©2005 Fairchild Semiconductor Corporation 1www.fairchildsemi.com
February 2005
MMSD914 Rev. C
MMSD914 Small Signal Diode
MMSD914
Small Signal Diode
Absolute Maximum Ratings *
T
a
= 25°C unless otherwise noted
* These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
Thermal Charac t eris tics
Electrical Characteristics
T
C
= 25°C unless otherwise noted
Symbol Parameter Value Unit
V
RRM
Maximum Repetitive Reverse Voltage 100 V
I
F(AV)
Average Rectified Forward Current 200 mA
I
FSM
Non-repetitive Peak Forward Surge Current
Pulse Width = 1.0 second
Pulse Width = 1.0 microsecond 1.0
2.0 A
A
T
STG
Storage Temperature Range -55 to +150 °C
T
J
Operating Junction Temperature 150 °C
Symbol Parameter Value Unit
P
D
Power Dissipation 400 mW
R
θJA
Thermal Resistance, Junction to Ambient 312 °C/W
Symbol Parameter Conditions Min. Max. Units
V
R
Breakdown Voltage I
R
= 5.0µA
I
R
= 100µA75
100 V
V
V
F
Forward Voltage I
F
= 10mA 1.0 V
I
R
Reverse Leakage V
R
= 20V
V
R
= 20V, T
A
= 150°C
V
R
= 75V
25
50
5.0
nA
µA
µA
C
T
Total Capacitance V
R
= 0V, f = 1.0MHz 4.0 pF
t
rr
Reverse Recovery Time I
F
= 10mA, V
R
= 6.0V, I
RR
= 1.0mA,
R
L
= 100Ω4.0 ns
V
F(peak)
Peak Forward Recovery V oltage I
F
= 50mA, Peak square wave pulse
width = 0.1µS, 5kHz - 100kHz rep rate 2.5 V
SOD123
COLOR BAND DENOTES CATHO DE
TO P M ARK ING: 5D
MMMSD914 Small Signal Diode
Typical Characteristics
10 20 30 40 50 60
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Ta= 25 C
Reverse Recovery Time [nS]
Reverse Current [mA]
0 50 100 150
0
100
200
300
400
I
F(AV)
- AVERAGE RECTIFIED CURRENT - mA
C u rren t [mA]
Am b ient Temperature, TA [ C]
0 50 100 150 200
0
100
200
300
400
500
DO-35 Pkg
SOT-23 Pkg
Power Dissipation, P
D
[m W]
Average Tem perature, IO [ C ]
Figure 7. Reverse Recovery Time
vs Reverse Current
TRR - IR 10 mA vs 60 mA
Figure 8. Average Rectified Current (IF(AV))
versus Ambient Temperature (TA)
Figure 9. Power Derating Curve
°
°
°
MMMSD914 Small Signal Diode
Typical Characteristics
110
120
130
140
150
1 2 3 5 10 2 0 30 5 0 1 0 0
Ta= 25 C
Reverse Voltage, V
R [V]
Rev e rs e Cu rre n t, IR [u A ] 0
50
100
150
200
250
300
10 20 30 50 70 10 0
Ta= 25 C
Reverse Current, I
R [nA]
Reverse Voltage, VR [V]
250
300
350
400
450
1 2 3 5 10 20 3 0 50 100
Ta= 25 C
Forward V oltage, V
F [m V ]
Forward C u rrent, IF [uA]
450
500
550
600
650
700
0. 1 0.2 0.3 0. 5 1 2 3 5 10
Ta= 25 C
Forw ard V oltage, V
F
[m V ]
Fo rward Curre nt, IF [m A ]
0.6
0.8
1.0
1.2
1.4
10 2 0 3 0 50 1 00 2 00 3 00 5 00
Ta= 25 C
Forward Voltage, V
F
[V]
Forward Current, IF [mA] 0 2 4 6 8 10 12 14
1.0
1.1
1.2
1.3
Ta= 25 C
Total Capacitance [pF]
Reverse Voltage [V]
Figure 1. Reverse V oltage vs Reverse Current
BV - 1.0 to 100uA Figure 2. Reverse Current vs Reverse V oltage
IR - 10 to 100 V
Figure 3. Forward V oltage vs Forward Current
VF - 1.0 to 100 uA Figure 4. Forward V oltage vs Forward Current
VF - 0.1 to 10 mA
Figure 5. Forward V oltage vs Forward Current
VF - 10 - 800 mA Figure 6. Total Capacitance vs Reverse V oltage
°°
°
°
°°
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to
be an exhaustive list of all such trademarks.
2www.fairchildsemi.com
MMSD914 Rev. C
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY
ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT
CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR
SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or systems which,
(a) are intended for surgical implant into the body, or (b) support
or sustain life, or (c) whose failure to perform when properly used
in accordance with instructions for use provided in the labeling,
can be reasonably expected to result in significant injury to the
user.
2. A critical component is any component of a life support device
or system whose failure to perform can be reasonably expected
to cause the failure of the life support device or system, or to
affect its safety or effectiveness.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification Product Status Definition
Advance Information Formative or In
Design This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
Preliminary First Production This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
No Identification Needed Full Production This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
Obsolete Not In Production This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
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MMSD914 Small Signal DiodeMMSD914 Small Signal Diode
