www.element14.com
www.farnell.com
www.newark.com
Page <1> V1.026/02/13
Surface Mount
Switching Diode
Features:
• Fast Switching Speed
• High Conductance
• For General Purpose Switching Applications
• Surface Mount Package Ideally Suited for
Automatic Insertion
Applications:
Small signal switching
Max. Rating @ Ta = 25°C unless otherwise specied
Parameter Symbol Limits Unit
Peak repetitive peak reverse voltage
Working peak reverse voltage
DC reverse voltage
Vrrm
Vrms
Vr
75 V
Non-repetitive peak reverse voltage Vrm 100 V
RMS reverse voltage Vr(rms)53 V
Forward continuous current Ifm 300 mA
Average rectied output current Io150 mA
Non-repetitive peak forward surge current
@t = 1μs
@t = 1s
Ifsm 2
1
A
Power dissipation PD350 mW
Thermal resistance junction to ambient air Rθja 375 °C/W
Operating and storage temperature range Tj, Tstg -65 to +150 °C
Electrical Characteristics @ Ta = 25°C unless otherwise specied
Parameter Symbol Conditions Min. Max. Unit
Reverse breakdown voltage Vr(br)Ir=100μA 75 - V
Maximum Forward voltage Vfm
If = 1mA
If = 10mA
If = 50mA
If = 150mA
-
0.715
0.855
1
1.25
V
Reverse current Ir1Vr = 75V - 2.5 μA
Ir2Vr = 20V - 25 nA
Diode capacitance CdVr =0V, f=1MHz - 2 pF
Reverse recovery time trr If = Ir = 10mA,
Irr = 0.1 × Ir, Rl = 100Ω - 4 ns
www.element14.com
www.farnell.com
www.newark.com
Page <2> V1.026/02/13
Surface Mount
Switching Diode
Typical Characteristics @ Ta = 25°C unless otherwise specied
Plastic surface mounted package
www.element14.com
www.farnell.com
www.newark.com
Page <3> V1.026/02/13
Surface Mount
Switching Diode
Important Notice : This data sheet and its contents (the “Information”) belong to the members of the Premier Farnell group of companies (the “Group”) or are licensed to it. No licence is granted
for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change
without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any
error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any
assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the
Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group’s liability for death or personal injury resulting from its negligence.
Multicomp is the registered trademark of the Group. © Premier Farnell plc 2012.
Part Number Table
Description Part Number
Surface Mount Switching Diode MMBD4148-7-F
Package Information
Device Package Shipping
MMBD4148-7-F SOT-23 3,000 / Tape & Reel
Soldering Footprint
