UDZ2V0B-UDZ56B
SURFACE MOUNT PRECISION ZENER DIODE
Features
· Ultra-Small Surface Mount Package
TCUDORPWEN
· Ideally suited for Automated Assembly
Processes
· Very Sharp Breakdown Characteristics
· Very Tight Tolerance on Zener Breakdown Voltage
Mechanical Data
· Case: SOD-323, Plastic
· Case Material - UL Flammability Rating
Classification 94V-0
· Moisture sensitivity: Level 1 per J-STD-020A
· Terminals: Solderable per MIL-STD-202,
Method 208
· Polarity: Cathode Band
· Marking: Marking Code (See Table on Page 2)
· Weight: 0.004 grams (approx.)
· Ordering Information, See Below
Maximum Ratings
Characteristic Symbol Value Unit
Power Dissipation (Note 2)
Thermal Resistance, Junction to Ambient Air (Note 2)
Operating and Storage Temperature Range
@ TA = 25°C unless otherwise specified
UNDER DEVELOPMENT
H
C
R
T
j,TSTG
A
B
P
d
qJA
D
G
E
200 mW
625 °C/W
-65 to +150 °C
J
SOD-323
Dim Min Max
A 2.30 2.70
B 1.60 1.80
C 1.20 1.40
D 1.05 Typical
E 0.25 0.35
G 0.20 0.40
H 0.10 0.15
J 0.05 Typical
a 0° 8°
All Dimensions in mm
Ordering Information
Device
(Type Number)-7*
* Add “-7” to the appropriate type number in Table 1 from Sheet 2 example: 6.2V Zener = UDZ6V2B-7.
Notes: 1. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
2. Part mounted on FR-4 PC board with recommended pad layout, which can be found on our website
at http://www.diodes.com/datasheets/ap02001.pdf.
(Note 1)
Packaging Shipping
SOD-323 3000/Tape & Reel
Marking Information
XX
XX = Product Type Marking Code
DS30290 Rev. 5 - 1 1 of 4 UDZ2V0B-UDZ56B
Electrical Characteristics
@ TA = 25°C unless otherwise specified
TCUDORPWEN
Type
Number
UDZ2V0B
UDZ2V2B
UDZ2V4B
UDZ2V7B
UDZ3V0B
UDZ3V3B
UDZ3V6B
UDZ3V9B
UDZ4V3B
UDZ4V7B
UDZ5V1B
UDZ5V6B
UDZ6V2B
UDZ6V8B
UDZ7V5B
UDZ8V2B
UDZ9V1B
UDZ10B
UDZ11B
UDZ12B
UDZ13B
UDZ15B
UDZ16B
UDZ18B
UDZ20B
UDZ22B
UDZ24B
UDZ27B
UDZ30B
UDZ33B
UDZ36B
UDZ39B
UDZ43B
UDZ47B
UDZ51B
UDZ56B
Zener Voltage Range
Marking
Code
Min (V) Max (V) mA
B1 2.020 2.200 5 100 1000 0.5 120 0.5
B2 2.220 2.410 5 100 1000 0.5 120 0.7
B3 2.430 2.630 5 100 1000 0.5 120 1.0
B4 2.690 2.910 5 110 1000 0.5 100 1.0
B5 3.010 3.220 5 120 1000 0.5 50 1.0
B6 3.320 3.530 5 120 1000 0.5 20 1.0
B7 3.600 3.845 5 100 1000 1.0 10 1.0
B8 3.890 4.160 5 100 1000 1.0 5 1.0
B9 4.170 4.430 5 100 1000 1.0 5 1.0
BA 4.550 4.750 5 100 800 0.5 2 1.0
BB 4.980 5.200 5 80 500 0.5 2 1.5
BC 5.490 5.730 5 60 200 0.5 1 2.5
BD 6.060 6.330 5 60 100 0.5 1 3.0
BE 6.650 6.930 5 40 60 0.5 0.5 3.5
BF 7.280 7.600 5 30 60 0.5 0.5 4.0
BG 8.020 8.360 5 30 60 0.5 0.5 5.0
BH 8.850 9.230 5 30 60 0.5 0.5 6.0
BI 9.770 10.210 5 30 60 0.5 0.1 7.0
BJ 10.760 11.220 5 30 60 0.5 0.1 8.0
BK 11.740 12.240 5 30 80 0.5 0.1 9.0
BL 12.910 13.490 5 37 80 0.5 0.1 10.0
BM 14.340 14.980 5 42 80 0.5 0.1 11.0
BN 15.850 16.510 5 50 80 0.5 0.1 12.0
BO 17.560 18.350 5 65 80 0.5 0.1 13.0
BP 19.520 20.390 5 85 100 0.5 0.1 15.0
BQ 21.540 22.470 5 100 100 0.5 0.1 17.0
BR 23.720 24.780 5 120 120 0.5 0.1 19.0
BS 26.190 27.530 5 150 150 0.5 0.1 21.0
BT 29.190 30.690 5 200 200 0.5 0.1 23.0
BU 32.150 33.790 5 250 250 0.5 0.1 25.0
BV 35.070 36.870 5 300 300 0.5 0.1 27.0
BW 38.025 39.975 5 300 350 0.5 0.1 29.0
BX 41.925 44.075 2 300 400 0.5 0.1 32.0
BY 45.825 48.175 2 300 450 0.5 0.1 35.0
BZ 49.725 52.275 2 350 500 0.5 0.1 38.0
U1 54.600 57.400 2 350 500 0.5 0.1 42.0
(Note 3)
VZT@I
ZT
I
ZT
Maximum Zener Impedance
ZZT@I
ZT
(Note 4)
ZZK @ I
W
ZK
I
ZK
mA uA V
Maximum
I
R
Reverse
Current
(Note 3)
V
R
Notes: 3. Short duration test pulse used to minimize self-heating effect.
4. The zener impedances (ZZT, ZZK) are measured by superimposing a minute alternating current on the regulated current (IZ).
UNDER DEVELOPMENT
DS30290 Rev. 5 - 1 2 of 4 UDZ2V0B-UDZ56B