2RK145M-4
Gas Discharge Tube (GDT)The 2RK145M-4 is a gas discharge tube (gdt) from YAGEO. View the full 2RK145M-4 datasheet below including key specifications, electrical characteristics.
2RK145M-4 shares its datasheet with 2RK090M-4, whose page lists every part number it covers.
Official 2RK145M-4 datasheet (PDF) — the source this page was extracted from.
2RK145M-4 Key Specifications
| Parameter | Value |
|---|---|
| Fail Short | No |
| Impulse Discharge Current (8/20µs) | 3000A (3kA) |
| Mounting Type | Surface Mount |
| Number of Poles | 2 |
| Package / Case | 2-SMD Cylinder Square End |
| Packaging | MouseReel |
| Standard Pack Qty | 900 |
| Tolerance | ±20% |
| Voltage - DC Spark Over (Nom) | 90 V |
2RK145M-4 Overview
Part: YAGEO 2R-4 series
Type: Gas Discharge Tube (GDT)
Description: Gas Discharge Tube (GDT) series providing ultra-fast response to surge voltages, stable breakdown voltage, high insulation resistance, low capacitance (≤ 1pF), and large absorbing transient current capability.
Operating Conditions:
- Operating temperature: -40 to +85 °C
Absolute Maximum Ratings:
- Max impulse discharge current (8/20 μs, 10 times): 3 KA
- Max alternating discharge current (50Hz, 1sec): 3 A
- Max storage and operating temperature: +85 °C
Key Specs:
- DC Spark-over Voltage (100V/s): 75V to 3600V (±20%)
- Maximum Impulse Spark-over Voltage (1000V/μs): 700V to 4800V
- Nominal Impulse Discharge Current (8/20 μs, 10 times): 3 KA
- Alternating Discharge Current (50Hz, 1sec): 3 A
- Impulse Life (10/1000 μs 100A or 8/20 μs 100A): 300 times
- Minimum Insulation Resistance: 1 GΩ (at various DC test voltages)
- Maximum Capacitance (1MHz): 1.0 pF
Features:
- Provide ultra-fast response to surge voltage from slow-rising surge of 100V/s to rapid-rising surge of 1KV/μs
- Stable breakdown voltage
- High insulation resistance
- Low capacitance (≤ 1pF)
- High holdover voltage
- Large absorbing transient current capability
- Micro-Gap Design
- Meets MSL level 1, per J-STD-020
- Safety certification: UL
Applications:
- Repeaters, Modems
- Telephone Interface, Line cards
- Data communication equipment
- Line test equipment
Package:
- 4.2mm*4.0mm
- 4.0mm*5.6mm
2RK145M-4 Features
- ■ Provide ultra-fast response to surge voltage from slow-rising surge of 100V/s to rapid-rising surge of 1KV/ μ s
- ■ Stable breakdown voltage
- ■ High insulation resistance
- ■ Low capacitance ( ≤ 1pF)
- ■ High holdover voltage
- ■ Large absorbing transient current capability
- ■ Micro-Gap Design
- ■ Size: 4.2mm*4.0mm
- ■ Storage and operating temperature: -40 °C ~ +85 °C
- ■ Meets MSL level 1, per J-STD-020
- ■ Safety certification: UL
2RK145M-4 Applications
- ■ Repeaters, Modems
