Varistor Products Radial Lead Varistors > ZA Series

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1 Description The of transient voltage surge suppressors are radial leaded varistors (MOVs) designed for use in the protection of low and medium-voltage circuits and systems. Typical applications include motor control, telecom, automotive systems, solenoid, and power supply circuits to protect circuit board components and maintain data integrity. These devices are available in five model sizes: mm, 7mm, mm, 4mm and 0mm, and feature a wide V DC voltage range of.v to 6V. Agency Approvals Agency Agency File Number See Device Ratings and Specifications Table for part number and brand information. Features 3, (+ 306 for selected parts) Lead free and RoHS compliant option available. lease see the device and ratings specifications table for more information. Wide operating voltage range V M(AC)RMS 4V to 460V DC voltage ratings.v to 6V model sizes available:, 7,, 4, and 0mm Radial lead package for hard-wired or printed circuit board designs Available in tape and reel or bulk pack Standard lead form options No derating up to 8ºC ambient Absolute Maximum Ratings For ratings of individual members of a series, see Device Ratings and Specifications chart Continuous Units Steady State Applied Voltage: AC Voltage Range (V M(AC)RMS ) 4 to 460 V DC Voltage Range (V M(DC) ). to 6 V Transients: eak ulse Current (I TM ) For 8/0μs Current Wave (See Figure ) to 6 A Single ulse nergy Range (Note ) For /00μs Current Wave (W TM ) 0. to J Operating Ambient Temperature Range (T A ) - to +8 ºC Storage Temperature Range (T STG ) - to + ºC Temperature Coefficient (a V ) of Clamping Voltage (V C ) at Specified Test Current <0.0 %/ºC Hi-ot ncapsulation (COATING Isolation Voltage Capability) (Dielectric must withstand indicated DC voltage for one minute per MIL STD 0, Method 30) V COATING Insulation Resistance 00 MΩ CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. 0 Littelfuse, Inc. 33 Revision: March 8, 0

2 Ratings & Specifications Lead free and RoHS Compliant Models art Number art Number Standard Models Model Size Disc Dia. (mm) Maximum Rating (8 C) Continuous Transient V RMS V DC nergy x 00μs eak Current 8 x 0μs V M(AC) V M(DC) W TM I TM Specifications ( C) Varistor Voltage at ma DC Test Current V NOM V NOM Maximum Clamping Voltage 8 x 0μs Typical Capacitance f = MHz V C I K C Branding Branding Min Max (V) (V) (J) (A) (V) (V) (V) (A) (pf) V8ZA0 Z08 V8ZA0 Z V8ZA 08Z V8ZA 08Z V8ZA 08Z V8ZA 08Z VZA0 Z VZA0 Z VZA Z VZA Z VZA Z VZA Z V8ZA0 Z8 V8ZA0 Z V8ZA 8Z V8ZA 8Z V8ZA 8Z V8ZA 8Z V8ZA3 8Z3 V8ZA3 8Z V8ZA40 8Z40 V8ZA40 8Z (Note) (Note 3) VZA0 Z VZA0 Z VZA Z VZA Z VZA Z VZA Z VZA3 Z3 VZA3 Z V4ZA 4Z V4ZA 4Z (Note 4) 0 (Note ) (Note 3) V7ZA0 Z7 V7ZA0 Z V7ZA 7Z V7ZA 7Z V7ZA 7Z V7ZA 7Z V7ZA4 7Z4 V7ZA4 7Z V7ZA60 7Z60 V7ZA60 7Z (Note ) (Note 3) V33ZA0 Z33 V33ZA0 Z V33ZA 33Z V33ZA 33Z V33ZA 33Z V33ZA 33Z V33ZA 33Z V33ZA 33Z V33ZA70 33Z70 V33ZA70 33Z V36ZA80 36Z80 V36ZA80 36Z (Note ) 60 (Note ) (Note 3) 3 (Note 3) V39ZA0 Z39 V39ZA0 Z V39ZA 39Z V39ZA 39Z V39ZA3 39Z3 V39ZA3 39Z V39ZA6 39Z6 V39ZA6 39Z V39ZA0 39Z0 V39ZA0 39Z V47ZA0 Z47 V47ZA0 Z V47ZA 47Z V47ZA 47Z V47ZA3 47Z3 V47ZA3 47Z V47ZA7 47Z7 V47ZA7 47Z V47ZA0 47Z0 V47ZA0 47Z V6ZA0 Z6 V6ZA0 Z V6ZA 6Z V6ZA 6Z V6ZA3 6Z3 V6ZA3 6Z V6ZA8 6Z8 V6ZA8 6Z V6ZA0 6Z0 V6ZA0 6Z V68ZA0 Z68 V68ZA0 Z V68ZA 68Z V68ZA 68Z Revision: March 8, 0 0 Littelfuse, Inc.

