Littelfuse SLD User Manual

Transient Voltage Suppression Diodes

Axial Leaded – 2200W > SLD series

SLD Series

Uni-directional

Bi-directional

Agency Approvals

AGENCY AGENCY FILE NUMBER

E230531

Maximum Ratings and Thermal Characteristics
(T

=25°C unless otherwise noted)

A

Parameter Symbol Value Unit

Peak Pulse Power Dissipation

1. 10ms × 150ms Test Waveform

2. 8/20µs Test Waveform 50000 W

Steady State Power Dissipation on

Ininite Heat Sink at T

Maximum Instantaneous Forward

Voltage at 100A for Unidirectional

Only

Operating Junction and Storage

Temperature Range

Typical Thermal Resistance Junction
to Lead

Typical Thermal Resistance Junction
to Ambient

=75ºC (Fig. 6)

L

P

PPM

P

M(AV)

V

, T

T

J

R

uJL

R

uJA

Functional Diagram

F

-55 to 150 °C

STG

2200 W

8.0 W

3.5 V

8.0 °C/W

40 °C/W

RoHS

Description

The SLD Series is packaged in a highly reliable industry
standard P600 axial leaded package and is designed to
provide percision overvoltage protection for sensitive
electronics.

Features

VBR @TJ= VBR@25°C × (1+αT

•

x (TJ - 25))

(αT: Temperature Coefficient)

• Glass passivated chip

junction in P600 package

• ISO 7637-2 Level 4

Impulse 5a; 2200W peak
pulse capability at 10ms
× 150ms waveform,
repetition rate
(duty cycles): 0.01%

• Fast response time:

typically less than 1.0ps
from 0 Volts to BV min

• Excellent clamping

capability

• Typical failure mode is

short from over-specified
voltage or current

• Whisker test is conducted
based on JEDEC
JESD201A per its table 4a
and 4c

• IEC-61000-4-2 ESD

15kV(Air), 8kV (Contact)

• ESD protection of data

lines in accordance with

IEC 61000-4-2 (IEC801-2)

• EFT protection of data

lines in accordance with

IEC 61000-4-4 (IEC801-4)

• Low incremental surge

resistance

• High temperature

soldering guaranteed:

260°C/40 seconds /

0.375”,(9.5mm) lead
length, 5 lbs., (2.3kg)

tension

• Plastic package has

underwriters laboratory
flammability classification

94V-O

• Matte tin lead–free plated

• Halogen free and RoHS

compliant

Applications

Designed to protect sensitive electronics from:

- Inductive Load Switching

- Alternator Load Dump

Bi-directional

Cathode

Uni-directional

© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/20/14

Anode

Additional Information

Datasheet

Resources

Samples

Transient Voltage Suppression Diodes

Axial Leaded – 2200W > SLD series

Electrical Characteristics (T

Part

Number

(Uni)

Part

Number

(Bi)

=25°C unless otherwise noted)

A

Breakdown

Voltage V

@ I

BR

T

(V)

MIN MAX

Test

Current

I

T

(mA)

Reverse

Stand off

Voltage

(Volts)

V

R

Maximum

Reverse

Leakage @ V

IR (µA)

Maximum

Peak Pulse

Current

R

Ipp (A)

Maximum

Clamping

Voltage @ I

VC (V)

PP

SLD10U-017 SLD10-018 11. 8 13.0 5.0 10 10 115 19.0 x

SLD11U-017 SLD11-018 12.2 13.5 5.0 11 10 105 20.7 x
SLD12U-017 SLD12-018 13.3 14.7 5.0 12 10 99 22.0 x
SLD13U-017 SLD13-018 14.4 15.9 5.0 13 10 96 22.6 x

SLD14U-017 SLD14-018 15.6 1 7. 2 5.0 14 10 84 25.9 x

SLD15U-017 SLD15-018 16.7 18.5 5.0 15 10 80 27.0 x

SLD16U-017 SLD16-018 18.0 19.3 1. 0 16 10 76 28.6 x

SLD17U-017 SLD17-018 18.9 20.9 5.0 17 10 74 29.7 x
SLD18U-017 SLD18-018 20.0 22.1 5.0 18 10 70 31.1 x
SLD20U-017 SLD20-018 22.2 24.5 5.0 20 10 64 34.1 x
SLD22U-017 SLD22-018 24.4 26.9 5.0 22 10 61 35.5 x
SLD24U-017 SLD24-018 25.0 30.0 1.0 24 10 61 36.0 x
SLD26U-017 SLD26-018 28.9 31.9 5.0 26 10 48 44.1 x
SLD28U-017 SLD28-018 31.1 34.4 5.0 28 10 44 47.4 x
SLD30U-017 SLD30-018 33.3 36.8 5.0 30 10 42 50.4 x
SLD33U-017 SLD33-018 36.7 40.6 5.0 33 10 38 55.3 x
SLD36U-017 SLD36-018 40.0 44.2 5.0 36 10 35 60.1 x

Notes:

measured after IT applied for 300µs, IT= square wave pulse or equivalent.

1. V

BR

2. Surge current waveform per 10mS x 150mS exponential wave and derated per Fig. 3.

3. All terms and symbols are consistent with ANSI/IEEE C62.35.

Agency

Approval

I-V Curve Characteristics

Uni-directional

BR

V

Vc

VR

IR

VF

IT

Ipp

P

Peak Pulse Power Dissipation -- Max power dissipation

PPM

V

Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation

R

V

Breakdown Voltage -- Maximum voltage that ows though the TVS at a specied test current (IT)

BR

V

Clamping Voltage -- Peak voltage measured across the suppressor at a specified Ippm (peak impulse current)

C

I

Reverse Leakage Current -- Current measured at V

R

V

Forward Voltage Drop for Uni-directional

F

V

R

Bi-directional

BR

V

Vc

VR

Ipp

IT
IR

IR
IT

Ipp

VR

BR

V

V

Vc

Specifications are subject to change without notice.

© 2014 Littelfuse, Inc.

Revised: 01/20/14