- ■ Telephone Interface, Line cards
- ■ Data communication equipment
- ■ Line test equipment
2RK145M-4 Electrical Characteristics
| Part Number | DC Spark-over Voltage | Maximum Impulse Spark-over Voltage | Nominal Impulse Discharge Current | Alternating Discharge Current | Impulse Life | Minimum Insulation Resistance | Minimum Insulation Resistance | Maximum Capacitance | Device Marking Code |
|---|---|---|---|---|---|---|---|---|---|
| Part Number | 100V/s | 1000V/ μ s | 8/20 μ s 10times | 50Hz,1sec | 10/1000 μ s 100A | Test Voltage | (G Ω ) | 1MHz | Device Marking Code |
| Part Number | (V) | (V) | (KA) | (A) | (times) | DC(V) | (G Ω ) | (pF) | |
| 2RK075M-4 | 75±20% | 800 | 3 | 3 | 300 | 25 | 1 | 1.0 | 075 |
| 2RK090M-4 | 90±20% | 800 | 3 | 3 | 300 | 50 | 1 | 1.0 | 090 |
| 2RK145M-4 | 145±20% | 800 | 3 | 3 | 300 | 100 | 1 | 1.0 | 145 |
| 2RK230M-4 | 230±20% | 700 | 3 | 3 | 300 | 100 | 1 | 1.0 | 230 |
| 2RK250M-4 | 250±20% | 700 | 3 | 3 | 300 | 100 | 1 | 1.0 | 250 |
| 2RK300M-4 | 300±20% | 800 | 3 | 3 | 300 | 100 | 1 | 1.0 | 300 |
| 2RK350M-4 | 350±20% | 850 | 3 | 3 | 300 | 100 | 1 | 1.0 | 350 |
| 2RK400M-4 | 400±20% | 900 | 3 | 3 | 300 | 100 | 1 | 1.0 | 400 |
| 2RK470M-4 | 470±20% | 1000 | 3 | 3 | 300 | 250 | 1 | 1.0 | 470 |
| 2RK600M-4 | 600±20% | 1200 | 3 | 3 | 300 | 250 | 1 | 1.0 | 600 |
| 2RK800M-4 | 800±20% | 1400 | 3 | 3 | 300 | 250 | 1 | 1.0 | 800 |
| 2RK1000M-4 | 1000±20% | 1600 | 3 | 3 | 300 | 500 | 1 | 1.0 | 1000 |
| 2RK1200M-4 | 1200±20% | 1900 | 3 | 3 | 300 | 500 | 1 | 1.0 | 1200 |
Note: Size 4.2x4.0mm series
2R-4 series
7
| Symbol | Dimension (mm) | Dimension (mm) |
|---|---|---|
| Symbol | Spec. | Tolerance |
| D | 4.2 | ±0.3 |
| T | 4.0 | ±0.3 |
| B | 0.4 | ±0.2 |
| d | 3.9 | ±0.2 |
| Symbol | Dimension (mm) | Dimension (mm) |
|---|---|---|
| Symbol | Spec. | Tolerance |
| D | 4.0 | ±0.3 |
| T | 5.6 | ±0.3 |
| B | 0.5 | ±0.2 |
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| 2R-4 | YAGEO | — |
| 2RK075M-4 | YAGEO | 4.2x4.0mm |
| 2RK090M-4 | YAGEO | 2-SMD Cylinder Square End |
| 2RK1000M-4 | YAGEO | SMD 4.2x4.0mm |
| 2RK1200M-4 | YAGEO | 4.2x4.0mm |
| 2RK1400M-4 | YAGEO | 4.0x5.6mm |
| 2RK1600M-4 | YAGEO | SMD 4.0x5.6mm |
| 2RK2000M-4 | YAGEO | — |
| 2RK230M-4 | YAGEO | SMD 4.2x4.0mm |
| 2RK2500M-4 | YAGEO | SMD 4.0x5.6mm |
| 2RK250M-4 | YAGEO | SMD 4.2x4.0mm |
| 2RK3000M-4 | YAGEO | SMD 4.0x5.6mm |
| 2RK300M-4 | YAGEO | SMD 4.2x4.0mm |
| 2RK350M-4 | YAGEO | SMD 4.2x4.0mm |
| 2RK3600M-4 | YAGEO | SMD 4.0x5.6mm |
| 2RK400M-4 | YAGEO | SMD 4.2x4.0mm |
| 2RK470M-4 | YAGEO | SMD 4.2x4.0mm |
| 2RK600M-4 | YAGEO | SMD 4.2x4.0mm |
| 2RK800M-4 | YAGEO | 4.2x4.0mm |
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