Multilayer Varistor for ESD pulse

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Gerard Houston
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1 Multilayer Varistor for SD pulse Series ZJZS Series ZJZR n Features l Multilayer monolithic ceramic construction l xcellent solderability and superior heat resistance l Large surge current and energy capabilities in withstanding small size. n Precautions for Handling see Page 112 to 118 n Packing method see Page 111, 182 l Series ZJZS, R l Multilayer varistor of Zinc oxide ceramic. suppresses the pulse noise(sd, burst-noise) and protects the equipment from the transient surge. l This Varistor is suitable for high-speed signal line due to small capacitance. l n xplanation of Part Numbers Z J Z S V 2 7 K (xample) Product Code (Multilayer Varistor) Design No. Series code ZnO S2 rray Type R 4 rray Type Packaging Style V Paper Taping Nomiral Varistor voltage The first digitits are significant figures and the third one denotes the number of zeros following. Capacitance Code D 27 pf max. P 33 pf max. S 39 pf max. T 43 pf max. 47 pf max. Design No. Nil Cap. Tolerance : max. K Cap. Tolerance : ± % M Cap. Tolerance : ±2 % n Construction [2 rray Type] Schematic Ceramic dielectric Terminal lectrode Inner lectrode [4 rray Type] Ceramic dielectric Schematic Terminal lectrode Inner lectrode Design and specifications are each subject to change without notice. sk factory for the current technical specifications before purchase and/or use.

2 n Dimmension in mm(not to scale) [2 rray Type] [4 rray Type] L L T T 1 1 Type Part Numbers L T 1 P 2 rray Type ZJZS ±.15 1.±.1.6±.6.36±..2±.1.64±. 4 rray Type ZJZR ± ±.15.85±..25±..2.5±.1 n Ratings and Characteristics Size Maximum Varistor Maximum Maximum Type Code Prat Numbers llowable Voltage Capacitance Peak Current SD (I) 1MH µs IC6-4-2 ZJZSV12J DC 6.7 V 12 V 22 pf max. 5 ZJZSV27R DC 16 V 27 V 2 pf max. 3 2 rray Type 54 ZJZSV27 DC 16 V 27 V 47 pf max. 5 ZJZSV8 DC 18 V 8 V 3 pf max. ÑÑÑ Contact Discharge ZJZSV171 DC 18 V 17 V 3 pf max. ÑÑÑ Voltage: 8 kv ZJZRV12J DC 6.7 V 12 V 22 pf max. 5 ir Gap Discharge ZJZRV27R DC 16 V 27 V 2 pf max. 3 Voltage:15 kv 4 rray Type 85 ZJZRV27 DC 16 V 27 V 47 pf max. 5 ZJZRV8 DC 18 V 8 V 3 pf max. ÑÑÑ ZJZRV171 DC 18 V 17 V 3 pf max. ÑÑÑ Size Maximum Varistor Maximum Maximum Type Code Prat Numbers llowable Voltage Capacitance Peak Current SD (I) 1MH µs IC6-4-2 P ZJZSV27D1 27 pf ZJZSV27P1 33 pf 2 rray Capacitance 54 ZJZSV27S1 DC 16 V 27 V 39 pf 5 Control Type ZJZSV27T1 43 pf ZJZSV pf l Operating Temperature Range: -4 to 85 C l 1:Capacitance Tolerance Code (K:± %, M:±2 %) n Typical Characteristics l Voltage vs. Current P (Unit:mm) Contact Discharge Voltage: 8 kv ir Gap Discharge Voltage:15 kv ZJZ1V171 Voltage (V) ZJZ1V8 ZJZ1V2711 ZJZ1V12J Current () Design and specifications are each subject to change without notice. sk factory for the current technical specifications before purchase and/or use.

3 n Frequency Characteristics ZJZ1V111 ZJZSV27DK ttenuation (d) ZJZ1V27R ZJZ1V27 ttenuation (d) ZJZSV27K ZJZSV27SK 5 ZJZ1V12J Frequency (MHz) Frequency (MHz) Design and specifications are each subject to change without notice. sk factory for the current technical specifications before purchase and/or use.

