Silicon Avalanche Diodes - Littelfuse
Description
Silicon Avalanche Diodes
1500 Watt Metal Axial Leaded Transient Voltage Suppressors
1N56 Series
FEATURES
• Hermetically sealed • Breakdown voltage range 6.
8 - 200 volts • Glass passivated junction • Excellent clamping capability • Low zener impedance •100% surge tested •-55°C to +150°C •Uni-polar
®
6
SILICON DIODE ARRAYS
Min 31.
8 Max 5.
33 7.
5 9.
0 Min 25.
4 Max 0.
8 5.
58
MAXIMUM RATING
•Peak Pulse Power (Ppk): 1500 Watts (10 x 1000µs)@25°C
(see diagram on page 3 for wave form)
•1 watt steady state •Response time: 1 x 10-12 seconds (theoretical) •Operating & storage temperature: -55°C to +150°C
MECHANICAL CHARACTERISTICS
•Case: Metal hermetically sealed DO-13 package •Terminals: Axial leads, solderable per MIL-STD-202
Method 208
•Solderable leads = 230°C for 10 seconds (1.
59mm from case) •Polarity: cathode indicated by colour band •Weight: 1.
5 grammes (approx)
Agency Approvals: Recognized under the Components
Program of Underwriters Laboratories.
Agency File Number: E128662 ORDERING INFORMATION
1N 56 X X A
All dimensions in mm
Voltage Reference 5% Voltage Tolerance Packaging Option B = Bulk (500 pcs)
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DataSheet4U.
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Silicon Avalanche Diodes
1500 Watt Metal Axial Leaded Transient Voltage Suppressors
1N56 Series
®
100
100%
Peak Pulse Power - Pp (kW)
Exponential wave-form 10 Square wave-pulse 1
50%
Permissable area of operation
0
0 °C
50 °C
100°C Tamb °C
150°C
200 °C
0.
1 100ns
1µs
10 µs
100µs
1ms
10ms
Pulse Time (tp)
Figure 3 - Peak Pulse Power vs.
Pulse Time
Figure 1 - Peak Power Derating Curve Peak pulse power in percent of 25ºC rating
20,000
W 1.
0
10,000 6000 4000 2000 1000 800 600 400
Measured @ Zero Bias
0.
75
0.
50
Permissable area of operation
Cj (pf)
200 100 80 60 40
0.
25
Measured at Stand-Off Voltage (VR)
0
0°C
50°C
100°C Tamb °C
150°C
200°C
30 10
Figure 2 - Continuous D.
C.
Power Derating CurveContinuous d.
c.
power dissipation
1.
0 2
5 10 20 50 100 200
Reverse Voltage, V...
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