Philips PMLL4148L, PMLL4448 Technical data

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PMLL4148L; PMLL4448

High-speed switching diodes

Rev. 06 — 4 April 2005 Product data sheet

1. Product profile

1.1 General description

Single high-speed switching diodes, fabricated in planar technology, and encapsulated in
small hermetically sealed glass SOD80C SMD packages.

Table 1: Product overview

Type number Package Configuration

PMLL4148L SOD80C - single diode
PMLL4448 SOD80C - single diode

Philips JEITA

1.2 Features

■ Small hermetically sealed glass SMD package

■ High switching speed: ≤ 4 ns

■ Continuous reverse voltage: ≤ 75 V

■ Repetitive peak reverse voltage: ≤ 100 V

■ Repetitive peak forward current: ≤ 450 mA

1.3 Applications

■ High-speed switching

■ Inverse-polarity protection

1.4 Quick reference data

Table 2: Quick reference data

Symbol Parameter Conditions Min Typ Max Unit

I

F

I

FRM

V

R

V

F

t

rr

[1] Device mounted on an FR4 Printed-Circuit Board (PCB), single-sided copper, tin-plated and standard

footprint.

[2] When switched from IF = 10 mA to IR = 60 mA; RL = 100 Ω; measured at IR = 1 mA

forward current
repetitive peak forward

current
reverse voltage - - 75 V
forward voltage IF = 100 mA - - 1000 mV

PMLL4148L I
PMLL4448 I

reverse recovery time

= 10 mA - - 1000 mV

F

= 5 mA 620 - 720 mV

F

[1]

- - 200 mA

- - 450 mA

[2]

--4ns

Philips Semiconductors

2. Pinning information

Table 3: Pinning

Pin Description Simplified outline Symbol

1 cathode
2 anode

[1] The marking band indicates the cathode.

3. Ordering information

Table 4: Ordering information

Type number Package

PMLL4148L - hermetically sealed glass surface mounted package;

PMLL4448 - hermetically sealed glass surface mounted package;

PMLL4148L; PMLL4448

High-speed switching diodes

[1]

ka

sym006

Name Description Version

SOD80C

2 connectors

SOD80C

2 connectors

4. Marking

Table 5: Marking codes

Type number Marking code

PMLL4148L marking band
PMLL4448 marking band

[1] black: made in Philippines

brown: made in China

5. Limiting values

Table 6: Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol Parameter Conditions Min Max Unit

V

RRM

V

R

I

F

I

FRM

I

FSM

P

tot

[1]

repetitive peak reverse

- 100 V

voltage
reverse voltage - 75 V
forward current
repetitive peak forward

[1]

- 200 mA

- 450 mA

current
non-repetitive peak forward

current

total power dissipation T

square wave

tp = 1 µs-4A

= 1 ms - 1 A

t

p

= 1 s - 0.5 A

t

p

= 25 °C

amb

[2]

[1]

- 500 mW

9397 750 14606 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.

Product data sheet Rev. 06 — 4 April 2005 2 of 11

Philips Semiconductors

PMLL4148L; PMLL4448

High-speed switching diodes

Table 6: Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol Parameter Conditions Min Max Unit

T

j

T

amb

T

stg

[1] Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint.
[2] Tj = 25 °C prior to surge

junction temperature - 200 °C
ambient temperature −65 +200 °C
storage temperature −65 +200 °C

6. Thermal characteristics

Table 7: Thermal characteristics

Symbol Parameter Conditions Min Typ Max Unit

R

th(j-a)

thermal resistance from
junction to ambient

R

th(j-sp)

thermal resistance from
junction to solder point

[1] Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint.

7. Characteristics

…continued

in free air

[1]

- - 350 K/W

- - 300 K/W

Table 8: Characteristics

T

= 25°C unless otherwise specified.

amb

Symbol Parameter Conditions Min Typ Max Unit

V

F

I

R

C

d

forward voltage IF = 100 mA - - 1000 mV

PMLL4148L I
PMLL4448 I

= 10 mA - - 1000 mV

F

= 5 mA 620 - 720 mV

F

reverse current VR = 20 V - - 25 nA

= 20 V; Tj = 150 °C--50µA

V

R

PMLL4448 V

diode

= 20 V; Tj = 100 °C--3µA

R

VR = 0 V; f = 1 MHz - - 4 pF

capacitance

t

rr

reverse recovery

[1]

--4ns

time

V

FR

forward recovery

[2]

- - 2.5 V

voltage

[1] When switched from IF = 10 mA to IR = 60 mA; RL = 100 Ω; measured at IR = 1 mA
[2] When switched from IF = 50 mA; tr = 20 ns

9397 750 14606 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.

Product data sheet Rev. 06 — 4 April 2005 3 of 11

Philips Semiconductors

PMLL4148L; PMLL4448

High-speed switching diodes

amb

mbg451

(°C)

300

I

F

(mA)

200

100

0

0 100 200

T

FR4 PCB; standard footprint (1) Tj = 175 °C; typical values

Fig 1. Maximum permissible forward current as a

function of ambient temperature

mbg704

I

FSM

(A)

2

10

600

I

F

(mA)

400

(1) (2) (3)

200

0

012

mbg464

VF (V)

(2) Tj = 25 °C; typical values
(3) Tj = 25 °C; maximum values

Fig 2. Forward current as a function of forward

voltage

mgd006

I

R

(mA)

3

10

2

10

10

1

−1

10

110

10 10

2

3

10

tp (µs)

4

Based on square wave currents
Tj = 25 °C prior to surge

Fig 3. Maximum permissible non-repetitive peak

forward current as a function of pulse duration

10

1

−1

10

−2

10

0 100

(1) (2)

T

(oC)

j

(3)

200

(1) VR = 75 V; maximum values
(2) VR = 75 V; typical values
(3) VR = 20 V; typical values

Fig 4. Reverse current as a function of junction

temperature

9397 750 14606 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.

Product data sheet Rev. 06 — 4 April 2005 4 of 11