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LC36 Datasheet Preview

LC36 Datasheet

1500 Watt Low Capacitance Transient Voltage Suppressor

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LC36 pdf
LC6.5 – LC170A
Available
1500 Watt Low Capacitance
Transient Voltage Suppressor
DESCRIPTION
This hermetically sealed Transient Voltage Suppressor (TVS) product family includes a
rectifier diode element in series and in the opposite direction. This allows it to present a very
low (< 100 pF) capacitance to the system it is protecting (see Figure 2). The low capacitance
of these devices makes them particularly useful for protecting lines carrying high frequency
signals. They are also useful in protecting from the secondary effects of lightning in airborne
avionics per IEC61000-4-5, RTCA/DO-160G, and ARINC 429. If bidirectional transient
capability is required, two of these low capacitance TVS devices may be used in parallel in
opposite directions (anti-parallel) for complete ac protection as shown in Figure 4.
Screening in
reference to
MIL-PRF-19500
available
Important: For the latest information, visit our website http://www.microsemi.com.
FEATURES
Unidirectional low-capacitance TVS series for flexible thru-hole mounting.
For bidirectional applications, use two in anti-parallel (see Figure 4).
Suppresses transients up to 1500 watts @ 10/1000 µs (see Figure 1).
Clamps transients in less than 100 pico seconds (theoretical for unidirectional).*
Working voltage (VWM) range 6.5 V to 170 V.
5% and 10% tolerance versions available.
Hermetic sealed DO-13 metal package.
Screening options available in reference to MIL-PRF-19500.
(See Part Nomenclature for all available options.)
RoHS compliant versions available.
*measurement limitation
APPLICATIONS / BENEFITS
Protection from switching transients and induced RFI.
Low capacitance for data line protection up to 1 MHz.
Protection for fast data rate lines in aircraft up to:
- RTCA/DO-160G Level 5 Waveform 4 and Level 2 Waveform 5A (also see MicroNote 130)
- ARINC 429, Part 1, paragraph 2.4.1.1 up to bit rates of 100 kb/s
ESD & EFT protection per IEC 61000-4-2 and -4-4.
Secondary lightning protection per IEC61000-4-5 with 42 ohms source impedance:
Class 1: LC6.5 to LC170A
Class 2: LC6.5 to LC150A
Class 3: LC6.5 to LC70A
Class 4: LC6.5 to LC36A
Secondary lightning protection per IEC61000-4-5 with 12 ohms source impedance:
Class 1 : LC6.5 to LC90A
Class 2: LC6.5 to LC45A
Class 3: LC6.5 to LC22A
Class 4: LC6.5 to LC11A
Secondary lightning protection per IEC61000-4-5 with 2 ohms source impedance:
Class 2: LC6.5 to LC20A
Class 3: LC6.5 to LC10A
Inherently radiation hard as described in Microsemi MicroNote 050.
DO-202AA (DO-13)
Package
Also available in:
Case 1 package
(plastic equivalent)
LCE6.5 – LCE170A
DO-215AB package
(Gull wing surface mount)
SMCGLCE6.5 –
SMCGLCE170A
DO-214AB package
(J-bend surface mount)
SMCJLCE6.5 –
SMCJLCE170A
MSC – Lawrence
6 Lake Street,
Lawrence, MA 01841
Tel: 1-800-446-1158 or
(978) 620-2600
Fax: (978) 689-0803
MSC – Ireland
Gort Road Business Park,
Ennis, Co. Clare, Ireland
Tel: +353 (0) 65 6840044
Fax: +353 (0) 65 6822298
Website:
www.microsemi.com
T4-LDS-0293, Rev. 1 (5/6/13)
©2013 Microsemi Corporation
Page 1 of 6



Microsemi
Microsemi

LC36 Datasheet Preview

LC36 Datasheet

1500 Watt Low Capacitance Transient Voltage Suppressor

No Preview Available !

LC36 pdf
LC6.5 – LC170A
MAXIMUM RATINGS
Parameters/Test Conditions
Symbol
Value
Unit
Junction and Storage Temperature
Thermal Resistance, Junction to Lead @ 0.375 inch
(10 mm) from body
Thermal Resistance, Junction to Ambient (1)
Peak Pulse Power @ TL = +25 ºC (2)
Power Dissipation @ TL +125 ºC (3)
Solder Temperature @ 10 s
TJ and TSTG
R ӨJL
R ӨJA
P PP
PD
T SP
-65 to +175
50
110
1500
1
260
ºC
ºC/W
ºC/W
W
W
oC
Notes: 1. When mounted on FR4 PC board with 4 mm2 copper pads (1 oz) and track width 1 mm, length 25 mm.
2. At 10/1000 µs with repetition rate of 0.01% or less (see Figure 1).
3. At 3/8 inch (10 mm) from body. TVS devices are not typically used for dc power dissipation and are instead operated at or less than their
rated standoff voltage (VWM) except for transients that briefly drive the device into avalanche breakdown (VBR to VC region). Also see
Figures 2, 3 and 4 for further protection details in rated peak pulse power for unidirectional and bidirectional configurations respectively.
MECHANICAL and PACKAGING
CASE: Welded, hermetically sealed metal and glass.
TERMINALS: Tin-lead plated or RoHS compliant annealed matte-tin plating. Solderable per MIL-STD-750 method 2026.
MARKING: Part number and polarity diode symbol.
POLARITY: Cathode connected to case and polarity indicated by diode symbol.
TAPE & REEL option: Standard per EIA-296 (add “TR” suffix to part number). Consult factory for quantities.
WEIGHT: Approximately 1.4 grams.
See Package Dimensions on last page.
PART NOMENCLATURE
MQ LC 6.5 A (e3)
Reliability Level
MQ (reference JAN)
MX (reference JANTX)
MV (reference JANTXV)
MSP (reference JANS)
Blank = Commercial
Low Capacitance
RoHS Compliance
e3 = RoHS compliant
Blank = non-RoHS compliant
Tolerance Level
A = +/- 5 %
blank = +/- 10 %
Reverse Standoff Voltage (VWM)
(See Electrical Characteristics
table)
Symbol
I (BR)
V (BR)
VWM
VC
I PP
P PP
ID
SYMBOLS & DEFINITIONS
Definition
Breakdown Current: The current used for measuring breakdown voltage V(BR).
Breakdown Voltage: This is the breakdown voltage the device will exhibit at 25 oC.
Rated Working Standoff Voltage: The maximum peak voltage that can be applied over the operating temperature range.
Maximum Clamping Voltage: The maximum peak voltage appearing across the TVS when subjected to the peak pulse
current in a one millisecond time interval. The peak pulse voltage is the combination of voltage rise due to both the
series resistance and thermal rise and positive temperature coefficient (αV(BR)).
Peak Impulse Current: The peak current during the impulse.
Peak Pulse Power: The pulse power as determined by the product of VC and IPP.
Standby Current: The current at the standoff voltage VWM.
T4-LDS-0293, Rev. 1 (5/6/13)
©2013 Microsemi Corporation
Page 2 of 6


Part Number LC36
Description 1500 Watt Low Capacitance Transient Voltage Suppressor
Maker Microsemi
Total Page 6 Pages
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