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Details, datasheet, quote on part number:1N4448
 
 
Part:1N4448
Category:Discrete => Diodes & Rectifiers => High Speed
Description:High Conductance Fast Diode
Company:Fairchild Semiconductor
Datasheet:Download 1N4448 datasheet   File size : 81 kB
Request For quote:  Find where to buy 1N4448
 



Datasheet text preview:
1N/FDLL 914/A/B / 916/A/B / 4148 / 4448

1N/FDLL 914/A/B / 916/A/B / 4148 / 4448

Small Signal Diode
Absolute Maximum Ratings*
Symbol
VRRM IF(AV) IFSM Ts t g TJ
TA = 25°C unless otherwise noted

Parameter
Maximum Repetitive Reverse Voltage Average Rectified Forward Current Non-repetitive Peak Forward Surge Current Pulse Width = 1.0 second Pulse Width = 1.0 microsecond Storage Temperature Range Operating Junction Temperature

Value
100 200 1.0 4.0 -65 to +200 175

Units
V mA A A °C °C

*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
NOTES: 1) These ratings are based on a maximum junction temperature of 200 degrees C. 2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations.

Thermal Characteristics
Symbol
PD R J A

Characteristic
Power Dissipation Thermal Resistance, Junction to Ambient

Max
1N/FDLL 914/A/B / 4148 / 4448 500 300

Units
mW °C/W

2 0 0 2 Fairchild Semiconductor Corporation

1N/FDLL 914/A/B / 916/A/B / 4148 / 4448, Rev. B

1N/FDLL 914/A/B / 916/A/B / 4148 / 4448

Small Signal Diode
(continued)

Electrical Characteristics
Symbol
VR VF

TA = 25°C unless otherwise noted

Parameter
Breakdown Voltage Forward Voltage 1N914B/4448 1N916B 1N914/916/4148 1N914A/916A 1N916B 1N914B/4448

Test Conditions
IR = 100 µA IR = 5.0 µA IF = 5.0 mA IF = 5.0 mA IF = 10 mA IF = 20 mA IF = 20 mA IF = 100 mA VR = 20 V VR = 20 V, TA = 150°C VR = 75 V VR = 0, f = 1.0 MHz VR = 0, f = 1.0 MHz IF = 10 mA, VR = 6.0 V (60mA), Irr = 1.0 mA, RL = 100

Min
100 75 620 630

Max

Units
V V mV mV V V V V nA µA µA pF pF ns

IR CT trr

Reverse Current

720 730 1.0 1.0 1.0 1.0 25 50 5.0 2.0 4.0 4.0

Total Capacitance 1N916A/B/4448 1N914A/B/4148 Reverse Recovery Time

Typical Characteristics
1 60

T a= 25 C

o

1 20

T a = 25 C

o

R e vers e Voltage, VR [V]

1 50

R e v e r s e Current, IR [nA]

1 00

80

1 40

60

1 30

40

1 20

20

1 10

0

10

1

2

3

5

10

20

30

50

100

R e v e r s e V o l t a g e , V R [V]

20

30

50

70

100

R e v e r s e Current, IR [uA]

Figure 1. Reverse Voltage vs Reverse Current BV - 1.0 to 100 uA

Figure 2. Reverse Current vs Reverse Voltage IR - 10 to 100 V

GENERAL RULE: The Reverse Current of a diode will approximately double for every ten (10) Degree C increase in Temperature

550

T a = 25 C

o

750

Ta= 25 C

o

Forw ard Voltage, VR [mV]

450

F o rw a rd Voltage, V [mV] F

500

700

650

400

600

350

550

300

500

250

1

2

3

5

10

20

30

50

100

450

0 .1

0.2

0.3

0.5

1

2

3

5

10

F o rw a rd Current, IF [uA]

Figure 3. Forward Voltage vs Forward Current VF - 1 to 100 uA

Figure 4. Forward Voltage vs Forward Current VF - 0.1 to 10 mA

F o r w a r d Current, I F [m A ]

1N/FDLL 914/A/B / 916/A/B / 4148 / 4448

Small Signal Diode
(continued)

Typical Characteristics

(continued)

1 .6

900

Ta= 25 C

o

Forward Voltage, V F [mV]

800 700 600 500 400 300

T y p ic a l T a= -40 C
o

Forward Voltage, VF [mV]

1 .4

1 .2

T a= 25 C

o

1 .0

Ta= +65 C

o

0 .8

0 .6

10

20

30

50

100

200

300

500

800

0 .0 1

0 .0 3

0 .1

0 .3

1

3

10

Forward Current, IF [mA]

Figure 5. Forward Voltage vs Forward Current VF - 10 to 800 mA

Figure 6. Forward Voltage vs Ambient Temperature VF - 0.01 - 20 mA (-40 to +65 Deg C)
4 .0

Forward Current, IF [mA]

0.90

0.85

0.80

0.75

Reverse Recovery Time, t rr [ns]

TA = 25 C

o

Ta = 25 C

o

3 .5

Total Capacitance (pF)

3 .0

2 .5

2 .0

1 .5

1 .0

0

2

4

6

8

10

12

14

10

20

30

40

50

60

REVERSE VOLTAGE (V)

IF = 10mA - IRR = 1.0 mA - Rloop = 100 Ohms

R e v e rs e Recovery Current, Irr [mA]

Figure 7. Total Capacitance

Figure 8. Reverse Recovery Time vs Reverse Recovery Current

500

500

400

Power Dissipation, P [mW] D

400

DO-35

Current (mA)

300

300

200

IF(

AV )

- A VE

R AG

SOT-23

E RE C

T IF IE

200

D CU

R RE

100

NT -

mA

100

0

0

50

100
o

150

0

0

50

100

150
o

200

A m b ien t Temperature ( C )

Temperature [ C]

Figure 9. Average Rectified Current (IF(AV)) versus Ambient Temperature (TA)

Figure 10. Power Derating Curve

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.

ACEx Bottomless CoolFET CROSSVOLT DenseTrench DOME EcoSPARK E2CMOSTM EnSignaTM FACT FACT Quiet Series
DISCLAIMER

FAST â FASTr FRFET GlobalOptoisolator GTO HiSeC I2C ISOPLANAR LittleFET MicroFET MicroPak

MICROWIRE OPTOLOGIC â OPTOPLANAR PACMAN POP Power247 PowerTrench â QFET QS QT Optoelectronics Quiet Series

SILENT SWITCHER â UHC SMART START UltraFET â SPM VCX STAR*POWER Stealth SuperSOT-3 SuperSOT-6 SuperSOT-8 SyncFET TinyLogic TruTranslation

STAR*POWER is used under license

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 FAIRCHILDS 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: 2. A critical component is any component of a life 1. Life support devices or systems are devices or support device or system whose failure to perform can systems which, (a) are intended for surgical implant into be reasonably expected to cause the failure of the life the body, or (b) support or sustain life, or (c) whose support device or system, or to affect its safety or failure to perform when properly used in accordance with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Advance Information Product Status Formative or In Design First Production Definition This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. 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. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only.

Preliminary

No Identification Needed

Full Production

Obsolete

Not In Production

Rev. H5