3 Ratings & Specifications (Continued...) Lead free and RoHS Compliant Models art Number art Number Standard Models Model Size Disc Dia. (mm) Maximum Rating (8 C) Continuous Transient V RMS V DC nergy x 00μs eak Current 8 x 0μs V M(AC) V M(DC) W TM I TM Specifications ( C) Varistor Voltage at ma DC Test Current V NOM V NOM Maximum Clamping Voltage 8 x 0μs Typical Capacitance f = MHz V C I K C Branding Branding Min Max (V) (V) (J) (A) (V) (V) (V) (A) (pf) V68ZA3 68Z3 V68ZA3 68Z V68ZA 68Z V68ZA 68Z V68ZA0 68Z0 V68ZA0 68Z V8ZA0 Z8 V8ZA0 Z V8ZA 8Z V8ZA 8Z V8ZA4 8Z4 V8ZA4 8Z V8ZA 8Z V8ZA 8Z V8ZA0 8Z0 V8ZA0 8Z V0ZA0 Z0 V0ZA0 Z V0ZA3 0Z V0ZA3 0Z V0ZA4 0Z4 V0ZA4 0Z V0ZA 0Z V0ZA 0Z V0ZA0 0Z0 V0ZA0 0Z V0ZA0 Z0 V0ZA0 Z V0ZA 0Z V0ZA 0Z V0ZA4 0Z4 V0ZA4 0Z V0ZA6 0Z6 V0ZA6 0Z V0ZA0 0Z0 V0ZA0 0Z VZA0 Z VZA0 Z VZA Z0 VZA Z VZA4 Z4 VZA4 Z VZA8 Z8 VZA8 Z VZA0 Z0 VZA0 Z V80ZA0 Z80 V80ZA0 Z V80ZA 80Z V80ZA 80Z V80ZA 80Z V80ZA 80Z V80ZA 80Z V80ZA 80Z V80ZA0 80Z0 V80ZA0 80Z V0ZA0 Z0 V0ZA0 Z V0ZA0 Z0 V0ZA0 Z V40ZA0 Z40 V40ZA0 Z V70ZA0 Z70 V70ZA0 Z V330ZA0 Z330 V330ZA0 Z V360ZA0 Z360 V360ZA0 Z V390ZA0 Z390 V390ZA0 Z V430ZA0 Z430 V430ZA0 Z V470ZA0 Z470 V470ZA0 Z V60ZA0 Z60 V60ZA0 Z V680ZA0 Z680 V680ZA0 Z V7ZA0 Z7 V7ZA0 Z V7ZA0 Z7 V7ZA0 Z Note:. Average power dissipation of transients not to exceed 0.W, 0.W, 0.4W, 0.6W or W for model sizes mm, 7mm, mm, 4mm and 0mm, respectively.. nergy rating for impulse duration of 30ms minimum to one half of peak current (auto Load Dump). 3. ma DC test current. 4. Also rated to withstand 4V for minutes.. Higher voltages available, contact Littelfuse. 6. Capacitance Values shown are TYICAL. Also Recognized to UL 449, Transient Voltage Surge Suppressors File Littelfuse, Inc. 3 Revision: March 8, 0

