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1N6469US thru 1N6476US Voidless-Hermetically-Sealed Surface Mount Unidirectional Transient Suppressors
SCOTTSDALE DIVISION
DESCRIPTION
This surface mount series of industry recognized voidless-hermetically-sealed Unidirectional Transient Voltage Suppressor (TVS) designs is military qualified to MILPRF-19500/552 and are ideal for high-reliability applications where a failure cannot be tolerated. They provide a Working Peak "Standoff" Voltage selection from 5.0 to 51.6 Volts with 1500 W ratings. They are very robust in hard-glass construction and also use an internal metallurgical bond identified as Category I for high reliability applications. The 1500 W series is military qualified to MIL-PRF-19500/552. These devices are also available in axial-leaded packages for thru-hole mounting by deleting the "US" suffix (see separate data sheet for 1N6469 thru 1N6476A). Microsemi also offers numerous other TVS products to meet higher and lower peak pulse power and voltage ratings in both through-hole and surface-mount packages.
IMPORTANT: For the most current data, consult MICROSEMI's website: http://www.microsemi.com
APPEARANCE
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Package "G" (or "D-5C")
FEATURES
* * * * * High surge current and peak pulse power provides transient voltage protection for sensitive circuits Triple-layer passivation Internal "Category I" metallurgical bonds Voidless hermetically sealed glass package JAN/TX/TXV military qualifications available per MILPRF-19500/552 by adding JAN, JANTX, or JANTXV prefix Further options for screening in accordance with MILPRF-19500 for JANS by using a "MSP" prefix, e.g. MSP6469, MSP6476, etc. Axial-leaded equivalents are also available (see separate data sheet for 1N6469 thru 1N6476) * * * * * * * * *
APPLICATIONS / BENEFITS
Military and other high reliability transient protection Extremely robust construction Working Peak "Standoff" Voltage (VWM) from 5.0 to 51.6 V Available as 1500 W Peak Pulse Power (PPP) ESD and EFT protection per IEC61000-4-2 and IEC61000-4-4 respectively Secondary lightning protection per select levels in IEC61000-4-5 Square-end-cap terminals for easy mounting Nonsensitive to ESD per MIL-STD-750 Method 1020 Inherently radiation hard as described in Microsemi MicroNote 050
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MAXIMUM RATINGS
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MECHANICAL AND PACKAGING
* CASE: Hermetically sealed voidless hard glass * Operating & Storage Temperature: -55 C to +175 C with Tungsten slugs * Peak Pulse Power at 25oC: 1500 Watts @ 10/1000 s * TERMINATIONS: Axial-leads are Tin/Lead (Sn/Pb) (also see Figures 1,2 and 4) over copper * Impulse repetition rate (duty factor): 0.01% * MARKING: Body painted and part number, etc. * Forward Surge Current: 130 Amps@ 8.33 ms one* POLARITY: Cathode band half sine wave * Tape & Reel option: Standard per EIA-481-B * Forward Voltage: 1.5 V @ 4 Amps dc and 4.8 V at 100 Amps (pulsed) * Weight: 1100 mg * Steady-State Power: 3.0 W @ TA = 25oC (see note * See package dimensions on last page below and Figure 4) * Thermal Resistance Junction to End Cap: 20.0 oC/W * Solder Temperatures: 260oC for 10 s (maximum) NOTE: Steady-state power ratings with reference to ambient are for PC boards where thermal resistance from mounting point to ambient is sufficiently controlled where TJ(MAX) is not exceeded.
1N6461 - 1N6468 1N6469 - 1N6476
Copyright 2004 11-01-2004 REV A
Microsemi
Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 1
1N6469US thru 1N6476US Voidless-Hermetically-Sealed Surface Mount Unidirectional Transient Suppressors
SCOTTSDALE DIVISION
ELECTRICAL CHARACTERISTICS
BREAK DOWN VOLTAGE V(BR) MIN. Volts 5.6 6.5 13.6 16.4 27.0 33.0 43.7 54.0 BREAKDOWN CURRENT I (BR) mAdc 50 50 10 10 5 1 1 1 WORKING PEAK VOLTAGE VWM Vdc 5 6 12 15 24 30.5 40.3 51.6 MAX LEAKAGE CURRENT ID Adc 500 100 20 10 5 5 5 5 MAXIMUM CLAMPING VOLTAGE VC MAXIMUM PEAK PULSE CURRENT IPP @8/20 s A(pk) 945 775 374 322 207 181 135 107 @10/1000 s A(pk) 167 137 66 57 36.5 32 24 19 MAXIMUM TEMP. COEF. OF V(BR) %/ C -.03, +0.04 0.06 0.085 0.085 .096 .098 .101 .103
o
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TYPE
@ 10/1000 s
V(pk) 9.0 11.0 22.6 26.5 41.4 47.5 63.5 78.5
1N6469US 1N6470US 1N6471US 1N6472US 1N6473US 1N6474US 1N6475US 1N6476US
Symbol
VBR VWM ID VC PPP
SYMBOLS & DEFINITIONS Definition
Minimum Breakdown Voltage: The minimum voltage the device will exhibit at a specified current. Working Peak Voltage: The maximum peak voltage that can be applied over the operating temperature range. This is also referred to as Standoff Voltage. Maximum Standoff Current: The maximum current that will flow at the specified voltage and temperature. Maximum clamping voltage at specified IPP (Peak Pulse Current) at the specified pulse conditions. Peak Pulse Power: The peak power dissipation resulting from the peak impulse current IPP.
GRAPHS
Pulse current (IP) in percent of IPP
Peak Value
IPP
1N6461 - 1N6468 1N6469 - 1N6476
Pulse time duration (tp) is defined as that point where IP decays to 50% of peak value (IPP).
FIG. 1 - Non-repetive peak pulse power rating curve NOTE: Peak power defined as peak voltage times peak current
time (t) in milliseconds FIG. 2 Pulse wave form for exponential surge for 10/1000 s
Copyright 2004 11-01-2004 REV A
Microsemi
Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 2
1N6469US thru 1N6476US Voidless-Hermetically-Sealed Surface Mount Unidirectional Transient Suppressors
SCOTTSDALE DIVISION
WWW . Microsemi .C OM
Peak Pulse Power (Ppp), Current (Ipp), and DC Power in Percent of 25oC Rating
FIGURE 3
8/20 s CURRENT IMPULSE WAVEFORM
T - Temperature - oC FIGURE 4
DERATING CURVE
PACKAGE DIMENSIONS Inches [mm]
1N6461 - 1N6468 1N6469 - 1N6476
G-MELF-PKG (D-5C)
Note: If mounting requires adhesive separate from the solder, an additional 0.090 inch diameter contact may be placed in the center between the pads as an optional spot for cement as shown in the pad layout.
Copyright 2004 11-01-2004 REV A
Microsemi
Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 3

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