Diodes UDZ5V1BF User Manual
θ
K
K
K
μ
Features
• 500mW Power Dissipation on FR-4 PCB
• Very Tight Tolerance on V
• Low Reverse Leakage Current
• Ideally Suited for Automated Assembly Processes
• Lead, Halogen and Antimony Free, RoHS Compliant (Note 2)
• "Green" Device (Note 3)
NEW PRODUCT
Z
Top View
UDZ5V1BF
0.5W SURFACE MOUNT PRECISION ZENER DIODE
Mechanical Data
• Case: SOD-323F
• Case Material: Molded Plastic, “Green Molding Compound”.
UL Flammability Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020
• Terminal Connections: Cathode Band
• Terminals: Finish - Matte Tin annealed over Copper Alloy
leadframe. Solderable per MIL-STD-202, Method 208
• Marking Information: See Page 3
• Ordering Information: See Page 3
• Weight: 0.01 grams (approximate)
Maximum Ratings @T
= 25°C unless otherwise specified
A
Characteristic Symbol Value Unit
Forward Voltage @ IF = 10mA VF
0.95 V
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
P
R
T
J, TSTG
D
JA
Electrical Characteristics @T
Type Number Marking Code
= 25°C unless otherwise specified
A
Zener Voltage Range
(Notes 4, 5)
VZ @ IZT IZT Z
Min (V) Max (V) mA
Maximum Zener Impedance
@ IZTZ
ZT
Ω
UDZ5V1BF GM 4.98 5.20 5 80 500 0.5 2 1.5
Notes: 1. Device mounted on FR-4 PCB with 10mm x 10mm pad, board size 35mm * 25mm.
2. No purposefully added lead. Halogen and Antimony Free.
3. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
4. The Zener voltage is measured 40ms after power is supplied.
5. For inquiries on alternate nominal zener voltages, please contact your Diodes Inc. sales representative for availability and minimum order details.
6. f = 1kHz.
7. Short duration pulse test used to minimize self-heating effect.
UDZ5V1BF
Document number: DS32228 Rev. 5 - 2
1 of 4
www.diodes.com
500 mW
200
-65 to +150
°C/W
°C
Maximum Reverse
(Note 6)
@ I
Z
I
Z
I
Z
mA
Current (Note 7)
@ VR
R
A
© Diodes Incorporated
V
August 2010
P
P
OWER
PATIO
T
T
O
U
O
RWARD CUR
RENT
R CUR
RENT
TANT
O
US R
R
CUR
RENT
C
T
O
T
CAPACITANC
pF)
NEW PRODUCT
0.6
1,000
UDZ5V1BF
(mA)
R = 200°C/W
θ
0.5
N (W)
JA
100
0.4
0.3
DISSI
10
S F
0.2
,
D
0.1
0
250 50 75 100 125 150
T , AMBIENT TEMPERATURE ( C)
A
Fig. 1 Power Derating Curve
°
100
1
ANE
AN
F
0.1
I , INS
0.4 0.6 0.8 1.0 1.2
V , INSTANTANEOUS FORW ARD VOLTAGE (V)
F
Fig. 2 Typical Forward Characteristics
100
(µA)
10
10
(mA)
Z
I, ZENE
0.001
0.0001
E (
AL
1
0.1
0.01
23 456
V , ZENER VOLT AGE (V)
Z
Fig. 3 Typical Zener Breakdown Characteristics
40
35
f = 1MHz
30
25
20
15
SE
EVE
ANE
0.0001
R
I , INS
0.00001
1
T = 150°C
0.1
0.01
0.001
A
T = 85°C
A
T = 25°C
A
T = -55°C
A
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
V , INSTANT ANEOUS REVERSE VOLTAGE (V)
R
Fig. 4 Typical Reverse Characteristics
,
10
T
5
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
V , INSTANT ANEOUS REVERSE VOLTAGE (V)
R
Fig. 5 Typical Total Capacitance
UDZ5V1BF
Document number: DS32228 Rev. 5 - 2
2 of 4
www.diodes.com
August 2010
© Diodes Incorporated
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