Fairchild UF4001, UF4007 service manual

UF4001 - UF4007

Features

Low forward voltage drop.

•

• High surge current capability.

• High reliability.

• High current capability.

Fast Rectifiers (Glass Passivated)

COLOR BAND DENOTES CATHODE

DO-41

UF4001 - UF4007

Absolute Maximum Ratings* T

Symbol

V

Maximum Repetitive Reverse Voltage 50 100 200 400 600 800 1000 V

RRM

I

Average Rectified Forward Current,

F(AV)

I

Non-repetitive Peak Forward Surge Current

FSM

T

stg

TJ Operating Junction Temperature -65 to +150

.375 " lead length @ T

8.3 ms Single Half-Sine-Wave

Storage Temperature Range -65 to +150

Parameter

A

= 75°C

= 25°C unless otherwise noted

A

Value

4001 4002 4003 4004 4005 4006 4007

1.0 A

30 A

Units

C

°

C

°

*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.

Thermal Characteristics

Symbol

PD Power Dissipation 2.08 W
R
R

Thermal Resistance, Junction to Ambient 60

θJA

Thermal Resistance, Junction to Lead 15

θJL

Electrical Characteristics T

Symbol

VF Forward Voltage @ 1.0 A
trr Reverse Recovery Time

= 0.5 A, IR= 1.0 A, I

I

IR

CT Total Capacitance

F

Reverse Current @ rated V

= 4.0 V, f = 1.0 MHz

V

R

Parameter

Parameter

RR

R TA

= 25°C unless otherwise noted

A

= 0.25 A

= 25°C

= 100°C

T

A

Value

Device

4001 4002 4003 4004 4005 4006 4007

1.0 1.7 V
50 75 ns

10
50

17 pF

Units

C/W

°

C/W

°

Units

µ
µ

A
A

UF4001-UF4007, Rev. C2001 Fairchild Semiconductor Corporation

Typical Characteristics

UF4001 - UF4007

1.6

[A]

F

1.4

1.2

1

SINGLE PHASE

0.8

HALF WAVE
60HZ

0.6

RESISTIVE OR
INDUCTIVE LOAD

0.4

.375" (9.00mm) LOAD
LENGTHS

0.2

0

0 255075100125150175

Average Rectified Forward Current, I

Ambient Temperature [ºC]

Figure 1. Forward Current Derating Curve

40

10

T = 25 C

T = 25 C

º

º

J

A

Pulse Width = 300
2% Duty Cycle

1

[A]

F

UF4001-UF4003 UF4005-UF4007

0.1

0.01

Forward Current, I

0.001

0.2 0.4 0.6 0.8 1 1.2 1.4

µµµµ

S

UF4004

Forward Voltage, VF [V]

Figure 2. Forward Voltage Characteristics

1000

[A]

FSM

30

20

10

100

[mA]

R

º

T = 125 C

A

10

1

T = 25 C

T = 25 C

º

º

J

A

Reverse Current, I

0

12 51020 50100

Peak Forward Surge Current, I

Number of Cycles at 60Hz

0.1
0 20406080100120140

Percent of Rated Peak Reverse Voltage [%]

Figure 3. Non-Repetitive Surge Current Figure 4. Reverse Current vs Reverse Voltage

60

50

[pF]

T

40

30

20

UF4004-UF4007

10

Total Capacitance, C

0

0.1 0.5 1 2 5 10 20 50 100 500

Reverse Voltage, VR [V]

Figure 5. Total Capacitance

50

Ω

NONINDUCTIVE

50V
(approx)

50Ω
NONINDUCTIVE

NOTES:

1. Rise time = 7.0 ns max; Input impedance = 1.0 megaohm 22 pf.

2. Rise time = 10 ns max; Source impedance = 50 ohms.

50Ω
NONINDUCTIVE

DUT

OSCILLOSCOPE
(Note 1)

(-)

Pulse
Generator
(Note 2)

(+)

Reverse Recovery Time Characterstic and Test Circuit Diagram

UF4001-UF4003

+0.5A

0

-0.25A

-1.0A

1.0cm SET TIME BASE FOR

trr

5/ 10 ns/ cm

UF4001-UF4007, Rev. C2001 Fairchild Semiconductor Corporation