4 n Recommended pplications pplications xamples PC mother board Photoelectric sensor HDD Proximity sensor CD-ROM Pressure switch DSC Flowmeter Cellular teleptone, PHS SSR PD motor Series ZJZ Series ZJS Series Ultra low capacitance (3 pf max.) Low capacitance (2 to 33 pf) High capacitance (18 to 22 pf) Recommended pplications DC 1k 1M 1G (Hz) DC to some tens of GHz Power, Relay. signal line High frequency circuit (US,I1394,etc) DC to some tens of GHz Power, Relay. signal line High frequency circuit (RC232C,etc) DC to some hunderds of khz Power, Relay. udio signal n quivalent and Impules suppression Series ZJZ (Zn:Zinc Oxide) Series ZJS (ST:Strontium Titanate) Varistor Capacitance C:pF (ZJZ1V27G) C:.22 F (ZJS2V223) Inpules wave form Clamped wave form n Typical circuits requiring protection l US Interface Circuit US Power IC z3 TP+ TPz3 z3 Vcc D+ D- GDN Vcc D D- GDN l I1394 Interface Circuit I1394 Power IC z3, 2 Power Supply TP+ TP- l IC Protection l Motor or lectromagnetic surge absorption DC Power Line Signal Line 3 I/O Port udio Signal 3 Motor lectromagnetic valve (Solenoid) 1,2 Z1 : ZJZ Series(ZJZ@V171) Z2 : ZJZ Series Z3 : ZJZ Series or ZJS Series Design and specifications are each subject to change without notice. sk factory for the current technical specifications before purchase and/or use.

5 n Performance Characteristics l lectrical Characteristics Test Method Specifications Standard Test Condition Maximum allowable Voltage Varistor voltage Capacitance Maximum peak current Maximum SD Temperature coefficient Varistor Voltage Temperature coefficient capacitance Unless otherwise specified all test and measurements shall be made at a temperature of 15 to 35 C and at a relative humidity of 45 to 75 %RH. If results obtained are doubted a further test should be carried out at a temperature of 2± 2 C and a relative humidity of 6 to 7 %RH. The maximum DC voltage that can be applied continuously in the specified operating temperature. The voltage between two terminals with the specified measuring current Cm DC applied is called Vc or Vcm. The measurement shall be made as fast as possible to avoid heat affection. Capacitance shall be measured with the specified measuring frequency,.2 to 2. Vms., V bias and 2 C. The Maximum current within the varistor voltage change of ± % when a standard impulse current of 8/2 ms is applied two times with an interval of 5 minutes. The maximum SD within the varistor voltage change of ±3% when impressing times of SD (five times of positivenegatives for each polarity) which is based on IC6-4-2 Coefficient indicating dependency of V-I characteristics on temperature. This is shown by the change of Vcm per C at the ambient operating temperature. This is shown by the maximum capacitance change at the ambient operating temperature. ÑÑÑ To meet the specified value. ZJZ Series: ±.1 %/ C ZJS Series: ±.3 %/ C ZJZ Series: ±2 % ZJS Series: ± % l Mechanical requirements Characteristics Test Method Specifications Solderability Resistance to soldering heat fter securing the specimen by the body with tweezers and dipping in to the specified soldering flux, the specimen shall be completely immersed into a soldering bath having a temperature of 235±5 C for 4±1 seconds. nd then the specimen shall be visually examined. Use the specified soldering flux and solder following: Soldering Flux: thanol solution of rosin about 25 % by weight Solder: utectic solder (Sn 63 : Pb 37) fter preheating the specimen according to the following conditions in Table-1, the specimen shall be completely immersed into a soldering bath having a temperature of 27±5 C for 3±.5 seconds. nd then be stored at room temperature for 24±2 hours. Thereafter, the change of Vc and the mechanical damage shall be examined. Step Temperature Period 1 8 to ûc 3 to 36 s 2 15 to 2 ûc 3 to 36 s pproximately 75 % of the terminals shall be covered with new solder uniformly, No remarkable mechanical ÆVc/Vc < ± % Design and specifications are each subject to change without notice. sk factory for the current technical specifications before purchase and/or use.