4 ower Dissipation Ratings eak ulse Current Test Waveform RCNT OF RATD VALU AMBINT TMRATUR ( o C) Figure Figure RCNT OF AK VALU 0 90 T O TT TIM Should transients occur in rapid succession, the average power dissipation required is simply the energy (watt-seconds) per pulse times the number of pulses per second. The power so developed must be within the specifications shown on the Device Ratings and Specifications Table for the specific device. Furthermore, the operating values need to be derated at high temperatures as shown in the diagram above. Because varistors can only dissipate a relatively small amount of average power they are, therefore, not suitable for repetitive applications that involve substantial amounts of average power dissipation. 0 = Virtual Origin of Wave T = Time from % to 90% of eak T = Rise Time =. x T T = Decay Time xample - For an 8/0 μs Current Waveform: 8μs = T = Rise Time 0μs = T = Decay Time Maximum Clamping Voltage for mm arts V8ZA0() - V68ZA0() MAX CLAMING VOLTAG MODL SIZ mm 8 TO 68V N(DC) RATING T A = - o C TO 8 o C 0 90 V68ZA0() V6ZA0() 60 V47ZA0() V39ZA0() 40 V33ZA0() V7ZA0() 30 VZA0() V8ZA0() 0 VZA0() -3 V8ZA0() V360ZA0() - V7ZA0() Figure 3 Figure 4 V8ZA0() - V33ZA0() V330ZA0() V70ZA0() V40ZA0() V0ZA0() V0ZA0() V80ZA0() VZA0() V0ZA0() MAX CLAMING VOLTAG MODL SIZ mm 8 TO 330V N(DC) RATING T A = - o C TO 8 o C V0ZA0() V8ZA0() V7ZA0() V7ZA0() V680ZA0() V60ZA0() V470ZA0() V430ZA0() V390ZA0() V360ZA0() MAX CLAMING VOLTAG MODL SIZ mm 360 TO 7V N(DC) RATING T A = - o C TO 8 o C Figure Revision: March 8, 0 0 Littelfuse, Inc.

5 Maximum Clamping Voltage for 7mm arts V8ZA() - V68ZA() V8ZA() - V80ZA() 00 MODL SIZ 7mm 8 TO 68V N(DC) RATING T A = - o C TO 8 o C V68ZA() 70 V6ZA() 60 V47ZA() V39ZA() 40 V33ZA() V7ZA() 30 VZA() V8ZA() 0 VZA() 4,000 3,000,000, MODL SIZ 7mm 8 TO 80V N(DC) RATING T A = - o C TO 8 o C V80ZA() VZA() V0ZA() V0ZA3() V8ZA() V8ZA() Figure 6 Figure Maximum Clamping Voltage for mm arts V8ZA() - V68ZA3() V8ZA4() - V80ZA() 00 MODL SIZ mm 8 TO 68V N(DC) RATING T A = - o C TO 8 o C V68ZA3() 70 V6ZA3() 60 V47ZA3() V39ZA3() 40 V33ZA() V7ZA() 30 VZA() V8ZA() 0 VZA() V8ZA() Figure 8 Figure 9 4,000 3,000,000, MODL SIZ mm 8 TO 80V N(DC) RATING T A = - o C TO 8 o C V80ZA() VZA4() V0ZA4() V0ZA4() V8ZA4() Maximum Clamping Voltage for 4mm arts V8ZA3() - V68ZA() V8ZA() - V80ZA() 600 MODL SIZ 4mm 8 TO 68V N(DC) RATING T A = - o C TO 8 o C 4,000 3,000,000 MODL SIZ 4mm 8 TO 80V N(DC) RATING T A = - o C TO 8 o C V68ZA() 70 V6ZA8() 60 V47ZA7() V39ZA6() 40 V33ZA() V7ZA4() 30 VZA3() V8ZA3() Figure Figure, V80ZA() VZA8() V0ZA6() V0ZA() V8ZA() Littelfuse, Inc. 37 Revision: March 8, 0

