL3824
4.3
58
CDLL3824A
4.3
58
CDLL3825
4.7
53
CDLL3825A
4.7
53
CDLL3826
5.1
49
CDLL3826A
5.1
49
CDLL3827
5.6
45
CDLL3827A
5.6
45
CDLL3828
6.2
41
CDLL3828A
6.2
41
OHMS
10
10
10
10
9
9
9
9
8
8
7
7
5
5
2
2
OHMS
400
400
400
400
400
400
400
400
500
500
550
550
600
600
700
700
MAX. DC
ZENER
CURRENT
1ZM
mA
276
276
252
252
238
238
213
213
194
194
178
178
162
162
146
146
MAX. REVERSE
LEAKAGE CURRENT
lR @ VR
µA
VOLTS
100
1
100
1
75
1
75
1
25
1
25
1
5
1
5
1
5
1
5
1
3
1
3
1
3
2
3
2
3
3
3
3
NOTE 1
NOTE 2
NOTE 3
No suffix = + 10% tolerance on nominal Zener voltage, suffix “A” signifies +5%, "C" suffix
signifies + 2% and "D" suffix signifies + 1%.
Zener impedance is derived by superimposing on 1ZT A 60Hz rms a.c. current equal to
10% of 1ZT.
Zener voltage is measured with the device junction in thermal equilibrium at an ambient
temperature of 25°C + 3°C.
MILLIMETERS
DIM MIN MAX
D 2.39 2.66
F 0.41 0.55
G 4.80 5.20
G1 4.11 REF.
S 0.03 MIN.
INCHES
MIN MAX
.094 .105
.016 .022
.189 .205
.159 REF.
.001 MIN.
FIGURE 1
DESIGN DATA
CASE: DO-213AB, Hermetically sealed
glass case. (MELF, LL41)
LEAD FINISH: Tin / Lead
THERMAL RESISTANCE: (ROJEC): 50
˚C/W maximum at L = 0 inch
THERMAL IMPEDANCE: (ZOJX): 15
˚C/W maximum
POLARITY: Diode to be operated with the
banded (cathode) end positive.
MOUNTING POSITION: Any.
MOUNTING SURFACE SELECTION:
The Axial Coefficient of Expansion (COE)
Of this Device is Approximately
+6PPM/°C. The COE of the Mounting
Surface System Should Be Selected To
Provide A Suitable Match With This
Device.
22 COREY STREET, MELROSE, MASSACHUSETTS 02176
PHONE (781) 665-1071
FAX (781) 665-7379
WEBSITE: http://www.cdi-diodes.com E-mail: mail@cdi-diodes.com