Silicon Avalanche Diodes
313
www.littelfuse.com
6
SILICON DIODE
ARRAYS
1500 Watt Metal Axial Leaded Transient Voltage Suppressors
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
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
1N56 Series
1N 56 X X A
Voltage Reference
5% Voltage Tolerance
Packaging Option
B = Bulk (500 pcs)
ORDERING INFORMATION
Min 31.8
Max
5.33
7.5
9.0
Min 25.4
Max
0.8
5.58
All dimensions in mm
®
Silicon Avalanche Diodes
314 www.littelfuse.com
100
10
1
0.1
1µs10µs 100µ1ms 10ms
Pulse Time (tp)
Peak Pulse Power - Pp (kW)
Exponential wave-form
Square wave-pulse
s
100ns
Figure 3 - Peak Pulse Power vs. Pulse Time
0°C50°C 100°C150°C 200°C
Tam b °C
100%
50%
0
Permissable
area of
operation
0°C50°C 100°C150°C 200°C
Ta m b °C
W
1.0
0.75
0.50
0.25
0
Permissable
area of
operation
Figure 2 - Continuous D.C. Power Derating
CurveContinuous d.c. power dissipation
Figure 1 - Peak Power Derating Curve
Peak pulse power in percent of 25ºC rating
Measured @
Zero Bias
Measured at
Stand-Off
Voltage (VR)
Reverse Voltage, Volts V(BR)
Cj (pf)
1.0 2 5 10 20 50 100 200
20,000
10,000
6000
4000
2000
1000
800
600
400
200
100
80
60
40
30
10
Figure 4 - Typical Junction Capacitance
1500 Watt Metal Axial Leaded Transient Voltage Suppressors
1N56 Series
®
Silicon Avalanche Diodes
315
www.littelfuse.com
6
SILICON DIODE
ARRAYS
1500 Watt Metal Axial Leaded Transient Voltage Suppressors
1N5629*
1N5629A*
1N5630
1N5630A
1N5631
1N5631A
1N5632
1N5632A
1N5633
1N5633A
1N5634
1N5634A
1N5635
1N5635A
1N5636
1N5636A
1N5637*
1N5637A*
1N5638*
1N5638A*
1N5639*
1N5639A*
1N5640
1N5640A
1N5641
1N5641A
1N5642
1N5642A
1N5643*
1N5643A*
1N5644*
1N5644A
1N5645
1N5645A
1N5646*
1N5646A*
Part
Number
Reverse
Stand Off
Voltage
VR
(Volts)
5.50
5.80
6.05
6.40
6.63
7.02
7.37
7.78
8.10
8.55
8.92
9.40
9.72
10.20
10.50
11.10
12.10
12.80
12.90
13.60
14.50
15.30
16.20
17.10
17.80
18.80
19.40
20.50
21.80
23.10
24.30
25.60
26.80
28.20
29.10
30.80
Breakdown
Voltage
VBR (Volts) @ IT
MIN
6.12
6.45
6.75
7.13
7.38
7.79
8.19
8.65
9.00
9.50
9.90
10.50
10.80
11.40
11.70
12.40
13.50
14.30
14.40
15.20
16.20
17.10
18.00
19.00
19.80
20.90
21.60
22.80
24.30
25.70
27.00
28.50
29.70
31.40
32.40
34.20
MAX
7.48
7.14
8.25
7.88
9.02
8.61
10.00
9.55
11.00
10.50
12.10
11.60
13.20
12.60
14.30
13.70
16.50
15.80
17.60
16.80
19.80
18.90
22.00
21.00
24.20
23.10
26.40
25.20
29.70
28.40
33.00
31.50
36.30
34.70
39.60
37.80
(mA)
10
10
10
10
10
10
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Maximum
Reverse
Leakage
IR@ VR
(µA)
1000.0
1000.0
500.0
500.0
200.0
200.0
50.0
50.0
10.0
10.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Maximum
Clamping
Voltage
VC@ IPP
(Volts)
10.8
10.5
11.7
11.3
12.5
12.1
13.8
13.4
15.0
14.5
16.2
15.6
17.3
16.7
19.0
18.2
22.0
21.2
23.5
22.5
26.5
25.2
29.1
27.7
31.9
30.6
34.7
33.2
39.1
37.5
43.5
41.4
47.7
45.7
52.0
49.9
Maximum
Peak Pulse
Current
IPP
(A)
139.0
143.0
128.0
132.0
120.0
124.0
109.0
112.0
100.0
103.0
93.0
96.0
87.0
90.0
79.0
82.0
68.0
71.0
64.0
67.0
56.5
59.5
51.5
54.0
47.0
49.0
43.0
45.0
38.5
40.0
34.5
36.0
31.5
33.0
29.0
30.0
Suffix ‘A’ denotes 5% tolerance device, no suffix denotes a 10% tolerance device.
