Cal-Chip
F
EATURES
Electronics, Incorpor
at
ed
CZSF S
ERIES
Surface Mount Varistors -
Molded Chip Type Transient/Surge Absorber
• Compact package withstands high surge current
(up to 600A).
• Low clamping voltage for better surge protection.
• Excellent response against steep surge voltages.
• Both flow and reflow soldering applicable.
C
HARACTERISTICS
• Temperature coefficient of varistor voltage:
0~0.05%/°C (+25 to +85°C).
• Operating temperature range: -40~+85°C.
• Storage temperature range: -40~+125°C.
• Working voltage (max.): measured at 100µA leakage current.
L
8.0±0.5
W
6.2±0.4
H
3.2±0.3
P
1.3±0.3
Unit - mm
a
2.5±0.2
S
TANDARD
P
RODUCT
T
ABLE
Part Number
CZSF220KTR
CZSF270KTR
CZSF330KTR
CZSF390KTR
CZSF470KTR
CZSF560KTR
CZSF680KTR
CZSF820KTR
CZSF101KTR
CZSF121KTR
CZSF151KTR
CZSF201KTR
CZSF221KTR
CZSF241KTR
CZSF271KTR
CZSF361KTR
CZSF391KTR
CZSF431KTR
CZSF471KTR
AND
S
PECIFICATIONS
Breakdown Voltage
@ 1.0mA
20 ~ 25 V
24 ~ 30 V
30 ~ 36 V
35 ~ 43 V
42 ~ 52 V
50 ~ 62 V
61 ~ 75 V
74 ~ 90 V
90 ~ 110 V
108 ~ 132 V
135 ~ 165 V
185 ~ 225 V
198 ~ 242 V
216 ~ 264 V
247 ~ 303 V
324 ~ 396 V
351 ~ 429 V
387 ~ 473 V
423 ~ 517 V
Clamping Voltage
Max. @ 8/20 mS
43 V (2.5 A)
53 V (2.5 A)
65 V (2.5 A)
77 V (2.5 A)
93 V (2.5 A)
110 V (2.5 A)
135 V (2.5 A)
135 V (10 A)
165 V (10 A)
200 V (10 A)
250 V (10 A)
340 V (10 A)
360 V (10 A)
395 V (10 A)
455 V (10 A)
595 V (10 A)
650 V (10 A)
710 V (10 A)
775 V (10 A)
Peak Current (max)
8/20µS, 2 times
125 A
125 A
125 A
125 A
125 A
125 A
125 A
600 A
600 A
600 A
600 A
600 A
600 A
600 A
600 A
400 A
400 A
400 A
400 A
Transient Energy
Joules (max)
0.9
1.0
1.2
1.5
1.8
2.2
2.5
3.5
4.0
5.0
6.0
8.0
9.0
10.0
12.0
12.0
12.0
14.0
14.0
Typ. Capacitance
(pF) @ 1Khz
1700
1500
1200
1100
1000
850
725
500
420
330
230
140
135
120
105
85
65
75
55
Working VoItage (max)
ACrms
DC
14 V
18 V
17 V
22 V
20 V
25 V
30 V
35 V
40 V
50 V
60 V
75 V
95 V
130 V
140 V
150 V
175 V
230 V
250 V
275 V
300 V
26 V
31 V
38 V
45 V
56 V
65 V
85 V
100 V
125 V
170 V
180 V
200 V
225 V
300 V
320 V
350 V
385 V
O
RDERING
C
ODE
CZSF 471 K TR
Series
Breakdown Voltage,
First 2 digits are significant,
3rd digit is number of zeros
Tape & Reel
Tolerance
K = ±10%
123
Cal-Chip
Electronics,
In
c
or
porated
CZSF S
ERIES
Surface Mount Varistors - Molded Chip Type Transient/Surge Absorber
E
NVIRONMENTAL
C
HARACTERISTICS
• Standard Impulse Wave Form (8/20 µS)
B
REAKDOWN
V
OLTAGE
22 to 68 V
82 to 270 V
360 to 470 V
S
URGE
C
URRENT
18 Amps
50 Amps
40 Amps
• Surge Life - after 10,000 times continuous application of the surge impulse wave form shown above within the interval of 10
seconds at room temperature, breakdown voltage shall be within range specified.
• High temperature Load Life - after 1,000 hours at 85°C with application of the specified max. working voltage, breakdown volt-
age shall be within range specified.
• Humidity Load Life - after 1,000 hours at 40°C and 90 to 95% RH with application of the specified max. working voltage, break-
down voltage shall be within range specified.
1. Recommended Soldering Conditions
1.1 Flow soldering: 260°C (5 seconds max.)
1.2 Reflow soldering: 230°C (10 seconds max.)
2. Mounting
2.1 Pressure to the component at pick and place should be less than 9.8N.
2.2 The bottom of resin portion of component should be fixed to circuit board by adhesive.
T
APING
S
PECIFICATIONS
R
ECOMMENDED
L
AND
P
ATTERN
124
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