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Mechanically and wavelength matched to the TO-18 series phototransistor
Hermetically sealed package
High irradiance level
(*) indicates JEDEC registered values
1N6266 Typical Application
1N6266 Datasheet
1N6267 General Description
The Transient Voltage Suppressor (TVS) series for 1N5908 & 1N6267-1N6303A are JEDEC registered selections for unidirectional devices. The popular series of 1.5KE6.8-1.5KE400A offers similar voltages with an extended voltage range and also provides bidirectional options with a C or CA suffix. All have the same high Peak Pulse Power rating of 1500 W and extremely fast response time. They can protect from secondary lightning effects per IEC61000-4-5 and class levels described herein as well as inductive switching environments and induced RF protection. Since their response time is virtually instantaneous, they can also protect from ESD and EFT per IEC61000-4-2 and IEC61000-4-4.
1N6267 Features
• Economical TVS series for thru-hole mounting • Available in both Unidirectional and Bidirectional (add C or CA suffix for bi-directional) • Voltages from 6.8 to 400 V Breakdown (VBR) • Suppresses transients up to 1500 watts @ 10/1000 µs (see Figure 1) • Fast response • Options for screening in accordance with MIL-PRF- 19500 for JAN, JANTX, JANTXV, and JANS are available by adding MQ, MX, MV, or MSP prefixes respectively to part numbers. • Surface mount equivalent packages are available as SMCJ5.0 - SMCJ170CA or SMCG5.0 - SMCG170CA (consult factory for other surface mount options) • Moisture classification is Level 1 with no dry pack required per IPC/JEDEC J-STD-020B
1N6267 Typical Application
• Protection from switching transients and induced RF • Protection from ESD and EFT per IEC 61000-4-2 and IEC 61000-4-4 • Secondary lightning protection per IEC61000-4-5 with 42 Ohms source impedance: Class 1: 1.5KE6.8A to 1.5KE200A or CA * Class 2: 1.5KE5.0A to 1.5KE180A or CA * Class 3: 1.5KE5.0A to 1.5KE91A or CA * Class 4: 1.5KE5.0A to 1.5KE43A or CA * • Secondary lightning protection per IEC61000-4-5 with 12 Ohms source impedance: Class 1 : 1.5KE5.0A to 1.5KE110A or CA * Class 2: 1.5KE5.0A to 1.5KE56A or CA * Class 3: 1.5KE5.0A to 1.5KE27A or CA * Class 4: 1.5KE5.0A to 1.5KE13A or CA * • Secondary lightning protection per IEC61000-4-5 with 2 Ohms source impedance: Class 2: 1.5KE5.0A to 1.5KE24A or CA * Class 3: 1.5KE5.0 to 1.5KE12A or CA * * Also applies to 1N5908 and 1Nxxxx of same voltage
Peak power dissipation with a 10/1000s waveform(1) (Fig. 1)
PPPM
1500
W
Peak pulse current wih a 10/1000s waveform(1)
IPPM
See Next Table
A
Steady state power dissipation at TL = 75, lead lengths 0.375" (9.5mm)(2)
PM(AV)
6.5
W
Peak forward surge current, 8.3ms single half sine-wave unidirectional only(3)
IFSM
200
A
Maximum instantaneous forward voltage at 100Afor unidirectional only(4)
VF
3.5/5.0
V
Typical thermal resistance junction-to-lead
RJL
20
/W
Typical thermal resistance junction-to-ambient
RJA
75
/W
Operating and Storage Temperature Range
TJ,TSTG
-55 to +175
Notes:(1) Non-repetitive current pulse, per Fig.3 and derated above TA= 25 per Fig. (2) Mounted on copper pad area of 1.6 x 1.6" (40 x 40mm) per Fig. (3) Measured on 8.3ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum (4) VF= 3.5V for 1.5KE220(A) & below; V F= 5.0V for 1.5KE250(A) & above
1N6267A Features
`Underwriters Laboratory Recognition under ULstandard ange for safety 497B: Isolated Loop Circuit Protection ` Glass passivated junction ` 1500W peak pulse power capabililty on 10/000s waveform, repetition rate (duty cycle): 0.05% ` Excellent clamping capability ` Low incremental surge resistance ` Very fast response time ` Includes 1N6267 thru 1N6303A