BAS521 Datasheet, PDF (1/4 Pages) NXP Semiconductors – High voltage switching diode

Features
• Fast Switching Speed: max. 50 ns
• High Reverse Breakdown Voltage: 300V
• Low Leakage Current: 100nA at room temperature
• Ultra Small Plastic SMD Package
• Lead, Halogen and Antimony Free, RoHS Compliant (Note 3)
• "Green" Device (Note 4)
BAS521
HIGH VOLTAGE SWITCHING DIODE
Mechanical Data
• Case: SOD-523
• Case Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020
• Terminals: Finish - Matte Tin annealed over Alloy 42 leadframe.
• Solderable per MIL-STD-202, Method 208
• Marking Information: See Page 2
• Ordering Information: See Page 2
• Weight: 0.0014 grams (approximate)
2
Top View
1
Device Schematic
Maximum Ratings @T_A = 25°C unless otherwise specified
Characteristic
Repetitive Peak Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Forward Current (Note 2)
Non-Repetitive Peak Forward Surge Current @ t = 1.0μs
Repetitive Peak Forward Current (Note 2)
Symbol
V_RRM
V_RWM
I_F
I_FSM
I_FRM
Value
300
300
250
4.5
1
Unit
V
V
mA
A
A
Thermal Characteristics
Characteristic
Power Dissipation (Note 2)
Thermal Resistance Junction to Ambient Air (Note 2)
Operating and Storage Temperature Range
Symbol
P_D
R_θJA
T_J, T_STG
Value
325
385
-65 to +150
Unit
mW
°C/W
°C
Electrical Characteristics @T_A = 25°C unless otherwise specified
Characteristic
Reverse Breakdown Voltage (Note 1)
Forward Voltage
Reverse Current (Note 1)
Total Capacitance
Reverse Recovery Time
Symbol
Min
V_(BR)R
300
V_F
⎯
⎯
I_R
⎯
⎯
C_T
⎯
t_rr
⎯
Max
⎯
1.1
50
150
100
5
50
Unit
V
V
nA
nA
μA
pF
ns
Test Condition
I_R = 100μA
I_F = 100mA
V_R = 5V
V_R = 250V
V_R = 250V, T_J = 150°C
V_R = 0, f = 1.0MHz
I_F = I_R = 30mA,
I_rr = 0.1 x I_R, R_L = 100Ω
Notes:
1. Short duration pulse test used to minimize self-heating effect.
2. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
3. No purposefully added lead. Halogen and Antimony Free.
4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
BAS521
Document number: DS32175 Rev. 4 - 2
1 of 4
www.diodes.com
July 2010
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