# TVS Diode, Common Cathode, CDNBS08, Unidirectional, 58 V, 100 V, SOIC, 8 Pins
**URL**: https://novapart.co/products/CDNBS08-T58CC/tvs-diode-common-cathode-cdnbs08-unidirectional-58
**SKU**: CDNBS08-T58CC
**Manufacturer**: BOURNS
**Category**: Circuit Protection || TVS - Transient Voltage Suppressors || TVS Diodes
**Price**: €0.3180
**Stock**: 10+
**Lead Time**: 106 days (indicative)
## Description
Product Range:CDNBS08 Series; TVS Polarity:Unidirectional; Reverse Stand-Off Voltage Vrwm:58V; Clamping Voltage Vc Max:100V; Diode Case Style:SOIC; No. of Pins:8Pins; Breakdown Voltag
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| No. Of Pins | 8Pins |
| Tvs Polarity | Unidirectional |
| Product Range | CDNBS08 |
| Qualification | - |
| Diode Mounting | Surface Mount |
| Diode Case Style | SOIC |
| Clamping Voltage Max | 100V |
| Reverse Standoff Voltage | 58V |
| Maximum Breakdown Voltage | 71.2V |
| Minimum Breakdown Voltage | 64.4V |
| Operating Temperature Max | 150°C |
| Peak Pulse Power Dissipation | 2.7kW |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:2535731RL/)
■ PoE power protection
## **Features**
## **Applications**
■ Protects four lines
■ Unidirectional
■ DC power supply protection
■ 24 A peak surge current
■ RoHS compliant*
## **CDNBS08-T58CC - Common Cathode TVS Diode**
## **General Information**
The Model CDNBS08-T58CC is designed to protect the power section in Power over Ethernet (PoE) applications. The device is packaged in an eight lead narrow body SOIC package. Bourns[®] Chip Diodes are available in surface mount packages and are easy to handle using standard pick and place equipment.
In addition to surge protection, the device provides Level 4 ESD protection per IEC 61000-4-2.
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## **Maximum Ratings (@ TA = 25 °C Unless Otherwise Noted)**
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**Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted)**
~~ee~~ **Parameter Symbol Test Condition Min. Typ. Max. Unit** ~~a~~ Breakdown Voltage @ 1 mA VBR IBR = 1 mA 64.4 68 71.2 V VBR Temperature Coefficient VBR IBR = 1 mA 0.1 %°/C ~~I~~ TA = 25 °C 200 nA ~~a~~ Leakage Current IR VR = VWM ~~ee~~ TA = 85 °C 1 μA Capaticance C VR = -44 V, f = 1 MH,z 30 mV rms 55 pF ~~a ee ee ee~~ Calmnipg Vtloage VC IPP = 24 A (8/20 μs) 100 V ~~a~~ Forward Vtloage VF IF = 1 A, TW = 100 μs 1 V ~~se fe~~ **Device Pinout Pin Function 1** ANODE 1 **2** GND **3** GND **4** ANODE 2 **5** ANODE 3 **6** GND **Asia-Pacific:** Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 **EMEA:** Tel: +36 88 885 877 • Fax: +36 88 520 211 **7** GND **The Americas:** Tel: +1-951 781-5500 • Fax: +1-951 781-5700 **8** ANODE 4 ~~=~~ —_ **www.bourns.com** *RoHS Directive 2015/863, Mar 31, 2015 and Annex.
Specifications are subject to change without notice. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
**WARNING Cancer and Reproductive Harm** www.P65Warnings.ca.gov
## **CDNBS08-T58CC - Common Cathode TVS Diode**
## ~~**Typical Leakage vs. Junction Temperature**~~
**==> picture [236 x 161] intentionally omitted <==**
**----- Start of picture text -----**
1000
100
10
1
0.1
VR = 58 V
0.01
0 50 75 100 125 150
Junction Temperature (°C)
(nA)
IR
**----- End of picture text -----**
## ~~**Typical Capacitance vs. Reverse Voltage**~~
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**----- Start of picture text -----**
100
f = 1 MHz
VOSC = 30 mV rms
10
44 46 48 50 52 54 56 58
VR (V)
Capacitance (pF)
**----- End of picture text -----**
## ~~**Typical Clamping Voltage vs. Current**~~
## ~~**Typical Forward Voltage vs. Forward Current**~~
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**----- Start of picture text -----**
100
10
1
8/20 µs Waveform
0.1
60 70 80 90
VC Clamping Voltage (V)
Current (A)
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**==> picture [232 x 163] intentionally omitted <==**
**----- Start of picture text -----**
100
10
1
8/20 µs Waveform
0.1
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
VF Forward Voltage (V)
Forward Current (A)
IF
**----- End of picture text -----**
Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
## **CDNBS08-T58CC - Common Cathode TVS Diode**
## ~~**Product Dimensions**~~
This is an RoHS compliant molded JEDEC narrow body SO-8 package with 100 % Sn plating on the lead frame. It weighs approximately 15 mg and has a flammability rating of UL 94V-0.
