| Guangdong Uchi Electronics Co.,Ltd | |
| SPECIFICATION FOR APPROVAL |
| Rev1.0 | SPECIFICATION | NO. |
PART
NO. | UCHI-32D751K+Teflonwire | PAGE 1 OF 4 |
| DATE: 2022 12 8 |
| | | | | | | | |
| 1.OUTLINE |
| 1.1 | APPEARANCE | WITHOUT ANY CRACK, MARKING SHOULD BE CLEAR |
| 1.2 | DIMENSIONS | DIMENSIONS (mm) |
 | D (max) | 36 |
| H (max) | 40 |
| K (max) | 4.0 |
| T (max) | 9.4 |
| d (±0. 1) | 1.3 |
| d1(±0.1) | 1.0 |
| F (±1.5) | 20 |
| L(min) | 35 |
| Epoxy Colour: Blue |
| |
| 2.ELETRICAL PARAMETER |
| 2.1 | MAX ALLOWABLE VOLTAGE | AC: 460(V) | At 1mA DC |
| DC: 615(V) |
| 2.2 | VARISTOR VOLTAGE | 675-825(V) | V0. 1mA □ V1mA ■ |
| 2.3 | RATED WATTAGE | 1.2(W) | |
| 2.4 | MAX CLAMPING VOLTAGE | IP: 200(A) | Test Current Waveform
8/20 μs |
| Vc: 1240(V) |
| 2.5 | WITHSTANDING SURGE
CURRENT | 1Time 25000A | Test Current Waveform
8/20 μs |
| 2time 2000A |
| 2.6 | MAX ENERGY | 620(J) | Test Current Waveform
10/1000 μs |
| 2.7 | TYPICAL CAPACITANCE | 2000(pf) | @1KHz |
| 2.8 | LEAKAGE CURRENT | ≦30 (μA) | At 80% of Varistor Voltage |
| 2.9 | NONLINEAR EXPONENT (α) | ≧20 |   α=log log |
| 2.10 | TEMPERATURE COEFFICENT
OF VARISTOR VOLTAGE | ≦ ±0.05%/C
max | Vc85C-Vc25C 1
Vcat25C × 60 × 100(％C) |
| 2.11 | IMPULSE LIFE | ≦±10%(V1mA) | Test Current Waveform 8/20 μs |
Guangdong Uchi Electronics Co.,Ltd
SPECIFICATION FOR
APPROVAL |
| Rev1.0 | SPECIFICATION | NO. |
PART
NO. | UCHI-32D751K(Teflonwire) | PAGE :2 OF 4 |
| DATE:2022 . 12 . 8 |
| | | | | | | | |
| 3.PACKING |
| 3.1 | Quantity | 100PCS |
| 3.2 | Packing Dimension |    LP | LP | 240max |
| HP | 60 max |
| WP | 180max |
| Unit:mm |
| 4.MATERIAL LIST |
| 4.1 | Drawing |  | T e f l o n w i r e |
| 4.2 | Material Chart RoHs | Item | Composition | Manufacturer |
| Coating | Epoxy Resin | Made in China, and in line with the UL 94-V0
testing, meet the environmental requirements |
| Lead | Cp wire | Made in China, meet the environmental
requirements |
| Electrode | Silver | Made in China, meet the environmental
requirements |
| Disk | Zinc Oxide | Zip Over LLC |
| Solder | Sn:96.5%CU
0.5%Ag3.0% | Made in China, meet the environmental
requirements |
| 5. MARKING CODE |
 |
Guangdong Uchi Electronics Co.,Ltd
SPECIFICATION FOR APPROVAL |
| Rev1.0 | SPECIFICATION | NO. |
PART
NO. | UCHI-32D751K(Teflonwire | PAGE :3 OF 4 |
| DATE :2022 . 12 . 8 |
| UL | | CUL | | VDE | | CQC | |
| 6.MECHENICAL REQUIREMENTS |
| 6.1 | Tensile of Terminations | No Outstanding
Damage | 1.0Kgf; 10Sec. |
| 6.2 | Bending of Terminations | No Outstanding
Damage | 0.5Kgf；90°,3 Times |
| 6.3 | Vibration | No Outstanding
Damage | Freq:10-55hz;Amp:0.75mm,1Min
. |
| 6.4 | Solderability | Min. 95% of The
Terminal Should Be
Covered With
Solder Uniformly | Solder Temp:265±5C
Immersed Time: ≤5Sec. |
| 6.5 | Resistance of soldering heat | △ V1mA/V1mA
≦±5% | Solder Temp: 265±5C
Immersed Time: 10±1Sec. |
| 7.ENVIRONMENTAL REQUIREMENTS |
| 7.1 | High Temperature Storage | △V1mA/V1mA
≦±5% | Ambient Temp: 125±2C
Duration:1000h |
| 7.2 | Low Temperature Storage | △V1mA/V1mA
≦±5% | Ambient Temp: -40±2C
Duration:1000h |
| 7.3 | High Humidity Storage/Damp
Heat | △V1mA/V1mA
≦±5% | Ambient Temp: 40±2C 90-95%
R.H. Duration:1000h |
| 7.4 | Temperature Cycle | △V1mA/V1mA
≦±5% | Step | Temperature
(C) | Period
(min) |
| 1 | -40±3 | 30 ±3 |
| 2 | Room Temp | 15 ±3 |
| 3 | 125±3 | 30 ±3 |
| 4 | Room Temp | 15 ±3 |
| 7.5 | High Temperature Load | △V1mA/V1mA
≦±10% | Ambient temp:85±2C
Duration:1000h Load: MAX.
Allowable Voltage |
| 7.6 | High Humidity Load | △V1mA/V1mA
≦±10% | Ambient Temp: 40±2C
90-95%R.H.Duration:1000H
Load: MAX. Allowable Voltage |
| 7.7 | Operating Temperature Range | -40C ~ +85C | -40C ~ +85C |
| 7.8 | Storage Temperature Range | -40C ~ +125C | -40C ~ +125C |
Guangdong Uchi Electronics Co.,Ltd
SPECIFICATION FOR APPROVAL |
| Rev1.0 | SPECIFICATION | NO. |
PART
NO. | UCHI-32D751K Teflonwire | PAGE :4 OF 4 |
| DATE :2022 . 12 . 8 |
| | | | | | | | |
| Soldering Recommendation |
Wave  Lead Free Soldering Recommendation | |
 Recommendation Reworking Conditions with Soldering Iron |