6 Maximum Clamping Voltage for 0mm arts V8ZA40() - V36ZA80() V39ZA0() - V80ZA0() MODL SIZ 0mm 8 TO 36V N(DC) RATING T A = - o C TO 8 o C V36ZA80() V33ZA70() V7ZA60() V4ZA() V8ZA40(), MODL SIZ 0mm 39 TO 80V M(AC) RATING T A = - o C TO 8 o V80ZA0() C VZA0() V0ZA0() V68ZA0() V6ZA0() V47ZA0() V39ZA0() Figure Figure Repetitive Surge Capability for mm arts V8ZA0() VZA0() - V68ZA0() MODL SIZ mm V8ZA0() MODL SIZ mm VZA0() - V68ZA0() ,000, ,000,000 Figure 3 Figure 4 V8ZA0() - V7ZA0() MODL SIZ mm V8ZA0() - V7ZA0() 6 Figure ,000, Revision: March 8, 0 0 Littelfuse, Inc.

7 Repetitive Surge Capability for 7mm arts V8ZA() - VZA() Repetitive Surge Capability for mm arts V8ZA() - V7ZA() MODL SIZ 7mm V8ZA() - VZA() MODL SIZ mm V8ZA() - VZA() ,000,000 Figure Figure ,000,000 V8ZA() - V68ZA() V8ZA() - V68ZA3() MODL SIZ 7mm V8ZA() - V68ZA(), MODL SIZ mm V8ZA() - V68ZA3() ,000,000 Figure 6 Figure 9 0 0,000,000 V8ZA() - V80ZA() V8ZA4() - V80ZA(),000, MODL SIZ 7mm V8ZA() - V80ZA(),000,000, MODL SIZ mm V8ZA4() - V80ZA() 0 0,000,000 Figure 7 Figure 0 0 0,000,000 0 Littelfuse, Inc. 39 Revision: March 8, 0

8 Repetitive Surge Capability for 4mm arts V8ZA3() - V68ZA() V8ZA() - V80ZA(), MODL SIZ 4mm 4 V8ZA3() - V68ZA() 6,000, , MODL SIZ 4mm V8ZA() - V80ZA() 0 0,000,000 Figure Figure 0 0,000,000 Repetitive Surge Capability for 0mm arts V8ZA40() - V68ZA0() V0ZA0() - V80ZA0(),000, MODL SIZ 0mm V8ZA40() - V68ZA0() 0 0,000,000,000,000 Figure 3 Figure 4 6,000, ,000 MODL SIZ 0mm V0ZA0() - V80ZA0(),000 NOT: If pulse ratings are exceeded, a shift of V N(DC) (at specified current) of more then +/-% could result. This type of shift, which normally results in a decrease of V N(DC), may result in the device not meeting the original published specifications, but does not prevent the device from continuing to function, and to provide ample protection. 40 Revision: March 8, 0 0 Littelfuse, Inc.

9 Wave Solder rofile Non Lead free rofile Lead free rofile Maximum Wave 40C Maximum Wave 60C TMRATUR (ºC) 00 0 TMRATUR (ºC) Figure TIM(MINUTS) Figure 6 TIM(MINUTS) hysical Specifications nvironmental Specifications Lead Material Soldering Characteristics Tin Coated Copper Wire Solderability per MIL STD 0, Method 08 Operating Ambient Temperature Range Storage Temperature Range - C to +8 C - C to + C Insulating Material Device Labeling Cured, flame retardant epoxy polymer meets UL94V 0 requirements Marked with LF, voltage, UL/CSA logos, and date code Humidity Aging Thermal Shock +8 C, 8% RH,00 hours +/-% typical voltage change +8 C to -40 C times +/-% typical voltage change Solvent Resistance MIL STD 0, Method F Moisture Sensitivity Level, J STD 00C Varistors for Hi-Temperature Operating Conditions: henolic coated devices are available with improved maximum operating temperature of C These devices also have improved temperature cycling performance capability Ratings and specifications are as per standard except Hi ot ncapsulation (Isolation Voltage Capability) = V To order: add 'X347' to part number (e.g. VZA3X347) These devices are not UL, CSA, VD or CCC certified Contact factory for further details 0 Littelfuse, Inc. 4 Revision: March 8, 0