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**----- Start of picture text -----**
A
B
C
DIMENSIONS = MILLIMETERS
(INCHES)
D
J
7 ° NOM.
3 PLCS. 45 ° G
E NOM.
4 °
± 4 °
F I H
K
7 ° NOM.
L 4 PLCS.
**----- End of picture text -----**
**Dimensions** 4.80 - 5.00 A (0.189 - 0.197) 3.81 - 4.00 B (0.150 - 0.157) 5.80 - 6.20 C (0.228 ± 0.244) 0.36 - 0.51 D (0.014 - 0.020) 1.35 - 1.75 E (0.053 - 0.069) 0.102 - 0.203 F (0.004 - 0.008) 0.25 - 0.50 G (0.010 - 0.020) 0.51 - 1.12 H (0.020 - 0.044) 0.190 - 0.229 I (0.0075 - 0.0090) 4.60 - 5.21 J (0.181 - 0.205) 0.28 - 0.79 K (0.011 - 0.031) 1.27 L (0.050)
## ~~**Recommended Footprint**~~
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A B
D C
E
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**Dimensions** 1.27 A (0.050) 0.51 B (0.020) 6.80 C (0.268) 4.20 D (0.165) 1.30 E (0.051)
## ~~**Typical Part Marking**~~
CDNBS08-T58CC ............................................................... 4T58CC
## ~~**How to Order**~~
## **CD NBS08 - T 58 CC**
Common Code Chip Diode Package NBS08 = Narrow Body SOIC8 Package Model T = Transient Voltage Suppressor Working Peak Reverse Voltage 58 = 58 VDC Suffix CC = Common Cathode Configuration
Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf.
## **CDNBS08-T58CC - Common Cathode TVS Diode**
## ~~**Packaging Information**~~
The product is packaged in tape and reel format per EIA-481 standard.
**==> picture [496 x 175] intentionally omitted <==**
**----- Start of picture text -----**
P0 PART
ORIENTATION
d P1 E T
Index Hole
i a N n
120 °
F D2
W
B Qo OT PIN 1 S i D1 D |
P A C
Treliar Decive Leadre
| Lt | Ou ; |
....... ....... ....... ....... : 4+ W1
End ....... ....... ....... ....... Start MM
DIMENSIONS:
(INCHES)
10 pitches (min.) 10 pitches (min.)
Le _
**----- End of picture text -----**
Direction of Feed
**tIem Symbol NSOIC 8L** ~~fC~~ 6.7 ± 0.10 Carrier Width A (0.264 ± 0.004) 5.5 ± 0.10 Carrier Length B ~~=ee~~ (0.217 ± 0.004) 2.10 ± 0.10 Carrier Depth C (0.083 ± 0.004) ~~ee ee~~ 1.55 ± 0.05 Sprocket Hole d (0.061 ± 0.002) ~~ee ee~~ 330 Reel Outside Diameter D (12.992) ~~ee ee~~ 80.0 Reel Inner Diameter D1 ~~eeee~~ (3.1500)[MIN.] 13.0 ± 0.20 Feed Hole Diameter D2 ~~ee~~ (0.512 ± 0.008) 1.75 ± 0.10 Sprocket Hole Position E (0.069 ± 0.004) ~~ee ee~~ 3.50 ± 0.05 Punch Hole Position F (0.138 ± 0.002) ~~ee ee~~ 8.00 ± 0.10 Punch Hole Pitch P (0.315 ± 0.004) ~~ee ee~~ 4.00 ± 0.10 Sprocket Hole Pitch P0 (0.157 ± 0.004) ~~ee ee~~ 2.00 ± 0.05 Embossment Center P1 ~~|~~ (0.079 ± 0.002) 0.20 ± 0.10 Overall Tape Thickness T (0.008 ± 0.004) ~~ee eee~~ 12.00 ± 0.20 Tape Width W ~~reee ee~~ (0.472 ± 0.008) ~~e~~ 18.4 Reel Width W1 ~~eeee~~ (0.724) ~~ee~~[MAX.] ~~ee~~ Quantity per Reel ~~es~~ -- 2500
08/19 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
®
## **Legal Disclaimer Notice**
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Unless otherwise expressly indicated in writing, Bourns[®] products and data sheets relating thereto are subject to change
and complete before placing orders for Bourns[®] products.
The characteristics and parameters of a Bourns[®] product set forth in its data sheet are based on laboratory conditions, and statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical requirements in generic applications. The characteristics and parameters of a Bourns[®] product in a user application may
® product with other components ®
the actual performance of the Bourns[®]
® product as meeting the requirements of a particular industry
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## Links
- [View this product on Novapart](https://novapart.co/products/CDNBS08-T58CC/tvs-diode-common-cathode-cdnbs08-unidirectional-58)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/bourns/cdnbs08-t58cc/tvs-diode-2-7kw-58v-unidir-soic/dp/2535731RL)
---
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