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1.5KE440 Datasheet دیتاشیت PDF دانلود

دیتاشیت - Vishay - (1.5KE Series) Transient Voltage Suppressors

شماره قطعه 1.5KE440
شرح مفصل (1.5KE Series) Transient Voltage Suppressors
تولید کننده Vishay 
آرم Vishay 


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1.5KE440 شرح
1.5KE Series and 1N6267 thru 1N6303A
Vishay Semiconductors
formerly General Semiconductor
TRANSZORB® Transient Voltage Suppressors
Case Style 1.5KE
Extended V(BR) Unidirectional 6.8 to 540V
ange V(BR) Bidirectional 6.8 to 440V
Peak Pulse Power 1500W
Voltage RFeatures
• Underwriters Laboratory Recognition under UL standard
for safety 497B: Isolated Loop Circuit Protection
• Glass passivated junction
1.0 (25.4)
• 1500W peak pulse power capabililty on 10/1000µs
waveform, repetition rate (duty cycle): 0.05%
MIN. • Excellent clamping capability
0.210 (5.3)
0.190 (4.8)
DIA.
• Low incremental surge resistance
• Very fast response time
• Includes 1N6267 thru 1N6303A
0.375 (9.5)
0.285 (7.2)
Mechanical Data
Case: Molded plastic body over passivated junction
Dimensions in inches
and (millimeters)
1.0 (25.4)
MIN.
Terminals: Plated axial leads, solderable per
MIL-STD-750, Method 2026
High temperature soldering guaranteed: 265°C/10 seconds,
0.375" (9.5mm) lead length, 5lbs. (2.3 kg) tension
Polarity: For unidirectional types the color band denotes
the cathode, which is positive with respect to the anode
under normal TVS operation
0.042 (1.07)
0.038 (0.96)
Mounting Position: Any Weight: 0.045 oz., 1.2 g
Flammability: Epoxy is rated UL 94V-0
DIA.
Devices for Bidirectional Applications
Packaging Codes – Options (Antistatic):
51 – 1K per Bulk box, 10K/carton
54 – 1.4K per 13" paper Reel
(52mm horiz. tape), 4.2K/carton
73 – 1K per horiz. tape & Ammo box, 10K/carton
For bi-directional, use C or CA suffix for types 1.5KE6.8 thru types 1.5KE440
(e.g. 1.5KE6.8C, 1.5KE440CA). Electrical characteristics apply in both directions.
Maximum Ratings and Characteristics (TA = 25°C unless otherwise noted)
Parameter
Symbol
Limit
Peak power dissipation with a 10/1000µs waveform(1) (Fig. 1)
Peak pulse current wih a 10/1000µs waveform(1)
PPPM
IPPM
1500
See Next Table
Steady state power dissipation
at TL = 75OC, lead lengths 0.375” (9.5mm)(2)
PM(AV)
6.5
Peak forward surge current, 8.3ms
single half sine-wave unidirectional only(3)
IFSM
200
Maximum instantaneous forward voltage
at 100A for unidirectional only(4)
VF 3.5/5.0
Typical thermal resistance junction-to-lead
RθJL
20
Typical thermal resistance junction-to-ambient
RθJA
75
Operating junction and storage temperature range
TJ, TSTG
–55 to +175
Unit
W
A
W
A
V
°C/W
°C/W
OC
Notes: (1) Non-repetitive current pulse, per Fig.3 and derated above TA = 25°C per Fig. 2
(2) Mounted on copper pad area of 1.6 x 1.6” (40 x 40mm) per Fig. 5
(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; VF = 5.0V for 1.5KE250(A) & above
Document Number 88301
30-Oct-02
www.vishay.com
1
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