1N5629 to 1N5647A VFmax = 3.5V at IF= 50A 300 µS square wave pulse.
1N5648 to 1N5665A VFmax = 5.0V at IF= 50A 300 µS square wave pulse.
* Preferred voltages.
Max
Voltage
Temperature
Variation
of VBR (mV/°C)
5.0
5.0
5.0
5.0
6.0
6.0
7.0
7.0
8.0
8.0
9.0
9.0
10.0
10.0
11.0
11.0
13.0
12.0
16.0
14.0
17.0
19.0
20.0
19.0
21.0
20.0
25.0
23.0
28.0
25.0
31.0
28.0
31.0
30.0
35.0
31.0
1N56 Series
ELECTRICAL SPECIFICATION @ Tamb 25°C
®
Silicon Avalanche Diodes
316 www.littelfuse.com
1N5647
1N5647A
1N5648
1N5648A
1N5649*
1N5649A*
1N5650
1N5650A
1N5651
1N5651A
1N5652
1N5652A
1N5653
1N5653A
1N5654
1N5654A
1N5655*
1N5655A*
1N5656*
1N5656A*
1N5657
1N5657A
1N5658
1N5658A
1N5659
1N5659A
1N5660*
1N5660A*
1N5661
1N5661A
1N5662
1N5662A
1N5663
1N5663A
1N5664
1N5664A
1N5665
1N5665A
Part
Number
Reverse
Stand Off
Voltage
VR
(Volts)
31.60
33.30
34.80
36.80
38.10
40.20
41.30
43.60
45.4
47.8
50.2
53.0
55.1
58.1
60.7
64.1
66.4
70.1
73.7
77.8
81.0
85.5
89.2
94.0
97.2
102.0
105.0
111.0
121.0
128.0
130.0
136.0
138.0
145.0
146.0
154.0
162.0
171.0
Breakdown
Voltage
VBR (Volts) @ IT
MIN
35.10
37.10
38.70
40.90
42.30
44.70
45.90
48.50
50.4
53.2
55.8
58.9
61.2
64.6
67.5
71.3
73.8
77.9
81.9
86.5
90.0
95.0
99.0
105.0
108.0
114.0
117.0
124.0
135.0
143.0
144.0
152.0
153.0
162.0
162.0
171.0
180.0
190.0
MAX
42.90
41.00
47.30
45.20
51.70
49.40
56.10
53.60
61.6
58.8
68.2
65.1
74.8
71.4
82.5
78.8
90.2
86.1
100.0
95.5
110.0
105.0
121.0
116.0
132.0
126.0
143.0
137.0
165.0
158.0
176.0
168.0
187.0
179.0
198.0
189.0
220.0
210.0
(mA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Maximum
Reverse
Leakage
IR@ VR
(µA)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Maximum
Clamping
Voltage
VC@ IPP
(Volts)
56.4
53.9
61.9
59.3
67.8
64.8
73.5
70.1
80.5
77.0
89.0
85.0
98.0
92.0
108.0
103.0
118.0
113.0
131.0
125.0
144.0
137.0
158.0
152.0
173.0
165.0
187.0
179.0
215.0
207.0
230.0
219.0
244.0
234.0
258.0
246.0
287.0
274.0
Maximum
Peak Pulse
Current
IPP
(A)
26.5
28.0
24.0
25.3
22.2
23.2
20.4
21.4
18.6
19.5
16.9
17.7
15.3
16.3
13.9
14.6
12.7
13.3
11.4
12.0
10.4
11.0
9.5
9.9
8.7
9.1
8.0
8.4
7.0
7.2
6.5
6.8
6.2
6.4
5.8
6.1
5.2
5.5
Max
Voltage
Temperature
Variation
of VBR (mV/°C)
39.0
36.0
46.0
44.0
50.0
48.0
55.0
51.0
58.0
56.0
65.0
62.0
71.0
69.0
80.0
76.0
90.0
86.0
99.0
94.0
109.0
104.0
120.0
115.0
131.0
125.0
142.0
136.0
164.0
157.0
175.0
167.0
186.0
188.0
197.0
188.0
219.0
209.0
Suffix ‘A’ denotes 5% tolerance device, no suffix denotes a 10% tolerance device.
1N5629 to 1N5647A VFmax = 3.5V at IF= 50A 300 µS square wave pulse.
1N5648 to 1N5665A VFmax = 5.0V at IF= 50A 300 µS square wave pulse.
* Preferred voltages.
1N56 Series
ELECTRICAL SPECIFICATION @ Tamb 25°C
1500 Watt Metal Axial Leaded Transient Voltage Suppressors
®