10 roduct Dimensions (mm) To order this crimped and trimmed lead style, standard radial type model numbers are changed by replacing the model letter "ZA" with "ZC." This option is supplied in bulk only. xample: V RMS Voltage Model Min. mm Size 7mm Size mm Size 4mm Size 0mm Size Max. Min. Max. Min. Max. Min. Max. Min. Max. A All - (0.394) - (0.47) - 6 (0.630) - 0 (0.787) - 6. (.043) ØD All - 7 (0.76) - 9 (0.34) -. (0.49) - 7 (0.669) - 3 (0.906) e (see notes below) e Øb Standard Model All 4 (0.7) 6 (0.36) 4 (0.7) 6 (0.36) 6. (0.6) 8. (0.33) 6. (0.6) 8. (0.33) Dimension V8ZA- V6ZA V68ZA- V0ZA V0ZA- V80ZA V0ZA- V7ZA V8ZA- V6ZA V68ZA- V0ZA V0ZA- V80ZA V0ZA- V7ZA All 6. (0.6) (note below) 8. (0.33) (note below) (0.039) 3 (0.8) (0.039) 3 (0.8) (0.039) 3 (0.8) (0.039) 3 (0.8) (0.039) 3 (0.8). (0.09) 3. (0.38). (0.09) 3. (0.38). (0.09) 3. (0.38). (0.09) 3. (0.38). (0.09) 3. (0.38) (0.039) 3 (0.8) (0.039) 3 (0.8) (0.039) 3 (0.8) (0.038) 3 (0.8) (0.038) 3 (0.8). (0.09) 3. (0.38) (0.97) - (0.97) - (0.97) - (0.97) - (0.97) -.6 (0.0) -.6 (0.0) -.6 (0.0) -.6 (0.0) -.6 (0.0) - (0.97) - (0.97) - (0.97) - (0.97) - (0.97) (0.03) A All - CRIMD AND TRIMMD LAD Radial lead types can be supplied with combination preformed crimp and trimmed leads. This option is supplied to the dimensions shown. *Seating plane interpretation per IC-77.6 (0.0) 0.68 (0.07) 3.0 (0.) Order As V8ZA3 V8ZC3 For crimped leads without trimming and any varitions to the above, contact Littelfuse (0.03) 0.68 (0.07) 0.76 (0.030) 0.86 (0.034) 0.76 (0.030) - (0.9) - 9. (0.768) (0.034). (0.886) 0.76 (0.030) (0.034) 9.0 (.4) L TRIM All.4 (0.09) 4.69 (0.8).4 (0.09) 4.69 (0.8).4 (0.09) 4.69 (0.8).4 (0.09) 4.69 (0.8) NOTS: Dimensions in millimeters, inches in parentheses.. For 0mm size devices, a mm "e" dimension option is also available. lease refer to "Ordering Notes" section "X" option code for additional information.. V4ZA() and V4ZC() only supplied with lead spacing of 6.3mm -/+0.mm (0. -/+0.096) Dimension e =.8 min. Does not apply to Tape and Reel parts..4 (0.09) 4.69 (0.8) 4 Revision: March 8, 0 0 Littelfuse, Inc.

11 Tape and Reel Specifications and 7mm Devices, 4 and 0mm Devices CRIMD LADS "ZT" CRIMD LADS "ZT" H SATING LAN C H SATING LAN C H0 Db W0 W W H0 Db W0 W W W W DD0 0 F t DD0 F t STRAIGHT LADS "ZS" STRAIGHT LADS "ZS" H H H Db W0 W W H Db W0 W W W W DD0 DD0 F t 0 F t 0 UNDR CRIMD LADS "ZU" UNDR CRIMD LADS "ZU" H U H U Ho Db W0 W W Ho Db W0 W W W W DD0 DD0 0 F t 0 F t 0 Littelfuse, Inc. 43 Revision: March 8, 0

