FST19040 View Datasheet(PDF) - Microsemi Corporation

Part Name

Description

Manufacturer

FST19040

Low Vf Schottky Powermod

Microsemi Corporation 

Low Vf Schottky Powermod

FST19035 - FST19050

A

N 4 Places

C

E

1 23

B

1 23

Common Cathode

L

HP

Q

R

F

G

M

K

1 23

D

A=Common Anode

J

1 23

Notes:

D=Doubler

Baseplate: Nickel plated copper;

electrically isolated

Pins: Nickel plated copper

Microsemi

Catalog

Number

FST19035*

FST19040*

FST19045*

FST19050*

Working Peak

Peak Reverse

Voltage

35V

40V

45V

50V

Repetitive Peak

Peak Reverse

Voltage

35V

40V

45V

50V

*Add the Suffix A for Common Anode, D for Doubler

Dim. Inches

Min. Max.

A 1.995

B 0.300

C 0.495

D 0.182

E 0.990

F 2.390

G 1.500

H 0.120

J ---

K 0.240

L 0.490

M 0.330

N 0.175

P 0.035

Q 0.445

R 0.890

2.005

0.325

0.505

0.192

1.010

2.410

1.525

0.130

0.400

0.260

0.510

0.350

0.195

0.045

0.455

0.910

TO-249

Millimeters

Min.

50.67

7.62

12.57

4.62

25.15

60.71

38.10

3.05

---

6.10

12.45

8.38

4.45

0.89

11.30

22.61

Max. Notes

50.93

8.26

12.83

4.88 Dia.

25.65

61.21

38.70

3.30

10.16

6.60 to Lead CL

12.95

6.90

4.95 Dia.

1.14

11.56

23.11

Guard Ring Protection

Electrically Isolated Base

Schottky Barrier Rectifier

Low Forward Voltage

Reverse Energy Tested

VRRM 35 to 50 Volts

ROHS Compliant

Electrical Characteristics

Average Forward Current per pkg.

Average Forward Current per leg

Maximum Surge Current per leg

Max. Peak Forward Voltage per leg

Max. Peak Forward Voltage per leg

Max. Peak Reverse Current per leg

Max. Peak Reverse Current per leg

Typical Junction Capacitance per leg

I F(AV) 200 Amps

I F(AV) 100 Amps

I FSM 1500 Amps

V FM .55 Volts

V FM .70 Volts

I RM 100 mA

I RM 4 mA

CJ 4800 pF

TC =

TC =

136°C,

136°C,

Square

Square

wave,

wave,

R 0JC

R 0JC

=

=

0.35°C/W

0.7°C/W

8.3ms, half sine,TJ = 175°C

I FM = 100A:T J = 175°C*

I FM = 100A,T J = 25°C *

VRRM, T J = 125°C*

VRRM, T J = 25°C

VR = 5.0V, T J = 25°C

*Pulse test: Pulse width 300µsec, Duty cycle 2%

Thermal and Mechanical Characteristics

Storage temp range

Operating junction temp range

Max thermal resistance per leg

Max thermal resistance per pkg.

Typical thermal resistance (greased)

Mounting Torque

Weight

T STG

TJ

R OJC

R OJC

R OJC

-55°C to 175°C

-55°C to 175°C

0.7°C/W Junction to case

0.35°C/W

0.1°C/W Case to sink

15-20 inch pounds

2.3 ounces (58.5 grams) typical

www.microsemi.com

January, 2010 - Rev. 3

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