MAX-277 MDE | Alldatasheet
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Technical content
MDE Semiconductor, Inc. 78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel : 760-564-8656 • Fax : 760-564-2414 1-800-831-4881 Email: sales@mdesemiconductor.com Web: www.mdesemiconductor.com MAXPak ™ Series MAX-277 HIGH CURRENT TRANSIENT VOLTAGE SUPPRESSOR
FEATURES
- UL 1449 Recognition
- 6.5KA Surge Capability @ 8 x 20 µsec waveform (per IEC- 61000-4-5)
- Peak Power Dissipation 288KW
- Bi-directional
- Excellent clamping capability
- Repetition rate (duty cycle): 0.05%
- Sharp breakdown voltage
- Low incremental surge resistance
- Fast response time: typically less than 1.0 µs from 0 Volts to BV
- Operation temperatur e: -40°C to +125°C
- Epoxy encapsulated package has Underwriters Laboratory Flammability Classification 94 V-0 MECHANICAL DATA Terminal: Ag Plated Axial leads, solderable per MIL-STD-750. Method 2026 Mounting Position: A n y Weight: 0.328 ± 0.033 ounces (9.300 ± 0.930 g) MAXIMUM RATINGS AND CHARACTERISTICS Ratings at 25º C ambient temperature unless otherwise specified. RATING SYMBOL VALUE UNITS Reversed Standoff Voltage Vrwm 241 Volt Breakdown Voltage @ IT=1.0mA Vbr 277 ± 5% Volt Clamping Voltage @ 434.3A / 10x1000 µsec waveform Vc 368.4 max Volt Reverse Leakage @ 241V IR 20 µ max A MAX-277
Rating and Characteristic Curves MDE Semiconductor, Inc. 78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel : 760-564-8656 • Fax : 760-564-2414 1-800-831-4881 Email: sales@mdesemiconductor.com Web: www.mdesemiconductor.com MAXPak™ 277 Series 3.0 4.0 150 1.0 2.0 tr = 10μsec. Peak Value IPPM TJ = 25°C Pulse Width(td)is defined as the point where the peak current decays to 50% of I PPM 10/1000μsec.Waveform as defined by R.E.A. td Fig.3 - Pulse Waveform 4.0 Half Value- IPPM 100 IPPM - Peak Pulse Current,% IRSM 3.00 t - Time(ms) 12.5 37.5 62.5 87.5 100 0 25 50 75 100 125 150 175 200 Fig.2 - Pulse Derating Curve Peak Pulse Power (PPP) or Current (IPP) Derating in TA - Ambient Temperature (°C) 10000 0.1 100 1000 1,000 10,000 td PULSE WIDTH 1 µsec FIG. 1 PEAK PULSE POWER RATING 1 10 100 Non-repetitive pulse waveform shown in Fig. 3TA= 25ºC 100,000 Pppm 1 PEAK PULSE POWER 1 KW 7/28/2009