12 Tape and Reel Specifications Conforms to ANSI and IA specifications Can be supplied to IC ublication 86- Radial devices on tape are supplied with crimped leads, straight leads, or under-crimped leads mm parts are available on tape and reel up to 38 VAC only NOT: Leads are offset by Dim e SYMBOL DSCRITION MODL SIZ mm 7mm mm 4mm 0mm itch of Component.7 +/ / / / /-.0 0 Feed Hole itch.7 +/ / / / /- 0. Feed Hole Center to itch 3.8 +/ / / / /- 0.7 Hole Center to Component Center 6.3 +/ / / / /- 0.7 F Lead to Lead Distance.0 +/ / / / /-.0 h Component Alignment.0 Max.0 Max.0 Max.0 Max.0 Max W Tape Width / / / / / -0. W 0 Hold Down Tape Width.0 +/ / / / /- 0.3 W Hole osition / / / / / -0. W Hold Down Tape osition 0. Max 0. Max 0. Max 0. Max 0. Max H Height from Tape Center to Component Base / / / / / -0.0 H 0 Seating lane Height 6.0 +/ / / / /- 0. H Component Height 9.0 Max 3.0 Max 36.0 Max 40.0 Max 46. Max D 0 Feed Hole Diameter 4.0 +/ / / / /- 0. t Total Tape Thickness 0.7 +/ / / / /- 0. U Undercrimp Width 8.0 Max 8.0 Max 8.0 Max 8.0 Max 8.0 Max p Component Alignment 3 Max 3º Max 3 Max 3 Max 3 Max 44 Revision: March 8, 0 0 Littelfuse, Inc.

13 art Numbering System BAS ART CODS (See Ratings & Specifications tables and notes below) OTION CODS (See notes below) V XXX ZA XX XXXXX For VARISTOR NOMINAL VOLTAG (V NOM ) (One, Two or Three Digits) SRIS + ACKAGING / LAD STYL DSIGNATOR (See BAS ART CODS notes below) ZA = Bulk ack / Straight Leads (standard) ZC = Bulk ack / Crimped and Trimmed Leads ZS = Tape and Reel / Straight Leads ZT = Tape and Reel / Crimped Leads ZU = Tape and Reel / Under-Crimped Leads RLATIV NRGY INDICATOR (One or Two Digits) See OTIONS CODS notes below : LAD-FR AND RoHS COMLIANT OTION For standard parts, use the BAS ART designator only. For parts with non-standard options (such as additional form, packaging and lead space options), use BAS ART + OTION COD. OTION COD items are subject to availability and minimum order requirements. lease contact a Littelfuse products representative for additional information or questions Ordering Notes: BAS ART CODS: OTION CODS: Series + ackaging / Lead Style Designators: Ordering examples: Straight Lead Bulk ack (standard) Straight Lead Tape & Reel Crimped Lead Tape & Reel Crimped & Trimmed Lead Bulk ack Under- Crimp Lead Tape & Reel V8ZA3 V8ZS3 V8ZT3 V8ZC3 V8ZU3 Crimped lead varistors are supplied standard in tape and reel, denoted with "ZT." "ZC" style is supplied in bulk only. "ZU" style is supplied in tape and reel only. X: MM LAD SACING OTION -- For -/+ mm (0.394-/ in) lead spacing (available on 0mm diameter models only), append standard model BAS ART number with "X." xample: Standard Model V8ZA40 Order As V8ZA40X X8: Nickel Barrier COATD WIR OTION -- All standard parts use Tin Coated Copper wire. Nickel Barrier Coated wire is available as an option, consisting of Copper wire with a flashing of Nickel followed by a top coating of Tin. To order append standard model BAS ART number with "X8." xample: For crimped leads without trimming and any varitions other than that described above, please contact Littelfuse. Standard Model V8ZA40 Order As V8ZA40X8 Lead free / RoHS Designator: For Lead free and RoHS compliant parts add "" after the BAS ART number and before any other OTION COD: Standard Model V8ZA40 Standard Model with Option V8ZA40X Order As V8ZA40 Order As V8ZA40X TA & RL QUANTITIS: Littelfuse varistors are shipped standard in bulk pack with straight leads and lead spacing outlined in the ackage Dimensions section of this data sheet. Contact your Littelfuse sales representative to discuss non-standard options. Device Size Voltage Quantity er Reel "S" Reel "T" Reel "U" Reel mm All mm All mm All 4mm < V 0mm < V 0 Littelfuse, Inc. 4 Revision: March 8, 0