6 n Performance Characteristics l nvironmental Characteristics Test Methods Specifications Temperature Cycle efore the measurement after test, the specimen shall be left to stand and mechanical damage shall be examined. Step Temperature Period Cycles 1 TL 3 min. 2 Room Temp. 15 min. 3 TU 3 min. 5 cycles 4 Room Temp. 15 min. TL : Lower operating temperature TU : Upper operating temperature To meet the specified value. Damp Heat Load llowable Voltage shall be applied continuously to the specimen at specified conditions for specified period and then stored at room temperature and normal humidity for 24±2 hours. Thereafter, the change of Vc and mechanical damage shall be examined. mbient condition :4±2 C, 9 to 95 %RH Period : 5+24 hours - No remarkable mechanical damage ÆVc/Vc < ± % High Temperature Load (Dry Heat Load) llowable Voltage shall be applied continuously to the specimen at specified conditions for specified period and then stored at room temperature and normal humidity for 24±2hours. Thereafter, the change of Vc and mechanical damage shall be examined. mbient temp. Period : Upper operating temperature : 5+24 hours - No remarkable mechanical damage ÆVc/Vc < ± % Design and specifications are each subject to change without notice. sk factory for the current technical specifications before purchase and/or use.

7 n Packaging Specifications l Standard Packing Quantity Series (I) Thickness Paper taping mbossed taping 21.3 mm Pitch: 2 mm 15, pcs./reel Ñ 42.5 mm Pitch: 2 mm, pcs./reel Ñ ZJZ 63.8 mm Pitch: 4 mm 14, pcs./reel Ñ 2 rray Type.6 mm Pitch: 4 mm 14, pcs./reel Ñ 4 rray Type.85 mm Pitch: 4 mm 14, pcs./reel Ñ 63.8 mm Pitch: 4 mm 14, pcs./reel Ñ ZJS.8 mm Pitch: 4 mm 15, pcs./reel Ñ mm Ñ Pitch: 4 mm 2, pcs./reel l Paper Taping P 1 : 2mm l Reel t1 Feeding hole fd Chip pocket 1 F C t2 Chip component P1 P2 P Tape running direction Symbol F P 1 P 2 P fd t 1 t ±.3 ± max. max. ±.2 ±.5 ±. ±.5 ±.5 ± ±.5 ±.5 max. max. (Unit: mm) D 2 P 1 : 4mm t1 Feeding hole fd Chip pocket F Symbol C D 1 2 Dim. f18 Ð1 f6.±.5 13.±.5 21.±.8 2.±.5 9.± ±1. (mm) t2 Symbol rray Type 54 2 rray Type Chip component P1 P2 P Tape running direction F P 1 P 2 P fd t 1 t ± ±.2 1. ± ±. 2.4 ± ±.1 (Unit: mm) ±.2 ±.5 ±. ±.1 ±.5 ± max. max. l Leader Part and Taped nd Tape end 16 min. Vacant position l mbossed Taping t1 Feeding hole fd Chip pocket Leader part t2 Symbol 85 Chip component P1 P2 P F Tape running direction (Unit: mm) F P 1 P 2 P fd t 1 t ±.2 ±.2 ±.2 ±.5 ±. ±.1 ±.5 ± max. max. min. Vacant position 4 min. Unit : mm Design and specifications are each subject to change without notice. sk factory for the current technical specifications before purchase and/or use.

Multilayer Varistor for ESD pulse,burst pulse

Multilayer Varistor for ESD pulse,burst pulse Series EZJZ : For high speed signal line (ZnO:Zinc Oxide) (Small capacitance) Series EZJS : For Power line (ST:Strontium Titanate) (High capacitance) series